Enhanced photocatalytic activity and reaction mechanism of Ag-doped α-Bi2O3 nanosheets

被引：12

作者：

Shan, Lianwei ^{[1
]}

Ding, Jun ^{[1
]}

Sun, Wenli ^{[1
]}

Han, Zhidong ^{[1
]}

Jin, Liguo ^{[1
]}

机构：

[1] Harbin Univ Sci & Technol, Coll Mat Sci & Engn, Harbin 150040, Heilongjiang, Peoples R China

来源：

INORGANIC AND NANO-METAL CHEMISTRY | 2017年 / 47卷 / 12期

关键词：

Bismuth oxide; nanosheet; photocatalytic activities; Ag doping; scavenger; BAND ALIGNMENT; DEGRADATION; BIVO4; HETEROJUNCTION; OXYGEN; BI2O3; WATER; HETEROSTRUCTURES; NANOCRYSTALS; PERFORMANCE;

D O I：

10.1080/24701556.2017.1357590

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The alpha-Bi2O3 and Ag-doped nanosheets were successfully prepared via a citric method. Based on the sodium oxalate scavenger, it was inferred that the hole plays a key role in the photooxidation process for silver-doped Bi2O3. Combined further with the IR analysis, it is found that the center dot O-2(-) has an effect on the decolorization of methylene blue (MB) under visible-light irradiation. The O-2/H2O2 electrode could contribute to the separation of electron-hole pairs due to the electrons flowing from CB to this electrode. As a result, the doped Ag species greatly affected the photocatalytic activities of Bi2O3 by the oxidative decolorization of MB.

引用

页码：1625 / 1634

页数：10

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