Rapid Assembly of Colloidal Monolayer for the Synthesis of Surface Anisotropic Particles

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A facile and efficient technique for synthesizing rapid and large-scale colloidal monolayer is introduced to obtain surface anisotropic particles. Silica particles grafted with long alkyl chains are rapidly organized into monolayer assemblies by implementing water-film climbing and convective particle assembly on glass slides. Assembled particles are modified into surface-anisotropic particles utilizing physical vapor deposition with a magnetically active material. The magnetic hemisphere enables separation of modified and unmodified surface-anisotropic particles. The proposed methodology can lead to a large-scale production opportunity for surface-anisotropic particles.
Publisher
AMER CHEMICAL SOC
Issue Date
2011-07
Language
English
Article Type
Article
Keywords

JANUS PARTICLES; SILICA PARTICLES; SILANOL GROUPS; NANOPARTICLES; FABRICATION; CRYSTALS; DESIGN; ARRAYS; MICROPARTICLES; DEPOSITION

Citation

ACS APPLIED MATERIALS INTERFACES, v.3, no.7, pp.2392 - 2397

ISSN
1944-8244
DOI
10.1021/am200301s
URI
http://hdl.handle.net/10203/104137
Appears in Collection
CBE-Journal Papers(저널논문)
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