2011•Japanese Journal of Applied PhysicsOpen access

Effect of “CdCl2 Treatment” on Properties of CdTe-Based Solar Cells Prepared by Physical Vapor Deposition and Close-Spaced Sublimation Methods

Rashad Hajimammadov, Nasser Fathi, Ayaz Bayramov, Genady Khrypunov, Nataliya Klochko, Tatyana Li

Abstract

CdTe is regarded as one of the most promising materials for fabricating CdTe/CdS thin film solar cells with efficiencies up to 16.5%. In this paper we present a comparative analysis of CdTe-based solar cells fabricated by physical vapor deposition (PVD) and close-spaced sublimation (CSS) methods. The structural properties of CdTe base layers and the output parameters of CdS/CdTe solar cells are presented, and the influence of “CdCl2-treatment” on these properties are discussed. Scanning electron microscopy (SEM) and X-ray diffraction (XRD) analyses were used in the studies.

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Key concepts: Sublimation (psychology), Cadmium telluride photovoltaics, Scanning electron microscope, Materials science, Solar cell, Physical vapor deposition, Deposition (geology), Vapour deposition