Effects of Na incorporation on electrical properties of Cu(In,Ga)Se sub(2)-based photovoltaic devices on polyimide substrates

This work reports on the effect of Na doping on hole concentration in CIGS thin film solar cells deposited on polyimide substrate. Two methods of Na supply were applied in this investigation: Na containing back contact layers (Mo:Na) and NaF evaporation at different stages of the absorber deposition...

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Published inSolar energy materials and solar cells Vol. 128; pp. 52 - 56
Main Authors Urbaniak, A, Igalson, M, Pianezzi, F, Bucheler, S, Chirila, A, Reinhard, P, Tiwari, A N
Format Journal Article
LanguageEnglish
Published 01.09.2014
Subjects
Contact
COPPER INDIUM SELENIDE
COPPER SELENIDE
DEPOSITION
ELECTRICAL PROPERTIES
Evaporation
Photovoltaic cells
Polyimide resins
POLYIMIDES
PROPERTIES
RESINS
Solar cells
THIN FILMS
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Summary:This work reports on the effect of Na doping on hole concentration in CIGS thin film solar cells deposited on polyimide substrate. Two methods of Na supply were applied in this investigation: Na containing back contact layers (Mo:Na) and NaF evaporation at different stages of the absorber deposition, including the post-growth Na treatment. The results of hole concentration profiles are presented. The correlation of the hole concentration and the amount of supplied Na is discussed in view of growth- and defect-related models.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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ISSN:0927-0248
DOI:10.1016/j.solmat.2014.05.009