Investigation of selenization and various CBD CdS deposition conditions to fabricate high performing spray pyrolysis synthesized Cu(In,Ga)(S,Se) 2 solar cells
Hassan, Muhammad Aamir
Leow, Shin Woei
Prabhakar, Rajiv Ramanujam
Wong, Lydia Helena
Date of Issue2017
School of Materials Science and Engineering
Energy Research Institute @NTU
Semiconducting thin-films of CIGS were deposited by spray pyrolysis of aqueous precursor solutions. The as-sprayed thin films were then selenized at different temperatures and durations to obtain the optimized selenization conditions (500 °C for 10 min). The chemical bath deposition process was used to deposit cadmium sulphide (CdS) using two different cadmium sources (cadmium acetate and cadmium sulphate) at various deposition times followed by post CdS annealing. Solar cells fabricated with CdS as the buffer layer using cadmium acetate show power conversion efficiency of 9.91% owing to its higher transmission and smaller grain size.
Journal of Renewable and Sustainable Energy
© 2017 The Author(s) (Published by AIP). This paper was published in Journal of Renewable and Sustainable Energy and is made available as an electronic reprint (preprint) with permission of The Author(s) (Published by AIP). The published version is available at: [http://dx.doi.org/10.1063/1.4976019]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.