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Issue 1, 2011
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Practical approach for macroporous structure embedded microfluidic system and the catalytic microchemical application

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Abstract

We present a low cost and practical approach to integrate 3D ordered macroporous polyfluoropolyether (PFPE) patterns into a microchannel by a series of porous pattern fabrication processes and subsequent photolithography in a site- and shape-selective manner. The 3D ordered macroporous patterns with high-resolution edges were firstly fabricated by microtransfer molding (μ-TM) of the sacrificial polystyrene (PS) template infiltrated with PFPE as a non-adhesive and solvent-resistant skeletal material. The resulting robust PFPE porous structures with high solvent resistance on a silicon wafer can easily be embedded into the microchannel with the aid of conventional photolithography, leading to a microfluidic system with a built-in microstructure. Moreover, catalyticPd nanoparticles implanted on the surface of the porous structure were obtained by use of Pd nanoparticle deposited PS spheres, the porous structure embedded channel was utilized to perform a Suzuki coupling reaction.

Graphical abstract: Practical approach for macroporous structure embedded microfluidic system and the catalytic microchemical application

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Article information


Submitted
15 Jun 2010
Accepted
04 Oct 2010
First published
17 Nov 2010

Lab Chip, 2011,11, 57-62
Article type
Paper

Practical approach for macroporous structure embedded microfluidic system and the catalytic microchemical application

Z. Xiao, Y. Zhao, A. Wang, J. Perumal and D. Kim, Lab Chip, 2011, 11, 57
DOI: 10.1039/C0LC00108B

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