Determining the morphology of polystyrene-block-Poly(2-vinylpyridine) micellar reactors for ZnO nanoparticle synthesis
El-Atwani, Osman and Aytun, Taner and Mutaf, Ömer Faruk and Srot, Vesna and van Aken, Peter A. and Ow-Yang, Cleva W. (2010) Determining the morphology of polystyrene-block-Poly(2-vinylpyridine) micellar reactors for ZnO nanoparticle synthesis. Langmuir, 26 (10). pp. 7431-7436. ISSN 0743-7463
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Official URL: http://dx.doi.org/10.1021/la904143f
We report the use of reverse PS-b-P2VP diblock co-polymer micelles as true nanoscale-sized reactor vessels for the synthesize ZnO nanoparticles. 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 powerfully complements the less direct characterization by AFM, DLS and FTIR, thus demonstrating broader implications for the characterization of hybrid nanocomposite systems.
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