A hybridized heterojunction structure between TiO2 nanorods and exfoliated graphitic carbon-nitride sheets for hydrogen evolution under visible light

Yong Jiang; Shien Guo; Rong Hao; Yuting Luan; Yuqing Huang; Feng Wu; Chungui Tian; Baojiang Jiang

doi:10.1039/C6CE01442A

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A hybridized heterojunction structure between TiO₂ nanorods and exfoliated graphitic carbon-nitride sheets for hydrogen evolution under visible light†

Yong Jiang,^a Shien Guo,^a Rong Hao,^a Yuting Luan,^a Yuqing Huang,^a Feng Wu,^a Chungui Tian*^a and Baojiang Jiang*^a

Author affiliations

* Corresponding authors

^a Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People's Republic of China, Heilongjiang University, Harbin 150080, China
E-mail: chunguitianhq@163.com, jiangbaojiang88@sina.com

Abstract

Graphitic carbon nitride sheets (GCNS) were obtained through the direct ultrasonic exfoliation of bulk GCN in pure water, and hybridized heterojunction structures between the TiO₂ nanorods and GCNS were fabricated by a facile production method. The introduction of GCNS can significantly increase the reactive sites for photocatalysis, form an efficient contact with TiO₂ nanorods, and expand the visible-light-responsive region. The photocatalytic activities of TiO₂ nanorods/GCNS under visible-light irradiation were about 3- and 10-times those of bulk GCN and TiO₂ nanorods, respectively. The excellent photocatalytic performance of the TiO₂ nanorods/GCNS was mainly attributed to the high separation and migration rate of electron–hole pairs and the efficient utilization of visible light.

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Article information

DOI: https://doi.org/10.1039/C6CE01442A
Article type: Paper
Submitted: 25 Jun 2016
Accepted: 04 Aug 2016
First published: 04 Aug 2016

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CrystEngComm, 2016,18, 6875-6880

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A hybridized heterojunction structure between TiO₂ nanorods and exfoliated graphitic carbon-nitride sheets for hydrogen evolution under visible light

Y. Jiang, S. Guo, R. Hao, Y. Luan, Y. Huang, F. Wu, C. Tian and B. Jiang, CrystEngComm, 2016, 18, 6875 DOI: 10.1039/C6CE01442A

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