Composition effect of alloy semiconductors on Pt-tipped Zn1-xCdxSe nanorods for enhanced photocatalytic hydrogen generation

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Zn1-xCdxSe nanorods were synthesized with various compositions, and were employed as model catalysts for photocatalytic hydrogen generation. The hydrogen evolution rate was highly dependent upon the composition due to the conduction band edge potential and light absorption capacity. After the Pt deposition, however, the trend was altered remarkably with the quantum yield of the Pt-tipped Zn0.25Cd0.75Se reaching its maximum. This sudden change is mainly attributed to the mobility of electrons transferring to the metal tips, as well as light absorption and charge separation abilities.
Publisher
ROYAL SOC CHEMISTRY
Issue Date
2018-09
Language
English
Article Type
Article
Keywords

FERMI-LEVEL EQUILIBRATION; VISIBLE-LIGHT; CHARGE SEPARATION; ELECTRON-MOBILITY; HIGH LUMINESCENCE; CATION-EXCHANGE; SOLID-SOLUTIONS; H-2 GENERATION; CDS-PT; NANOPARTICLES

Citation

JOURNAL OF MATERIALS CHEMISTRY A, v.6, no.34, pp.16316 - 16321

ISSN
2050-7488
DOI
10.1039/c8ta05389h
URI
http://hdl.handle.net/10203/246035
Appears in Collection
CH-Journal Papers(저널논문)
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