Micropumps Based on the Enhanced Electroosmotic Effect of Aluminum Oxide Membranes

We have successfully decorated Micro‐/nanochannel surfaces of annealed anodic aluminum oxide (AAO) membranes are decorated to greatly enhance their electroosmotic effect as well as the structural stability. The micro/nanopumps made from annealed AAO membranes with thin silica coating on the inner su...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2007-12, Vol.19 (23), p.4234-4237
Main Authors: Miao, J.-Y., Xu, Z.-L., Zhang, X.-Y., Wang, N., Yang, Z-Y., Sheng, P.
Format: Article
Language:English
Subjects:
Membranes
Microfluidic systems
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Summary:We have successfully decorated Micro‐/nanochannel surfaces of annealed anodic aluminum oxide (AAO) membranes are decorated to greatly enhance their electroosmotic effect as well as the structural stability. The micro/nanopumps made from annealed AAO membranes with thin silica coating on the inner surfaces of the nanochannels exhibited a large dynamic range of pumping rates, low operating voltages and high maximum flow rates.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.200700767