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Photocatalytic degradation of methyl orange by nano-TiO_2 thin films prepared by RF magnetron sputtering |
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| Authors: | Fanming Meng Ling Cao Xueping Song Zhaoqi Sun |
| Affiliation: | 1. School of Physics and Materials Science,Anhui University,Hefei 230039,China;State Key Laboratory of Materials Modification by Laser,Ion and Electron Beams,Dalian University of Technology,Dalian 116024,China;Anhui Key Laboratory of Information Materials and Devices,Anhui University,Hefei 230039,China 2. School of Physics and Materials Science,Anhui University,Hefei 230039,China;Anhui Key Laboratory of Information Materials and Devices,Anhui University,Hefei 230039,China |
| Abstract: | Nano-TiO_2 thin films are deposited by radio frequency (RF) magnetron sputtering using TiO_2 ceramic target and characterized by X-ray diffractometer,atomic force microscope,and ultraviolet-visible spectrophotometer. The photocatalytic activity is evaluated by light-induced degradation of methyl orange solutions (5,10,and 20 ppm) using a high pressure mercury lamp as the light source.The film is amorphous, and its energy gap is 3.02 eV.The photocatalytic degradation of methyl orange solution is the first-or... |
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