Exceedingly high photocatalytic activity of g-C3N4/Gd-N-TiO2 composite with nanoscale heterojunctions

Yu, Yanmin, Geng, Junfeng ORCID: 0000-0001-6246-0342, Li, Hua, Bao, Ruiyu, Chen, Huiying, Wang, Wenzhong, Xia, Jianxin and Wong, Wai-Yeung (2017) Exceedingly high photocatalytic activity of g-C3N4/Gd-N-TiO2 composite with nanoscale heterojunctions. Solar Energy Materials and Solar Cells, 168. pp. 91-99. ISSN 0927-0248

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Official URL: https://www.journals.elsevier.com/solar-energy-mat...

Abstract

Composite materials, made of graphitic carbon nitride/gadolinium and nitrogen co-doped titanium dioxide (g-C3N4/Gd-N-TiO2), have been successfully prepared by a simple and reproducible in-situ synthetic method. Specific surface area, pore size, particle morphology, crystalline structure, energy band gap, and chemical bonding mode of the materials have been characterized by spectroscopic and electron microscopic means. Photoluminescence measurement and photocatalytic degradation of methyl blue (MB) and antibiotics (gatifloxacin) test show that the composites exhibit significant enhanced photocatalytic activity. Our experimental results indicate that nanoscale heterojunctions are formed in the composites, and these junctions have played a key role in the separation and transportation of photo generated electrons and holes, and hence the effective promotion of the photocatalysis.

Item Type: Article
Uncontrolled Keywords: Photochemical catalyst, Nanostructures, Inorganic compound, Microstructure
Divisions: University of Bolton Research Centres > Institute for Materials Research and Innovation
Depositing User: Tracey Gill
Date Deposited: 04 Aug 2017 09:02
Last Modified: 06 Jul 2018 08:51
Identification Number: 10.1016/j.solmat.2017.04.023
URI: http://ubir.bolton.ac.uk/id/eprint/1168

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