Photocatalytic H2 evolution on a novel CaIn2S4 photocatalyst under visible light irradiation
Photocatalytic H2 evolution on a novel CaIn2S4 photocatalyst under visible light irradiation
复制标题
新型CaIn2S4光催化剂在可见光照射下光催化析氢
DOI：
10.1016/j.ijhydene.2013.07.109
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发表时间：
2013-10-08
影响因子：
7.2
通讯作者：
Gao, Chen
中科院分区：
文献类型：
--
作者：
Ding, Jianjun;Sun, Song;Gao, Chen
采用简单的水热法和后煅烧工艺合成了一种新型可见光驱动光催化剂CaIn2S4。考察了煅烧温度和时间对光催化剂活性的影响。CaIn2S4的光吸收主要发生在可见光区，带隙为1.76 eV。在没有任何牺牲剂或助催化剂的情况下，观察到在可见光照射下纯水有相当大的析氢活性。获得的最大析氢速率为30.92 mu mol g(-1)h(-1)，连续运行32小时，光催化活性没有明显失活。Copyright (C) 2013, hydrogen Energy Publications， LLC. Published by Elsevier Ltd.。版权所有。
A novel visible-light-driven photocatalyst CaIn2S4 was synthesized using a facile hydrothermal method followed by a post-calcination process. The influence of the calcination temperature and time on the activities of the photocatalyst was investigated. CaIn2S4 exhibits optical absorption predominantly in visible region with an optical band gap of 1.76 eV. Considerable activity for hydrogen evolution from pure water was observed without any sacrificial agents or cocatalysts under visible light irradiation. The maximum hydrogen evolution rate achieved was 30.92 mu mol g(-1)h(-1) without obvious deactivation of the photocatalytic activity for four consecutive runs of 32 h. Copyright (C) 2013, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.