Journal
CHEMISTRY OF MATERIALS
Volume 24, Issue 21, Pages 4036-4042Publisher
AMER CHEMICAL SOC
DOI: 10.1021/cm3011524
Keywords
block copolymer; nanoparticle; self-assembly; templating; morphology
Funding
- Australian Research Council
- Australian American Association
- DOE Office of Science (DOE SCGF)
- MRSEC Program of the National Science Foundation [DMR-1121053]
- National Heart, Lung, and Blood Institute, National Institutes of Health, Department of Health and Human Services [HHSN268201000046C]
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We present a versatile strategy to prepare a range of nanostructured poly(styrene)-block-poly(2-vinyl pyridine) copolymer particles with tunable interior morphology and controlled size by a simple solvent exchange procedure. A key feature of this strategy is the use of functional block copolymers incorporating reactive pyridyl moieties which allow the absorption of metal salts and other inorganic precursors to be directed. Upon reduction of the metal salts, well-defined hybrid metal nanoparticle arrays could be prepared, whereas the use of oxide precursors followed by calcination permits the synthesis of silica and titania particles. In both cases, ordered morphologies templated by the original block copolymer domains were obtained.
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