Two-dimensional excitonic photoluminescence in graphene on a Cu surface (ACS Nano, 2017)

(untitled) - Park, Y; Kim, Y; Myung, CW; Taylor, RA; Chan, CC; Reid, BPL; Puchtler, TJ; Nicholas, RJ; Singh, LT; Lee, G; Hwang, CC; Park, CY; et al.