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In this paper we present for the first time flexible CdTe solar cells deposited on ultra-thin glass using a low temperature process and compared the results to CdTe cells deposited on polyimides. The effects of the different substrates on the morphology and crystal structure of CdTe absorber layers, as well as on the efficiency of solar cells were investigated by means of different characterization techniques. Atomic force microscopy measurements showed that the CdTe layers deposited on different substrates have a similar morphology. XRD analysis was used to study the structure and the orientation of the crystallite of the CdTe layers on the different substrates. Micro-Raman spectroscopy provided evidence of both the TO phonon of CdTe and the A1 phonon of Te, whose peak position is somehow dependent from the substrate material. CdCl2 treatments change the crystal orientation of the CdTe layers, with the loss …
Publication date: 
1 Dec 2016

Andrei Salavei, Daniele Menossi, Fabio Piccinelli, Arun Kumar, Gino Mariotto, Marco Barbato, Matteo Meneghini, Gaudenzio Meneghesso, Simone Di Mare, Elisa Artegiani, Alessandro Romeo

Biblio References: 
Volume: 139 Pages: 13-18
Solar Energy