1. Commercial status of thin-film photovoltaic devices and materials. Opt;J Schmidtke;Express,2010
2. Routes to copper zinc tin sulfide Cu2ZnSnS4 a potential material for solar cells. J. Chem. Soc. Chem. Commun;K Ramasamy,2012
3. Non-vacuum methods for formation of Cu(In, Ga)(Se, S)2 thin film photovoltaic absorbers. Prog. Photovoltaics Res. Appl;CJ Hibberd,2010
4. Effects of Ga addition to CuInSe2 on its electronic, structural, and defect properties. Appl. Phys. Lett;S-H Wei,1998
5. Synthesis of CuInS2, CuInSe2, and Cu(InxGa1-x)Se2 (CIGS) nanocrystal “inks” for printable photovoltaics. J. Am. Chem. Soc;MG Panthani,2008