Nanostructure-induced colored TiO2 array photoelectrodes with full solar spectrum harvesting

Chunlei Liu; Wei Zhou; Jiakun Song; Huijuan Liu; Jiuhui Qu; Lin Guo; Guofeng Song; Chin-Pao Huang

doi:10.1039/C6TA10375H

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Nanostructure-induced colored TiO₂ array photoelectrodes with full solar spectrum harvesting†

Chunlei Liu,^ac Wei Zhou,

*^b Jiakun Song,^d Huijuan Liu,

*^ac Jiuhui Qu,^ac Lin Guo,^b Guofeng Song^d and Chin-Pao Huang^e

Author affiliations

* Corresponding authors

^a State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
E-mail: hjliu@rcees.ac.cn

^b School of Chemistry and Environment, Beihang University, Beijing 100191, China
E-mail: zhouwei@buaa.edu.cn

^c University of Chinese Academy of Sciences, Beijing 100049, China

^d Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China

^e Department of Civil and Environmental Engineering, University of Delaware, 301 DuPont Hall, Newark, DE 19716, USA

Abstract

Different from regular bandgap narrowing for better sunlight absorption, a series of nanostructure-induced wedge-shaped colored TiO₂ array photoelectrodes exhibited full solar spectrum light harvesting and enhanced performances exemplified by photoelectrochemical (PEC) degradation of Ni(II)–EDTA. Finite element method (FEM) simulation confirmed the influence of the nanostructure towards light absorption in UV, visible, and near-infrared (NIR) regions.

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Article information

DOI: https://doi.org/10.1039/C6TA10375H
Article type: Communication
Submitted: 02 Dec 2016
Accepted: 18 Jan 2017
First published: 19 Jan 2017

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J. Mater. Chem. A, 2017,5, 3145-3151

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Nanostructure-induced colored TiO₂ array photoelectrodes with full solar spectrum harvesting

C. Liu, W. Zhou, J. Song, H. Liu, J. Qu, L. Guo, G. Song and C. Huang, J. Mater. Chem. A, 2017, 5, 3145 DOI: 10.1039/C6TA10375H

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Journal of Materials Chemistry A