Karthikeyan, S., Hill, A., Pilkington, R., Cowpe, J., Hisek, J., & Bagnall, D. (2011). Single step deposition method for nearly stoichiometric CuInSe2 thin films. Thin Solid Films, 519(10), 3107-3112. https://doi.org/10.1016/j.tsf.2010.12.158