[1] Liu W S, Hu H C, Pu N W, et al. Journal of Alloys and Compounds, 2015, 631: 146.
[2] Islam M A, Huda Q, Hossain M S, et al. Current Applied Physics, 2013, 13: S115.
[3] Hossain M I. Chalcogenide Letters, 2012, 9(6): 231.
[4] Jeong W S, Lee J W, Jung S, et al. Solar Energy Materials and Solar Cells, 2011, 95(12): 3419.
[5] Hubner A, Aberle A G, Hezel R. Applied Physics Letters, 1997, 70(8): 1008.
[6] Liu W S, Cheng H M, Hu H C, et al. Applied Surface Science, 2015, 354: 31.
[7] Kang S, Sharma R, Sim J K, et al. Journal of Alloys and Compounds, 2013, 563: 207.
[8] Liu C P, Chuang C L. Solar Energy, 2012, 86(9): 2795.
[9] Deshmukh L P, Suryawanshi R V, Masumdar E U, et al. Solar Energy, 2012, 86(6): 1910.
[10] Bhattacharya R N, Oh M K, Kim Y. Solar Energy Materials and Solar Cells, 2012, 98: 198.
[11] Witte W, Kniese R, Powalla M. Thin Solid Films, 2008, 517(2): 867.
[12] Mise T, Nakada T. Solar Energy Materials and Solar Cells, 2009, 93(6-7): 1000.
[13] Rodriguez R D, Müller S, Sheremet E, et al. Journal of Vacuum Science & Technology B, 2014, 32(4): 04E106.
[14] Olejnicek J, Kamler C A, Mirasano A, et al. Solar Energy Materials and Solar Cells, 2010, 94(1): 8.
[15] Bamiduro O, Chennamadhava G, Mundle R, et al. Solar Energy, 2011, 85(3): 545.
