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Proceedings Paper

Synthesis and characterization of nanostructured semiconductors for photovoltaic and photoelectrochemical cell applications
Author(s): P. J. Sebastian; Rocio Castañeda; Luis Ixtlilco; Rogelio Mejia; J. Pantoja; A. Olea
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Paper Abstract

We report the synthesis and characterization of nanostructured semiconductors such as CdS, CuInSe2 (CIS) and TiO2 for photovoltaic cells and photoelectrochemical cells for hydrogen production. The CdS was prepared by chemical deposition, CuInSe2 by electrodeposition and chemical method and TiO2 by sol-gel method. All the three semiconductors were prepared in the thin film and powder form. The CdS was synthesized as wide band gap n-type material in the nanostructured form. The p-CdS was prepared also in the nanostructured form with Cu doping. P-type CuInSe2 films and powders were synthesized in the nanostructured form. TiO2 was always formed in the nanostructured and n-type form. The films and powders were characterized by x-ray diffraction, atomic force microscopy, and opto-electronic methods. All the semiconductors were formed in the nanostructured form with different band gaps depending on the particle size and post-deposition treatments.

Paper Details

Date Published: 9 September 2008
PDF: 9 pages
Proc. SPIE 7044, Solar Hydrogen and Nanotechnology III, 704405 (9 September 2008); doi: 10.1117/12.796913
Show Author Affiliations
P. J. Sebastian, Univ. Nacional Autónoma de México (Mexico)
Univ. Politecnica de Chiapas (Mexico)
Rocio Castañeda, Univ. de Guadalajara (Mexico)
Luis Ixtlilco, Univ. Autónoma del Estado de Morelos (Mexico)
Rogelio Mejia, Univ. Autónoma del Estado de Morelos (Mexico)
J. Pantoja, Univ. Politecnica de Chiapas (Mexico)
A. Olea, Univ. Politecnica de Chiapas (Mexico)

Published in SPIE Proceedings Vol. 7044:
Solar Hydrogen and Nanotechnology III
Gunnar Westin, Editor(s)

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