1. A. Goetzberger, C. Hebling, and H. W. Schock, "Photovoltaic materials, history, status and outlook," Mater. Sci. Eng. R 40, 1-46 (2003) 10.1016/S0927-796X(02)00092- X
2. J. Liu, G. Z. Cao, Z. Yang, D. Wang, D. Dubois, X. Zhou, G. L. Graff, L. R. Pederson, and J.-G. Zhang, "Oriented nanostructures for energy conversion and storage," ChemSusChem 1, p. 22 (2008) 10.1002/cssc.200800087
3. D. M. Bagnall and M. Boreland, "Photovoltaic technologies," Energy Policy 36, 4390- 4396 (2008) 10.1016/j.enpol.2008.09.070
4. M. Afzaal and P. O'Brien, "Recent developments in II-VI and III-VI semiconductors and their applications in solar cells," J. Mater. Chem. 16, 1597-1602 (2006) 10.1039/b512182e
5. R. B. Bergmann, "Crystalline Si thin-film solar cells: a review," Appl. Phys. A 69, 187- 194 (1999).