TiO2微球的制备及N掺杂改性研究

材料导报, 2012, 26(8): 47-68.

TiO2微球的制备及N掺杂改性研究

王卫 ^1, , 苏明星 ^2, , 倪亚茹 ^3, , 彭枫萍 ^4, , 熊吉如 ^5, , 陆春华 ^6,

1.南京工业大学材料化学工程国家重点实验室,南京210009

2.南京工业大学材料化学工程国家重点实验室,南京210009

3.南京工业大学材料化学工程国家重点实验室,南京210009

4.南京工业大学材料化学工程国家重点实验室,南京210009

5.南京倍立达实业有限公司,南京210022

6.南京工业大学材料化学工程国家重点实验室,南京210009

关键词： N掺杂 , TiO2微球 , 光催化活性 , 光生载流子 , 氧空位

Study on Preparation and Nitrogen Doping of TiO2 Microspheres

通过水热结合热处理法制备了N掺杂和未掺杂的表面粗糙的TiO2微球.结果表明,N掺杂将TiQ2微球的光谱吸收范围拓宽到了可见光区,光谱吸收能力增强和氧空位增多是提高TiO2微球光催化活性的主要积极因素,结晶度下降和孤立的N2p能级对光生载流子的捕获起着次要的负面作用.

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材料期刊网

TiO2微球的制备及N掺杂改性研究

Study on Preparation and Nitrogen Doping of TiO2 Microspheres

参考文献