Title :
Heterojunction crystalline silicon solar cells using nanocrystalline cubic silicon carbide emitter
Author :
Miyajima, Shigeyuki
Author_Institution :
Dept. of Phys. Electron., Tokyo Inst. of Technol., Tokyo, Japan
Abstract :
Heterojunction crystalline silicon solar cells using a hydrogenated nanocrystalline cubic silicon carbide emitter has been developed. The use of the widegap emitter significantly reduced the optical absorption loss in the emitter region. The solar cells also showed high open circuit voltage of above 0.718 V. This high open circuit voltage indicates that the recombination velocity at the interface of crystalline silicon/hydrogenated nanocrystalline cubic silicon carbide emitter is quite low.
Keywords :
nanostructured materials; silicon compounds; solar cells; wide band gap semiconductors; heterojunction crystalline silicon solar cells; hydrogenated nanocrystalline cubic silicon carbide emitter; optical absorption loss; recombination velocity; widegap emitter; Absorption; Heterojunctions; Metals; Optical losses; Photovoltaic cells; Silicon; Stimulated emission;
Conference_Titel :
Active-Matrix Flatpanel Displays and Devices (AM-FPD), 2014 21st International Workshop on
Conference_Location :
Kyoto
DOI :
10.1109/AM-FPD.2014.6867123