以氯金酸为原料,DMF(N,N.二甲基甲酰胺)为溶剂及还原荆,苯乙烯-马来酸酐共聚物为大分子稳定剂,合成了金纳米微粒.通过紫外-可见吸收光谱、透射电子显微镜等方法对纳米金样品进行了表征.结果表明:所得到的金纳米微粒可以在520 nm~530 nm.范围内产生明显的纳米金所具有的特征等离子共振吸收峰,金纳米微粒的尺寸在3 nm~5nm且具有较窄的分布,证明苯乙烯-马来酸酐共聚物可以对金纳米微粒表面产生较好的修饰作用,从而为制备纳米金材料提供了一种新的途径.
参考文献
[1] | Marie-Christine Daniel;Didier Astruc .Gold Nanoparticles:Assembly,Supramolecular Chemistry,Quantum-Size-Related Properties,and Applications toward Biology,Catalysis,and Nanotechnology[J].Chemical Reviews,2004(1):293-346. |
[2] | Nikhil R. Jana;Latha Gearheart;Catherine J. Murphy .Seeding Growth for Size Control of 5-40 nm Diameter Gold Nanoparticles[J].Langmuir: The ACS Journal of Surfaces and Colloids,2001(22):6782-6786. |
[3] | David A.Fleming;Mary Elizabeth Williams .Size-Controlled Synthesis of Gold Nanoparticles via High-Temperature Reduction[J].Langmuir: The ACS Journal of Surfaces and Colloids,2004(8):3021-3023. |
[4] | Pastoriza-Santos I.;Liz-Marzan LM. .Formation of PVP-protected metal nanoparticles in DMF[J].Langmuir: The ACS Journal of Surfaces and Colloids,2002(7):2888-2894. |
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