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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*
Affiliation:
School of Chemistry and Chemical Engineering, Xi'an Shi'you University, Xi'an 710065, China
Yifeng Gao
Affiliation:
School of Materials Science and Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, China
Jiaoxia Zhang*
Affiliation:
School of Materials Science and Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, China
Dan Xue
Affiliation:
School of Chemistry and Chemical Engineering, Xi'an Shi'you University, Xi'an 710065, China
Hua Fang
Affiliation:
School of Chemistry and Chemical Engineering, Xi'an Shi'you University, Xi'an 710065, China
Jiayong Tian
Affiliation:
School of Chemistry and Chemical Engineering, Xi'an Shi'you University, Xi'an 710065, China
Chunli Zhou
Affiliation:
School of Chemistry and Chemical Engineering, Xi'an Shi'you University, Xi'an 710065, China
Chanjuan Zhang
Affiliation:
School of Chemistry and Chemical Engineering, Xi'an Shi'you University, Xi'an 710065, China
Yuqing Li*
Affiliation:
Testing Center, Yangzhou University, Yangzhou 225009, China
Honggang Li
Affiliation:
China Railway Design Corporation, Tianjin 300251, China
*
a)Address all correspondence to these authors. e-mail: chunling405@xsyu.edu.cn
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Abstract

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.

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Copyright
Copyright © Materials Research Society 2020

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