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Issue 7, 2014
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Facile synthesis of mesoporous silica and titania supraparticles by a meniscus templating route on a superhydrophobic surface and their application to adsorbents

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Abstract

Mesoporous silica and titania supraparticles with controllable pore size, particle size, and macroscopic morphology were readily synthesized by a novel synthetic pathway using meniscus templating on a superhydrophobic surface, which is much simpler than well-known emulsion systems. Moreover, we first report that despite the very large radius of droplet curvature on a millimeter scale, supraparticles kept the round cap morphology due to addition of sucrose as a shape preserver as well as a pore-forming agent. In addition, mesoporous silica and titania supraparticles provided good adsorption performance for Acid Blue 25 and Cr(VI), and were easily separated from the solution by using a scoop net after adsorption tests.

Graphical abstract: Facile synthesis of mesoporous silica and titania supraparticles by a meniscus templating route on a superhydrophobic surface and their application to adsorbents

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Article information


Submitted
16 Oct 2013
Accepted
23 Nov 2013
First published
26 Nov 2013

Nanoscale, 2014,6, 3483-3487
Article type
Communication

Facile synthesis of mesoporous silica and titania supraparticles by a meniscus templating route on a superhydrophobic surface and their application to adsorbents

D. Lee, M. Jin, C. Lee, D. Oh, S. Ryi, J. Park, J. Bae, Y. Lee, S. Park and Y. Choi, Nanoscale, 2014, 6, 3483
DOI: 10.1039/C3NR05501A

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