Abstract
This paper introduced a simple two-step aqueous method in which monodisperse erythrocyte-like silica nanoparticles could be prepared without surfactant and template by sol–gel method. KOH was used to form the asymmetrical silica nanoparticles through quickly condensation in rotation system. The erythrocyte-like hollow silica nanoparticles with the same external contour could be obtained by further hydrothermal. In addition, double-layer hollow erythrocyte-like and cage-like structures nanoparticles could also be acquired by hydrothermal reaction. A simple and green method was found to work in a dynamic process and produce asymmetrical structure getting rid of the minimization of interfacial energy.
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References
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This work was supported by National Natural Science Foundation of China (Grant No. 51503006).
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Wan, X., Guo, B. & Xu, J. Monodisperse erythrocyte-like and hollow erythrocyte-like silica nanoparticles prepared by a simple template-free and surfactant-free sol–gel route. J Sol-Gel Sci Technol 81, 367–371 (2017). https://doi.org/10.1007/s10971-016-4259-x
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DOI: https://doi.org/10.1007/s10971-016-4259-x