Mo2N: An efficient non-noble metal cocatalyst on CdS for enhanced photocatalytic H2 evolution under visible light irradiation
Mo2N: An efficient non-noble metal cocatalyst on CdS for enhanced photocatalytic H2 evolution under visible light irradiation
复制标题
Mo2N：CdS 上的高效非贵金属助催化剂，用于增强可见光照射下的光催化析氢
DOI：
10.1016/j.ijhydene.2016.08.133
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发表时间：
2016-12
影响因子：
7.2
通讯作者：
Haijuan Zhan
中科院分区：
文献类型：
--
作者：
Jie LI;Keying Lin;Wanyi Liu;Haijuan Zhan
首次报道了Mo 2N作为一种高效的非贵金属助催化剂，在可见光照射下提高光催化析氢效率。2.0%Mo_2N/CdS催化剂的活性是单独CdS催化剂的6.1倍，是1.0%Pt/CdS催化剂的1.4倍。寿命测试表明Mo 2N/CdS在42 h内非常稳定。42 h后，Mo 2N/CdS催化剂活性逐渐降低。而90 h后Mo 2N/CdS催化剂的活性仍保持新鲜催化剂的49%。Mo 2N表面的钼氧化物CdMoO 4可使Mo 2N与CdS联合收割机紧密结合，起到保护Mo 2N助催化剂的作用，并抑制可逆的H2生成反应，从而提高Mo 2N/CdS的光催化活性和稳定性。本研究表明Mo 2N是一种新型高效、低成本的非贵金属光催化剂。
Mo2N as an efficient non-noble metal cocatalyst was firstly reported for improving photocatalytic H2evolution under visible light irradiation. The activity of 2.0% Mo2N/CdS is 6.1 times of CdS alone and 1.4 times of 1.0% Pt/CdS. The longevity test shows the Mo2N/CdS is very stable in 42 h. After 42 h, the activity of Mo2N/CdS gradually decreases. However, even after 90 h, the activity of Mo2N/CdS also keeps the 49% of that fresh catalyst. The molybdenum oxides, CdMoO4on the surface of Mo2N may combine CdS with Mo2N closely, protect Mo2N cocatalyst and inhibit the reversible reaction of H2production, thus increase the photocatalytic activity and the stability of Mo2N/CdS. This study demonstrates Mo2N is a new efficient low cost non-noble metal cocatalyst in photocatalytic H2evolution.
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影响因子：
7.3
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