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Investigation of electronic structure of Nd-doped TiO2 nanoparticles using synchrotron radiation photoelectron spectroscopy |
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| Authors: | Tinghong Hou Jian Mao Haibing Pan Mingjing Tu |
| Institution: | (1) College of Materials Science and Engineering, Sichuan University, Sichuan, Chengdu, 610064, China;(2) National Synchrotron Radiation Laboratory, University of Science and Technology of China, Anhui, Hefei, 230029, China |
| Abstract: | Doping with transition metal ions in TiO2 has been found effective to modify the electronic structure of TiO2 nanoparticles. Application of synchrotron radiation photoelectron spectroscopy (SRPES) to Nd-doped TiO2 nanoparticles revealed that there existed different peak positions and structure with different doping concentration in the valence band spectra. From the onset of valence band spectrum, it was observed that doping Nd ions alters the electronic structure and makes the band gap of TiO2 narrow. |
| Keywords: | electronic structure photoelectron spectroscopy Nd doping TiO2 nanoparticle |
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