Determining the Morphology of Polystyrene-block-poly(2-vinylpyridine) Micellar Reactors for ZnO Nanoparticle Synthesis

详细信息    查看全文

• 作者：Osman C. El-Atwani ; Taner Aytun ; Omer Faruk Mutaf ; Vesna Srot ; Peter A. van Aken ; Cleva W. Ow-Yang
• 刊名：Langmuir
• 出版年：2010
• 出版时间：May 18, 2010
• 年：2010
• 卷：26
• 期：10
• 页码：7431-7436
• 全文大小：963K
• 年卷期：v.26,no.10(May 18, 2010)
• ISSN：1520-5827

文摘

We report the use of reverse PS-b-P2VP diblock copolymer micelles as true nanoscale-sized reactor vessels to synthesize ZnO nanoparticles. The reverse micelles were formed in toluene and then sequentially loaded with zinc acetate dihydrate and tetramethylammonium hydroxide reactants. Moreover, high spatial resolution Z-contrast imaging and EDX spectroscopy techniques were used to confirm the segregation of the Zn cation to the core of the loaded micelles. Determining the chemical distribution with high nanoscale spatial resolution is shown to complement the less direct characterization by AFM, DLS and FTIR, thus demonstrating broader implications for the characterization of hybrid nanocomposite systems.