Citation: Sang Huanxin, Ge Yonghui, Liu Xingjing, Wang Zhenli. Preparation of Zn_0.8Cd_0.2S-Ethylenediamine Hybrid Solid Solution Photocatalysts and Their Hydrogen Production Performance[J]. Chemistry, ;2018, 81(4): 349-354. shu

Preparation of Zn_0.8Cd_0.2S-Ethylenediamine Hybrid Solid Solution Photocatalysts and Their Hydrogen Production Performance

1.
Tianjin Huanke Environment Consulting Co., Ltd, Tianjin 300457
2.
Northwestern Polytechnical University, Xi'an 710072

Received Date: 23 November 2017
Accepted Date: 2 February 2018

Figures(4)

The titled hybrid solid solutions with different thickness and size were successfully synthesized by changing the atomic ratio of S/(Zn+Cd) in the hydrothermal reaction. The results showed that the content of thiourea amount in solvent has an important effect on the composition and structure, photoelectric property and hydrophilic property of the prepared solid solutions. With the increase of thiourea amount in the reaction system, the nanosheet solid solutions were gradually formed. Fluorescence emission spectra (photoluminescence spectra) and photocatalytic activity tests showed that the proper S/(Zn+Cd) atomic ratio can improve the separation efficiency of photogenerated electrons and holes, resulting in the superior photocatalytic activity. Under visible light irradiation, the titled solid solution exhibites the highest hydrogen yield of 12100μmol·h^-1·g^-1 at S/(Zn+Cd) of 4.75. The improved photocatalytic activity is mainly related to the less surface defects, suitable morphology, and high separation efficiency of photo-generated electrons and holes.
- Photocatalyst,
- Hydrogen production,
- Zn_0.8Cd_0.2S-Ethylenediamine hybrid solid solutions,
- Nanosheet,
- Ethylenediamine
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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 of Zn0.8Cd0.2S-Ethylenediamine Hybrid Solid Solution Photocatalysts and Their Hydrogen Production Performance

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通讯作者: 陈斌, bchen63@163.com

Preparation of Zn_0.8Cd_0.2S-Ethylenediamine Hybrid Solid Solution Photocatalysts and Their Hydrogen Production Performance