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Preparation Of Efficient Cuin1-Xgaxse2-Ysy/Cds Thin-Film Solar Cells By Optimizing The Molybdenum Back Contact And Using Diethylselenide As Selenium Precursor, Ankur Kadam
Electronic Theses and Dissertations
High efficiency CuIn1-xGaxSe2-ySy (CIGSS)/CdS thin-film solar cells were prepared by optimizing the Mo back contact layer and optimizing the parameters for preparing CIGSS absorber layer using diethylselenide as selenium source. The Mo film was sputter deposited on 2.5 cm x 10 cm soda-lime glass using DC magnetron sputtering for studying the adhesion and chemical reactivity with selenium and sulfur containing gas at maximum film growth temperature. Mo being a refractory material develops stresses, nature of which depends on the deposition power and argon pressure. It was found that the deposition sequence with two tensile stressed layers deposited at 200W and …