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化工新型材料  2018, Vol. 46 Issue (3): 27-33    
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TiO2光催化剂改性的研究进程
曾杰生, 王瑞彬, 何蕾
广东顺德创新设计研究院,佛山528311
Research progress on modification of TiO2 photocatalyst
Zeng Jiesheng, Wang Ruibin, He Lei
Guangdong Shunde Innovation Design Institute,Foshan 528311
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摘要 二氧化钛(TiO2)是一种具备化学稳定性高、环境友好和毒性低等优势的绿色环保型半导体材料,在催化、传感、产氢、光学和光电学等领域应用广泛。但是该材料只对紫外光有响应,另外光生电子和空穴容易复合,导致光催化活性和量子效率降低。综述了贵金属沉积、复合半导体、离子掺杂及染料光敏化4种TiO2改性方法的最新研究进程。这4种方法都旨在提高TiO2对太阳光的利用率,或者增加其晶体表面的活性位点,达到抑制光生电子和空穴复合的作用。此外,展望了未来TiO2光催化材料改性研发的发展方向。
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曾杰生
王瑞彬
何蕾
关键词:  TiO2  光催化剂  半导体  改性方法  降解    
Abstract: TiO2 was semiconductor and widely applied in the fields of catalysis,sensing,hydrogen generation,optics and optoelectronics,benefited from its many advantages such as chemical stability,green to environment and low toxicity,etc.However,On the one hand,TiO2 only can be excited by UV,on the other hand,the rapid recombination of electron-hole (e-—h+) pairs after excitation that leading to decrease of catalytic activity and quantum efficiency.The latest research progress on four main modification methods of TiO2 including surface deposition of noble metal,semiconductor composite,ion doping and dye sensitization was introduced respectively.These all methods were aimed to make full use of the sunlight,or to induce crystal surface defects to restrain the recombination of electron-hole pairs.Finally,the modification of TiO2 photocatalyst in the future was predicted.
Key words:  TiO2    photocatalyst    semiconductor    modification method    degradation
收稿日期:  2016-12-06                出版日期:  2018-03-20      发布日期:  2018-04-09      期的出版日期:  2018-03-20
作者简介:  曾杰生(1989-),男,硕士,工程师,从事金属纳米材料合成及改性方面的研究。
引用本文:    
曾杰生, 王瑞彬, 何蕾. TiO2光催化剂改性的研究进程[J]. 化工新型材料, 2018, 46(3): 27-33.
Zeng Jiesheng, Wang Ruibin, He Lei. Research progress on modification of TiO2 photocatalyst. New Chemical Materials, 2018, 46(3): 27-33.
链接本文:  
http://www.hgxx.org/CN/  或          http://www.hgxx.org/CN/Y2018/V46/I3/27
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