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Published in: Colloid and Polymer Science 9/2017

05-07-2017 | Original Contribution

Process optimization and optical properties of colloidal self-assembly via refrigerated centrifugation

Authors: Chunxia Hua, Hongbo Xu, Panpan Zhang, Xiaoyi Chen, Yueye Lu, Yang Gan, Jiupeng Zhao, Yao Li

Published in: Colloid and Polymer Science | Issue 9/2017

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Abstract

This paper presents a detailed study of the influence of various parameters on refrigerated centrifugation (RC) of polymer colloidal crystals self-assembly. Refrigerated centrifugation could accuracy control the centrifugal temperature. Specifically, an experimental design using poly(styrene-methyl methacrylate-acrylic acid) (P(St-MMA-AA)) nanospheres was implemented to optimize the RC procedure by varying some parameters such as colloidal concentration, rotational velocity, and centrifugal temperature. The obtained colloidal crystals were characterized with respect to their morphology, periodicity, reflectance spectroscopy, and 3D surface roughness. The optimum conditions for RC fell in a narrow window, with which we obtained nearly perfect, crack-free, centimeter-sized, self-supporting, face-centered cubic colloidal crystals. The results demonstrate that the obtained P(St-MMA-AA) process parameters could be used as an operating template for other colloidal self-assemblies via refrigerated centrifugation.

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Appendix
Available only for authorised users
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Metadata
Title
Process optimization and optical properties of colloidal self-assembly via refrigerated centrifugation
Authors
Chunxia Hua
Hongbo Xu
Panpan Zhang
Xiaoyi Chen
Yueye Lu
Yang Gan
Jiupeng Zhao
Yao Li
Publication date
05-07-2017
Publisher
Springer Berlin Heidelberg
Published in
Colloid and Polymer Science / Issue 9/2017
Print ISSN: 0303-402X
Electronic ISSN: 1435-1536
DOI
https://doi.org/10.1007/s00396-017-4121-x

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