Engineering Zn1-xCdxS/CdS Heterostructures with Enhanced Photocatalytic Activity

Various porous Zn1-xCdxS/CdS heteorostructures were achieved via in situ synthesis method with organic amines as the templates. Because of the larger radius of Cd(2+) than that of Zn(2+), CdS quantum dots are formed and distributed uniformly in the network of Zn1-xCdxS. The Zn1-xCdxS/CdS heterostruc...

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Published in:ACS applied materials & interfaces 2016-06, Vol.8 (23), p.14535-14541
Main Authors: Li, Kui, Chen, Rong, Li, Shun-Li, Xie, Shuai-Lei, Dong, Long-Zhang, Kang, Zhen-Hui, Bao, Jian-Chun, Lan, Ya-Qian
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container_title ACS applied materials & interfaces
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creator Li, Kui
Chen, Rong
Li, Shun-Li
Xie, Shuai-Lei
Dong, Long-Zhang
Kang, Zhen-Hui
Bao, Jian-Chun
Lan, Ya-Qian
description Various porous Zn1-xCdxS/CdS heteorostructures were achieved via in situ synthesis method with organic amines as the templates. Because of the larger radius of Cd(2+) than that of Zn(2+), CdS quantum dots are formed and distributed uniformly in the network of Zn1-xCdxS. The Zn1-xCdxS/CdS heterostructure with small Cd content (10 at%) derived from ethylenediamine shows very high H2-evolution rate of 667.5 μmol/h per 5 mg photocatalyst under visible light (λ ≥ 420 nm) with an apparent quantum efficiency of 50.1% per 5 mg at 420 nm. Moreover, this Zn1-xCdxS/CdS heterostructure photocatalyst also shows an excellent photocatalytic stability over 100 h.
doi_str_mv 10.1021/acsami.6b02765
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title Engineering Zn1-xCdxS/CdS Heterostructures with Enhanced Photocatalytic Activity
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