Induced electron transfer by oxygen vacancy gradient on SnO2 conductive glass for electrocatalytic reduction

Authors :: Lian Wang
Fan Yang
Yuqiao Wang
Xiaoyun Zhang
Dong Li
Source :: Science China Materials. 64:2081-2085
Publication Year :: 2021
Publisher :: Springer Science and Business Media LLC, 2021.
Abstract: 通过表面氧空位缺陷调控催化剂的表面电子结构, 实现催化剂表面易于富集参与反应的电子, 从而提高还原催化效率. 本文中, 将导电玻璃隔绝空气加热, 在其表面形成氧空位缺陷. 通过控制热处理时间调控表面氧空位浓度梯度. 氧空位能导致SnO2导带弯曲, 因此调控氧空位梯度可增强SnO2导电玻璃表面电子富集速率, 从而实现高效电催化还原反应. 在相同条件下, 使其催化性能可以和金属铂相媲美.

Subjects :: Reduction (complexity)
Electron transfer
Materials science
Chemical engineering
General Materials Science
02 engineering and technology
010402 general chemistry
021001 nanoscience & nanotechnology
0210 nano-technology
01 natural sciences
Electrical conductor
Oxygen vacancy
0104 chemical sciences

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