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Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.jcis.2012.04.076
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dc.titleAn improved convective self-assembly method for the fabrication of binary colloidal crystals and inverse structures
dc.contributor.authorCai, Z.
dc.contributor.authorTeng, J.
dc.contributor.authorWan, Y.
dc.contributor.authorZhao, X.S.
dc.date.accessioned2014-10-09T06:43:22Z
dc.date.available2014-10-09T06:43:22Z
dc.date.issued2012-08-15
dc.identifier.citationCai, Z., Teng, J., Wan, Y., Zhao, X.S. (2012-08-15). An improved convective self-assembly method for the fabrication of binary colloidal crystals and inverse structures. Journal of Colloid and Interface Science 380 (1) : 42-50. ScholarBank@NUS Repository. https://doi.org/10.1016/j.jcis.2012.04.076
dc.identifier.issn00219797
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/88533
dc.description.abstractWe report an improved convective self-assembly method for the fabrication of highly ordered, crack-free binary colloidal crystals (BCCs) and the associated inverse structures in large domains at length scales of several centimeters. With this method, BCCs can be fabricated in a non-close packed pattern and binary inverse opal films can be obtained over a centimeter scale. The presence of tetraethyl orthosilicate (TEOS) sol in the self-assembly system was found to play a significant role in the resultant structures. The pseudostop band positions are adjustable via varying the number ratio of small to large polystyrene (PS) spheres. At a given TEOS-to-PS ratio, the binary inverse opal film thickness was controllable by varying the colloidal volume fraction with an upper thickness threshold (>16 layers). © 2012 Elsevier Inc.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/j.jcis.2012.04.076
dc.sourceScopus
dc.subjectBinary colloidal crystals
dc.subjectBinary inverse opals
dc.subjectConvective self-assembly
dc.subjectCrack-free
dc.subjectMacroporous
dc.typeArticle
dc.contributor.departmentCHEMICAL & BIOMOLECULAR ENGINEERING
dc.description.doi10.1016/j.jcis.2012.04.076
dc.description.sourcetitleJournal of Colloid and Interface Science
dc.description.volume380
dc.description.issue1
dc.description.page42-50
dc.description.codenJCISA
dc.identifier.isiut000306452100006
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