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Paper
J. Mater. Chem., 2008, 18, 408 - 415, DOI: 10.1039/b714288a
A novel approach to the construction of 3-D ordered macrostructures with polyhedral particles
Yonghui Deng, Chong Liu, Jia Liu, Fan Zhang, Ting Yu, Fuqiang Zhang, Dong Gu and Dongyuan Zhao
A novel and facile approach was developed for the fabrication of 3-D ordered macrostructures of polyhedral particles through coating and packing of monodisperse polystyrene-co-poly[3-(trimethoxylsilyl)propyl methacrylate] (St-co-TMSPM) microspheres with the amphiphilic triblock copolymer F127 and phenolic resol by centrifugation, and subsequent thermosetting treatment of the deposited microspheres. The polyhedral particles possess a regular shape of rhombic dodecahedra (
1 µm) due to the spontaneous deformation of the fcc packed polymeric microspheres coated with resol–F127 composites during the thermosetting process. The amphiphilic triblock copolymer F127 plays a vital role in the formation of the ordered macrostructured polyhedral particles with compatible poly(St-co-TMSPM)–resin composites. The simplicity of the fabrication method should open up a new door to the synthesis of nonspherical particles and the construction of ordered macrostructures that possess unique properties for potential application in various fields such as photonic crystals.
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