Publications de Miyeon Chang | EPFL Graph Search

Polycondensation as a Universal Method for Preparing High-density Single-atom Catalyst Libraries

Paul Joseph Dyson, Mounir Driss Mensi, Pascal Miéville, Laura Piveteau, Xunhui Wang, Xinbang Wu, Daniel Ortiz Trujillo, Miyeon Chang, Ariana Serban, Timo Markus Oskar Felder

Single-atom catalysts (SACs) present a promising subclass of classic heterogeneous catalysts by maximizing metal dispersion and enhancing efficiency. Although high-density SACs (HD-SACs) are reported, their synthesis is typically constrained to specific me ...

WILEY-V C H VERLAG GMBH2025

Field-enhanced CO electroreduction in membrane electrolyzers at a dehydrated interface

Xile Hu, Miyeon Chang, Nanjun Chen, Wenhao Ren

Zero-gap membrane electrode assembly (MEA) CO electrolyzer stands as a promising technology for circular carbon economy. However, current CO electrolyzers are energetically inefficient when operating at ampere-level current densities. Here, by analyzing th ...

2024

Synergistic interactions between PtRu catalyst and nitrogen-doped carbon support boost hydrogen oxidation

Xile Hu, Andreas Schueler, Jeremy Luterbacher, Anna Krammer, Songlan Sun, Miyeon Chang, Lichen Bai, Seunghwa Lee, Weiyan Ni, Seongmin Jin

Hydroxide exchange membrane fuel cell (HEMFC) is a potentially cost-effective energy conversion technology. However, current state-of-the-art HEMFCs require a high loading of platinum-group-metal (PGM) catalysts, especially for the hydrogen oxidation react ...

NATURE PORTFOLIO2023

Mapping Catalyst‐Solvent Interplay in Competing Carboamination/Cyclopropanation Reactions

Nicolai Cramer, Matthew Wodrich, Anne-Clémence Corminboeuf, Miyeon Chang, Simone Gallarati

Group 9 metals, in particular Rh III complexes with cyclopentadienyl ligands, are competent C–H activation catalysts. Recently, a Cp*Rh III catalyzed reaction of alkenes with N -enoxyphthalimides showed divergent outcome based on the solvent, with carboami ...

2022

One-Pot Synthesis of 1-[(Triisopropylsilyl)ethynyl]-1,2-benziodoxol-3(1H)-one (TIPS-EBX): Process Safety Assessment and Impact of Impurities on Product Stability

Jérôme Waser, Stefano Nicolai, Durga Prasada Rao Hari, Miyeon Chang, Paola Caramenti, Lionel Schouwey

The hypervalent iodine reagent 1-[(TriIsoPropylSilyl)Ethynyl]-1,2-BenziodoXol-3(1H)-one (TIPS-EBX) is among the most useful electrophilic and somophilic alkynylation reagents. Herein, we report a new synthetic protocol to access this reagent in one step fr ...

2019