Study on Photocatalytic Activity for Hydrogen Evolution over Cd0.1Cu0.01Zn0.89S Catalysts by Different Synthesis Methods

刘冠杰; 郭烈锦

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Study on Photocatalytic Activity for Hydrogen Evolution over Cd_0.1Cu_0.01Zn_0.89S Catalysts by Different Synthesis Methods

更新时间：2025-12-08

- Study on Photocatalytic Activity for Hydrogen Evolution over Cd_0.1Cu_0.01Zn_0.89S Catalysts by Different Synthesis Methods
- Vol. 42, Issue 3, Pages: 381-384(2008)
- 作者机构：
  
  西安交通大学动力工程多相流国家重点实验室,西安,710049
- 作者简介：
- 基金信息：
- DOI：
  CLC： TQ426.62
- Online First：10 March 2008，
  
  Published：2008
- 稿件说明：
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刘冠杰, 郭烈锦. Study on Photocatalytic Activity for Hydrogen Evolution over Cd_0.1Cu_0.01Zn_0.89S Catalysts by Different Synthesis Methods[J]. 2008, 42(3): 381-384.
DOI：

刘冠杰, 郭烈锦. Study on Photocatalytic Activity for Hydrogen Evolution over Cd_0.1Cu_0.01Zn_0.89S Catalysts by Different Synthesis Methods[J]. 2008, 42(3): 381-384. DOI：

摘要

通过共沉淀法、水热法以及高温硫化法分别合成了Cd

0.1

0.01

0.89

S新型光催化剂

并通过XRD、SEM和UV-vis吸收光谱等技术对催化剂进行了表征.从UV-vis吸收光谱可以发现

的加入都引起了催化剂吸收边不同程度的红移.在产氢测试中发现

高温合成的催化剂产氢能力反而下降.在3种催化剂中

共沉淀法合成的催化剂具有最高的产氢活性

无负载时在可见光照射下产氢速率为350 μmol/h

而水热法和高温硫化法合成的催化剂的产氢速率分别只有120 μmol/h和13 μmol/h.

Abstract

1-x-y

S photocatalysts were prepared by coprecipitation

hydrothermal and thermal sulfidation methods. They were characterized by XRD

SEM

BET and UV-vis spectra. The UV-vis spectra showed that the absorption edge of the photocatalysts which contained Cu

had a red shift compared with that of Cd

0.1

0.9

S. It was found that the photoactivity decreased when the temperature in the preparing process increased. The photocatalyst prepared by coprecipitation method had the highest photoactivity. Its rate of hydrogen production without any cocatalysts was 350 μmol/h under visible light irradiation. Moreover

the rates of the photocatalysts prepared by hydrothermal and thermal sulfidation methods were only 120 μmol/h and 13 μmol/h

respectively.

关键词

Keywords

references

DOMEN K, KUDO A, OHNISHI T. Photocatalyst releasing hydrogen from water[J]. Nature, 2006, 440(7082):295.

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