Citation: Shuai-Shuai MA, Jian-Dong GU, Yuan GAO, Yu-Qing ZONG, Jin-Juan XUE, Zhao-Lian YE. Preparation and Photocatalytic Activity of Holey Ultrathin g-C₃N₄ Nanosheets-Supported Pt Composite[J]. Chinese Journal of Inorganic Chemistry, ;2021, 37(8): 1439-1448. doi: 10.11862/CJIC.2021.164 shu

Preparation and Photocatalytic Activity of Holey Ultrathin g-C₃N₄ Nanosheets-Supported Pt Composite

1.
College of Chemistry and Environmental Engineering, Jiangsu University of Technology, Changzhou, Jiangsu 213001, China
2.
School of Environmental and Safety Engineering, Changzhou University, Changzhou, Jiangsu 213164, China

Corresponding author: Shuai-Shuai MA, machem@163.com Jin-Juan XUE, xuechem@163.com Zhao-Lian YE, bess_ye@jsut.edu.cn
Received Date: 23 January 2021
Revised Date: 12 May 2021

Figures(9)

Holey ultrathin g-C₃N₄ nanosheets (CNHS) were prepared by thermal oxidation etching method with melamine as the precursor, and Pt-CNHS photocatalyst was synthesized via a facile in-situ photochemical reduction of CNHS and K₂PtCl₆. The X-ray diffraction, field emission scanning electron microscope, X-ray photoelectron spectroscopy, transmission electron microscope, UV-Vis diffuse reflection spectroscopy and N₂ adsorption-desorption measurements were used to investigate the structure, morphology, optical absorption characteristics, photoelectrochemical properties and specific surface area of the products. The photocatalytic performance of the catalyst was studied by degrading gaseous toluene under UV and visible light. The results show that the introduction of Pt can effectively enhance the visible light absorption capacity, response range and carrier separation efficiency of the catalyst. Compared with bulk g-C₃N₄ (CNB) and CNHS, the Pt-CNHS composite displayed much higher photocatalytic activities in gaseous toluene degradation under UV-and visible-light irradiation. In addition, a preliminary study was made on the reaction process of Pt-CNHS photocatalyst to degrade gaseous toluene under visible light.
- g-C₃N₄,
- supported catalysts,
- photocatalysis,
- degradation,
- toluene
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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

Preparation and Photocatalytic Activity of Holey Ultrathin g-C3N4 Nanosheets-Supported Pt Composite

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通讯作者: 陈斌, bchen63@163.com

Preparation and Photocatalytic Activity of Holey Ultrathin g-C₃N₄ Nanosheets-Supported Pt Composite