What is the best efficiency achieved so far in large scale thin-film solar cells? And what material?

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Dhamodaran Santhanagopalan

Hi Monir, Do you mean to say CIGS is better theoretically too?

Dilek Işik Akcakaya

http://www.nrel.gov/ncpv/images/efficiency_chart.jpg

Depending on NREL efficiency chart best is with Cu(In,Ga)Se2.

Monir, Please send some selected article links for my email that would be great. Thanks

Reiner Klenk

The best efficiency of a monolithically integrated structure (in contrast to a lab scale cell) is 17.8% for a 30x30 cm² substrate and has been achieved by Solar Frontier:

http://www.rechargenews.com/business_area/innovation/article305629.ece

The absorber material is Cu(In,Ga)(S,Se)2

Yuriy P. Gnatenko

I recommend you read disscussion in RG :

https://www.researchgate.net/post/Will_silicon_sustain_its_first_place_as_a_basic_solar_cells_material?ev=tp_feed_post_xview