Fig. 6

a External quantum efficiency spectra of three nitride nanorods/Si samples. b The reflectance spectra of bare Si wafer and three nitride nanorods/Si samples. c The room temperature photoluminescence spectra of two InGaN samples
a External quantum efficiency spectra of three nitride nanorods/Si samples. b The reflectance spectra of bare Si wafer and three nitride nanorods/Si samples. c The room temperature photoluminescence spectra of two InGaN samples