研究了阴离子表面活性剂疏水链的长度对光化学制备金纳米粒子的影响.结果发现,疏水链越长,获得的金纳米粒子的尺寸越小;特别是苯环的引入使诱导和自催化现象越加不明显.在十二烷基磺酸钠体系中获得的金纳米粒子的λmax位于540.7nm,TEM表征的平均粒径为47.1nm;十二烷基苯磺酸钠体系的λmax位于526.5nm,平均粒径为6.7nm.探讨了胶束性质对光化学制备金纳米粒子的影响.
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