Publications of Hyosang Jeon

Yoon, A.; Bai, L.; Yang, F.; Franco, F.; Zhan, C.; Rüscher, M.; Timoshenko, J.; Pratsch, C.; Werner, S.; Jeon, H. et al.; Monteiro, M. C. O.; Chee, S. W.; Roldan Cuenya, B.: Revealing catalyst restructuring and composition during nitrate electroreduction through correlated operando microscopy and spectroscopy. Nature Materials (2025)

Martini, A.; Timoshenko, J.; Grosse, P.; Rettenmaier, C.; Hursán, D.; Deplano, G.; Jeon, H.; Bergmann, A.; Roldan Cuenya, B.: Adsorbate Configurations in Ni Single-Atom Catalysts during CO₂ Electrocatalytic Reduction Unveiled by Operando XAS, XES, and Machine Learning. Physical Review Letters 133 (22), 228001 (2024)

Herzog, A.; Rüscher, M.; Jeon, H.; Timoshenko, J.; Rettenmaier, C.; Hejral, U.; Davis, E.; Haase, F.; Kordus, D.; Kühl, S. et al.; Frandsen, W.; Bergmann, A.; Roldan Cuenya, B.: Time-resolved operando insights into the tunable selectivity of Cu–Zn nanocubes during pulsed CO₂ electroreduction. Energy & Environmental Science 17 (19), pp. 7081 - 7096 (2024)

Herzog, A.; Lopez-Luna, M.; Jeon, H.; Rettenmaier, C.; Grosse, P.; Bergmann, A.; Roldan Cuenya, B.: Operando Raman spectroscopy uncovers hydroxide and CO species enhance ethanol selectivity during pulsed CO₂ electroreduction. Nature Communications 15, 3986 (2024)

Bai, L.; Franco, F.; Timoshenko, J.; Rettenmaier, C.; Scholten, F.; Jeon, H.; Yoon, A.; Rüscher, M.; Herzog, A.; Haase, F. et al.; Kühl, S.; Chee, S. W.; Bergmann, A.; Roldan Cuenya, B.: Electrocatalytic Nitrate and Nitrite Reduction toward Ammonia using Cu₂O Nanocubes: Active Species and Reaction Mechanisms. Journal of the American Chemical Society 146 (14), pp. 9665 - 9678 (2024)

Haase, F.; Ortega, E.; Saddeler, S.; Schmidt, F.; Cruz, D.; Scholten, F.; Rüscher, M.; Martini, A.; Jeon, H.; Herzog, A. et al.; Hejral, U.; Davis, E.; Timoshenko, J.; Knop-Gericke, A.; Lunkenbein, T.; Schulz, S.; Bergmann, A.; Roldan Cuenya, B.: Role of Fe Decoration on the Oxygen Evolving State of Co₃O₄ Nanocatalysts. Energy & Environmental Science 17 (5), pp. 2046 - 2058 (2024)

Peng, Y.; Zhan, C.; Jeon, H.; Frandsen, W.; Roldan Cuenya, B.; Kley, C.: Organic Thin Films Enable Retaining the Oxidation State of Copper Catalysts during CO₂ Electroreduction. ACS Applied Materials and Interfaces 16 (5), pp. 6562 - 6568 (2024)

Hursán, D.; Timoshenko, J.; Ortega, E.; Jeon, H.; Rüscher, M.; Herzog, A.; Rettenmaier, C.; Chee, S. W.; Martini, A.; Koshy, D. et al.; Roldan Cuenya, B.: Reversible Structural Evolution of Metal-Nitrogen-Doped Carbon Catalysts During CO₂ Electroreduction: An Operando X-ray Absorption Spectroscopy Study. Advanced Materials 36 (4), 2307809 (2024)

Rettenmaier, C.; Herzog, A.; Casari, D.; Rüscher, M.; Jeon, H.; Kordus, D.; Lopez-Luna, M.; Kühl, S.; Hejral, U.; Davis, E. et al.; Chee, S. W.; Timoshenko, J.; Alexander, D. T.L.; Bergmann, A.; Roldan Cuenya, B.: Operando insights into correlating CO coverage and Cu-Au alloying with the selectivity of Au NP-decorated Cu₂O nanocubes during the electrocatalytic CO₂ reduction. EES Catalysis 2 (1), pp. 311 - 323 (2024)

Yang, F.; Lopez-Luna, M.; Haase, F.; Escalera Lopez, D.; Yoon, A.; Rüscher, M.; Rettenmaier, C.; Jeon, H.; Ortega, E.; Timoshenko, J. et al.; Bergmann, A.; Chee, S. W.; Roldan Cuenya, B.: Spatially and Chemically Resolved Visualization of Fe Incorporation into NiO Octahedra during the Oxygen Evolution Reaction. Journal of the American Chemical Society 145 (39), pp. 21465 - 21474 (2023)

Timoshenko, J.; Haase, F.; Saddeler, S.; Rüscher, M.; Jeon, H.; Herzog, A.; Hejral, U.; Bergmann, A.; Schulz, S.; Roldan Cuenya, B.: Deciphering the Structural and Chemical Transformations of Oxide Catalysts during Oxygen Evolution Reaction Using Quick X-ray Absorption Spectroscopy and Machine Learning. Journal of the American Chemical Society 145 (7), pp. 4065 - 4080 (2023)

Haase, F.; Bergmann, A.; Jones, T.; Timoshenko, J.; Herzog, A.; Jeon, H.; Rettenmaier, C.; Roldan Cuenya, B.: Size effects and active state formation of cobalt oxide nanoparticles during the oxygen evolution reaction. Nature Energy 7 (8), pp. 765 - 773 (2022)

Haase, F.; Rabe, A.; Schmidt, F.; Herzog, A.; Jeon, H.; Frandsen, W.; Narangoda, P. V.; Spanos, I.; Ortega, K. F.; Timoshenko, J. et al.; Lunkenbein, T.; Behrens, M.; Bergmann, A.; Schlögl, R.; Roldan Cuenya, B.: Role of Nanoscale Inhomogeneities in Co₂FeO₄ Catalysts during the Oxygen Evolution Reaction. Journal of the American Chemical Society 144 (27), pp. 12007 - 12019 (2022)

Rüscher, M.; Herzog, A.; Timoshenko, J.; Jeon, H.; Frandsen, W.; Kühl, S.; Roldan Cuenya, B.: Tracking heterogeneous structural motifs and the redox behaviour of copper-zinc nanocatalysts for the electrocatalytic CO₂ reduction using operando time resolved spectroscopy and machine learning. Catalysis Science & Technology 12 (9), pp. 3028 - 3043 (2022)

Timoshenko, J.; Bergmann, A.; Rettenmaier, C.; Herzog, A.; Aran Ais, R.; Jeon, H.; Haase, F.; Hejral, U.; Grosse, P.; Kühl, S. et al.; Davis, E.; Tian, J.; Magnussen, O.; Roldan Cuenya, B.: Steering the structure and selectivity of CO₂ electroreduction catalysts by potential pulses. Nature Catalysis 5 (4), pp. 259 - 267 (2022)

Li, C.; Ju, W.; Vijay, S.; Timoshenko, J.; Mou, K.; Cullen, D. A.; Yang, J.; Wang, X.; Pachfule, P.; Brückner, S. et al.; Jeon, H.; Haase, F.; Tsang, S.-C.; Rettenmaier, C.; Chan, K.; Roldan Cuenya, B.; Thomas, A.; Strasser, P.: Covalent Organic Framework (COF) derived Ni-N-C Catalysts for Electrochemical CO₂ Reduction: Unraveling Fundamental Kinetic and Structural Parameters of the Active Sites. Angewandte Chemie International Edition 61 (15), e202114707 (2022)

Li, C.; Ju, W.; Vijay, S.; Timoshenko, J.; Mou, K.; Cullen, D. A.; Yang, J.; Wang, X.; Pachfule, P.; Brückner, S. et al.; Jeon, H.; Haase, F.; Tsang, S.-C.; Rettenmaier, C.; Chan, K.; Roldan Cuenya, B.; Thomas, A.; Strasser, P.: Covalent Organic Framework (COF) derived Ni-N-C Catalysts for Electrochemical CO₂ Reduction: Unraveling Fundamental Kinetic and Structural Parameters of the Active Sites. Angewandte Chemie 134 (15), e202114707 (2022)

Saddeler, S.; Bendt, G.; Salamon, S.; Haase, F.; Landers , J.; Timoshenko, J.; Rettenmaier, C.; Jeon, H.; Bergmann, A.; Wende, H. et al.; Roldan Cuenya, B.; Schulz, S.: Influence of the cobalt content in cobalt iron oxides on the electrocatalytic OER activity. Journal of Materials Chemistry A 9 (45), pp. 25381 - 25390 (2021)

Jeon, H.; Timoshenko, J.; Rettenmaier, C.; Herzog, A.; Yoon, A.; Chee, S. W.; Oener, S.; Hejral, U.; Haase, F.; Roldan Cuenya, B.: Selectivity control of Cu nanocrystals in a gas-fed flow cell through CO₂ pulsed electroreduction. Journal of the American Chemical Society 143 (19), pp. 7578 - 7587 (2021)

Herzog, A.; Bergmann, A.; Jeon, H.; Timoshenko, J.; Kühl, S.; Rettenmaier, C.; Lopez-Luna, M.; Haase, F.; Roldan Cuenya, B.: Operando Investigation of Ag‐Decorated Cu₂O Nanocube Catalysts with Enhanced CO₂ Electroreduction toward Liquid Products. Angewandte Chemie International Edition 60 (13), pp. 7426 - 7435 (2021)