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The Effect of Annealing Temperature and KCN Etching on the Photovoltaic Properties of Cu(In,Ga)(S,Se)2Solar Cells Using Nanoparticles
International Journal of Photoenergy
Cu(In,Ga)S 2 nanoparticles were synthesized by a hot-injection method under a low-vacuum ambience, which were printed and annealed with Se vapor for Cu(In,Ga)(S,Se) 2 solar cells. The Cu(In,Ga)S 2 nanoparticles were around 14 nm, and the stable ink was obtained by dispersing the nanoparticles in hexanethiol. The crystallinity of the Cu(In,Ga)(S,Se) 2 films increased with the increase in annealing temperature. Cu(In,Ga)(S,Se) 2 solar cells with KCN etching after annealing showed betterdoi:10.1155/2013/416245 fatcat:l2phf4qyxnc2rfnhtnxa24zlx4