Publications

2020-2016 · 2015-2011 · 2010-2006 · 2005-2001 · 2000-1991 · 1990-1979

2020-2016

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S. Yu, S. Schmohl, Z. Liu, M. Hoffmeyer, N. Schön, F. Hausen, H. Tempel, H. Kungl, H.-D. Wiemhöfer, R.-A. Eichel, Insights into a layered hybrid solid electrolyte and its application in long lifespan high-voltage all-solid-state lithium batteries, Journal of Materials Chemistry A, 7 (2019), 8, 3882-3894, DOI
A. Buchheit, B. Teßmer, K. Ran, J. Mayer, H.-D. Wiemhöfer, K. Neuhaus, The Impact of Fe Addition on the Electronic Conductivity of Gadolinium Doped Ceria, ECS Journal of Solid State Science and Technology, 8 (2019) 1, 41-50, DOI
A. Pelz, T. S. Dörr, P. Zhang, P. W. de Oliveira, M. Winter, H.-D. Wiemhöfer, T. Kraus, Self-Assembled Block Copolymer Electrolytes: Enabling Superior Ambient Cationic Conductivity and Electrochemical Stability, Chemistry of Materials, 31 (2019) 1, 277-285, DOI
U. Guth, H.-D. Wiemhöfer, in Gas Sensors Based on Conducting Metal Oxides (Eds.: N. Barsan, K. Schierbaum), Elsevier, 2019, 13-60, DOI
S. Schmohl, X. He, H.-D. Wiemhöfer, Boron Trifluoride Anionic Side Groups in Polyphosphazene Based Polymer Electrolyte with Enhanced Interfacial Stability in Lithium Batteries, 10 (2018) 12, 1350, DOI
X. He, S. Schmohl, H.-D. Wiemhöfer, Direct Observation and Suppression Effect of Lithium Dendrite Growth for Polyphosphazene Based Polymer Electrolytes in Lithium Metal Cells, 6 (2018) 1-12, DOI
M. Grünebaum, A. Buchheit, D. Krause, M. M. Hiller, C. Schmidt, M. Winter, H.-D. Wiemhöfer, Development of new pyrazole-based lithium salts for battery applications - Do established basic design concepts really work?, Electrochimica Acta, 286 (2018), 313-323, DOI
K. Neuhaus, R. Dolle, H.-D. Wiemhöfer, Assessment of the Effect of Transition Metal Oxide Addition on the Conductivity of Commercial Gd-Doped Ceria, Journal of the Electrochemical Society, 165 (2018), 7, F533 - F542, DOI
T. S. Dörr, A. Pelz, P. Zhang, T. Kraus, M. Winter, H.-D. Wiemhöfer, An Ambient Temperature Electrolyte with Superior Lihtium Ion Conductivity based on a Self-Assembled Block Copolymer, Chemistry - a European Journal, (2018), DOI
K. Neuhaus, S. Baumann, R. Dolle, H.-D. Wiemhöfer, Effect of MnO₂ Concentration on the Conductivity of Ce_0.9Gd_0.1Mn_xO_2-δ, Crystals, 8 (2018), 40, DOI
K. Neuhaus, S. Eickholt, A. Maheshwari, F. Schulze-Küppers, S. Baumann, H.-D. Wiemhöfer, Analysis of Charge Transport in Ce_0.8Gd_0.2-xPr_xO_2-δ at T < 600 °C, Journal of The Electrochemical Society, 164 (2017), H491 - H496, DOI
S. Zanotto, A. Blancato, A. Buchheit, M. Muñoz-Castro, H.-D. Wiemhöfer, F. Morichetti, A. Melloni, Metasurface Reconfiguration through Lithium-Ion Intercalations in a Transition Metal Oxide, Advanced Optical Materials, 5 (2017) 1600732, DOI
M. Muñoz-Castro, F. Berkemeier, G. Schmitz, A. Buchheit, H.-D. Wiemhöfer, Controlling the optical properties of sputtered-deposited Li_xV₂O₅ films, Journal of Applied Physics, 120 (2016), 1135106, DOI
E. Cznotka, S. Jeschke, M. Grünebaum, H.-D. Wiemhöfer, Highly-fluourous pyrazolide-based lithium salt in PVDF-HFP as solid polymer electrolyte, Solid State Ionics, 292 (2016), 45-51, DOI
K. Neuhaus, B. Gerke, O. Niehaus, S. Koops, T. Hopp, R. Pöttgen, H.-D. Wiemhöfer, Investigation of the cation valency and conductivity of antimony-substituted ceria, Journal of Solid State electrochemistry, (2016), 1-10, DOI
K. Bletrop, P. Meister, S. Klein, A. Heckmann, M. Grünebaum, H.-D. Wiemhöfer, M. Winter, T. Placke, Does Size really Matter? New Insights into the Intercalation Behavior of Anions into a Graphite-Based Positive Electrode for Dual-Ion Batteries, Electrochimica Acta, (2016), DOI - Accepted Manuscript
E. Cznotka, S. Jeschke, H.-D. Wiemhöfer, Characterization of semi-interpenetrating polymer electrolytes containing poly(vinylidene fluoride-co-hexafluoropropylene) and ether-modified polysiloxane, Solid State Ionics, 189 (2016), 35-47, DOI
M. Grünebaum, A. Buchheit, C. Günther, H.-D. Wiemhöfer, New efficient synthetic routes to trifluoromethyl substituted pyrazoles and corresponding β-diketones, Tetrahedron Letters, 14, 57 (2016), 1555-1559, DOI
A. Maheshwari, H.-D. Wiemhöfer, Optimized mixed ionic-electronic conductivity in two-phase ceria-zirconia composite with cobalt oxide and Na2CO3 as suitable additives, Journal of Materials Chemistry A, 12, 4 (2016), 4402-4412, DOI
M. Grünebaum, A. I. Gerlitz, A. Buchheit, S. Jeschke, C. G. Daniliuc, H.-D. Wiemhöfer, Improved synthesis of perfluoroalkyl substituted 1,3,4-oxadiazoles as precursors for corresponding 1,2,4-triazoles, Journal of Fluorine Chemistry, 183 (2016), 30-35, DOI
E. Cznotka, S. Jeschke, S. Schmohl, P. Johansson, H.-D. Wiemhöfer, 3D laser scanning confocal microscopy of siloxane-based comb and double-comb polymers in PVDF-HFP thin films, Journal of Coatings Technology and Research, (2016), 1-11, DOI
H. El Maanaoui, F. Wilangowski, A. Maheshwari, H.-D. Wiemhöfer, R. Abart, N. A. Stolwijk, Ionic conductivity in gem-quality single-crystal alkali feldspar-from the Eifel: temperature, orientation and composition dependence, (2016), 1-14, DOI
S. Jeschke, H.-D. Wiemhöfer, FTIR and DFT studies of LiTFSI solvation in 3-methyl-2-oxazolidonone, Spectrochimica acta Part A: Molecular and Biomolecular Spectroscopy, 157 (2016), 220-226, DOI
A. Maheshwari, H.-D. Wiemhöfer, Augmentation of grain boundary coductivity in Ca²⁺ doped ceria-carbonate-composite, Acta Materialia, 103 (2016), 361-369, DOI

2015-2011

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K. Neuhaus, F. Schulze-Küppers, S. Baumann, G. Ulbrich, M. Lerch, H.-D. Wiemhöfer, Scanning probe microscopy polarization experiments with polycrystalline Ce_0.8Gd_0.2-xPr_xO_2-δ and Ce_0.8Y_0.2O_2-δ single crystals at room temperature, Solid State Ionics, 288 (2016), 325-330 DOI
S. Taub, K. Neuhaus, H.-D. Wiemhöfer, N. Ni, J. A. Kilner, A. Atkinson, The effects of Co and Cr on the electrical conductivity of cerium gadolinium oxide, Solid State Ionics, 282 (2015), 54-62, DOI
B. Pohl, M. Grünebaum, M. Drews, S. Passerini, M. Winter, H.-D. Wiemhöfer, Nitrile functionalized silyl ehter with dissolved LiTFSI as new electrolyte solvent or lithium-ion batteries, Electrochimica Acta, (2015), DOI - Accepted Manuscript
S. Seidel, S. Jeschke, P. Vettikuzha, H.-D. Wiemhöfer, PVDF-HFP/ether-modified polysiloxane membranes obtained via airbrush spraying as active separators for application in lithium ion batteries, Chem Commun (Camb), (2015), DOI
A. Maheshwari, H.-D. Wiemhöfer, Sr²⁺ - Gd³⁺ co-doped CeO₂: A cost-effective variant for IT-SOFC electrolytes, Ceramics International, 41 (2015) 9122-9130, DOI
E. Cznotka, S. Jeschke, P. Vettikutha, H.-D. Wiemhöfer, Semi-interpenetrating polymer network of poly(methyl methacrylate) and ether-modified polysiloxane, Solid State Ionics, 274 (2015) 55-63, DOI
S. Jankowsky, M. M. Hiller, O. Fromm, M. Winter, H.-D. Wiemhöfer, Enhanced Lithium-Ion Transport in Polyphosphazene based Gel Polymer Electrolytes, Electrochimica Acta, 155 (2015) 364-371, DOI
B. Pohl, H.-D. Wiemhöfer, Highly Thermal Electrochemical Stable Dinitrile Disiloxane as Co-Solvent for Use in Litium-Ion Batteries, Journal of the Electrochemical Society, 162 (2015) A460-A464, DOI
B. Pohl, M. M. Hiller, S. M. Seidel, M. Grünebaum, H.-D. Wiemhöfer, Nitrile functionalized disiloxanes with dissolved LiTFSI as lithium ion electrolytes with high thermal and electrochemical stability, Journal of Power Sources, 274 (2015) 629-635, DOI
S. Jankowsky, M. M. Hiller, R. Stolina, H.-D. Wiemhöfer, Performance of polyphosphazene based gel polymer electrolytes in combination with lithium metal anodes, Journal of Power Sources, 273 (2015) 574-579, DOI
B. Golembiewski, N. Vom Stein, N. Sick, H.-D. Wiemhöfer, Identifying trends in battery technologies with regard to electric mobility: Evidence from patenting activities along and across the battery value chain, Journal of Cleaner Production, 87 (2015) 800-810, DOI
A. Schmidt, M. Lerch, J.-P. Eufinger, J. Janek, R. Dolle, H.-D. Wiemhöfer, I. Tranca, M. M. Islam, T. Bredow, H. Boysen, M. Hoelzl, CN-mayenite Ca₁₂Al₁₄O₃₂(CN)₂: Replacing mobile oxygen ions by cyanide ions, Solid State Sciences, 38 (2014) 69-78, DOI
P. Röder, B. Stiaszny, J. C. Ziegler, N. Baba, P. Lagaly, H.-D. Wiemhöfer, The impact of calendar aging on the thermal stability of a LiMn₂O₄-Li(Ni_1/3Mn_1/3Co_1/3)O₂/graphite lithium-ion cell, Journal of Power Sources 268 (2014) 315-325, DOI
S. Jeschke, H.-D. Wiemhöfer, C. Mück-Lichtenfeld, Computational study of structural properties of lithium cation complexes with carbamate-modified disiloxanes, Physical Chemistry Chemical Physics 16 (2014) 14236-43, DOI
A. Kuhn, S. Dupke, M. Kunze, S. Puravankara, T. Langer, R. Pöttgen, M. Winter, H.-D. Wiemhöfer, H. Eckert, P. Heitjans, Insight into the Li Ion Dynamics in Li₁₂Si₇: Combining Field Gradient Nuclear Magnetic Resonance, One- and Two-Dimensional Magic-Angle Spinning Nuclear Magnetic Resonance, and Nuclear Magnetic Resonance Relaxometry, The Journal of Physical Chemistry C, 118 (2014) 28350-60, DOI
M. Amereller, T. Schedlbauer, D. Moosbauer, C. Schreiner, C. Stock, F. Wudy, S. Zugmann, H. Hammer, A. Mauerer, R.M. Gschwind, H.-D. Wiemhöfer, M. Winter, H.J. Gores, Electrolytes for lithium and lithium ion batteries: From synthesis of novel lithium borates and ionic liquids to development of novel measurement methods, Progress in Solid State Chemistry (2014), DOI
M. Grünebaum, M. M. Hiller, S. Jankowsky, S. Jeschke, B. Pohl, T. Schürmann, P. Vettikuzha, A.-C. Gentschev, R. Stoline, R. Müller, H.-D. Wiemhöfer, Synthesis and electrochemistry of polymer based electrolytes for lithium batteries, Progress in Solid State Chemistry (2014), DOI
J.P. Eufinger, M. Daniels, K. Schmale, S. Berendts, G. Ulbrich, M. Lerch, H.-D. Wiemhöfer, J. Janek, The model case of an oxygen storage catalyst-non-stochiometry, point defects and electrical conductivity of singel crystalline CeO₂-ZrO₂-Y₂O₃ solid solutions, Physical Chemistry Chemical Physics 16 (2014), 25583-25600, DOI
S. Jeschke, M. Mutke, Z. Jiang, B. Alt, H.-D. Wiemhöfer, Study of Carbamate-Modified Disiloxane in Porous PVDF-HFP Membranes: New Electrolytes/Separators for Lithium-Ion Batteries, ChemPhysChem (2014), DOI
M. Bredol, M. Kaczmarek, H.-D. Wiemhöfer, Electrocatalytic activity of ZnS nanoparticles in direct ethanol fuel cells, Journal of Power Sources 255 (2014) 260-265, DOI
S. Jankowsky, M. M. Hiller, H.-D. Wiemhöfer, Preparation and electrochemical performance of polyphosphazene based salt-in-polymer electrolyte membranes for lithium ion batteries, Journal of Power Sources 253 (2014) 256-262, DOI
A. Schmidt, M. Lerch, J.-P. Eufinger, J. Janek, I. Tranca, M. M. Islam, T. Bredow, R. Dolle, H.-D. Wiemhöfer, H. Boysen, M. Hölzel, Chlorine Ion mobility in Cl-mayenite (Ca₁₂Al₁₄O₃₂Cl₂): An investigation combining high-temperature neutron powder diffraction, impedance spectroscopy and quantum-chemical calculations, Solid State Ionics 254 (2014) 48-58, DOI
P. Röder, N. Baba, H.-D. Wiemhöfer, A detailed thermal study of Li[Ni_0.33Co_0.33Mn_0.33]O₂/LiMn₂O₄-based lithium ion cell by accelerating rate and differential scanning calorimetry, Journal of Power Sources 248 (2014) 978-987, DOI
P. Röder, N. Baba, K. A. Friedrich, H.-D. Wiemhöfer, Impact of delithiated Li₀FePO₄ on the decomposition of LiPF₆-based electrolyte studied by accelerating rate calorimetry, Journal of Power Sources 236 (2013) 151-157, DOI
D. Kladeková, R. Orináková, H.-D. Wiemhöfer, A. Krajiníková, A. Orinák, Two-Dimensional Modelling and Validation of the Mass Flow in a Mixing Stirred Reactor, Nanomaterials and Nanotechnology 3 (2013) DOI
M. M. Hiller, M. Joost, H. J. Gores, S. Passerini, H.-D. Wiemhöfer, The influence of interface polarization on the determination of lithium transference numbers of salt in polyethylene oxide electrolytes, Electrochimica Acta 114 (2013) 21-29. DOI
K. Schmale, J. Barthel, M. Bernemann, M. Grünebaum, S. Koops, M. Schmidt, J. Mayer, H.-D. Wiemhöfer, AFM investigations on the influence of CO₂-exposure on Ba_0.5Sr_0.5Co_0.8Fe_0.2O_3-δ, Journal of Solid State Electrochemistry 14 (2013) 2897-2907. DOI
K. Schmale, M. Daniels, A. Buchheit, M. Grünebaum, L. Haase, S. Koops, H.-D. Wiemhöfer, Influence of ZnO on the conductivity of ceria, J. Electrochem. Soc. 160 (2013) F1081-F1087. DOI
S. Jeschke, A.-C. Gentschev, H.-D. Wiemhöfer, Disiloxanes with cyclic or non-cyclic carbamate moieties as electrolytes for lithium-ion batteries, Chem. Commun. 49 (2013) 1190. DOI
A. Maheshwari, M. Daniels, K. Schmale, H.-D. Wiemhöfer, Complementary Effect on the Total Conductivity: Addition of Sr²⁺ in Ta⁵⁺ Doped Ceria, IPCSIT 56 (2012) 85-90. DOI:10.7763/ipcsit.2012.v56.16 , URL
M. Kunze, Y. Karatas, H.-D. Wiemhöfer, M. Schönhoff, Correlations of Ion Motion and Chain Motion in Salt-in-Polysiloxane-g-oligoether Electrolytes, Macromolecules 45 (2012) 8328-8335. DOI
A. Fedorková, R. Orináková, A. Orinák, M. Kupková, H.-D. Wiemhöfer, J.N. Audinot, J. Guillot, Electrochemical and XPS study of LiFePO₄ cathode nanocomposite with PPy/PEG conductive network, Solid State Sciences 14 (2012) 1238-1243. DOI
A. Kuhn, M. Kunze, P. Sreeraj, H.-D. Wiemhöfer, V. Thangadurai, M. Wilkening, P. Hietjans, NMR relaxometry as a versatile tool to study Li ion dynamics in potential battery materials, Solid State Nuclear Magnetic Resonance 42 (2012) 2-8. DOI
A. Kuhn, P. Sreeraj, R. Pöttgen, H.-D. Wiemhöfer, M. Wilkening and P. Heitjans, Li NMR Spectroscopy on Crystalline Li₁₂Si₇: Experimental Evidence for the Aromaticity of the Planar Cyclopentadienyl-Analogous Si₅^6-Rings, Angew. Chem. Int. Ed., 60 (2011) 12099-12102. DOI
Alexander Kuhn*†, Puravankara Sreeraj‡, Rainer Pöttgen‡, Hans-Dieter Wiemhöfer‡, Martin Wilkening†, and Paul Heitjans*†, Li Ion Diffusion in the Anode Material Li₁₂Si₇: Ultrafast Quasi-1D Diffusion and Two Distinct Fast 3D Jump Processes Separately Revealed by ⁷Li NMR Relaxometry, Journal of the American Chemical Society 133 (29) (2011) 11018-11021. DOI

N. Kaskhedikar, Y. Karatas, G. Cui, J. Maier and H.-D. Wiemhöfer, Nanocomposites based on borate esters as improved lithium-ion electrolytes, Journal of Materials Chemistry 21 (32) (2011) 11838-11843. DOI

S. Zugmann, M. Fleischmann, M. Amereller, R.M. Gschwind, H.D. Wiemhöfer, H.J. Gores, Measurement of transference numbers for lithium ion electrolytes via four different methods, a comparative study, Electrochim. Acta, 56 (2011) 3926-3933. DOI

K. Veldboer, T. Schürmann, M. Vogel, H.D. Wiemhöfer, U. Karst, Liquid chromatography/electrospray time-of-flight mass spectrometry for the characterisation of cyclic phosphazenes, Rapid Commun. Mass Spectrom., 25 (2011) 147-154. DOI

K. Schmale, M. Grünebaum, M. Janssen, S. Baumann, F. Schulze-Küppers, H.D. Wiemhöfer, Electronic conductivity of Ce_0.8Gd_0.2-xPr_xO_2-δ and influence of added CoO, Phys. Status Solidi B-Basic Solid State Phys., 248 (2011) 314-322. DOI

H.A. Abbas, C. Argirusis, M. Kilo, H.D. Wiemhofer, F.F. Hammad, Z.M. Hanafi, Preparation and conductivity of ternary scandia-stabilised zirconia, Solid State Ion., 184 (2011) 6-9. DOI

2010-2006

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M. Burjanadze, Y. Karatas, N. Kaskhedikar, L.M. Kogel, S. Kloss, A.C. Gentschev, M.M. Hiller, R.A. Muller, R. Stolina, P. Vettikuzha, H.D. Wiemhofer, Salt-in-Polymer Electrolytes for Lithium Ion Batteries Based on Organo-Functionalized Polyphosphazenes and Polysiloxanes, Z. Phys. Chemie-Int. J. Res. Phys. Chem. Chem. Phys., 224 (2010) 1439-1473. DOI

M. Morales-Masis, H.-D. Wiemhöfer, J.M. van Ruitenbeek, Towards a quantitative description of solid electrolyte conductance switches, Nanoscale 2 (2010) 2275-2280. DOI

R. Pöttgen, T. Dinges, H. Eckert, P. Sreeraj, H.D. Wiemhöfer, Lithium-Transition Metal-Tetrelides - Structure and Lithium Mobility, Z. Phys. Chemie-Int. J. Res. Phys. Chem. Chem. Phys., 224 (2010) 1475-1504. DOI

A. Fedorkova, H.D. Wiemhofer, R. Orinakova, A. Orinak, D. Kaniansky, Surface modification of FePO4 particles with conductive layer of polypyrrole, Solid State Sci., 12 (2010) 924-928. DOI

M. Kunze, A. Schulz, H.-D. Wiemhöfer, H. Eckert, M. Schönhoff, Transport mechanisms of ions in graft-copolymer based salt-in-polymer electrolytes, Zeitschrift für Physikalische Chemie-Int. J. Res. Phys. Chem. Chem. Phys., 224 (2010) 1771-1793.

Y. Akgöl, C. Cramer, C. Hofmann, Y. Karatas, H.-D. Wiemhöfer, M. Schönhoff, Humidity-Dependent DC Conductivity of Polyelectrolyte Multi layers: Protons or Other Small Ions as Charge Carriers? Macromolecules 43 (2010) 7282-7287. DOI

M. Kunze, Y. Karatas, H.-D. Wiemhöfer, H. Eckert, M. Schönhoff, Activation of transport and local dynamics in polysiloxane-based salt-in-polymer electrolytes: a multinuclear NMR study, Physical Chemistry Chemical Physics 12 (2010) 6844-6851. DOI

G. Noetzel, E. Schweda, H.-D. Wiemhöfer, Ionic Conductivity of Ce₃NF₆, ZAAC 636 (2010) 389-394. DOI

A. Fedorková, R. Oriňáková, A. Oriňák, I. Talian, A. Heile, H.-D. Wiemhöfer, D. Kaniansky, H.F. Arlinghaus, PPy doped PEG conducting polymer films synthesized on LiFePO₄ particles, J. Power Sources 195 (2010) 3907-3912. DOI

P. Sreeraj, N. A. Kaskhedikar, H.-D. Wiemhöfer, J. Maier, R. Pöttgen, Electrochemical investigations of Li₂AuSn₂, Solid State Ionics 181 (2010) 59-63. DOI

A. Fedorková, R. Oriňáková, A. Oriňák, H.-D. Wiemhöfer, D. Kaniansky, M. Winter, Surface treatment of LiFePO₄ cathode material with PPy/PEG conductive layer, J. Solid State Electrochem., 14 (2010) 2173-2178. DOI

Y. Karatas, R. D. Banhatti, N. Kaskhedikar, M. Burjanadze, K. Funke, H. D. Wiemhöfer,, J. Phys. Chem. B 113 (2009) 15473-15484. DOI

M. Lerch, J. Janek, K. D. Becker, S. Berendts, H. Boysen, T. Bredow, R. Dronskowski, S. G. Ebbinghaus, M. Kilo, M. W. Lumey, M. Martin, C. Reimann, E. Schweda, I. Valov, H. D. Wiemhöfer, Oxide nitrides: From oxides to solids with mobile nitrogen ions, Prog. Solid State Chem. 37 (2009) 81-131. DOI

A. Fedorkova, H. D. Wiemhöfer, R. Orinakova, A. Orinak, M. C. Stan, M. Winter, D. Kaniansky, A. N. Alejos, Improved lithium exchange at LiFePO₄ cathode particles by coating with composite polypyrrole-polyethylene glycol layers, J. Solid State Electrochem. 13 (2009) 1867-1872. DOI

I. Valov, V. Rührup, R. Klein, T. C. Rödel, A. Stork, S. Berendts, M. Dogan, H. D. Wiemhöfer, M. Lerch, J. Janek, Ionic and electronic conductivity of nitrogen-doped YSZ single crystals, Solid State Ion. 180 (2009) 1463-1470.
DOI

M. Gal, R. Orinakova, H. D. Wiemhöfer, P. Chovan, A. Krajnikova, J. Hives, Anomalous Coating of Iron Microparticles by Ni-Co Layers in the 3D Stirred Heterogeneous System: Impedance Study, J. Electrochem. Soc. 156 (2009) D462-D468. DOI

D. K. Lee, L. Kogel, S. G. Ebbinghaus, I. Valov, H. D. Wiemhöfer, M. Lerch, J.
Janek, Defect chemistry of the cage compound, Ca₁₂Al₁₄O₃₃-understanding the route from a solid electrolyte to a semiconductor and electride, Phys. Chem. Chem. Phys. 11 (2009) 3105. DOI

T. Nilges, S. Lange, M. Bawohl, J. M. Deckwart, M. Janssen, H. D. Wiemhöfer, R. Decourt, B. Chevalier, J. Vannahme, H. Eckert, R. Weihrich, Reversible switching between p- and n-type conduction in the semiconductor Ag₁₀Te₄Br₃, Nat. Mater. 8 (2009) 101. DOI

L. van Wüllen, T. K. J. Koster, H. D. Wiemhöfer, N. Kaskhedikar, Local Cation
Coordination Motifs in Polyphosphazene Based Composite Electrolytes, Chem. Mat. 20 (2008) 7399. DOI

K. Veldboer, Y. Karatas, T. Vielhaber, U. Karst, H. D. Wiemhöfer, Cyclic Phosphazenes for the Surface Modification of Lanthanide Phosphate-based Nanoparticles, Z. Anorg. Allg. Chem. 634 (2008) 2175. DOI

Y. Karatas, W. Pickhout-Hintzen, R. Zorn, D. Richter, H.-D. Wiemhöfer, SANS
investigation and Conductivity of Pure and Salt Containing
Poly(bismethoxyphosphazene), Macromolecules 41 (2008) 2212. DOI

Y. Akgöl, C. Hofmann, Y. Karatas, C. Cramer, H.-D. Wiemhöfer, M. Schönhoff, Conductivity Spectra of polyphosphazene-based polyelectrolyte multilayers, J. Phys. Chem. B 111 (2007) 8532-8539. DOI

S. Lange, M. Bawohl, D. Wilmer, H.-W. Meyer, H.-D. Wiemhöfer, T. Nilges: Polymorphism, Structural Frustration and Electrical Properties of the Mixed Conductor Ag₁₀Te₄Br₃, Chem. Mater. 19 (2007) 1401-1409. DOI

J. Paulsdorf, H.-D. Wiemhöfer, A. Orinak, P. Zamostny, Z. Belohlav, Application of pyrolysiscapillary gas chromatography with NPD detection in thermal degradation of polyphosphazenes study, Centr. Eur. J. Chem. 5 (2007) 271-291. DOI

N. Kaskhedikar, M. Burjanadze, Y. Karatas, H.-D. Wiemhöfer, Polymer electrolytes based on crosslinked cyclotriphosphazenes, Solid State Ionics 177 (2006) 3129-3134. DOI

V. Rührup, H.-D. Wiemhöfer, Ionic Conductivity of Gd and Y doped Ceria-Zirconia Solid Solutions, Z. Naturforsch. 61B (2006) 916-922.

M. Burjanadze, J Paulsdorf, N. Kaskhedikar, Y. Karatas, H.-D. Wiemhöfer, Proton Conducting Membranes from Sulfonated Poly[bis(phenoxy)phosphazenes] with an Interpenetrating Hydrophilic Network, Solid State Ionics 177 (2006) 2425-2430. DOI

N. Kaskhedikar, J Paulsdorf, M. Burjanadze, Y. Karatas, B. Roling, H.-D. Wiemhöfer, Polyphosphazene Based Composite Polymer Electrolytes, Solid State Ionics 177 (2006) 2699-2704. DOI

P. Sreeraj, H.-D. Wiemhöfer, R.-D. Hoffmann, R. Skowronek, J. Walter, A. Kirfel, R. Pöttgen, Neutron Diffraction and Electrochemical Studies on LiAg₂Sn, Solid State Sci. 8 (2006) 843-848. DOI

R. Orinakova, H.-D. Wiemhöfer, J. Paulsdorf, V. Barinkova, A. Bednarikova, R. M. Smith, Impedance Study of Ni-Co electro-deposition on Fe powder particles in fluidised bed systems, J. Solid State Electrochem. 10 (2006) 458-464. DOI

N. Kaskhedikar, J. Paulsdorf, M. Burjanadze, Y. Karatas, D. Wilmer, B. Roling, H.-D.Wiemhöfer, Ionic conductivity of polymer electrolyte membranes based on polyphosphazene with oligo (propyleneoxide) side chains, Solid State Ionics 177 (2006), 703-707. DOI

J. Paulsdorf, N. Kaskhedikar, M. Burjanadze, S. Obeidi, N. A. Stolwijk, D. Wilmer, H.-D. Wiemhöfer, Synthesis and ionic conductivity of polymer electrolytes based on a polyphosphazene with short side groups, Chem. Mater. 18 (2006) 1281-1288. DOI

Y. Karatas, N. Kaskhedikar, M. Burjanadze, and H.-D. Wiemhöfer, Synthesis of Cross-linked Comb Polysiloxane for Polymer Electrolyte Membranes, Macromol. Chem. Phys. 207 (2006) 419-425. DOI

P. Sreeraj, H.-D. Wiemhöfer, R.-D. Hoffmann, R. Skowronek, A. Kirfel and R. Pöttgen, Neutron diffraction and electrochemical studies on LiIrSn₄, J. Solid State Chem. 179 (2006) 355-361. DOI

2005-2001

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H.-D. Wiemhöfer, Surface Properties of Ionic Conductors, in: C.C. Sorrell, S. Sugihara, J. Nowotny (Eds.), Materials for Energy Conversion Devices, Woodhead Publ. and CRC Press, Cambridge 2005, pp. 260-285.

H.-D. Wiemhöfer, H.-G. Bremes, U. Nigge, Mixed Conduction and Electrode Properties of Doped Gadolinium Cobaltates and Some Chromites, Solid State Ionics 175 (2004) 93-98. DOI

Georges, S.; Goutenoire, F.; Bohnke, O.; Steil, M. C.; Skinner, S. J.; Wiemhöfer, H.-D.; Lacorre, P., The LAMOX family of fast oxide-ion conductors: Overview and recent results, Journal of New Materials for Electrochemical Systems 7 (2004) 51-57.

J. Paulsdorf, M. Burjanadze, K. Hagelschur, H.-D. Wiemhöfer, Ionic Conductivity in Polyphosphazene Polymer Electrolytes Prepared by the Living Cationic Polymerization, Solid State Ionics 169 (2004) 25-33. DOI

U. Weimar, H.-D. Wiemhöfer, Ch. Ziegler: Review on Physical Chemistry 2003: Chemical Sensors (in German), Nachr. Chem. 52 (2004) 317-320.

C. Ziegler, H.-D. Wiemhöfer, J. Maier, Chemische Sensoren (Jahresübersicht), Bunsen-Magazin 5 (2003) 32-43.

H.-D. Wiemhöfer, M. Dogan, S. Lübke, V. Rührup, New Results for Electron Transport, Chemical Diffusion and Stability of Solid Oxygen Ion Conductors, in: P. Knauth and H. Tuller (eds.), Solid State Ionics 2002, MRS Proceedings Volume 756, pages 455-466.

H.-D. Wiemhöfer, H.-G. Bremes, U. Nigge, W. Zipprich, Studies of ionic transport and oxygen exchange on oxide materials for electrochemical gas sensors, Solid State Ionics 150 (2002) 63-77. DOI

J. Weitkamp, H.-D. Wiemhöfer, Electronic conduction and stability of solid electrolytes based on lanthanum gallates, Solid State Ionics 154-155C (2002) 597-604. DOI

C. Kröger, H. Niggemeier, H.-D. Wiemhöfer, O. Glumov, I. Murin, Ion Transport in Alkaline and Earth Alkaline Hydrogen Fluorides, Solid State Ionics 154-155C (2002) 487-495. DOI

U. Nigge, H.-D. Wiemhöfer, E.W.J. Römer, H.J.M. Bouwmeester, T.R. Schulte, Composites of Ce_0.8Gd_0.2O_1.9 and Gd_0.7Ca_0.3CoO_3-δ as oxygen permeable membranes for exhaust gas sensors, Solid State Ionics 146 (2002) 163-174. DOI

T. Schulte, R. Waser, E.W.J. Römer, H.J.M. Bouwmeester, U. Nigge, H.-D. Wiemhöfer, Development of oxygen-permeable ceramic membranes for NOx-sensors, Journal of the European Ceramic Society 21 (2001) 1971-1975. DOI

E.W.J. Römer, U. Nigge, T. Schulte, H.-D. Wiemhöfer, H.J.M. Bouwmeester, Investigations towards the Use of Gd_0.7Ca_0.3CoO_x as Membrane in an Exhaust Gas Sensor for NOx, Solid State Ionics 140 (2001) 97-103. DOI

2000-1991

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W. Zipprich, H.-D. Wiemhöfer, Measurement of Ionic Conductivity in Mixed Conducting Compounds Using Solid Electrolyte Microcontacts, Solid State Ionics 135 (2000) 699-707. DOI

G.R. Patzke, M. Binnewies, U. Nigge, H.-D. Wiemhöfer, Chemical Transport of Solid Solutions. 8. Transport Phenomena and Ionic Conductivity in the In₂O₃/SnO₂ system, Z. Anorg. Allg. Chem. 626 (2000) 2340-2346. DOI

J. Köhler, H.-D. Wiemhöfer, Trendbericht: Festkörperchemie 1999, Nachr. Chem. 48 (2000) 254-262.

I.A. Sokolov, I.V. Murin, H.-D. Wiemhöfer, The Nature of Current Carriers and Electric Conductivity in the PbCl₂-2PbO·SiO₂ glasses, Glass. Phys. Chem. 26 (2000) 148-157. DOI

S.Lübke, H.-D. Wiemhöfer, Electronic conductivity of Gd-doped ceria with additional Pr-doping, Solid State Ionics 117 (1999) 229-243. DOI

S. Lübke and H.-D. Wiemhöfer, Electronic Conductivity of Gadolinia Doped Ceria, Ber. Bunsenges. Phys. Chemie 102 (1998) 642-649.

I.A. Sokolov, I.V. Murin, H.-D. Wiemhöfer, A.A. Pronkin, Electric Conductivity and the Nature of Electric Current Carriers in the PbF₂-2PbO·SiO₂ Glasses, Glass Physics and Chemistry 24 (1998) 112-118, and 124-132.

I.A. Sokolov, I.V. Murin, H.-D. Wiemhöfer, A.A. Pronknin, Transport processes in the PbF₂-PbO·SiO₂ glasses, Glass Physics and Chemistry 24 (1998) 355-360.

W. Zipprich, S. Waschilewski, F. Rocholl, H.-D. Wiemhöfer, Improved Preparation of La_1-xMe_xCoO_3-δ (Me=Sr, Ca) and Analysis of Oxide Ion Conductivity with Ion Conducting Microcontacs, Solid State Ionics 101 part 2 (1997) 1015-1023. DOI

H.Y. Lee, S.M. Oh, I.-Y. Seo, F. Rocholl, and H.-D. Wiemhöfer, Cathodic Activity and Interfacial Stability of Y_0.8Ca_0.2Co_1-xFe_xO₃/YSZ Electrodes for Solid Oxide Fuel Cells, in: Eds. U. Stimming, S.C. Singhal, H. Tagawa, W. Lehnert, Proc. 5th Intern. Symp. on Solid Oxide Fuel Cells (SOFC-V), The Electrochemical Society, Proc. Vol. 97-40, 1997, pp. 520-529.

C. Hoff, H.-D. Wiemhöfer, O. Glumov, I.V. Murin, Orientation Dependence of the Ionic Conductivity in Single Crystals of Lanthanum and Cerium Trifluoride, Solid State Ionics 101 part 1 (1997) 445-449. DOI

H.-D. Wiemhöfer, F. Rocholl, W. Zipprich, T. Hauber. G. Reinhardt, Electrochemistry at Ion Conducting Microcontacs - Application to the Study of Ion Transport, H. Mehrer et al. (Eds.), Diffusion in Materials DIMAT-96, Defect and Diffusion Forum, Vol. 143-147, Scitec Publ., Uetikon-Zuerich (1997), 1701-1706.

H.-D. Wiemhöfer, T. Hauber, B. Stroetmann, Study of Fast Grain Boundary Diffusion in Mixed Conducting Compounds by Impedance Spectroscopy, H. Mehrer et al. (Eds.), Diffusion in Materials DIMAT-96, Defect and Diffusion Forum, Vol. 143-147, Scitec Publ., Uetikon-Zuerich (1997), 1323-1328.

S. Wienströer, H.-D. Wiemhöfer, Investigation of the Influence of Zirconium Substitution on the Properties of Neodym-Doped Barium Cerates, Solid State Ionics, 101 part 2 (1997) 1113-1117. DOI

A. Dubbe, H.-D. Wiemhöfer, Y. Sadaoka, Electrode Kinetic Study of Silver-Ion Doping Effect in Solid Electrolyte Potentiometric Carbon Dioxide Gas Sensor, J. Electrochem. Soc. 144 (1997) 943-947 .

P. Shuk, H.-D. Wiemhöfer, W. Göpel, Electronic Properties of Bi2O3-Based Solid Electrolytes, Z. Anorg. Allg. Chem. 623 (1997) 892-896 . DOI

P. Shuk, H.-D. Wiemhöfer, U. Guth, W. Göpel, M. Greenblatt, Oxide ion conducting solid electrolytes based on Bi₂O₃ Solid State Ionics 89 (1996) 179-196. DOI

P. Shuk, H.-D. Wiemhöfer, U. Guth, W. Göpel, New Solid Electrolytes Based on Bismuth Oxide, Ionics 2 (1996) 46-52. DOI

T. Lang, H.-D. Wiemhöfer, W. Göpel, Carbonate based CO2 Sensors with High Performance, Sensors Actuators B 34 (1996) 383-387. DOI

H.-D. Wiemhöfer, Surface and Interface Properties of Oxides Exhibiting Fast Oxygen Transport (review article), in: B.C.H. Steele (ed.), Ceramic Oxygen Ion Conductors and Their Technological Applications, British Ceramic Proceedings, No. 56, The Institute of Materials, London 1996, pp. 1-23.

W. Zipprich, U. Vohrer, H.-D. Wiemhöfer, and W. Göpel, In-Situ Photoelectron Spectroscopy of Oxygen Electrodes on Stabilized Zirconia, Ber. Bunsenges. Phys. Chem. 99 (1995) 1406-1413.

S.I. Somov, G. Reinhardt, H.-D. Wiemhöfer, and W. Göpel, Switching Effect at a Platinum Electrode on Stabilized Zirconia during Oxygen Reduction in the Presence of NO, Ionics 1 (1995) 136-140. DOI

G. Reinhardt, H.-D. Wiemhöfer, and W. Göpel, Electrode Reactions of La_0.8Sr_0.2MnO_3+δ Electrodes on Stabilized Zirconia with Oxygen and the Nitrogen Oxides NO and NO₂, Ionics 1 (1995) 32-39. DOI

Hee Y. Lee, W.S. Cho, S.M. Oh, H,-D. Wiemhöfer, and W. Göpel, Active Reaction Sites for Oxygen Reduction in La_0.9Sr_0.1MnO₃/YSZ Electrodes, J. Electrochem. Soc. 142 (1995) 2659-2664. DOI (Abstract)

D.M. Im, D.H. Jang, S.M. Oh, Ch. Striebel, H.-D. Wiemhöfer, G. Gauglitz, and W. Göpel, Electrodeposited GOD/BSA Electrodes: Ellipsometric Study and Glucose Sensing Behavior, Sensors Actuators B 24 (1995) 149-155. DOI

H.-D. Wiemhöfer, Sensing Effects at Gas-Solid Interfaces, Solid State Ionics 75 (1995) 167-178. DOI

A. Dubbe, H.-D. Wiemhöfer, Y. Sadaoka, and W. Göpel, Microstructure and Response Behavior of Electrodes for CO₂ Gas Sensors Based on Solid Electrolytes, Sensors Actuators B 25 (1995) 600 - 602. DOI

A. Dubbe, H.-D. Wiemhöfer, and W. Göpel, Combination of Pressure Modulation and Impedance Spectroscopy for the Study of Electrode Kinetics on Solid Electrolytes: the Porous Gold/Solid Sodium Carbonate Interface, J. Electrochem. Soc. 142 (1995) 2757-2761. DOI

A. Dubbe, H.-D. Wiemhöfer, and W. Göpel, Frequency Response Study of the Kinetic Behavior of Nernstian Solid Electrolyte Gas Sensors by Pressure Modulation, J. Electroanal. Chem. 371 (1994) 43-51. DOI

H.-D. Wiemhöfer, G. Reinhardt, U. Vohrer, and W. Göpel, Electrode Kinetics, Transport Coefficients and Interface Properties of Cathode Materials for High Temperature Fuel Cells (in German), Dechema-Monographies Vol. 128 VCH (1993) 87-101.

P. Shuk, A. Vecher, V. Kharton, L. Tichonova, H.-D. Wiemhöfer, U. Guth, and W. Göpel, Electrodes for Oxygen Sensors Based on Rare Earth Manganites or Cobaltates, Sensors Actuators B 16 (1993) 401-405. DOI

V. Razumas, J. Kulys, M. Knichel, H.-D. Wiemhöfer, and W. Göpel, Monoalkylferrocene-Mediated Amperometric Enzyme Electrodes for Glucose Determination, Electroanalysis 5 (1993) 399-404. DOI

K.-D. Schierbaum, H.-D. Wiemhöfer, and W. Göpel, Nitrogen Dioxide Thin Film Gas Sensors for Environmental Control, Proc. SPIE - Int. Soc. Opt. Eng. 1716 (1993) 346-356. DOI

H.-D. Wiemhöfer, H. Keller, S. Brosda, U. Guth, and W. Göpel, CO₂-Monitoring with Solid State Electrolyte Devices Based upon Na₂CO₃/BaCO₃ , Proc. SPIE - Int. Soc. Opt. Eng. 1716 (1993) 482-489. DOI

H.-D. Wiemhöfer, Processes at Interfaces between Solid Electronic, Ionic and Mixed Conductors - Characterization by Voltage and Frequency Dependent Measurements, Ber. Bunsenges. Phys. Chem. 97 (1993) 461-469.

U. Vohrer, H.-D. Wiemhöfer, W. Göpel, B.A. van Hassel and A.J. Burggraaf, Electronic Properties of Ion-Implanted Yttria-Stabilized Zirconia, Solid State Ionics 59 (1993) 141-149 . DOI

H.-D. Wiemhöfer, and U. Vohrer, Spectroscopy and Thermodynamics of Electrons in Yttria-Stabilized Zirconia, Ber. Bunsenges. Physikal. Chem. 96 (1992) 1646-1652.

H.-D. Wiemhöfer, Sensor Concepts Between Electronics and Ionics (review article), in: "Elektrochemische Sensoren", Dechema-Monographies Vol. 126, VCH, Weinheim 1992, pp. 99 - 117.

W. Weiss, H.-D. Wiemhöfer, and W. Göpel, The Role of Ionic Defects at
Semiconductor/Insulator Interfaces: Spectroscopic Results on CaF₂/InP(001) and SrF₂/InP(001) Structures, Phys. Rev. B 45 (1992) 8478-8489. DOI

H.-D. Wiemhöfer, U. Vohrer, and W. Göpel, Interface Analysis for Solid State
Electrochemistry, in: Systems with Fast Ionic Transport (Eds. G. Schuster, K.
Künstler, H. Ullmann), Materials Science Forum, Vol. 76 (1991), Trans Tech
Publications, Zürich 1991; pp. 265 - 268. DOI

F. Schilling, U. Vohrer, H.-D. Wiemhöfer, J. Arndt, and W. Göpel, Mixed Oxides for Low Temperature Oxygen Sensors: Phase Characterisation, Spectroscopic, and Electrical Investigations of (Zr_1-xTi_x)_0.82Y_0.18O_1.91, Sensors Actuators B 4 (1991) 411 - 416. DOI

H.-D. Wiemhöfer, and W. Göpel, Fundamentals and Principles of Potentiometric Gas Sensors Based upon Solid Electrolytes, Sensors Actuators B 4 (1991) 365-372. DOI

A. Dubbe, H.-D. Wiemhöfer, K.D. Schierbaum, and W. Göpel, Kinetics of Oxygen Interaction with Pt/CeO2 Sensors: Application of a New Pressure Modulation Spectroscopy, Sensors Actuators B 4 (1991) 23 - 28. DOI

H.-D. Wiemhöfer, and K. Cammann, Specific Features of Electrochemical Sensors (review article), in: W. Göpel, T.A. Jones, M. Kleitz, J. Lundström,, T. Seiyama (Eds.), Sensors, Vol. 2 - Chemical and Biochemical Sensors, Part I, VCH Weinheim 1991; pp. 159-189.

H.-D. Wiemhöfer, and W. Göpel, Interface Analysis for Solid-State Electrochemical Devices and Chemical Sensors (review article), Fres. J. Anal. Chem. 341 (1991) 106-111. DOI

U. Löffler, H.-D. Wiemhöfer, and W. Göpel, Investigations on Dispersed Mediator Systems for Amperometric Biosensors, Biosensors and Bioelectronics 6 (1991) 343-352. DOI

H.-D. Wiemhöfer, Electrodes in Solid State Electrochemistry: Interfaces, Potentials and Measurement of Transport Properties (in German), Habilitation Thesis, University of Tübingen, Febr. 1991.

1990-1979

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H.-D. Wiemhöfer, Coupling Between Electron and Ion Transport in Mixed
Conductors, Solid State Ionics 40/41 (1990) 530-534. DOI

H.-D. Wiemhöfer, D. Schmeißer, and W. Göpel, Lead Phthalocyanine as a Mixed
Conducting Oxygen Electrode, Solid State Ionics 40/41 (1990) 421-427. DOI

H.-D. Wiemhöfer, S. Harke, and U. Vohrer, Electronic Properties and Gas
Interaction of LaF₃ and ZrO₂, Solid State Ionics 40/41 (1990) 433-439. DOI

S. Harke, H.-D. Wiemhöfer, and W. Göpel, Investigation of Electrodes for Oxygen Sensors Based on Lanthanum Trifluoride as Solid Electrolyte, Sensors Actuators B1 (1990) 188-194. DOI

U. Löffler, H.-D. Wiemhöfer, W. Göpel, W. Schuhmann, and H.-L. Schmidt, Dimethylferrocene as Redox Mediator in Amperometric Enzyme Electrodes, Sensors Actuators B1 (1990) 571-575. DOI

W. Göpel, and H.-D. Wiemhöfer, Electrode Kinetics and Interface Analysis of Solid Electrolytes for Fuel Cells and Sensors (review article), Ber. Bunsenges. Phys. Chem. 94 (1990) 981-987.

W. Göpel, J. Maier, K.D. Schierbaum, and H.-D. Wiemhöfer, Defect Chemistry of Tin(IV)-oxide in Bulk and Boundary Layers, Solid State Ionics 32/33 (1989) 440-443. DOI

W. Carillo-Cabrera, H.-D. Wiemhöfer, and W. Göpel, Ionic Conductivity of Oxygen Ions in YBa₂Cu₃O_7-x, Solid State Ionics 32/33 (1989) 1172-1178. DOI

P. Gimmel, B. Gompf, M. Klein, D. Schmeißer, H.-D. Wiemhöfer, and W. Göpel, Ta₂O₅-Gates of pH-sensitive Devices: Comparative Spectroscopic and Electrical Studies, Sensors Actuators 17 (1989) 195-202. DOI

W. Göpel, K. D. Schierbaum, D. Schmeißer, and H.-D. Wiemhöfer, Prototype Chemical Sensors for the Selective Detection of O₂ and NO₂ in Gases, Sensors Actuators 17 (1989) 377-384. DOI

K. Schindler, D. Schmeisser, U. Vohrer, H.-D. Wiemhöfer, and W. Göpel, Spectroscopic and Electrical Studies of Yttria-Stabilized Zirconia for Oxygen Sensors, Sensors Actuators 17 (1989) 555-568. DOI

K.D. Schierbaum, H.-D. Wiemhöfer, and W. Göpel, Defect Structure and Sensing Mechanism of SnO₂ Gas Sensors: Comparative Electrical and Spectroscopic Studies, Solid State Ionics 28-30 (1988) 1631-1636. DOI

W.Göpel, U. Kirner, H.-D. Wiemhöfer, and G. Rocker, Surface and Bulk Properties of TiO2 in Relation to Sensor Applications, Solid State Ionics 28-30 (1988) 1423-1430. DOI

K.D. Schierbaum, H.-D. Wiemhöfer, S. Vaihinger, R. Kowalkowski, and W. Göpel, Comparative Studies on Gas Sensors Based on Single Crystals, Thick Films and Thin Films of SnO₂ (in German), ibid., pp. 395-399.

K. Schindler, H.-D. Wiemhöfer, W. Göpel, and D. Schmeißer, Characterization of Pure and Platinum Covered Surfaces of Stabilized Zirconium Dioxide in Oxygen Sensors (in German), in: SENSOREN - Technologie und Anwendung, VDI Berichte 677, VDI Verlag, Düsseldorf 1988, pp. 445-449.

M. Kleinfeld, and H.-D. Wiemhöfer, Chemical Diffusion Coefficients and Stability of CuInS2 and CuInSe2 from Polarization Measurements with Point Electrodes, Solid State Ionics 28-30 (1988) 1111-1115. DOI

H.-D. Wiemhöfer, Electron and Ion Conducting Sensors (review article, in German), in: Chemische und Biochemische Sensoren, Ed. by ACS Organisations GmbH, D-3050 Wunstorf, 1987, pp. 23-42.

H. Rickert, R. Wagner, and H.-D. Wiemhöfer, Pressure Dependent EMF Measurements for the Determination of the Partial Molar Volume of Silver in b- and a-Silver Selenide (in German), Z. Physikal. Chem. NF 153 (1987) 173-187.

M. Kleinfeld, and H.-D. Wiemhöfer, Chemical Diffusion in CuInS₂ in the Temperature Range of 20°C to 100°C, Ber. Bunsenges. Phys. Chem. 90 (1986) 711-714.

H. Rickert, B. Stroetmann, and H.-D. Wiemhöfer, Chemical Diffusion Coefficients of Ag2S from Warburg Impedance of Galvanic Cells in Comparison with Values from Transient Techniques, in: Transport-Structure Relations in Fast Ion and Mixed Conductors, Proc. of the 6th Riso International Symposium on Metallurgy and Materials Science Sept. 1985; Eds.: F. W. Poulsen et al., Riso National Laboratory, Roskilde (Denmark) 1985, pp. 413-418.

H.-D. Wiemhöfer, Measurement of Chemical Diffusion Coefficients by the Point Electrode Technique, in: Solid State Batteries, Eds.: C. A. C. Sequeira, A. Hooper, NATO ASI Series, Series E: Applied Sciences - No. 101; M. Nijhoff Publ., Dordrecht/Boston/Lancaster 1985, pp. 515-518.

M. Kleinfeld, and H.-D. Wiemhöfer, Chemical Diffusion Coefficients of Cu₅FeS₄ and Cu₄Mo₆S₈ - Measurements with Point Electrodes, in: Reactivity of Solids, Eds.: P. Barret, L.-C. Dufour, Elsevier Science Publishers B. V., Amsterdam 1985, pp. 425-428.

R. Wagner, and H.-D. Wiemhöfer, Hall Effect and Conductivity in Thin Films of Low Temperature Chalcocite Cu₂S at 20°C as a Function of Stoichiometry, J. Phys. Chem. Solids 44 (1983) 801-805. DOI

U. Tinter, and H.-D. Wiemhöfer, Chemical Diffusion Coefficients of the Low Temperature Phases of Cu_xSe and Cu_xS - Investigations with Point Electrodes, Solid State Ionics 9 & 10 (1983) 1213-1220. DOI

H. Rickert, and H.-D. Wiemhöfer, Measurements of Chemical Diffusion Coefficients of Mixed Conducting Solids using Point Electrodes - Investigations on Cu₂S, Solid State Ionics 11 (1983) 257-268. DOI

H. Rickert, and H.-D. Wiemhöfer, Stability Behaviour of Mixed Conducting Solids after Applying Electrical Potential Differences - Measurements with Point Electrodes on Ag₂S and Cu₂S, Ber. Bunsenges. Phys. Chem. 87 (1983) 236-239.

H.-D. Wiemhöfer, Application of Point Electrodes on the Measurement of the Chemical Diffusion in Mixed Conductors on the Example of Cuprous Sulfide, PhD Thesis, University of Dortmund, Germany, Febr. 1982.

H. Rickert, H.-D. Wiemhöfer, I. E. Schmidt, and R. Wagner, Physico-Chemical Properties of Cu₂S, in: Proceedings of 4th E. C. Photovoltaic Solar Energy Conference 1982, D. Reidel, Dordrecht 1982, pp. 827-830.

H. Rickert, and H.-D. Wiemhöfer, Physico-Chemical Investigations on Cuprous Sulfide with Regard to its Behaviour in CdS-Cu₂S Thin Film Solar Cells (in German), in: Statusbericht Sonnenenergie, Vol. II, Ed. ISES; VDI-Verlag, Bonn 1980, pp. 1019-1035.

Y.S. Oei, H. Richtering, and H.-D. Wiemhöfer, An NMR Investigation of Anion and Cation Diffusion in Solid Lithium Hydride, Ber. Bunsenges. Phys. Chem. 83 (1979) 463-470.

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