Transformation from single-mesoporous to dual-mesoporous organosilica nanoparticles

Xue Wang; Libo Zhou; Yunling Liu; Shengyan Yin; Zhen-An Qiao; Qisheng Huo

doi:10.1039/C7NR00363C

Transformation from single-mesoporous to dual-mesoporous organosilica nanoparticles†

Xue Wang,^a Libo Zhou,^b Yunling Liu,

^a Shengyan Yin,^b Zhen-An Qiao

*^a and Qisheng Huo^a

Author affiliations

* Corresponding authors

^a State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, China
E-mail: qiaozhenan@jlu.edu.cn
Fax: +86-431-85168624
Tel: +86-431-85168602

^b State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, China

Abstract

Transformation from single-mesoporous to dual-mesoporous structured organosilica nanoparticles can be achieved by simply varying the volume fraction of ethanol in the synthesis system, using lauryl sulfonate betaine and sodium dodecyl sulfonate as dual-templates. Core–shell structured dual-mesoporous organosilica nanoparticles possess smaller mesopores (4.0 nm) in the shell and flower-like larger mesopores (46 nm) in the core. Owing to the unique mesostructure, dual-mesoporous organosilica nanoparticles show a high loading capacity and a slow release rate for cargo molecules. The large mesopores on the inside can provide a large storage space for the guest molecules and the small mesopores in the outer shell act as a natural valve, slowing the release. In addition, both single-mesoporous and dual-mesoporous organosilica nanoparticles, exhibit low cell toxicity and excellent cell permeability.

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Article information

https://doi.org/10.1039/C7NR00363C

Submitted

16 Jan 2017

Accepted

06 Apr 2017

First published

07 Apr 2017

Download Citation

Nanoscale, 2017,9, 6362-6369

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Paper

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Transformation from single-mesoporous to dual-mesoporous organosilica nanoparticles

X. Wang, L. Zhou, Y. Liu, S. Yin, Z. Qiao and Q. Huo, Nanoscale, 2017, 9, 6362

DOI: 10.1039/C7NR00363C

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Transformation from single-mesoporous to dual-mesoporous organosilica nanoparticles†

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Transformation from single-mesoporous to dual-mesoporous organosilica nanoparticles

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