Synthesis and characterization of nanostructured semiconductors for photovoltaic and photoelectrochemical cell applications

P. J. Sebastian; Rocio Castañeda; Luis Ixtlilco; Rogelio Mejia; J. Pantoja; A. Olea

doi:10.1117/12.796913

9 September 2008 Synthesis and characterization of nanostructured semiconductors for photovoltaic and photoelectrochemical cell applications

P. J. Sebastian, Rocio Castañeda, Luis Ixtlilco, Rogelio Mejia, J. Pantoja, A. Olea

Author Affiliations +

Proceedings Volume 7044, Solar Hydrogen and Nanotechnology III; 704405 (2008) https://doi.org/10.1117/12.796913
Event: Solar Energy + Applications, 2008, San Diego, California, United States

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.

Citation Download Citation

P. J. Sebastian, Rocio Castañeda, Luis Ixtlilco, Rogelio Mejia, J. Pantoja, and A. Olea "Synthesis and characterization of nanostructured semiconductors for photovoltaic and photoelectrochemical cell applications", Proc. SPIE 7044, Solar Hydrogen and Nanotechnology III, 704405 (9 September 2008); https://doi.org/10.1117/12.796913

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