Galvanic cell reaction driven electrochemical doping of TiO2 nanotube photoanodes for enhanced charge separation

Heng Zhu; Yingfei Hu; Kai Zhu; Shicheng Yan; Lei Lu; Meiming Zhao; Hongwei Fu; Zhaosheng Li; Zhigang Zou

doi:10.1039/C8CC06044D

You do not have JavaScript enabled. Please enable JavaScript to access the full features of the site or access our non-JavaScript page.

Galvanic cell reaction driven electrochemical doping of TiO₂ nanotube photoanodes for enhanced charge separation†

Heng Zhu,^a Yingfei Hu,

^a Kai Zhu,^b Shicheng Yan,

*^a Lei Lu,^a Meiming Zhao,^a Hongwei Fu,^a Zhaosheng Li

^a and Zhigang Zou^ac

Author affiliations

* Corresponding authors

^a Eco-Materials and Renewable Energy Research Center (ERERC), Collaborative Innovation Center of Advanced Microstructures, College of Engineering and Applied Sciences, Nanjing University, No. 22, Hankou Road, Nanjing, Jiangsu, P. R. China
E-mail: yscfei@nju.edu.cn

^b School of Information Science and Engineering, Nanjing University Jinling College, No. 8, Xuefu Road, Nanjing, Jiangsu 210089, P. R. China

^c National Laboratory of Solid State Microstructures, Department of Physics, Nanjing University, No. 22, Hankou Road, Nanjing, Jiangsu, P. R. China

Abstract

Here, we discover that there is an electrochemical doping reaction that generates surface states when TiO₂ nanotube photoanodes are immersed into NaBH₄ solution, thus improving the photoelectrochemical performance due to the surface states acting as an efficient electron transfer route.

Download options Please wait...

Supplementary files

Supplementary information PDF (1370K)

Article information

DOI: https://doi.org/10.1039/C8CC06044D
Article type: Communication
Submitted: 25 Jul 2018
Accepted: 22 Aug 2018
First published: 22 Aug 2018

Download Citation

Chem. Commun., 2018,54, 11116-11119

Permissions

Request permissions

Galvanic cell reaction driven electrochemical doping of TiO₂ nanotube photoanodes for enhanced charge separation

H. Zhu, Y. Hu, K. Zhu, S. Yan, L. Lu, M. Zhao, H. Fu, Z. Li and Z. Zou, Chem. Commun., 2018, 54, 11116 DOI: 10.1039/C8CC06044D

To request permission to reproduce material from this article, please go to the Copyright Clearance Center request page.

If you are an author contributing to an RSC publication, you do not need to request permission provided correct acknowledgement is given.

If you are the author of this article, you do not need to request permission to reproduce figures and diagrams provided correct acknowledgement is given. If you want to reproduce the whole article in a third-party publication (excluding your thesis/dissertation for which permission is not required) please go to the Copyright Clearance Center request page.

Social activity

Fetching data from CrossRef.
This may take some time to load.

Chemical Communications