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环境化学  2015 

水介质中C60纳米晶体颗粒的扩散状态对其光化学反应活性的影响研究

Keywords: C60纳米晶体颗粒,扩散状态,光化学反应活性

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Abstract:

研究了阳离子表面活性剂CTAB,阴离子表面活性剂SDS和非离子表面活性剂TX-100和TX-405对水介质中C60纳米晶体颗粒的光化学反应活性诱导效应.结果表明,在阳离子表面活性剂CTAB、阴离子表面活性剂SDS和非离子表面活性剂TX-405中,C60纳米晶体颗粒没有显示明显的光化学反应活性,而非离子表面活性剂TX-100能够明显诱导C60的光化学反应活性.紫外-可见吸收光谱、DLS分析和TEM成像都表明,在TX-100溶液中,C60从聚集状态向分子状态转变,尺寸变小,因而恢复其分子态C60的光化学反应活性.

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