Effects of hydrogenation and aging on the optical properties in porous Si layers Oh, Do-Hyun ; Lee, Soojin ; Cho, Woon-Jo ; Kim, Tae Whan Abstract Publication: Journal of Materials Science Pub Date: April 2007 DOI: 10.1007/s10853-006-1306-y Bibcode: 2007JMatS..42.6862O