X-ray spectroscopic study of the electronic structure of visible-light responsive N-, C- and S-doped TiO2 |
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| Authors: | Xiaobo Chen Per-Anders Glans Xiaofeng Qiu Smita Dayal Wayne D. Jennings Kevin E. Smith Clemens Burda Jinghua Guo |
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| Affiliation: | 1. Center for Chemical Dynamics & Nanomaterials Research, Department of Chemistry, Case Western Reserve University, Cleveland, OH 44106, USA;2. Department of Physics, Boston University, Boston, MA 02215, USA;3. Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA;4. Department of Materials Science and Engineering, Case Western Reserve University, Cleveland, OH 44106, USA |
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| Abstract: | The electronic origins of the visible-light response of N-, C- and S-doped TiO2 have been studied using X-ray absorption, X-ray emission, and X-ray photoelectron spectroscopies. New electronic states are observed in the bulk band gap, above the valence band edge of pure TiO2, which can be directly related to the visible-light absorption of the N-, C- and S-doped TiO2 materials. |
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| Keywords: | Electronic structure Doped TiO2 X-ray absorption X-ray emission X-ray photoelectron |
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