WO3/BiVO4 photoanode coated with mesoporous Al2O3 layer for oxidative production of hydrogen peroxide from water with high selectivity

被引：89
作者：
Fuku, Kojiro [1 ]
Miyase, Yuta [1 ,2 ]
Miseki, Yugo [1 ]
Gunji, Takahiro [1 ,2 ]
Sayama, Kazuhiro [1 ,2 ]
机构：
[1] Natl Inst Adv Ind Sci & Technol, Res Ctr Photovolta RCPV, Cent 5,1-1-1 Higashi, Tsukuba, Ibaraki 3058565, Japan
[2] Tokyo Univ Sci, Dept Pure & Appl Chem, 2641 Yamasaki, Noda, Chiba 2788514, Japan
来源：
RSC ADVANCES | 2017年 / 7卷 / 75期
关键词：
VISIBLE-LIGHT IRRADIATION; BISMUTH VANADATE; METAL-OXIDES; EFFICIENT; PHOTOCATALYST; COMPOSITE; PHOTOELECTRODES; NANOPARTICLES; ELECTROLYTES; SEPARATION;
D O I：
10.1039/c7ra09693c
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A WO3/BiVO4 photoanode coated with various metal oxides demonstrated high selectivity (faradaic efficiency) for hydrogen peroxide (H2O2) generation from water (H2O) under irradiation of simulated solar light in a highly concentrated hydrogen carbonate (KHCO3) aqueous solution. A mesoporous and amorphous aluminium oxide (Al2O3) layer significantly facilitated inhibition of the oxidative degradation of generated H2O2 into oxygen (O-2) on the photoanode, resulting in unprecedented H2O2 selectivity (ca. 80%) and the accumulation (> 2500 mu M at 50C).
引用
收藏
页码：47619 / 47623
页数：5
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