Aminated TiO2 nanotubes as a photoelectrochemical water splitting photoanode

被引：38

作者：

Hejazi, Seyedsina ^{[1
]}

Nhat Truong Nguyen ^{[1
]}

Mazare, Anca ^{[1
]}

Schmuki, Patrik ^{[1
,2
]}

机构：

[1] Univ Erlangen Nurnberg, Dept Mat Sci, WW4 LKO, Martensstr 7, D-91058 Erlangen, Germany

[2] King Abdulaziz Univ, Dept Chem, Fac Sci, Jeddah 80203, Saudi Arabia

来源：

CATALYSIS TODAY | 2017年 / 281卷

关键词：

TiO2; nanotubes; Diethylenetriamine; Photoanode; IMPS; Water splitting; N-DOPED TIO2; PHOTOCATALYTIC ACTIVITY; TITANIUM-DIOXIDE; ANNEALED TIO2; SURFACE; ARRAYS; FILMS; UV; PERFORMANCE; ADSORPTION;

D O I：

10.1016/j.cattod.2016.07.009

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

The present work reports on the enhancement of TiO2 nanotubes photoelectrochemical water splitting rate by decorating the nanostructure with amino groups in a hydrothermal process using diethylenetriamine (DETA). The aminated TiO2 tubes show a stable improvement of the photoresponse in both UV and visible light spectrum and under optimized hydrothermal conditions, 4-fold increase of the photo electrochemical water splitting rate is observed. From intensity modulated photocurrent spectroscopy (IMPS) and electrochemical impedance spectroscopy measurements (EIS), enhanced charge transfer is observed indicating a higher charge carrier density effect of the aminated nanotubes. (C) 2016 Published by Elsevier B.V.

引用

页码：189 / 197

页数：9

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