We have demonstrated synthesis of nanostructure CuInS2 (CIS) with a microwave method in the present of novel precursor for absorption layer of solar cells. Dark brown CuInS2 nanoparticles were obtained by microwave mixture of Cu (gly)2 as a novel precursor and InCl3 and S like Thiourea, L-cystin, TAA (thioacetamide), Thiosemicarbazid, TGA (Thioglycolic acid), Na2S2O3 (Sodium Thiosulfate) and (NH4)2S (Ammonium sulfate)in 1:1:2 stochiometric ratio in propylene glycol. The absorption and photoluminescence studies of the CuInS2 nanoparticles displayed quantum confinement behavior. To examine...