期刊
JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY
卷 26, 期 4, 页码 473-476出版社
TAYLOR & FRANCIS INC
DOI: 10.1081/DIS-200054588
关键词
gold nanoparticles; gemini surfactant; reverse micelles
Gold nanoparticles were prepared by the reduction of HAuCl4 using NaBH4 as reducing agent in a water-in-oil reverse micelles system, in which gemini surfactant 2-hydroxy-1, 3-bis ( octadecyldimethylammonium) propane dibromide (18-3( OH)-18) was used as stabilizer. The results of TEM and AFM show that the gold nanoparticles have a narrow size distribution. The UV-vis absorption spectra reveal that the gemini surfactant 18-3(OH)-18 can stabilize the gold nanoparticles for at least two months.
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