LI Zongbao, WANG Xia, FAN Shuaiwei. Modulation Effect of Cu Doped in Te Surfaces of TiO2(101) and (101): A DFT Calculation[J]. Acta Scientiarum Naturalium Universitatis SunYatseni, 2014,53(4):114-118.
LI Zongbao, WANG Xia, FAN Shuaiwei. Modulation Effect of Cu Doped in Te Surfaces of TiO2(101) and (101): A DFT Calculation[J]. Acta Scientiarum Naturalium Universitatis SunYatseni, 2014,53(4):114-118.DOI:
band structures and density of states were investigated with copper doped in TiO
2
adsorbed on the surface of (001) and (101)
substituted Ti sites of surface and subsurface
and in the vacancy of horizontal and longitudinal. The formation energy calculations suggested that Cu atom preferred to dope in the vacancy of the (001) surface
and the band-gap reduced obviously while the property of half-metal appeared. Analysis of the densities of states showed that the hybridization of Cu-3d and O-2p induced the appearing of CuO state
which was in good agreement with experimental result.