Efficient mesoporous/nanostructured Ag-doped alloy semiconductor for solar hydrogen generation

Mohsen Lashgari; Majid Ghanimati

doi:10.1117/1.JPE.4.044099

19 August 2014 Efficient mesoporous/nanostructured Ag-doped alloy semiconductor for solar hydrogen generation

Mohsen Lashgari, Majid Ghanimati

Author Affiliations +

Journal of Photonics for Energy, Vol. 4, Issue 1, 044099 (August 2014). https://doi.org/10.1117/1.JPE.4.044099

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.

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Mohsen Lashgari and Majid Ghanimati "Efficient mesoporous/nanostructured Ag-doped alloy semiconductor for solar hydrogen generation," Journal of Photonics for Energy 4(1), 044099 (19 August 2014). https://doi.org/10.1117/1.JPE.4.044099

Published: 19 August 2014

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