Journal
MATERIALS & DESIGN
Volume 98, Issue -, Pages 41-46Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.matdes.2016.03.009
Keywords
Mesoporous silica nanoparticle; Colloidal crystal; Hard template; Confined space synthesis; Morphology control
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Funding
- China Scholarship Council (CSC) [2009615071]
- Natural Science Foundation of China [21536009, 21576221, 21306151]
- Specialized Research Fund for the Doctoral Program of Higher Education of China [20136101120008]
- Natural Science Foundation of Shaanxi [2014JQ2054]
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Mesoporous silica nanoparticles with a three dimensionally ordered close-packing structure (3DOc-p MSNs) were confined synthesis through steam-assisted crystallization (SAC). With a perfect replication from the three dimensionally ordered mesoporous carbon template, the obtained 3DOc-p MSNs presented a unique assembly structure of colloidal crystals composed of uniform mesoporous silica spherical particles with a controllable particle size ranged from 10 to 160 nm and various mesopore morphologies of hollow, multicellar, disordered wormlike, and ordered structures with the increasing of the confined space provided by the carbon template. Moreover, sonication induced fragmentation of 10, 20, and 40 nm 3DOc-p MSNs resulted in the clear suspensions of highly monoclispersecl mesoporous silica nanoparticles. (C) 2016 Elsevier Ltd. All rights reserved.
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