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Cyclic voltammetry study of electrodeposition of Cu(In,Ga)Se2 thin films
- Source :
- Electrochimica Acta. 54:3004-3010
- Publication Year :
- 2009
- Publisher :
- Elsevier BV, 2009.
-
Abstract
- The electrodeposition of Cu(In,Ga)Se 2 has been investigated by cyclic voltammetry (CV) in a DMF-aqueous solution that contained citrate as a complexing agent. The effects of the citrate ion on the reduction potentials of Cu 2+ , In 3+ , Ga 3+ and H 2 SeO 3 were examined for a unitary system. Furthermore, a cyclic voltammetry study was performed in a ternary Cu–In–Se system, a quaternary Cu–In–Ga–Se system, and binary Cu–Se, In–Se and Ga–Se systems. The insertion of In and Ga into the solid phase may proceed by an underpotential deposition mechanism, which involves two different routes: In 3+ and Ga 3+ reduction by a surface-induced effect from Cu 3 Se 2 and/or reaction with H 2 Se.
Details
- ISSN :
- 00134686
- Volume :
- 54
- Database :
- OpenAIRE
- Journal :
- Electrochimica Acta
- Accession number :
- edsair.doi...........871ceee08826e8f618c838d7cb39ca4e