Publications of Hyosang Jeon
All genres
Journal Article (27)
2025
Journal Article
Yoon, Aram, Lichen Bai, Fengli Yang, Federico Franco, Chao Zhan, Martina Rüscher, Janis Timoshenko, , , Hyosang Jeon, Mariana C.O. Monteiro, See Wee Chee and Beatriz Roldan Cuenya: Revealing catalyst restructuring and composition during nitrate electroreduction through correlated operando microscopy and spectroscopy.
2024
Journal Article
Bai, Lichen, Federico Franco, Janis Timoshenko, Clara Rettenmaier, Fabian Scholten, Hyosang Jeon, Aram Yoon, Martina Rüscher, Antonia Herzog, Felix Haase, Stefanie Kühl, See Wee Chee, Arno Bergmann and Beatriz Roldan Cuenya: Electrocatalytic Nitrate and Nitrite Reduction toward Ammonia using Cu2O Nanocubes: Active Species and Reaction Mechanisms.
Journal Article
Haase, Felix, Eduardo Ortega, , Franz Schmidt, Daniel Cruz, Fabian Scholten, Martina Rüscher, Andrea Martini, Hyosang Jeon, Antonia Herzog, Uta Hejral, Earl Davis, Janis Timoshenko, Axel Knop-Gericke, Thomas Lunkenbein, , Arno Bergmann and Beatriz Roldan Cuenya: Role of Fe Decoration on the Oxygen Evolving State of Co3O4 Nanocatalysts.
Journal Article
Herzog, Antonia, Mauricio Lopez-Luna, Hyosang Jeon, Clara Rettenmaier, Philipp Grosse, Arno Bergmann and Beatriz Roldan Cuenya: Operando Raman spectroscopy uncovers hydroxide and CO species enhance ethanol selectivity during pulsed CO2 electroreduction.
Journal Article
Herzog, Antonia, Martina Rüscher, Hyosang Jeon, Janis Timoshenko, Clara Rettenmaier, Uta Hejral, Earl Davis, Felix Haase, David Kordus, Stefanie Kühl, Wiebke Frandsen, Arno Bergmann and Beatriz Roldan Cuenya: Time-resolved operando insights into the tunable selectivity of Cu–Zn nanocubes during pulsed CO2 electroreduction.
Journal Article
Hursán, Dorottya, Janis Timoshenko, Eduardo Ortega, Hyosang Jeon, Martina Rüscher, Antonia Herzog, Clara Rettenmaier, See Wee Chee, Andrea Martini, David Koshy and Beatriz Roldan Cuenya: Reversible Structural Evolution of Metal-Nitrogen-Doped Carbon Catalysts During CO2 Electroreduction: An Operando X-ray Absorption Spectroscopy Study.
Journal Article
Martini, Andrea, Janis Timoshenko, Philipp Grosse, Clara Rettenmaier, Dorottya Hursán, , Hyosang Jeon, Arno Bergmann and Beatriz Roldan Cuenya: Adsorbate Configurations in Ni Single-Atom Catalysts during CO2 Electrocatalytic Reduction Unveiled by Operando XAS, XES, and Machine Learning.
Journal Article
, Chao Zhan, Hyosang Jeon, Wiebke Frandsen, Beatriz Roldan Cuenya and Christopher Kley: Organic Thin Films Enable Retaining the Oxidation State of Copper Catalysts during CO2 Electroreduction.
Journal Article
Rettenmaier, Clara, Antonia Herzog, , Martina Rüscher, Hyosang Jeon, David Kordus, Mauricio Lopez-Luna, Stefanie Kühl, Uta Hejral, Earl Davis, See Wee Chee, Janis Timoshenko, , Arno Bergmann and Beatriz Roldan Cuenya: Operando insights into correlating CO coverage and Cu-Au alloying with the selectivity of Au NP-decorated Cu2O nanocubes during the electrocatalytic CO2 reduction.
2023
Journal Article
Timoshenko, Janis, Felix Haase, , Martina Rüscher, Hyosang Jeon, Antonia Herzog, Uta Hejral, Arno Bergmann, and Beatriz Roldan Cuenya: Deciphering the Structural and Chemical Transformations of Oxide Catalysts during Oxygen Evolution Reaction Using Quick X-ray Absorption Spectroscopy and Machine Learning.
Journal Article
Yang, Fengli, Mauricio Lopez-Luna, Felix Haase, Daniel Escalera Lopez, Aram Yoon, Martina Rüscher, Clara Rettenmaier, Hyosang Jeon, Eduardo Ortega, Janis Timoshenko, Arno Bergmann, See Wee Chee and Beatriz Roldan Cuenya: Spatially and Chemically Resolved Visualization of Fe Incorporation into NiO Octahedra during the Oxygen Evolution Reaction.
2022
Journal Article
Haase, Felix, Arno Bergmann, Travis Jones, Janis Timoshenko, Antonia Herzog, Hyosang Jeon, Clara Rettenmaier and Beatriz Roldan Cuenya: Size effects and active state formation of cobalt oxide nanoparticles during the oxygen evolution reaction.
Journal Article
Haase, Felix, , Franz Schmidt, Antonia Herzog, Hyosang Jeon, Wiebke Frandsen, , , , Janis Timoshenko, Thomas Lunkenbein, , Arno Bergmann, Robert Schlögl and Beatriz Roldan Cuenya: Role of Nanoscale Inhomogeneities in Co2FeO4 Catalysts during the Oxygen Evolution Reaction.
Journal Article
, , , Janis Timoshenko, , , , , , , Hyosang Jeon, Felix Haase, , Clara Rettenmaier, , Beatriz Roldan Cuenya, and : Covalent Organic Framework (COF) derived Ni-N-C Catalysts for Electrochemical CO2 Reduction: Unraveling Fundamental Kinetic and Structural Parameters of the Active Sites.
Journal Article
Rüscher, Martina, Antonia Herzog, Janis Timoshenko, Hyosang Jeon, Wiebke Frandsen, Stefanie Kühl and Beatriz Roldan Cuenya: 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.
Journal Article
Timoshenko, Janis, Arno Bergmann, Clara Rettenmaier, Antonia Herzog, Rosa Aran Ais, Hyosang Jeon, Felix Haase, Uta Hejral, Philipp Grosse, Stefanie Kühl, Earl Davis, , and Beatriz Roldan Cuenya: Steering the structure and selectivity of CO2 electroreduction catalysts by potential pulses.
2021
Journal Article
Herzog, Antonia, Arno Bergmann, Hyosang Jeon, Janis Timoshenko, Stefanie Kühl, Clara Rettenmaier, Mauricio Lopez-Luna, Felix Haase and Beatriz Roldan Cuenya: Operando Investigation of Ag‐Decorated Cu2O Nanocube Catalysts with Enhanced CO2 Electroreduction toward Liquid Products.
Journal Article
Jeon, Hyosang, Janis Timoshenko, Clara Rettenmaier, Antonia Herzog, Aram Yoon, See Wee Chee, Sebastian Oener, Uta Hejral, Felix Haase and Beatriz Roldan Cuenya: Selectivity control of Cu nanocrystals in a gas-fed flow cell through CO2 pulsed electroreduction.
Journal Article
Rizo, Ruben, Arno Bergmann, Janis Timoshenko, Fabian Scholten, Clara Rettenmaier, Hyosang Jeon, , Aram Yoon, , and Beatriz Roldan Cuenya: Pt-Sn-Co nanocubes as highly active catalysts for ethanol electro-oxidation.
Journal Article
, , , Felix Haase, , Janis Timoshenko, Clara Rettenmaier, Hyosang Jeon, Arno Bergmann, , Beatriz Roldan Cuenya and : Influence of the cobalt content in cobalt iron oxides on the electrocatalytic OER activity.