Chemical modification of silicene

Wang Rong^a), Xu Ming-Sheng^b), Pi Xiao-Dong†^c)

Optical absorption spectra of fully hydrogenated silicene calculated with (a) DFT calculations and (b) GW approximations with (GW + BSE) and without (GW + RPA) considering the excitonic effect.^{[ 26 , 27 ]}