Title :
Electrochemically prepared black silicon for improved photon-to-electron conversion efficiency
Author_Institution :
Centre for Opt. & Electromagn. Res., South China Normal Univ., Guangzhou, China
Abstract :
Black silicon with multiscale texture was prepared by electrochemical etching. To confirm the benefits, we coated it with TiO2 and used it as the photoanode in water splitting, and observed 45% enhancement in photocurrent density.
Keywords :
anodes; current density; direct energy conversion; elemental semiconductors; etching; photoconductivity; photoemission; semiconductor growth; silicon; titanium compounds; Si-TiO2; electrochemical etching; electrochemically prepared black silicon; improved photon-to-electron conversion efficiency; multiscale texture; photoanode; photocurrent density; water splitting;
Conference_Titel :
Communications and Photonics Conference (ACP), 2012 Asia
Conference_Location :
Guangzhou
Print_ISBN :
978-1-4673-6274-0
