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|Title:||Fabrication of binary colloidal crystals and non-close-packed structures by a sequential self-assembly method|
|Citation:||Zhou, Z., Yan, Q., Li, Q., Zhao, X.S. (2007-01-30). Fabrication of binary colloidal crystals and non-close-packed structures by a sequential self-assembly method. Langmuir 23 (3) : 1473-1477. ScholarBank@NUS Repository. https://doi.org/10.1021/la062601v|
|Abstract:||Binary colloidal films of polystyrene (PS) spheres and silica spheres were fabricated with a sequential growth method using differently sized colloidal particles. In particular, we demonstrate the structures formed by a silica monolayer growing on top of a PS monolayer and a silica multilayer growing on top of a PS monolayer. By removal of the bottom PS layers, non-close-packed hexagonal, pentagonal, and square silica arrays were obtained at the original silica/PS interface. The possible formation mechanism of the non-close-packed structure was discussed, which may be used to explain how 3D colloidal crystals grow on patterned substrates. © 2007 American Chemical Society.|
|Appears in Collections:||Staff Publications|
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