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A novel way towards CdS sensitized TiO_2 nanoparticles |
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| Authors: | Jianhua Wang Qian Yea Xiaobo Wanga Feng Zhou a State Key Laboratory of Solid Lubrication Lanzhou Institute of Chemical Physics Chinese Academy of Sciences Lanzhou China b Graduate School of Chinese Academy of Sciences Beijing China c Navy institute of Logistic Technology Equipment Beijing China |
| Institution: | a State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China;b Graduate School of Chinese Academy of Sciences, Beijing 100039, China;c Navy institute of Logistic Technology and Equipment, Beijing 100072, China |
| Abstract: | Polymethyl methacrylate cadmium was grafted on TiO2 surface via the surface initiated atomic transfer radical polymerization of methyl methacrylate cadmium from a surface tether initiator. The coordinated cadmium as the source precursor reacts with H2S generates CdS nanoscrystal on TiO2 surface. The grain size of CdS is about 5 nm and stabilized by tether polymer chains. The light absorption of CdS/TiO2 is expanded to visible light region. |
| Keywords: | Titanium oxide CdS nanocrystal Sensitization Light absorption |
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