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Issue 28, 2017
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Amphi-functional mesoporous silica nanoparticles for dye separation

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Abstract

Synthesis of amphi-functional mesoporous silica nanoparticles (∼80 nm) by stepwise chemical modifications of outer and inner pore surfaces is reported. These materials display a clear “Janus” like character and are able to selectively and completely separate hydrophobic dyes form a mixture of dyes. Our results clearly suggest a clear partition of more hydrophobic dyes into the pores from a mixture of two dyes. In addition this material displays a remarkable recycling ability for 10 cycles with up to ∼99% dye removal from water.

Graphical abstract: Amphi-functional mesoporous silica nanoparticles for dye separation

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Article information


Submitted
05 May 2017
Accepted
21 Jun 2017
First published
21 Jun 2017

J. Mater. Chem. A, 2017,5, 14914-14921
Article type
Paper

Amphi-functional mesoporous silica nanoparticles for dye separation

P. Shinde, S. S. Gupta, B. Singh, V. Polshettiwar and Bhagavatula L. V. Prasad, J. Mater. Chem. A, 2017, 5, 14914
DOI: 10.1039/C7TA03904B

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