UniSysCat Publications

• Operando Insights into correlating CO coverage and Cu–Au alloying with the selectivity of Au NP-decorated Cu₂O nanocubes during the electrocatalytic CO₂ reduction, C. Rettenmaier, A. Herzog, D. Casari, M. Rüscher, H. S. Jeon, D. Kordus, M. Lopez Luna, S. Kühl, U. Hejral, E. M. Davis, S. W. Chee, J. Timoshenko, D. T. L. Alexander, A. Bergmann, B. Roldan Cuenya, EES Catalysis 2024, 2, 311–323, 10.1039/d3ey00162h
• Enhanced Methanol Synthesis from CO₂ Hydrogenation Achieved by Tuning the Cu–ZnO Interaction in ZnO/Cu O Nanocube Catalysts Supported on ZrO₂ and SiO₂, D. Kordus, S. Widrinna, J. Timoshenko, M. Lopez Luna, C. Rettenmaier, S. W. Chee, E. Ortega, O. Karslioglu, S. Kühl, B. Roldan Cuenya, Journal of the American Chemical Society 2024, 146, 8677–8687, 10.1021/jacs.4c01077
• Correlative In Situ Spectro-Microscopy of Supported Single CuO Nanoparticles: Unveiling the Relationships between Morphology and Chemical State during Thermal Reduction, L. de Souza Caldas, M. J. Prieto, L. C. Tănase, A. Tiwari, T. Schmidt, B. Roldan Cuenya, ACS Nano 2024, 18, 13714–13725, 10.1021/acsnano.4c01460
• Exploring dynamic solvation kinetics at electrocatalyst surfaces, F. Sarabia, C. Gomez Rodellar, B. Roldan Cuenya, S. Z. Oener, Nature Communications 2024, 15, 8204–0, 10.1038/s41467-024-52499-9
• Time-resolved insights into the tunable selectivity of Cu–Zn nanocubes during pulsed CO₂ electroreduction, A. Herzog, M. Rüscher, H. S. Jeon, J. Timoshenko, C. Rettenmaier, U. Hejral, E. M. Davis, F. T. Haase, D. Kordus, S. Kühl, W. Frandsen, A. Bergmann, B. Roldan Cuenya, Energy & Environmental Science 2024, 17, 7081–7096, 10.1039/d4ee02308k
• Shape-Dependent CO₂ Hydrogenation to Methanol over Cu₂ O Nanocubes Supported on ZnO, D. Kordus, J. Jelic, M. Lopez Luna, N. J. Divins, J. Timoshenko, S. W. Chee, C. Rettenmaier, J. Kröhnert, S. Kühl, A. Trunschke, R. Schlögl, F. Studt, B. Roldan Cuenya, Journal of the American Chemical Society 2023, 145, 3016–3030, 10.1021/jacs.2c11540
• Cationic Copper Species Stabilized by Zinc during the Electrocatalytic Reduction of CO₂ Revealed by In Situ X‐Ray Spectroscopy, J. Velasco‐Vélez, J. Poon, D. Gao, C. Chuang, A. Bergmann, T. E. Jones, S. Haw, J. Chen, E. Carbonio, R. V. Mom, D. Ivanov, R. Arrigo, B. Roldan Cuenya, A. Knop‐Gericke, R. Schlögl, Advanced Sustainable Systems 2023, 7, 2200453–0, 10.1002/adsu.202200453
• Assessment of the Degradation Mechanisms of Cu Electrodes during the CO₂ Reduction Reaction, R. V. Mom, L. E. Sandoval-Diaz, D. Gao, C. H. Chuang, E. A. Carbonio, T. E. Jones, R. Arrigo, D. Ivanov, M. Hävecker, B. Roldan Cuenya, R. Schlögl, T. Lunkenbein, A. Knop-Gericke, J. J. Velasco-Vélez, ACS Applied Materials & Interfaces 2023, 15, 30052–30059, 10.1021/acsami.2c23007
• Unraveling surface structures of gallium promoted transition metal catalysts in CO₂ hydrogenation, S. W. Lee, M. L. Luna, N. Berdunov, W. Wan, S. Kunze, S. Shaikhutdinov, B. Roldan Cuenya, Nature Communications 2023, 14, 4649–0, 10.1038/s41467-023-40361-3
• Interaction of Gallium with a Copper Surface: Surface Alloying and Formation of Ordered Structures, S. W. Lee, A. Subramanian, F. B. Zamudio, J. Q. Zhong, S. M. Kozlov, S. Shaikhutdinov, B. Roldan Cuenya, The Journal of Physical Chemistry C 2023, 127, 20700–20709, 10.1021/acs.jpcc.3c05711
• Tracking the phase changes in micelle-based NiGa nanocatalysts for methanol synthesis under activation and working conditions, U. Hejral, J. Timoshenko, D. Kordus, M. Lopez Luna, N. J. Divins, S. Widrinna, I. Zegkinoglou, L. Pielsticker, H. Mistry, J. A. Boscoboinik, S. Kuehl, B. Roldan Cuenya, Journal of Catalysis 2022, 405, 183–198, 10.1016/j.jcat.2021.11.024
• Property-reactivity relations of N-doped PEM fuel cell cathode catalyst supports, S. Ott, F. Du, M. Lopez Luna, T. A. Dao, S. Selve, B. Roldan Cuenya, A. Orfanidi, P. Strasser, Applied Catalysis B: Environmental 2022, 306, 121118–0, 10.1016/j.apcatb.2022.121118
• Covalent Organic Framework (COF) Derived Ni‐N‐C Catalysts for Electrochemical CO Reduction: Unraveling Fundamental Kinetic and Structural Parameters of the Active Sites, C. Li, W. Ju, S. Vijay, J. Timoshenko, K. Mou, D. A. Cullen, J. Yang, X. Wang, P. Pachfule, S. Brückner, H. S. Jeon, F. T. Haase, S. Tsang, C. Rettenmaier, K. Chan, B. Roldan Cuenya, A. Thomas, P. Strasser, Angewandte Chemie International Edition 2022, 61, 202114707–0, 10.1002/anie.202114707
• Steering the structure and selectivity of CO₂ electroreduction catalysts by potential pulses, J. Timoshenko, A. Bergmann, C. Rettenmaier, A. Herzog, R. M. Arán-Ais, H. S. Jeon, F. T. Haase, U. Hejral, P. Grosse, S. Kühl, E. M. Davis, J. Tian, O. Magnussen, B. Roldan Cuenya, Nature Catalysis 2022, 5, 259–267, 10.1038/s41929-022-00760-z
• Tracking heterogeneous structural motifs and the redox behaviour of copper–zinc nanocatalysts for the electrocatalytic CO reduction using operando time resolved spectroscopy and machine learning, M. Rüscher, A. Herzog, J. Timoshenko, H. S. Jeon, W. Frandsen, S. Kühl, B. Roldan Cuenya, Catalysis Science & Technology 2022, 12, 3028–3043, 10.1039/D2CY00227B
• Size effects and active state formation of cobalt oxide nanoparticles during the oxygen evolution reaction, F. T. Haase, A. Bergmann, T. E. Jones, J. Timoshenko, A. Herzog, H. S. Jeon, C. Rettenmaier, B. Roldan Cuenya, Nature Energy 2022, 7, 765–773, 10.1038/s41560-022-01083-w
• Plasma Functionalization of Silica Bilayer Polymorphs, M. J. Prieto, T. Mullan, W. Wan, L. C. Tănase, L. de Souza Caldas, S. Shaikhutdinov, J. Sauer, D. Usvyat, T. Schmidt, B. Roldan Cuenya, ACS Applied Materials & Interfaces 2022, 14, 48609–48618, 10.1021/acsami.2c11491
• Adatom Bonding Sites in a Nickel‐Fe O (001) Single‐Atom Model Catalyst and O Reactivity Unveiled by Surface Action Spectroscopy with Infrared Free‐Electron Laser Light, Y. Liu, Z. Han, S. Gewinner, W. Schöllkopf, S. V. Levchenko, H. Kuhlenbeck, B. Roldan Cuenya, Angewandte Chemie International Edition 2022, 61, 202202561–0, 10.1002/anie.202202561
• Highly Stable and Reactive Platinum Single Atoms on Oxygen Plasma‐Functionalized CeO₂ Surfaces: Nanostructuring and Peroxo Effects, W. Wan, J. Geiger, N. Berdunov, M. Lopez Luna, S. W. Chee, N. Daelman, N. López, S. Shaikhutdinov, B. Roldan Cuenya, Angewandte Chemie International Edition 2022, 61, 202112640–0, 10.1002/anie.202112640
• Pt-Sn-Co nanocubes as highly active catalysts for ethanol electro-oxidation, R. Rizo, A. Bergmann, J. Timoshenko, F. Scholten, C. Rettenmaier, H. S. Jeon, Y. T. Chen, A. Yoon, A. Bagger, J. Rossmeisl, B. Roldan Cuenya, Journal of Catalysis 2021, 393, 247–258, 10.1016/j.jcat.2020.11.017
• Structural Evolution of Ga–Cu Model Catalysts for CO₂ Hydrogenation Reactions, J. Q. Zhong, S. Shaikhutdinov, B. Roldan Cuenya, The Journal of Physical Chemistry C 2021, 125, 1361–1367, 10.1021/acs.jpcc.0c09382
• Potential‐Dependent Morphology of Copper Catalysts During CO₂ Electroreduction Revealed by In Situ Atomic Force Microscopy, G. H. Simon, C. S. Kley, B. Roldan Cuenya, Angewandte Chemie International Edition 2021, 60, 2561–2568, 10.1002/anie.202010449
• Crystallographic Orientation Dependence of Surface Segregation and Alloying on PdCu Catalysts for CO₂ Hydrogenation, L. Pielsticker, I. Zegkinoglou, Z. K. Han, J. J. Navarro, S. Kunze, O. Karslıoğlu, S. V. Levchenko, B. Roldan Cuenya, The Journal of Physical Chemistry Letters 2021, 12, 2570–2575, 10.1021/acs.jpclett.1c00179
• Operando Investigation of Ag‐Decorated Cu₂O Nanocube Catalysts with Enhanced CO₂ Electroreduction toward Liquid Products, A. Herzog, A. Bergmann, H. S. Jeon, J. Timoshenko, S. Kühl, C. Rettenmaier, M. Lopez Luna, F. T. Haase, B. Roldan Cuenya, Angewandte Chemie International Edition 2021, 60, 7426–7435, 10.1002/anie.202017070
• In situ and operando electron microscopy in heterogeneous catalysis—insights into multi-scale chemical dynamics, S. W. Chee, T. Lunkenbein, R. Schlögl, B. Roldan Cuenya, Journal of Physics: Condensed Matter 2021, 33, 153001–0, 10.1088/1361-648X/abddfd
• Operando high-pressure investigation of size-controlled CuZn catalysts for the methanol synthesis reaction, N. J. Divins, D. Kordus, J. Timoshenko, I. Sinev, I. Zegkinoglou, A. Bergmann, S. W. Chee, S. Widrinna, O. Karslıoğlu, H. Mistry, M. Lopez Luna, J. Q. Zhong, A. S. Hoffman, A. Boubnov, J. A. Boscoboinik, M. Heggen, R. E. Dunin-Borkowski, S. R. Bare, B. Roldan Cuenya, Nature Communications 2021, 12, 1435–0, 10.1038/s41467-021-21604-7
• Selectivity Control of Cu Nanocrystals in a Gas-Fed Flow Cell through CO₂ Pulsed Electroreduction, H. S. Jeon, J. Timoshenko, C. Rettenmaier, A. Herzog, A. Yoon, S. W. Chee, S. Oener, U. Hejral, F. T. Haase, B. Roldan Cuenya, Journal of the American Chemical Society 2021, 143, 7578–7587, 10.1021/jacs.1c03443
• Role of the Oxide Support on the Structural and Chemical Evolution of Fe Catalysts during the Hydrogenation of CO₂, M. Lopez Luna, J. Timoshenko, D. Kordus, C. Rettenmaier, S. W. Chee, A. S. Hoffman, S. R. Bare, S. Shaikhutdinov, B. Roldan Cuenya, ACS Catalysis 2021, 11, 6175–6185, 10.1021/acscatal.1c01549
• Revealing the CO Coverage-Driven C–C Coupling Mechanism for Electrochemical CO₂ Reduction on Cu₂O Nanocubes Raman Spectroscopy, C. Zhan, F. Dattila, C. Rettenmaier, A. Bergmann, S. Kühl, R. García-Muelas, N. López, B. Roldan Cuenya, ACS Catalysis 2021, 11, 7694–7701, 10.1021/acscatal.1c01478
• Identifying Structure–Selectivity Correlations in the Electrochemical Reduction of CO₂: A Comparison of Well‐Ordered Atomically Clean and Chemically Etched Copper Single‐Crystal Surfaces, F. Scholten, K. C. Nguyen, J. P. Bruce, M. Heyde, B. Roldan Cuenya, Angewandte Chemie International Edition 2021, 60, 19169–19175, 10.1002/anie.202103102
• Plasma-assisted oxidation of Cu(100) and Cu(111), S. Kunze, L. C. Tănase, M. J. Prieto, P. Grosse, F. Scholten, L. de Souza Caldas, D. van Vörden, T. Schmidt, B. Roldan Cuenya, Chemical Science 2021, 12, 14241–14253, 10.1039/D1SC04861A
• Dynamic transformation of cubic copper catalysts during CO₂ electroreduction and its impact on catalytic selectivity, P. Grosse, A. Yoon, C. Rettenmaier, A. Herzog, S. W. Chee, B. Roldan Cuenya, Nature Communications 2021, 12, 6736–0, 10.1038/s41467-021-26743-5
• Reversible Water-Induced Phase Changes of Cobalt Oxide Nanoparticles, D. Hein, G. Wartner, A. Bergmann, M. Bernal, B. Roldan Cuenya, R. Seidel, ACS Nano 2020, 14, 15450–15457, 10.1021/acsnano.0c06066
• Enhanced Formic Acid Oxidation over SnO₂ -decorated Pd Nanocubes, C. Rettenmaier, R. M. Arán-Ais, J. Timoshenko, R. Rizo, H. S. Jeon, S. Kühl, S. W. Chee, A. Bergmann, B. Roldan Cuenya, ACS Catalysis 2020, 10, 14540–14551, 10.1021/acscatal.0c03212
• In-situ structure and catalytic mechanism of NiFe and CoFe layered double hydroxides during oxygen evolution, F. Dionigi, Z. Zeng, I. Sinev, T. Merzdorf, S. Deshpande, M. B. Lopez, S. Kunze, I. Zegkinoglou, H. Sarodnik, D. Fan, A. Bergmann, J. Drnec, J. F. d. Araujo, M. Gliech, D. Teschner, J. Zhu, W. X. Li, J. Greeley, B. Roldan Cuenya, P. Strasser, Nature Communications 2020, 11, 10.1038/s41467-020-16237-1
• Imaging electrochemically synthesized Cu2O cubes and their morphological evolution under conditions relevant to CO2 electroreduction, R. M. Arán-Ais, R. Rizo, P. Grosse, G. Algara-Siller, K. Dembélé, M. Plodinec, T. Lunkenbein, S. W. Chee, B. Roldan Cuenya, Nature Communications 2020, 11, 10.1038/s41467-020-17220-6
• Electrocatalytic CO Reduction on CuO Nanocubes: Tracking the Evolution of Chemical State, Geometric Structure, and Catalytic Selectivity using Operando Spectroscopy, T. Möller, F. Scholten, T. N. Thanh, I. Sinev, J. Timoshenko, X. Wang, Z. Jovanov, M. Gliech, B. Roldan Cuenya, A. S. Varela, P. Strasser, Angewandte Chemie 2020, 10.1002/ange.202007136
• On the Activity/Selectivity and Phase Stability of Thermally Grown Copper Oxides during the Electrocatalytic Reduction of CO₂, J. J. Velasco-Vélez, C. H. Chuang, D. Gao, Q. Zhu, D. Ivanov, H. S. Jeon, R. Arrigo, R. V. Mom, E. Stotz, H. L. Wu, T. E. Jones, B. Roldan Cuenya, A. Knop-Gericke, R. Schlögl, ACS Catalysis 2020, 10, 11510–11518, 10.1021/acscatal.0c03484
• The role of in situ generated morphological motifs and Cu(i) species in C2+ product selectivity during CO2 pulsed electroreduction, R. M. Arán-Ais, F. Scholten, S. Kunze, R. Rizo, B. Roldan Cuenya, Nature Energy 2020, 5, 317–325, 10.1038/s41560-020-0594-9
• Transition metal-based catalysts for the electrochemical CO₂ reduction: from atoms and molecules to nanostructured materials, F. Franco, C. Rettenmaier, H. S. Jeon, B. Roldan Cuenya, Chemical Society Reviews 2020, 49, 6884–6946, 10.1039/D0CS00835D
• Operando NRIXS and XAFS Investigation of Segregation Phenomena in Fe‐Cu and Fe‐Ag Nanoparticle Catalysts during CO₂ Electroreduction, S. Kunze, P. Grosse, M. Bernal Lopez, I. Sinev, I. Zegkinoglou, H. Mistry, J. Timoshenko, M. Y. Hu, J. Zhao, E. E. Alp, S. W. Chee, B. Roldan Cuenya, Angewandte Chemie International Edition 2020, 59, 22667–22674, 10.1002/anie.202010535
• Growth Dynamics and Processes Governing the Stability of Electrodeposited Size-Controlled Cubic Cu Catalysts, P. Grosse, A. Yoon, C. Rettenmaier, S. W. Chee, B. Roldan Cuenya, The Journal of Physical Chemistry C 2020, 124, 26908–26915, 10.1021/acs.jpcc.0c09105
• Electrocatalytic CO Reduction on CuO Nanocubes: Tracking the Evolution of Chemical State, Geometric Structure, and Catalytic Selectivity using Operando Spectroscopy, T. Möller, F. Scholten, T. N. Thanh, I. Sinev, J. Timoshenko, X. Wang, Z. Jovanov, M. Gliech, B. Roldan Cuenya, A. S. Varela, P. Strasser, Angewandte Chemie International Edition 2020, 59, 17974–17983, 10.1002/anie.202007136
• Key role of chemistry versus bias in electrocatalytic oxygen evolution, H. N. Nong, L. J. Falling, A. Bergmann, M. Klingenhof, H. P. Tran, C. Spöri, R. Mom, J. Timoshenko, G. Zichittella, A. Knop-Gericke, S. Piccinin, J. Pérez-Ramírez, B. Roldan Cuenya, R. Schlögl, P. Strasser, D. Teschner, T. E. Jones, Nature 2020, 587, 408–413, 10.1038/s41586-020-2908-2
• Operando Insights into Nanoparticle Transformations during Catalysis, A. Bergmann, B. Roldan Cuenya, ACS Catalysis 2019, 9, 10020–10043, 10.1021/acscatal.9b01831
• Operando Insight into the Correlation between the Structure and Composition of CuZn Nanoparticles and Their Selectivity for the Electrochemical CO Reduction, H. S. Jeon, J. Timoshenko, F. Scholten, I. Sinev, A. Herzog, F. T. Haase, B. Roldan Cuenya, Journal of the American Chemical Society 2019, 141, 19879–19887, 10.1021/jacs.9b10709
• Selective CO Electroreduction to Ethylene and Multicarbon Alcohols via Electrolyte‐Driven Nanostructuring, D. Gao, I. Sinev, F. Scholten, R. M. Arán‐Ais, N. J. Divins, K. Kvashnina, J. Timoshenko, B. Roldan Cuenya, Angewandte Chemie International Edition 2019, 58, 17047–17053, 10.1002/anie.201910155