( https://en.wikipedia.org/wiki/Amorphous_semiconductor https://en.wikipedia.org/wiki/Amorphous_silicon , https://en.wikipedia.org/wiki/Amorphous_silicon#Hydrogenated_amorphous_silicon ), (https://en.wikipedia.org/wiki/Polycrystalline_silicon , http://en.wikipedia.org/wiki/Low-temperature_polycrystalline_silicon ), ( https://en.wikipedia.org/wiki/Crystalline_silicon )
https://en.wikipedia.org/wiki/Thin-film_solar_cell
- https://en.wikipedia.org/wiki/Copper_indium_gallium_selenide_solar_cell
- https://en.wikipedia.org/wiki/Cadmium_telluride_photovoltaics
https://en.wikipedia.org/wiki/Transparent_conducting_film#Transparent_conducting_oxides