1. Y. Hamakawa, Proc. SPIE 543 (1985) 74.
2. a‐SiC:H/a‐Si:H heterojunction solar cell having more than 7.1% conversion efficiency
3. M. Ohnishi, H. Nishiwaki, S. Tsuda and Y. Kuwano, in: Proc. 17th IEEE Photovoltaic Specialists Conf. (1984).
4. Y. Uchida and H. Haruki, in: 3rd New Energy Industrial Symp., NEF, Session 2A-3, November (1983) p. 24.