Enhancement of photoelectrochemical properties with α-Fe2O3 on surface modified FTO substrates

被引：15

作者：

Choi, Yongseon ^{[1
,2
]}

Lee, Hyeonkwon ^{[1
,2
]}

Kumbhar, Vijay S. ^{[1
,2
]}

Choi, Yong-Wook ^{[1
,2
,4
]}

Kim, Jutae ^{[3
]}

Lee, Kiyoung ^{[1
,2
]}

机构：

[1] Kyungpook Natl Univ, Sch Nano & Mat Sci & Engn, 2559 Gyeongsang Daero, Sangju 37224, South Korea

[2] Kyungpook Natl Univ, Res Inst Environm Sci & Technol, 80 Daehak Ro, Daegu, South Korea

[3] Seoul Natl Univ, Global Frontier Ctr Multiscale Energy Syst, Seoul 08826, South Korea

[4] Korea Inst Ind Technol KITECH, Ulsan Reg Div, 55 Jongga Ro, Ulsan 44413, South Korea

来源：

CERAMICS INTERNATIONAL | 2020年 / 46卷 / 12期

基金：

新加坡国家研究基金会;

关键词：

FTO glass; alpha-Fe2O3; Surface modification; Photoelectrochemistry; WATER-SPLITTING EFFICIENCY; TIN OXIDE; HEMATITE; FILMS; ELECTRODEPOSITION; PHOTOANODES; STABILITY; OXIDATION; GROWTH; NANOSTRUCTURES;

D O I：

10.1016/j.ceramint.2020.05.072

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Despite a number of favorable properties, several drawbacks need to be addressed before hematite can be considered a highly desirable material for applications in water-splitting photoelectrochemical (PEC) electrodes. In the present work, the PEC performance was improved by the synergetic effects of the preparation techniques and modification of the fluorine-doped tin oxide (FTO) glass. The hematite photoanodes deposited onto the pretreated FTO supports clearly decreased the overpotential by up to 100 mV with a higher photocurrent compared to the bare FTO glass. In particular, an electrochemical preparation method including moderate annealing resulted in a highly enhanced PEC performance by influencing the FTO glass during the electrode preparation process.

引用

页码：20012 / 20019

页数：8

共 44 条

[1] Sn/Be Sequentially co-doped Hematite Photoanodes for Enhanced Photoelectrochemical Water Oxidation: Effect of Be2+ as co-dopant [J].