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Journal of Materials Science: Materials in Electronics
Published in: Journal of Materials Science: Materials in Electronics 3/2019

03-12-2018

Construction of Ti3+ self-doped TiO2/BCN heterojunction with enhanced photoelectrochemical performance for water splitting

Authors: Zheng Liang, Junqi Li, Nan Lei, Liu Guo, Qianqian Song

Published in: Journal of Materials Science: Materials in Electronics | Issue 3/2019

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Abstract

Ti3+ self-doped TiO2/BCN heterojunction (Ti3+-TiO2/BCN) was constructed via a hydrothermal method with using NaBH4 as reducing agent. The BCN nanosheets function as a good support to block the agglomeration of Ti3+-TiO2 nanoparticles, which decreased the recombination of photogenerated charge carriers. The Ti3+-TiO2/BCN sample exhibited enhanced electronic conductivity and absorption in visible light region because of the introduction of Ti3+ and oxygen vacancies (Ov). The as-prepared Ti3+-TiO2/BCN sample showed enhanced photoelectrochemical (PEC) performance as confirmed by analyses of LSV, EIS, Bode plots and M–S. Under the visible light irradiation, the optimally Ti3+ self-doped TiO2/BCN heterojunction sample yield a photocurrent density of ∼ 0.69 mA/cm2 at 1.23 V versus RHE, which is over three times as high as BCN and TiO2/BCN at the same conditions.
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Metadata
Title
Construction of Ti3+ self-doped TiO2/BCN heterojunction with enhanced photoelectrochemical performance for water splitting
Authors
Zheng Liang
Junqi Li
Nan Lei
Liu Guo
Qianqian Song
Publication date
03-12-2018
Publisher
Springer US
Published in
Journal of Materials Science: Materials in Electronics / Issue 3/2019
Print ISSN: 0957-4522
Electronic ISSN: 1573-482X
DOI
https://doi.org/10.1007/s10854-018-0472-4

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