Changes in the oxidation state of Pt single-atom catalysts upon removal of chloride ligands and their effect for electrochemical reactions

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Single atomic Pt supported on TiC was prepared from chloride Pt precursors, then the chloride ligands were intentionally removed by increasing the reduction temperature. The 0.2 wt% Pt/ TiC catalyst reduced at 300 8C had more reduced Pt single-atoms with fewer chloride ligands and exhibited the highest currents for H2O2 formation in the electrochemical oxygen reduction reaction. Controlling the oxidation state of the single-atoms is very important to maximize the activity of the single-atom catalysts.
Publisher
ROYAL SOC CHEMISTRY
Issue Date
2019-06
Language
English
Article Type
Article
Citation

CHEMICAL COMMUNICATIONS, v.55, no.45, pp.6389 - 6392

ISSN
1359-7345
DOI
10.1039/c9cc01593k
URI
http://hdl.handle.net/10203/263107
Appears in Collection
CBE-Journal Papers(저널논문)
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