Fig. 2: Surface states and construction schematics of GaSb/GeS core–shell heterostructure NWs.
From: Lattice-mismatch-free construction of III-V/chalcogenide core-shell heterostructure nanowires
a–c XPS spectra of Ga 3d, S 2p, Ge 3d, and Sb 4d of pristine GaSb NWs (grown by surfactant-assisted CVD method) and GaSb/GeS core–shell heterostructure NWs, respectively. d Construction schematics of GaSb/GeS core–shell heterostructure NWs.
