1. B. Dai, H. Zheng, in Solar Cells Technical Manuals, Chapter 7 (Posts & Telecom Press, Beijing, 2012), p. 153
2. A.W. Bett et al., Appl. Phys. A 69, 119–129 (1999)
3. T.V. Torchynska et al., Semiconductor physics. Quantum Electron & Optoelectron 5(1), 63–70 (2002)
4. R.R. King et al., in IEEE 4th World Conference on Photovoltaic Energy Conversion, vol. 2 (2006)
5. A. Naser et al., in ISECS International Colloquium on Computing Communication, Control, and Management, vol. 1 (2009), pp. 373–378