This is one of the promising material for solar cell application.It is worth to find out cost effective deposition technique.

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What is CIGS???
CIGS stands for Cu(In,Ga)Se2 which is absorber layer and CdS can be used as buffer layer in this solar cell. The cost effective technique for the preparation and to avoid toxic selenization step are the biggest challenge in this field. The efficiency of this solar cell is 19.9 % recently (Feb 2008) reported by NREL (National Renewable Energy Laboratory, USA). CIGS is promising candidate to replace Silicon solar cells.
thanks, sanjay...
I have been anxiously monitoring the development of CIGS solar. Once we solve the toxic selenization problem, i rather think the market will help drive the cost efficiecency issue into submission sooner rather than later.
Your thoughts?


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