Enhanced photoelectrochemical performance of planar p-Silicon by APCVD deposition of surface mesoporous hematite coating

被引：13

作者：

Li, Shipu ^{[1
]}

Zhang, Peng ^{[1
]}

Xie, Xiaofeng ^{[2
]}

Song, Xuefeng ^{[1
]}

Liu, Jing ^{[1
]}

Zhao, Liping ^{[1
]}

Chen, Han ^{[1
]}

Gao, Lian ^{[1
]}

机构：

[1] Shanghai Jiao Tong Univ, Sch Mat Sci & Engn, State Key Lab Met Matrix Composites, Shanghai 200240, Peoples R China

[2] Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, Shanghai 200050, Peoples R China

来源：

APPLIED CATALYSIS B-ENVIRONMENTAL | 2017年 / 200卷

基金：

中国国家自然科学基金;

关键词：

Planar Si; alpha-Fe2O3; Catalysts; Photoelectrochemistry; Hydrogen; HYDROTHERMAL SYNTHESIS; WATER; PHOTOCATHODE; FILMS; NANOSTRUCTURES; PHOTOOXIDATION; PHOTOANODE; ARRAYS;

D O I：

10.1016/j.apcatb.2016.07.031

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Pt nanoparticles are the most frequently used catalyst for Si photocathode. Alternative catalyst based on transition metal or metal oxide as cathode catalyst is greatly desired to replace Pt. A mesoporous alpha-Fe2O3 thin film (80 nm) was deposited on the surface of planar p-Si using a facile atmospheric pressure chemical vapor deposition (APCVD) method through pyrolysis of ferrocene. The planar Si photocathode shows a 400% enhancement in photocurrent at 1.0 V-RHE and an anodic onset potential shift of 0.5 V upon deposition of surface mesoporous alpha-Fe2O3 layer. This composite photo electrode also shows superior photoelectrochemical performance to the Pt/planar Si photoelectrode. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：372 / 377

页数：6

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