1. Enhanced photovoltaic performance of thin silicon films by multiple light passes;Redfield,1975
2. ultra high efficiency thin silicon p–n junction solar cells using reflecting surfaces;Spitzer,1980
3. thin film solar cell comparison methodology;Barnett,1980
4. Crystalline silicon thin film solar cells;Werner,2001
5. Optical confinement in thin si-solar cells by diffuse back reflectors;Goetzberger,1981