Publications of Aram Yoon

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)

Tran, H. P.; Nong, H. N.; Zlatar, M.; Yoon, A.; Hejral, U.; Rüscher, M.; Timoshenko, J.; Selve, S.; Berger, D.; Kroschel, M. et al.; Klingenhof, M.; Paul, B.; Möhle, S.; Nasralla, K. N. N.; Escalera Lopez, D.; Bergmann, A.; Cherevko, S.; Roldan Cuenya, B.; Strasser, P.: Reactivity and Stability of Reduced Ir-Weight TiO₂-Supported Oxygen Evolution Catalysts for Proton Exchange Membrane (PEM) Water Electrolyzer Anodes. Journal of the American Chemical Society 146 (46), pp. 31444 - 31455 (2024)

Timoshenko, J.; Rettenmaier, C.; Hursán, D.; Rüscher, M.; Ortega, E.; Herzog, A.; Wagner, T.; Bergmann, A.; Hejral, U.; Yoon, A. et al.; Martini, A.; Liberra, E.; Monteiro, M. C. O.; Roldan Cuenya, B.: Reversible metal cluster formation on Nitrogen-doped carbon controlling electrocatalyst particle size with subnanometer accuracy. Nature Communications 15, 6111 (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)

Avila-Bolivar, B.; Lopez Luna, M.; Yang, F.; Yoon, A.; Montiel, V.; Solla-Gullón, J.; Chee, S. W.; Roldan Cuenya, B.: Revealing the Intrinsic Restructuring of Bi₂O₃ Nanoparticles into Bi Nanosheets during Electrochemical CO₂ Reduction. ACS Applied Materials and Interfaces 16 (9), pp. 11552 - 11560 (2024)

Nguyen, K.-L. C.; Bruce, J. P.; Yoon, A.; Navarro, J. J.; Scholten, F.; Landwehr, F.; Rettenmaier, C.; Heyde, M.; Roldan Cuenya, B.: The Influence of Mesoscopic Surface Structure on the Electrocatalytic Selectivity of CO₂ Reduction with UHV-Prepared Cu(111) Single Crystals. ACS Energy Letters 9 (2), pp. 644 - 652 (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)

Yang, F.; Lopez-Luna, M.; Haase, F.; Escalera Lopez, D.; Yoon, A.; Kosari, A.; Porcu, M.; Bergmann, A.; Roldan Cuenya, B.; Chee, S. W.: Tracking the Incorporation of Fe into NiO Electrocatalysts during Reaction with Liquid Phase Electron Microscopy and Time-Resolved Elemental Mapping. Microscopy and Microanalysis 29 (Suppl 1), pp. 1302 - 1303 (2023)

Yoon, A.; Poon, J.; Grosse, P.; Chee, S. W.; Roldan Cuenya, B.: Iodide-mediated Cu catalyst restructuring during CO₂ electroreduction. Journal of Materials Chemistry A 10 (26), pp. 14041 - 14050 (2022)

Grosse, P.; Yoon, A.; Rettenmaier, C.; Herzog, A.; Chee, S. W.; Roldan Cuenya, B.: Author Correction: Dynamic transformations of cubic copper catalysts during CO₂ electroreduction and its impact on catalytic selectivity. Nature Communications 12, 7329 (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)

Yoon, A.; Herzog, A.; Grosse, P.; Alsem, D. H.; Chee, S. W.; Roldan Cuenya, B.: Dynamic Imaging of Nanostructures in an Electrolyte with a Scanning Electron Microscope. Microscopy and Microanalysis 27 (1), pp. 121 - 128 (2021)

Grosse, P.; Yoon, A.; Rettenmaier, C.; Herzog, A.; Chee, S. W.; Roldan Cuenya, B.: Dynamic transformation of cubic copper catalysts during CO₂ electroreduction and its impact on catalytic selectivity. Nature Communications 12, 6736 (2021)

Rizo, R.; Bergmann, A.; Timoshenko, J.; Scholten, F.; Rettenmaier, C.; Jeon, H.; Chen, Y.-T.; Yoon, A.; Bagger, A.; Rossmeisl, J. et al.; Roldan Cuenya, B.: Pt-Sn-Co nanocubes as highly active catalysts for ethanol electro-oxidation. Journal of Catalysis 393, pp. 247 - 258 (2021)

Grosse, P.; Yoon, A.; Rettenmaier, C.; Chee, S. W.; Roldan Cuenya, B.: Growth Dynamics and Processes Governing the Stability of Electrodeposited Size-Controlled Cubic Cu Catalysts. The Journal of Physical Chemistry C 124 (49), pp. 26908 - 26915 (2020)

Chee, S. W.; Yoon, A.; Fu, S.-Y.; Roldan Cuenya, B.: Tracking Morphology and Chemical State of Electrocatalysts during Reaction through Correlated Electron Microscopy, X-ray Microscopy and X-ray Absorption Spectroscopy Experiments. Microscopy and Microanalysis 30 (Suppl. 1), ozae044.228, (2024)

Yoon, A.: Interpreting Contrast in Liquid Cell Scanning Electron Microscopy. Gordon Research Seminar, Liquid Phase Electron Microscopy, Ventura, CA, USA (2022)

Yoon, A.: Visualizing Structural Changes in Electrocatalysts for Renewable Energy Applications Using Electrochemical Cell Transmission Electron Microscopy. Seminar, Korea Research Institute of Standards and Science (KRISS), Online Event (2022)

Yoon, A.: Visualizing Structural Changes in Electrocatalysts for Renewable Energy Applications Using Electrochemical Cell Transmission Electron Microscopy. 2nd Sino-European Early Career Researchers Workshop on Emerging Techniques and Applications in Electron Microscopy (SEEM 2021), Online Event (2021)

Yoon, A.: Unraveling the Working Morphology of Bimetallic Nanoparticles Under Electrocatalytic CO₂ Reduction Reaction Conditions. 9th Science Day of the Max Planck-EPFL Center for Molecular Nanoscience & Technology, Online Event (2020)