期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 57, 期 13, 页码 3435-3438出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201800552
关键词
electrocatalysis; nanomesh; nanosheet; palladium; ultrathin
资金
- National Natural Science Foundation of China [21571169, 21521091, 21390393, U1463202]
- Fundamental Research Funds for the Central Universities [WK2060190081]
- China Ministry of Science and Technology [2016YFA (0202801)]
- CAST [2016QNRC001]
An ordered mesh of palladium with a thickness of about 3nm was synthesized by a solution-based oxidative etching. The ultrathin palladium nanomeshes have an interconnected two-dimensional network of densely arrayed, ultrathin quasi-nanoribbons that form ordered open holes. The unique mesoporous structure and high specific surface area make these ultrathin Pd nanomeshes display superior catalytic performance for ethanol electrooxidation (mass activity of 5.40Amg(-1) and specific activity of 7.09mAcm(-2) at 0.8V vs. RHE). Furthermore, the regular mesh structure can be applied to support other noble metals, such as platinum, which exhibits extremely high hydrogen evolution reaction (HER) activity and durability.
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