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Atomically manipulated proton transfer energizes water oxidation on silicon carbide photoanodes

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成果类型:
期刊论文
作者:
Li, Hao;Shang, Huan;Shi, Yuchen;Yakimova, Rositsa;Syvajarvi, Mikael;...
通讯作者:
Sun, Jianwu
作者机构:
[Syvajarvi, Mikael; Shi, Yuchen; Li, Hao; Yakimova, Rositsa; Sun, Jianwu] Linkoping Univ, Dept Phys Chem & Biol, S-58183 Linkoping, Sweden.
[Zhang, Lizhi; Shang, Huan] Cent China Normal Univ, Coll Chem, Inst Appl & Environm Chem, Key Lab Pesticide & Chem Biol,Minist Educ, Wuhan 430079, Hubei, Peoples R China.
通讯机构:
[Sun, Jianwu] L
Linkoping Univ, Dept Phys Chem & Biol, S-58183 Linkoping, Sweden.
语种:
英文
期刊:
Journal of Materials Chemistry A
ISSN:
2050-7488
年:
2018
卷:
6
期:
47
页码:
24358-24366
基金类别:
This work was supported by the Swedish Research Council (Vetenskapsrådet, Grant No. 621-2014-5461), the Swedish Research Council for Environment, Agricultural Sciences and Spatial Planning (FORMAS, Grant No. 2016-00559), the Swedish Foundation for International Cooperation in Research and Higher Education (STINT, Grant No. CH2016-6722), the ÅForsk foundation (Grant No. 16-399 and 18-370), and Stielsen Olle Engkvist Byggmästare (Grant No. 189-0243).
机构署名:
本校为其他机构
院系归属:
化学学院
摘要:
Surmounting the sluggish water oxidation kinetics beyond the hole-dominated thermodynamic effect is a topic of great scientific interest to establish fully renewable hydrogen technology from solar-powered water splitting. Herein, we demonstrate that the bottleneck of photoelectrochemical water oxidation can be overcome via atomic manipulation of proton transfer on the polar surfaces of silicon carbide (SiC) photoanodes. On the typical carbon-face SiC, where proton-coupled electron transfer governed the interfacial hole transfer for water oxidat...

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