Semiconductor thin films by chemical bath deposition for solar energy related applications.

Nair Padmanabhan, Karunakaran y Nair Maileppallil, Santhamma y García, V. M. y Arenas, O. L. y Peña Méndez, Yolanda y Castillo, A. y Ayala, I. T. y Gomezdaza, O. y Sánchez, A. y Campos, J. y Zhao Hu, Hailin y Suárez, R. y Rincón, M. E. (1998) Semiconductor thin films by chemical bath deposition for solar energy related applications. Solar Energy Materials and Solar Cells, 52. pp. 313-344. ISSN 0927-0248

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Resumen

In this paper we present the basic concepts underlying the chemical bath deposition technique and the recipes developed in our laboratory during the past ten years for the deposition of good-quality thin films of CdS, CdSe, ZnS, ZnSe, PbS, SnS, Bi2 S 3 , Bi2 Se3 , Sb2 S 3 , CuS, CuSe, etc. Typical growth curves, and optical and electrical properties of these films are presented. The effect of annealing the films in air on their structure and composition and on the electrical properties is notable: CdS and ZnS films become conductive through a partial conversion to oxide phase; CdSe becomes photosensitive, SnS converts to SnO2 , etc. The use of precipitates formed during deposition for screen printing and sintering, in polymer composites and as a source for vapor-phase deposition is presented. Some examples of the application of the films in solar energy related work are presented.

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