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Journal of Photonics for Energy

Efficient mesoporous/nanostructured Ag-doped alloy semiconductor for solar hydrogen generation
Author(s): Mohsen Lashgari; Majid Ghanimati
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Paper Abstract

Using a facile method, a compound (alloy) semiconductor from the family of cadmium-zinc-sulfide doped with tin and silver was hydrothermally synthesized and employed as an efficient photocatalyst to generate hydrogen fuel through a water photosplitting system. X-ray diffraction analyses revealed that the alloy semiconductor is a solid solution that becomes crystalized in a cubic structure, having a smaller lattice constant in the presence of Ag dopant. Reflective UV-visible spectra indicated that the Ag component not only causes the photon absorption to be significantly amplified, but the absorption edge also shows a red shift. Scanning electron microscopy and adsorption/desorption isotherms illustrated that the five-component semiconductor synthesized here belongs to the nanostructured (nanoparticulate/nanoflake) mesoporous materials and exhibits a good photocatalytic performance.

Paper Details

Date Published: 19 August 2014
PDF: 9 pages
J. Photon. Energy 4(1) 044099 doi: 10.1117/1.JPE.4.044099
Published in: Journal of Photonics for Energy Volume 4, Issue 1
Show Author Affiliations
Mohsen Lashgari, Institute for Advanced Studies in Basic Sciences (Iran, Islamic Republic of)
Ctr. of Climate Changes and Global Warming (CCCGW) (Iran, Islamic Republic of)
Majid Ghanimati, Institute for Advanced Studies in Basic Sciences (Iran)

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