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  • 湖南快乐十分湖南快乐十分官网湖南快乐十分网址湖南快乐十分注册湖南快乐十分app湖南快乐十分平台湖南快乐十分邀请码湖南快乐十分网登录湖南快乐十分开户湖南快乐十分手机版湖南快乐十分app下载湖南快乐十分ios湖南快乐十分可靠吗
    1. 10-13/07/2017, Alice Chan and Liu Yang attended the 13th International Conference on Materials Chemistry held in Liverpool, UK. Liu Yang's poster was awarded Materials Chemistry Division Poster Prize.
    2. 01-02/06/2017, Prof. Yu attended the Applied Environmental Nanotechnology Workshop held at HKUST in Hong Kong.
    3. 16/03/2017, Prof. Jihong Yu, an academician of the Chinese Academy of Sciences, visited our lab.
    4. 22/12/2016, Prof. Yu attended CUHK-SUSTech Bilateral Symposium and delivered a speech entitled "Photocatalytic Technology-From Lab to Market".
    5. 03/10/2016, Donald Chan's poster was awarded second prize at the Sunney I Chan 80th Birthday Symposium on Chemical and Biological Approaches for Energy and Sustainability held in Hong Kong.
    6. 13/03/2015, Dr. Zhang's paper (Chemical modification of inorganic nanostructures for targeted and controlled drug delivery in cancer treatment) was selected as a Most Accessed Article for 2014 of Journal of Materials Chemistry B.
    • ENVIRONMENTAL CHEMISTRY II: INDUSTRIAL
    • CHEMICAL TREATMENT PROCESSES

    Environmental applications of photocatalysis

    Air and water pollution is a very serious problem over the world. The application of photocatalysis for pollution treatment has attracted considerable attention in recent years. Titanium dioxide based photocatalytic coatings have immense industrial potentials because they possess many desirable properties. As shown in the scheme, when a photocatalyst (anatase TiO2) is illuminated by sunlight or near UV, it initiates a series of chemical reactions involving water vapor and oxygen in the air. This photochemical process generates a very powerful oxidizing agent, hydroxyl radicals. These radicals can oxidize common air pollutants such as volatile organic compounds, and convert them to environmentally acceptable products. This material is also anti-fogging and self-cleaning. Thousands of commercial products can be developed with this new technology.

    Our research efforts in recent years have focused on the topics related to TiO2 photocatalysis. The main emphasis of our research is to prepare a series of novel TiO2 photocatalysts and discover efficient ways to make highly effective and durable thin film coatings. We have been successful in preparing new TiO2-metal oxide photocatalysts including solid solutions of Ti1-xVxO2, Ti1-xSnxO2, Ti1-xZrxO2 and rare-earth oxide mixed catalysts. Results show that these new materials exhibits much enhanced photocatalytic activity in the degradation of air pollutants.

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