Fabrication of Size-Controllable Hexagonal Non-Close-Packed Colloidal Crystals and Binary Colloidal Crystals by Pyrolysis Combined with Plasma-Electron Coirradiation of Polystyrene Colloidal Monolayer

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We present an unprecedented and systematic route to controllably fabricate hexagonal, non:close-packed (hncp) monolayer colloidal crystals and binary colloidal crystals (BCCS)based on plasma-electron coirradiation of polystyrene colloidal monolayers followed by thermal, decomposition.. Hncp colloidal crystals with tunable particle sizes and periods could be fabricated by changing the pristine colloidal particle size and the thermal decomposition time. In addition, BCCs and trimodal colloidal crystals that are composed of different sized colloidal particles can also be fabricated by adding small particles on the prepared hncp colloidal crystals. Both the particle size ratio and the volume fraction of the BCCs can be widely tuned. These hncp colloidal crystals and BCCs have various potential applications as optical and photonic materials as well as in catalysis and sensors.
Publisher
AMER CHEMICAL SOC
Issue Date
2011-03
Language
English
Article Type
Article
Keywords

IRRADIATION; SPHERES; LITHOGRAPHY; SURFACES; SUPERLATTICES; NANOPARTICLES; MORPHOLOGY; POLYMERS; ARRAYS; RANGE

Citation

LANGMUIR, v.27, no.6, pp.2334 - 2339

ISSN
0743-7463
DOI
10.1021/la104881w
URI
http://hdl.handle.net/10203/100886
Appears in Collection
NE-Journal Papers(저널논문)
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