NiFe-LDH-Decorated Ti-Doped Hematite Photoanode for Enhancing Solar Water-Splitting Efficiency

被引：9

作者：

Bai, Shouli ^{[1
]}

Jia, Shiyu ^{[1
]}

Zhao, Yingying ^{[1
]}

Tang, Pinggui ^{[1
]}

Feng, Yongjun ^{[1
]}

Luo, Ruixian ^{[1
]}

Li, Dianqing ^{[1
]}

Chen, Aifan ^{[1
]}

机构：

[1] Beijing Univ Chem Technol, State Key Lab Chem Resource Engn, Beijing Key Lab Environmentally Harmful Chem Anal, Beijing 100029, Peoples R China

来源：

INORGANIC CHEMISTRY | 2023年 / 62卷 / 37期

基金：

中国国家自然科学基金;

关键词：

NANOROD ARRAYS; HETEROJUNCTION; ALPHA-FE2O3; PERFORMANCE; OXIDATION; CATALYST; FILM;

D O I：

10.1021/acs.inorgchem.3c01818

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Ti-doped a-Fe2O3 nanorods were prepared by a facile hydrothermal method, followed by a NiFe-LDH catalyst that was electrodeposited on the doped a-Fe2O3 nanorods to structure an integrating photoanode Ti:Fe2O3/NiFe-LDH for improving solar PEC water-splitting efficiency. The structure and properties of electrode materials were characterized and the PEC properties of photoanodes were measured. The results show that the photocurrent density of the photoanode enhances 11.25 times at 1.23 V (vs RHE) and the IPCE value enhances 4.10 times at 420 nm compared with pristine a-Fe2O3. The enhancement is attributed to the separating of photogenerated electron-hole, the increase of carrier density, and the acceleration of the carrier transfer rate due to the dual action of doping and catalysis.

引用

页码：15039 / 15049

页数：11

共 52 条

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