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In situ photodeposition of nickel oxides on CdS for highly efficient hydrogen production via visible-light-driven photocatalysis

Paper ID Volume ID Publish Year Pages File Format Full-Text
50021 46776 2013 5 PDF Available
Title
In situ photodeposition of nickel oxides on CdS for highly efficient hydrogen production via visible-light-driven photocatalysis
Abstract

•Low-cost Ni2O3/CdS was prepared by a simple in situ photodeposition method.•Ni2O3 could act as electron traps and facilitate the charge separation.•Ni2O3/CdS showed high H2-production activity even higher than the one loaded with Pt.

Low-cost photocatalysts of CdS combined with nickel oxides were prepared by a simple in situ photodeposition method. The activity of photocatalytic hydrogen evolution under visible-light (λ > 400 nm) on CdS was enhanced significantly by loading nickel oxides, and reached to the maximum rate of 445.6 μmol h− 1, being about 41 times and 1.9 times of the H2 evolution on pure CdS and CdS loaded with 1.5 wt.% Pt, respectively. The characterizations of X-ray photoelectron spectroscopy and transmission electron microscopy with energy dispersive spectrometer indicated that the nickel oxides were loaded on CdS particles in the formation of Ni2O3 species, which acted as electron traps and facilitated the charge separation.

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Keywords
In situ photodeposition; Nickel oxides; CdS; Hydrogen; Photocatalysis
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In situ photodeposition of nickel oxides on CdS for highly efficient hydrogen production via visible-light-driven photocatalysis
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 36, 5 June 2013, Pages 104–108
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
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Full-text PDF Download
Online Support
Any Questions? feel free to contact us