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Referierte Zeitschriften


      • T. Kottakkat, K. Klingan, S. Jiang, Z. P. Jovanov, V. H. Davies, H. Dau, C. Roth, Electrodeposited AgCu foam catalysts for enhanced reduction of CO2 to CO, Appl. Mater. Interfaces (2018) under revision.

      • D. Dixon, A. Schoekel, C. Roth, Spatially resolved quantification of ruthenium oxide phase in a direct methanol fuel cell operated under normal and fuel starved conditions Electrochim. Acta 298 (2019) 52-58.

      • J. Schneider, E. Bulczak, G.A. El-Nagar, M. Gebhard, P. Kubella, M. Schnucklake, A. Fetyan, I. Derr, C. Roth, Degradation Phenomena of Bismuth-Modified Felt Electrodes in VRFB Studied by Electrochemical Impedance Spectroscopy, Batteries 5 (2019) 16, DOI: 10.3390/batteries5010016.

      • A. Fetyan, J. Schneider, M. Schnucklake, G. A. El‐Nagar, R. Banerjee, N. Bevilacqua, R. Zeis, C. Roth, Comparison of Electrospun Carbon−Carbon Composite and Commercial Felt for Their Activity and Electrolyte Utilization in Vanadium Redox Flow Batteries, ChemElectroChem 6 (1) (2019) 130-135. DOI: /10.1002/celc.201801128.

      • C. Cheng, S. Li, Y. Xia, L. Ma, C. Nie, C. Roth, A. Thomas, R. Haag, Atomic Fe-Nx coupled open-mesoporous carbon nanofibers for efficient and bioadaptable oxygen electrode in Mg-air batteries, Adv. Mater. 30 (2018) 1802669, DOI: 10.1002/adma.201802669.

      • K. Bachtin, D. Kramer, V.S. Kiran Chakravadhanula, X. Mu, V. Trouillet, M. Kaus, S. Indris, H. Ehrenberg, C. Roth, Activation and degradation of electrospun LiFePO4 battery cathodes, J. Power Sources 396 (2018) 386–394, DOI: 10.1016/j.jpowsour.2018.06.051

      • M. K. Kayarkatte, O. Delikaya, C. Roth, Polyacrylic acid-Nafion composites as stable catalyst support in PEM fuel cell electrodes, Mater. Today 16 (2018) 8 -13.

      • A. Fetyan, G. A. El-Nagar, I. Lauermann, M. Schnucklake, J. Schneider, C. Roth, Detrimental role of hydrogen evolution and its temperature-dependent impact on the performance of vanadium redox flow batteries, J. Energy Chem. (2018) accepted.

      • K. Klingan, T. Kottakkat, Z. P. Jovanov, S. Jiang, C. Pasquini, F. Scholten, P. Kubella, A. Bergmann, B. R. Cuenya, C. Roth, H. Dau, Reactivity determinants in electrodeposited Cu foams for electrochemical CO2 reduction, ChemSusChem 11 (2018) 3449 -3459, DOI:10.1002/cssc.201801582.

      • I. Akhmetova, K. Schutjajew, M. Wilke, A. Buzanich, K. Rademann, C. Roth, F. Emmerling, Synthesis, characterization and in situ monitoring of the mechanochemical reaction process of two manganese(II)-phosphonates with N-containing ligands, J. Mater. Sci. 53 (2018) 13390-13399, DOI: 10.1007/s10853-018-2608-6.

      • A. Abouserie, G. A. El-Nagar, B. Heyne, R. M. Sarhan, Y. Kim, C. Pries, E. Ribacki, C. Günter, C. Roth, A. Wedel, A. Taubert, Hierarchically structured Copper Sulfide Microflowers with Excellent Amperometric Hydrogen Peroxide Detection Performance, J. Mater. Chem. A, 2018, in review.

      • J. Melke, D. Dixon, L. Riekehr, N. Benker, J. Langner, C. Lentz, H. Sezen, A. Nefedov, C. Wöll, H. Ehrenberg, C. Roth, Surfactant modified Platinum based fuel cell cathode studied by X-ray absorption spectroscopy, J. Catal. 364 (2018) 282-290, DOI: 10.1016/j.jcat.2018.05.024.

      • G. A. El-Nagar, I. Lauermann, R. M. Sarhan, C. Roth, Hierarchically Structured Iron-Doped Silver (Ag-Fe) Lotus Flowers for Efficient Oxygen Reduction Reaction, Nanoscale 10 (2018) 7304-7310, DOI: 10.1039/C8NR00020D

      • A. Fetyan, G. A. El-Nagar, I. Derr, P. Kubella, H. Dau, C. Roth, A Neodymium Oxide Nanoparticle-Doped Carbon Felt as Promising Electrode for Vanadium Redox Flow Batteries, Electrochim. Acta.268 (2018) 59-65. DOI:10.1016/j.electacta.2018.02.104.


      • G. A. El-Nagar, I. Derr, T. Kottakkat, C. Roth, Auspicious metal-doped-Cu2O/Cu dendrite (M=Ni, Co, Fe) catalysts for direct alkaline fuel cells: effect of dopants, ECS Transactions 80 (2017)1013-1022, doi: 10.1149/08008.1013ecst.

      • G. A. El-Nagar, M. A. Hassan, I. Lauermann, C. Roth, Efficient direct formic acid fuel cells (DFAFCs) anode derived from seafood waste: Migration mechanism, Scientific Reports 7 (2017) 17818-17829, DOI:10.1038/s41598-017-17978-8

      • G. A. El-Nagar, M. A. Hassan, A. Fetyan, M. K. Kayarkatte, I. Lauermann, C. Roth, A promising N-doped carbon-metal oxide hybrid electrocatalyst derived from crustaceans’s shells: Oxygen reduction and oxygen evolution, Appl. Catal. B: Environ. 214 (2017) 137-147, DOI:10.1016/j.apcatb.2017.05.030

      • G. A. El-Nagar, R. M. Sarhan, A. Abouserie, N. Maticiuc, M. Bargheer, I. Lauermann, C. Roth, Efficient 3D-Silver Flower-like Microstructures for Non-Enzymatic Hydrogen Peroxide (H2O2) Amperometric Detection, Scientific Reports 7 (2017) 12181-12188, Doi:10.1038/s41598-017-11965-9.

      • M. Schnucklake, S. Kücken, A. Fetyan, J. Schmidt, A. Thomas, C. Roth, Salt templated porous carbon carbon composite electrodes for application in vanadium redox flow batteries, J. Mater. Chem. A, (2017), 5, 25193-25199, DOI: 10.1039/C7TA07759A.

      • B. Peter, D. Stoeckel, T. Scherer, C. Kuebel, C. Roth, 3D porous electrode structure composed of chemically identical N-doped carbon supports of various shape and its effect on PEMFC performance, in preparation.

      • I. Derr, D. Przyrembel, J. Schweer, A. Fetyan, J. Langner, J. Melke, M. Weinelt, C. Roth, Electroless chemical aging of carbon felt electrodes for the all-vanadium redox flow battery (VRFB) investigated by Electrochemical Impedance and X-ray Photoelectron Spectroscopy, Electrochim. Acta 246 (2017) 783-793. DOI: 10.1016/j.electacta.2017.06.050.

      • J. Melke, D. Dixon, L. Riekehr, J. Langner, C. Lentz, H. Sezen, A. Nefedov, C. Wöll, H. Ehrenberg, C. Roth, Enhancing the Stability and the Activity of a Platinum Based Fuel Cell Cathode by Tetradecyltrimethylammonium Bromide, ACS Appl. Mater. Interfaces (2017) in review.

      • M. K. Kayarkatte, O. Delikaya, C. Roth, Free-standing catalyst layers: A novel electrode fabrication technique for PEM fuel cells via electrospinning, Chemelectrochem 4 (2017) 404-411, DOI: 10.1002/celc.201600530.

      • F. Muench, L. Sun, T. Kottakkat, M. Antoni, S. Schaefer, U. Kunz, L. Molina-Luna, M. Duerrschnabel, H. -J. Kleebe, S. Ayata, C. Roth, W. Ensinger, Free-standing Networks of Core–Shell Metal and Metal Oxide Nanotubes for Glucose Sensing, ACS Appl. Mater. Interfaces 9 (2017) 771-781, DOI: 10.1021/acsami.6b13979.

      • I. Derr, A. Fetyan, K. Schutjajew, C. Roth, Electrochemical analysis of the performance loss in all vanadium redox flow batteries using different cut-off voltages, Electrochimica Acta. 224 (2017) 9–16. DOI:10.1016/j.electacta.2016.12.043.

      • C. Lentz, S. Panahijan Jand, J. Melke, C. Roth, and P. Kaghazchi, “DRIFTS Study of CO Adsorption on Pt Nanoparticles Supported by DFT Calculations”, J. Mol. Catal A Chem. 426, pp. 1-9, (2017) DOI:10.1016/j.molcata2016.10.002.

      • G. A. El-Nagar, I. Derr, A. Fetyan, C. Roth, One-pot synthesis of a high performance chitosan-nickel oxyhydroxide nanocomposite for glucose fuel cell and electro-sensing applications, Applied Catalysis B: Environmental, 204 (2017) 185-199. Doi:10.1016/j.apcatb.2016.11.031

      • G. A. El-Nagar, C. Roth, Enhanced electrooxidation of glucose at nano-chitosan-NiOOH modified GC electrode: fuel blends and hydrocarbon impurities, Phys. Chem. Chem. Phys. 19 (2017) 2537-2548, DOI: 10.1039/C6CP08360A.


      • G. A. El-Nagar, C. Roth, Impurity-induced electrocatalysis: Unpredicted enhancement effect of ammonia impurity towards formic acid electro-oxidation, Chem. Select. 18 (2016) 5706-5711, DOI: 10.1002/slct.201601149.

      • K. Bachtin, M. Kaus, S. Indris, M. Knapp, C. Roth, H. Ehrenberg, "Comparison of Electrospun and Conventional LiFePO4/C composite Cathodes for Li-ion Batteries", Materials Science and Engineering B (2016), DOI: 10.1016/j.mseb.2016.04.006.

      • I. Derr, M. Bruns, J. Langner, A. Fetyan, J. Melke, C. Roth, „Degradation of all-vanadium redox flow batteries (VRFB) investigated by electrochemical impedance and X-ray photoelectron spectroscopy: Part 2 electrochemical degradation, Journal of Power Sources 325 (2016) 351-359

      • J. Langner, M. Bruns, D. Dixon, A. Nefedov, C. Wöll, F. Scheiba, H. Ehrenberg, C. Roth, J. Melke, Surface properties and graphitization of polyacrylonitrile based fiber electrodes affecting the negative half-cell reaction in vanadium redox flow batteries., Journal of Power Sources 321 (2016), 210 – 218. DOI: 10.1016/j.jpowsour.2016.04.128

      • C. Brieger, J. Melke, N. van der Bosch, U. Reinholz, H. Riesemeier, A. Guilherme Buzanich, M. Krishna Kayarkatte, I. Derr, A. Schökel, C. Roth, A combined in-situ XAS-DRIFTS study unraveling adsorbate induced changes on the Pt nanoparticle structure, Journal of Catalysis 339, (2016), pp. 57 - 67

      • D. Burow, K. Sergeeva, S. Calles, K. Schorb, C. Roth, P. Heitjans, Inhomogeneous degradation of graphite anodes in automotive lithium ion batteries under low-temperature pulse cycling conditions, J. Power Sources 307 (2016) 806-814, DOI information10.1016/j.jpowsour.2016.01.03

      • J. Melke, B. Peter, A. Habereder, J. Ziegler, C. Fasel, A. Nefedov, H. Sezen, C. Wöll, H. Ehrenberg, C. Roth, Metal-support interactions of platinum nanoparticles deposited on polyaniline and N-doped carbon nanofibres, ACS Appl. Mater. Interfaces 8 (2016) 82-90, DOI: 10.1021/acsami.5b06225.

      • A. Schoekel, J. Melke, M. Bruns, K. Wippermann, F. Kuppler, C. Roth, „Quantitative study of ruthenium cross-over in direct methanol fuel cells during early operation hours“, J. Power Sources (2016), 301, 210 – 218.


      • K. M. Caldwell, S. Kaserer, C. Roth, D. Ramaker, Following adsorbate coverage on the anode of high temperature PEM fuel cells in the presence of CO and H2O using in-operando x-ray absorption spectroscopy, Chemelectrochem (2015), 2 (10) 1502 - 1509.

      • D. E. Ramaker and C. Roth, The nature of the intermediate binding sites in the hydrogen oxidation/evolution over Pt surfaces important to fuel cell and electrolysis in alkaline and acidic media, Chemelectrochem (2015), 2 (10), 1582 - 1594.

      • A. Fetyan, I. Derr, M. K. Kayarkatte, J. Langner, D. Bernsmeier, R. Kraehnert and C. Roth, Electro-Spun Based Carbon Nano-Fibers as Alternative electrode Materials for Vanadium Redox Flow Batteries, ChemElectroChem (DOI 10.1002/celc.201500284)

      • K. Kleiner, D. Dixon, P. Jakes, J. Melke, M. Yavuz, C. Roth, K. Nikolowski, V. Liebau, H. Ehrenberg, Fatigue of LiNi0.8Co0.15Al0.05O2 in commercial Li ion batteries J. Power Sources 273 (2015) 70 - 82.

      • C. Roth, S. Kaserer, C. Brieger, K. M. Caldwell, J. Melke, and D. E. Ramaker, The Power of In-Situ Studies: How X-ray Absorption Spectroscopy can help to develop PEMFC Catalysts with Increased Activity and Stability, ECST (2015) 69 (17): 147 - 56, doi: 10.1149/06917.0147ecst

      • C. Brieger, J. Melke, P. Kaghazchi, and C. Roth, CO Adsorption on Platinum Nanoparticles - the Importance of Size Distribution Studied with In-Situ DRIFTS and DFT Calculations, ECST (2015), 69 (17): 249-53m, doi: 10.1149/06917.0249ecst

      • D. E. Ramaker and C. Roth, The nature of the intermediate binding sites in the hydrogen oxidation/evolution over Pt surfaces important to fuel cell and electrolysis in alkaline and acidic media, Chemelectrochem (2015), 2 (10), 1582 - 1594.

      • K. M. Caldwell, S. Kaserer, C. Roth, D. Ramaker, Following adsorbate coverage on the anode of high temperature PEM fuel cells in the presence of CO and H2O using in-operando x-ray absorption spectroscopy, Chemelectrochem (2015), 2 (10) 1502 - 1509.


      • F. Muench, T. Seidl, M. Rauber, B. Peter, J. Brotz, M. Krause, C. Trautmann, C. Roth, S. Katusic, W. Ensinger, Hierarchically porous carbon membranes containing designed nanochannel architectures obtained by pyrolysis of ion-track etched polyimide, Materials Chemistry and Physics 148 (3) (2014) 846 – 853.

      • J. Melke, P. Jakes, J. Langner, L. Riekehr, U. Kunz, Z. Zhao-Karge, A. Nefedov, H. Sezen, C. Wöll, H. Ehrenberg, C. Roth, Carbon Materials for the positive electrode in all-Vanadium Redox Flow Batteries, Carbon 78 (2014) 220–230.

      • B. Peter, J. Melke, F. Muench, W. Ensinger, C. Roth, Stable platinum nanostructures on nitrogen-doped carbon obtained by high-temperature synthesis for use in PEMFC, J. Appl. Electrochem. (2014) DOI 10.1007/s10800-014-0664-4.

      • J. Langner, J. Melke, H. Ehrenberg, C. Roth, Determination of Overpotentials in All Vanadium Redox Flow Batteries, ECS Transactions, Volume 58 (2014).

      • D. E. Ramaker, A. Korovina, V. Croze, J. Melke, C. Roth, Following ORR intermediates adsorbed on a Pt cathode catalyst during break-in of a PEM fuel cell by in operando X-ray absorption spectroscopy, Phys. Chem. Chem. Phys. 16 (27) (2014) 13645-13653.

      • K. Froelich, H. Rauner, F. Scheiba, C. Roth, H. Ehrenberg, Welding of Nafion® - the influence of time, temperature and pressure, J. Power Sources (2014) in print.

      • C. Roth, P. Bleith, C. A. Schwoebel, S. Kaserer, J. Eichler, Importance of Fuel Cell Tests for Stability Assessment-Suitability of Titanium Diboride as an Alternative Support Material, Energies 7 (6) (2014) 3642-3652.


      • S. Kaserer, K. M. Caldwell, D. E. Ramaker, C. Roth, „Analyzing the Influence of H3PO4 as Catalyst Poison in High Temperature PEM Fuel Cells Using in-operando X-ray Absorption Spectroscopy”, J. Phys. Chem. C 117, 6210-6217, (2013)

      • F. Muench, M. Oezaslan, M. Rauber, S. Kaserer, A. Fuchs, E. Mankel, J. Brötz, P. Strasser, C. Roth, W. Ensinger, “Electroless Synthesis of Nanostructured Nickel and Nickel-Boron Tubes and their Performance as Unsupported Ethanol Electrooxidation Catalysts”, Journal of Power Sources 222(2013), 243 – 252.

      • S. Kaserer, C. Rakousky, J. Melke, C. Roth, “Design of a reference electrode for high-temperature PEM fuel cells” J. Appl. Electrochem. (2013) DOI: 10.1007/s10800-013-0567-9.

      • D. Dixon, J. Melke, M. Botros, J. Rathore, H. Ehrenberg, C. Roth, „Increase of catalyst utilization in polymer electrolyte membrane fuel cells by shape-selected Pt nanoparticles“, Int. Journal of Hydrogen Energy 38 (2013) 13393 – 13398.


      • H. Nuss, C. Roth, Solid State Chemistry 2011, Nachrichten aus der Chemie 60 (3) (2012) 251-264.

      • J. Melke, A. Schoekel, D. Gerteisen, D. Dixon, F. Ettingshausen, C. Cremers, C. Roth, and D. E. Ramaker, “Electrooxidation of Ethanol on Pt. An in situ and time-resolved XANES study”, J. Phys. Chem. C 116 (4) (2012) 2838–2849.

      • A. Habereder, D. Dixon, M. Farmand, S. Kaserer, C. Roth, D. E. Ramaker, „Space resolved, in operando X-ray absorption spectroscopy: Investigations on both the anode and cathode in a direct methanol fuel cell“, J. Phys. Chem. C, 116 (13) (2012) 7587-7595.

      • A. Wolz, S. Zils, D. Ruch, N. Kotov, C. Roth, M. Michel, “Incorporation of Indium Tin Oxide Nanoparticles in PEMFC Electrodes”, Adv. Energy Mater. 2, 569-574, (2012) doi: 10.1002/aenm.201100711.

      • H. Butsch, C. Roth, D. Ritzinger, A. Helmboldt, G. Hoogers, A. Bock, "Spatially resolved contact pressure and contact resistance measurements at the gas diffusion layer - a novel tool for PEM fuel cell development", J. Electrochem. Soc. (2012) accepted.


      • F. Ettingshausen, J. Kleemann, A. Marcu, G. Toth, H. Fuess, C. Roth, ’Dissolution and migration of platinum in PEMFCs investigated for start/stop cycling and high potential degradation’, Fuel Cells 11 (2011) 238-245.

      • F. Ettingshausen, J. Suffner, S. Kaserer, H. Hahn, C. Roth, ’Sb-doped SnO2 hollow spheres offering micro and nano porosity for the fuel cell electrode structure’, Advanced Energy Materials 1 (4) (2011) 648-654, DOI: 10.1002/aenm.201100077.

      • M. Soehn, S. Zils, N. Nicoloso, C. Roth, ’Effective debundling of CNTs and simultaneous synthesis of Pt nanoparticles by Nafion® induced emulsions’, J. Power Sources 196 (2011), 6079-6084.

      • D. Dixon, K. Wippermann, J. Mergel, A. Schoekel, S. Zils, C. Roth, ’Degradation effects at the methanol inlet, outlet and center region of a stack MEA operated in DMFC’, J. Power Sources 196 (2011) 5538-5545.

      • F. Muench, S. Kaserer, U. Kunz, I. Svoboda, S. Lauterbach, H.-J. Kleebe, C. Roth, W. Ensinger, ’Electroless synthesis of platinum and platinum-ruthenium nanotubes and their application in methanol oxidation’, J. Mater. Chem. 21 (2011) 6286-6291.

      • M. Rauber, I. Alber, S. Müller, R. Neumann, O. Picht, C. Roth, A. Schoekel, M. E. Toimil-Molares, W. Ensinger, “Highly-ordered supportless 3-D nanowire networks with tuneable complexity and interwire connectivity for device integration”, Nano Letters 11 (6) (2011) 2304-2310.


      • V. Croze, F. Ettingshausen, J. Melke, M. Soehn, D. Stuermer, C. Roth, ’The use of in-situ X-ray absorption spectroscopy in applied fuel cell research’, J. Appl. Electrochem. 40 (2010) 877-883.

      • J. Melke, A. Schoekel, D. Dixon, C. Cremers, D. E. Ramaker, C. Roth, ’Ethanol oxidation on carbon-supported Pt, PtRu and PtSn catalysts studied by operando x-ray absorption spectroscopy’, J. Phys. Chem. C 114 (2010) 5914-5925.

      • J. Arras, E. Paki, C. Roth, J. Radnik, M. Lucas, P. Claus, ’How a supported metal is influenced by an ionic liquid: In-depth characterization of SCILL-type palladium catalysts and their hydrogen adsorption’, J. Phys. Chem. C 114 (2010), 10520-10526.

      • A. Wolz, S. Zils, M. Michel, C. Roth, ’Structured multilayered electrodes of proton/electron conducting polymer for Polymer Electrolyte Membrane Fuel Cells assembled by spray coating’, J. Power Sources 195 (2010) 8162-8167.

      • D. Dixon, A. Schröder, A. Schökel, M. Söhn, I. Manke, N. Kardjilov, T. Sanders, V. Loos, G. Hoogers, K. Wippermann, D. Stolten, C. Roth, ’Design of in-situ experimentation for the study of fuel cells with X-rays and neutrons’, MP Materials Testing 10 (2010) 725-735.

      • M. Michel, J. Bour, J. Petersen, C. Arnoult, F. Ettingshausen, C. Roth, D. Ruch, ’Atmospheric plasma deposition: A new pathway in the design of conducting polymer-based anodes for hydrogen fuel cells’, Fuel Cells 10 (2010) 932-937.

      • S. Zils, A. Wolz, M. Michel, C. Roth, ’Multilayer Designed ionomer-Free Electrodes for Polymer Electrolyte Membrane Fuel Cells’, Electrochem. Soc. Trans. 28 (2010) 33-42.

      • F. Scheiba, U. Kunz, H. Butsch, S. Zils, H. Fuess, C. Roth, ’Imaging of the GDL-electrode interface in PEMFC using Wood’s metal intrusion’, Electrochem. Soc. Trans. 28 (2010) 85-92.

      • G. Sevjidsuren, S. Zils, S. Kaserer, A. Wolz, F. Ettingshausen, D. Dixon, A. Schoekel, C. Roth, P. Altantsog, D. Sangaa, C. Ganzorig, ’Effect of different support morphology and Pt particle sizes in electrocatalysts for fuel cell applications’, Journal of Nanomaterials (2010) doi:10.1155/2010/852786.

      • S. Zils, M. Timpel, T. Arlt, A. Wolz, I. Manke, C. Roth, ’3D visualization of PEMFC electrode structures using FIB nanotomography’, Fuel Cells 10 (2010) 966-972.


M. Carmo, T. Roepke, C. Roth, A. M. Dos Santos, J. G. Rocha Poco, M. Linardi, ’A novel electrocatalyst support with proton conductive properties for polymer electrolyte membrane fuel cell applications’, J. Power Sources 191 (2009) 330-337.

M. Carmo, T. Roepke, F. Scheiba, C. Roth, S. Moeller, H. Fuess, J. G. R. Poco, M. Linardi, ’The use of a dynamic hydrogen electrode as an electrochemical tool to evaluate plasma activated carbon as electrocatalyst support for direct methanol fuel cell’, Mat. Res. Bull. 44 (2009) 51-56.

F. Ettingshausen, J. Kleemann, M. Michel, M. Quintus, H. Fuess, C. Roth, ’ Spatially resolved degradation effects in membrane-electrode-assemblies of vehicle aged polymer electrolyte membrane fuel cell stacks’, J. Power Sources 194 (2009) 899-907.

F. Ettingshausen, A. Weidner, S. Zils, A. Wolz, J. Suffner, M. Michel, C. Roth, ’Alternative support materials for fuel cell catalysts’, ECS Transactions 25 (9) (2009) 1883-1892.


      • C. Roth, N. Benker, R. Theissmann, R. J. Nichols, D. J. Schiffrin, ’Bifunctional electrocatalysis in Pt-Ru nanoparticle systems’, Langmuir 24 (2008) 2191-2199.

      • F. Scheiba, N. Benker, U. Kunz, C. Roth, H. Fuess, ’Electron microscopy techniques for the analysis of the polymer electrolyte distribution in proton exchange membrane fuel cells’, J. Power Sources 177 (2008) 273-280.

      • A. R. dos Santos, M. Carmo, A. Oliveira-Neto, E. V. Spinace, J. G. R. Poco, C. Roth, H. Fueß, M. Linardi, ’Electrochemical and impedance spectroscopy studies in H-2/O-2 and methanol/O-2 proton exchange membrane fuel cells’, Ionics 14 (2008) 43-51.

      • M. Michel, F. Ettingshausen, F. Scheiba, A. Wolz, C. Roth, ’Using layer-by-layer assembly of polyaniline fibers in the fast preparation of high performance fuel cell nanostructured membrane electrodes’, Phys. Chem. Chem. Phys. 10 (2008) 3796-3801.

      • M. Steffan, F. Klasovsky, J. Arras, C. Roth, J. Radnik, H. Hofmeister, P. Claus, ’Carbon-carbon double bond versus carbonyl group hydrogenation: Controlling the intramolecular selectivity with polyaniline-supported platinum catalysts’, Adv. Synth. Catal. 350 (2008) 1337-1348.

      • F. Klasovsky, J. Hohmeyer, A. Brückner, M. Bonifer, J. Arras, M. Steffan, M. Lucas, J. Radnik, C. Roth, P. Claus, ’Catalytic and mechanistic investigation of polyaniline supported PtO2 nanoparticles: A combined in situ / operando EPR, DRIFTS, and EXAFS study’, J. Phys. Chem. C 112 (49) (2008) 19555-19559.


      • C. Roth, N. Benker, M. Mazurek, F. Scheiba, H. Fuess, ’Pt-Ru fuel cell catalysts subjected to H2, CO, N2 and air atmosphere: an X-ray absorption study’, Appl. Catalysis A 319 (2007) 81-90.

      • F. J. Scott, C. Roth, D. E. Ramaker, ’The kinetics of CO poisoning in simulated reformate and effect of Ru island morphology on PtRu fuel cell catalysts as determined by operando XANES’, J. Phys. Chem. C 111 (2007) 11403-11413.

      • C. Roth, N. Benker, S. Zils, R. Chenitz, A. Issanin, H. Fuess, ’Oxidation behaviour of ruthenium in the presence of platinum’, Z. Phys. Chem. 221 (2007) 1549-1567.


      • M. Mazurek, N. Benker, C. Roth, Th. Buhrmester, H. Fuess, ‘Electrochemical Impedance and X-ray absorption spectroscopy (EXAFS) as in-situ methods to study the PEMFC anode’, Fuel Cells 6 (1) (2006) 16-20.

      • N. Benker, C. Roth, M. Mazurek, H. Fuess, ’Synthesis and characterisation of ternary Pt/Ru/Mo catalysts for the anode of the PEM fuel cell’, J. New Mat. Electrochem. Sys. 9, 2006, 121-126.

      • M. Mazurek, N. Benker, C. Roth, H. Fuess, ’Structural and electrochemical investigation of binary mixtures of carbon-supported Pt and Ru catalysts for PEM fuel cells’, Fuel Cells 6 (2006) 208-213.

      • F. Scheiba, M. Scholz, C. Lin, C. Roth, C. Cremers, X. Qiu, U. Stimming, H. Fuess, ’On the suitability of hydrous ruthenium oxide supports to enhance intrinisic proton conductivity in direct methanol anodes’, Fuel Cells 6 (2006) 439-446.

      • L. Cao, F. Scheiba, C. Roth, F. Schweiger, C. Cremers, U. Stimming, H. Fuess, L. Chen, W. Zhu, X. Qiu, ’Novel nano-composite Pt/RuO2•xH2O/CNT catalysts for DMFC’, Angew. Chem. Int. Ed. 45 (2006) 5315-5319.


      • N. Martz, C. Roth, H. Fuess, ‘Characterisation of different Pt/metal/complex catalysts as anode catalysts for the PEM fuel cell’, J. Appl. Electrochem. 35 (1) (2005) 85-90.

      • C. Roth, A. J. Papworth, I. Hussain, R. J. Nichols, D. J. Schiffrin, ‘A Pt-Ru nanoparticulate model system to study the bifunctional mechanism of electrocatalysis’, J. Electroanal. Chem. 581 (1) (2005) 79-85.

      • C. Roth, N. Martz, M. Mazurek, F. Scheiba, H. Fuess, ‘Development of an in-situ cell for X-ray absorption measurements during fuel cell operation’, Adv. Eng. Mat. 7 (2005) 952-956.

      • C. Roth, N. Benker, Th. Buhrmester, M. Mazurek, M. Loster, H. Fuess, D. C. Koningsberger, D. E. Ramaker, ’Determination of O(H) and CO Coverage and Adsorption sites on PtRu electrodes in an Operating PEM Fuel Cell’, J. Am. Chem. Soc. 127 (42) (2005) 14607-14615.


      • C. Roth, N. Martz, H. Fuess, ‘An X-ray diffraction and transmission electron microscopy study of Pt-Ru fuel cell catalysts before and after operation’, J. Appl. Electrochem. 34 (3) (2004) 345-348.

      • C. Roth, N. Martz, H. Fuess, ‘Challenges in the structural characterization of nanodispersed catalytic materials’, J. New Mat. Electrochem. Sys. 7 (2) (2004) 117-123.

      • C. Roth, N. Martz, A. Morlang, R. Theissmann, H. Fuess, ‘X-ray absorption studies on alloy formation in different carbon-supported Pt-Ru electrocatalysts’, Phys. Chem. Chem. Phys. 6 (13) (2004) 3557-3562.

      • C. Roth, I. Hussain, M. Bayati, R. J. Nichols, D. J. Schiffrin, ‘Fullerene-linked Pt nanoparticle assemblies’, Chem. Comm. 13 (2004) 1532-1533.


      • E. G. Franco, E. Arico, M. Linardi, C. Roth, N. Martz, H. Fuess, ‘Synthesis and characterization of electrocatalyst powders for application in PEM fuel cells’, Materials Science Forum 416-418 (2003) 4-10.


      • C. Roth, N. Martz, F. Hahn, J.-M. Leger, C. Lamy, H. Fuess, ‘Characterization of differently-synthesized Pt-Ru fuel cell catalysts by cyclic voltammetry, FTIR spectroscopy and in single cells‘, J. Electrochem. Soc. 149 (11) (2002) E433-E439.

      • C. Roth, N. Martz, Th. Buhrmester, H. Fuess, ‘In-situ XAFS fuel cell measurements of a carbon-supported Pt-Ru anode electrocatalyst in hydrogen and direct methanol operation’, Phys. Chem. Chem. Phys. 4 (2002) 3555-3557.


    • C. Roth, N. Martz, H. Fuess, ‘Characterization of different Pt-Ru catalysts by X-ray diffraction and transmission electron microscopy’, Phys. Chem. Chem. Phys. 3 (2001) 315-319.

    • C. Roth, M. Goetz, H. Fuess, ‘Synthesis and characterization of carbon-supported Pt-Ru-WOx catalysts by spectroscopy and diffraction methods’, J. Electrochem. Soc. 31 (2001) 793-798.