Enhanced visible-light photocatalytic activity of anatase TiO2 through N and S codoping

Lichao Jia, Congcong Wu, Yuanyuan Li, Song Han, Zongbao Li, Bo Chi, Jian Pu, Li Jian

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The density of states and optical properties of N, S, and (N, S)-doped anatase TiO2 are calculated based on the density functional theory. The results indicate that the doping S atoms occupy the Ti-atom sites in anatase TiO2 lattice. The mixing of O 2p, N 2p, S 3p, and Ti 3d states in the forbidden gap of (N, S)-codoped TiO2 can result in the higher visible-light photocatalytic activities than those monodoped TiO2. For comparison, (N, S)-codoped TiO2 was also synthesized by one-step hydrothermal method, and the optical absorption spectra obtained by experiments verified the reliability of our calculation.

Original languageEnglish (US)
Article number211903
JournalApplied Physics Letters
Issue number21
StatePublished - May 23 2011

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)


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