Enhanced performance of g-C3N4/TiO2 photocatalysts for degradation of organic pollutants under visible light

Gaixue Song; Zhenyu Chu; Wanqin Jin; Hongqi Sun

doi:10.1016/j.cjche.2015.05.003

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Enhanced performance of g-C₃N₄/TiO₂ photocatalysts for degradation of organic pollutants under visible light

催化、动力学与反应工程 | Updated：2026-01-06

- Enhanced performance of g-C₃N₄/TiO₂ photocatalysts for degradation of organic pollutants under visible light
- Enhanced performance of g-C₃N₄/TiO₂ photocatalysts for degradation of organic pollutants under visible light
- 中国化学工程学报（英文版） 2015年23卷第8期页码：1326-1334
- Affiliations：
  
  2 Department of Chemical Engineering, Curtin University, Perth 5,Australia,WA684
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2015.05.003
  中图分类号：
- 纸质出版：2015
- Accepted：
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Gaixue Song, Zhenyu Chu, Wanqin Jin, 等. Enhanced performance of g-C₃N₄/TiO₂ photocatalysts for degradation of organic pollutants under visible light[J]. 中国化学工程学报（英文版）, 2015,23(8):1326-1334. DOI: 10.1016/j.cjche.2015.05.003.

N
Gaixue Song, Zhenyu Chu, Wanqin Jin, 等. Enhanced performance of g-C₃N₄/TiO₂ photocatalysts for degradation of organic pollutants under visible light[J]. 中国化学工程学报（英文版）, 2015,23(8):1326-1334. DOI: 10.1016/j.cjche.2015.05.003. DOI：

N DOI： 10.1016/j.cjche.2015.05.003.

摘要

Abstract

Photocatalytic degradation is one of the most promising remediation technologies in terms of advanced oxidation processes (AOPs) for water treatment. In this study

novel graphitic carbon nitride/titanium dioxide (g-C

/TiO

) composites were synthesized by a facile sonication method. The physicochemical properties of the photocatalystwith different mass ratios of g-C

to TiO

were investigated by X-ray diffraction (XRD)

scanning electron microscope (SEM)

transmission electron microscopy (TEM)

sorption

Fourier transform infrared spectroscopy (FT-IR)

X-ray photoelectron spectroscopy (XPS)

and UV-vis DRS. The photocatalytic performances were evaluated by degradation of methylene blue. Itwas found that g-C

/TiO

with amass ratio of 1.5:1 exhibited the best degradation performance. Under UV

the degradation rate of g-C

/TiO

was 6.92 and 2.65 times higher than g-C

and TiO

respectively. While under visible light

the enhancement factors became 9.27 (to g-C

) and 7.03 (to TiO

). The improved photocatalytic activity was ascribed to the interfacial charge transfer between g-C

and TiO

. This work suggests that hybridization can produce promising solar materials for environmental remediation.

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