Journal of Colloid and Interface Science 502 (2017) 219–226 Contents lists available at ScienceDirect Journal of Colloid and Interface Science journal homepage: www.elsevier.com/locate/jcis Regular Article The structure evolution of colloidal aggregates composed of monodisperse silica nanospheres Wei Sun, Sheng-Li Chen , Huili Zhu, Mingri Xu, Aijun Wang State Key Laboratory of Heavy Oil Processing and Department of Chemical Engineering, China University of Petroleum, Changping, Beijing 102249, PR China graphical a bstract article i nfo abstract Article history: In this work, colloidal aggregates, such as higher-order clusters with polyhedral geometry, supraparticles Received 22 February 2017 with intermediate packing ordering, different inner structured supraballs with face-centered cubic order- Revised 4 May 2017 ing were produced through self-assembly of different quantities of monodisperse silica nanospheres in Accepted 4 May 2017 water-in-oil emulsion droplets which were formed by ultrasonic dispersion of silica nanospheres suspen- Available online 6 May 2017 sion into different solvents. The structure evolution of colloidal aggregates as a function of the number of constituent silica nanospheres was studied in this article. It was found that the inner structures of col- Keywords: loidal aggregates would be changed with increasing of the number of constituent silica nanospheres in Higher-order clusters different solvents.
Journal of Colloid and Interface Science – Elsevier
Published: Sep 15, 2017
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