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GO/TiO2 composites as a highly active photocatalyst for the degradation of methyl orange

Published online by Cambridge University Press:  14 April 2020

Chunling Lin*
School of Chemistry and Chemical Engineering, Xi'an Shi'you University, Xi'an 710065, China
Yifeng Gao
School of Materials Science and Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, China
Jiaoxia Zhang*
School of Materials Science and Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, China
Dan Xue
School of Chemistry and Chemical Engineering, Xi'an Shi'you University, Xi'an 710065, China
Hua Fang
School of Chemistry and Chemical Engineering, Xi'an Shi'you University, Xi'an 710065, China
Jiayong Tian
School of Chemistry and Chemical Engineering, Xi'an Shi'you University, Xi'an 710065, China
Chunli Zhou
School of Chemistry and Chemical Engineering, Xi'an Shi'you University, Xi'an 710065, China
Chanjuan Zhang
School of Chemistry and Chemical Engineering, Xi'an Shi'you University, Xi'an 710065, China
Yuqing Li*
Testing Center, Yangzhou University, Yangzhou 225009, China
Honggang Li
China Railway Design Corporation, Tianjin 300251, China
a)Address all correspondence to these authors. e-mail:
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Reduced graphene oxide supported titanium dioxide (GO/TiO2) heterojunction composites as highly active photocatalysts were synthesized via simple ultrasonic mixing and hydrothermal reaction using TiCl3 and GO as precursors. Their structure and morphology were characterized by X-ray diffraction, Fourier transform infrared spectroscopy, Raman spectra, UV-vis spectroscopy, and thermogravimetic analysis. The GO/TiO2 heterojunction composites were used to degrade methyl orange (MO). The adsorption and photocatalytic degradation rate of the prepared GO/TiO2 composites increased by nearly three times compared with that of pristine TiO2 or GO, which reached up 90%, to degrade MO after 4 h, which provides a simple method to obtain photocatalytic materials.

Copyright © Materials Research Society 2020

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