Influence of substrates on the electrica
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M. Ruckh; D. Schmid; M. Kaiser; R. SchΓ€ffler; T. Walter; H.W. Schock
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Article
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1996
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Elsevier Science
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English
β 637 KB
Thin films based on Cu(In,Ga)Se 2 prepared on alkali free substrates are compared to films prepared on soda lime glass. On the latter, the presence of sodium species as detected with X-ray photoelectron spectroscopy is correlated with an enhanced formation of Se-O, In-O and Ga-O bonds at the surface