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Ordering Control of Self-Assembled Colloidal Crystals

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dc.contributor.author Koh, Yaw Koon
dc.contributor.author Chiang, Yet-Ming
dc.contributor.author Wong, Chee Cheong
dc.date.accessioned 2007-01-31T16:05:42Z
dc.date.available 2007-01-31T16:05:42Z
dc.date.issued 2007-01
dc.identifier.uri http://hdl.handle.net/1721.1/35831
dc.description.abstract Colloidal crystals are 3D nanostructures formed by self assembly of nanoparticles in suspension. The interaction forces between the colloid particles are expected to affect the ordering and the defect density in the resultant crystal. Based on this insight, the effect of ionic strength on the quality of the colloidal crystal is examined. It is found that at intermediate ionic strength, it is possible to get the best ordering of the colloidal crystal. The reason for this is explained based on previous work on the structural changes in an assembling colloidal crystal. A method for reducing the defect density in colloidal crystal will also be proposed. en
dc.description.sponsorship Singapore-MIT Alliance (SMA) en
dc.format.extent 897943 bytes
dc.format.mimetype application/pdf
dc.language.iso en en
dc.relation.ispartofseries Advanced Materials for Micro- and Nano-Systems (AMMNS) en
dc.subject Colloid en
dc.subject Self Assembly en
dc.title Ordering Control of Self-Assembled Colloidal Crystals en
dc.type Article en


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