Control of the ZnO nanowires nucleation site using microfluidic channels

The Journal of Physical Chemistry. B
Sang Hyun LeeTakafumi Yao

Abstract

We report on the growth of uniquely shaped ZnO nanowires with high surface area and patterned over large areas by using a poly(dimethylsiloxane) (PDMS) microfluidic channel technique. The synthesis uses first a patterned seed template fabricated by zinc acetate solution flowing though a microfluidic channel and then growth of ZnO nanowire at the seed using thermal chemical vapor deposition on a silicon substrate. Variations the ZnO nanowire by seed pattern formed within the microfluidic channel were also observed for different substrates and concentrations of the zinc acetate solution. The photocurrent properties of the patterned ZnO nanowires with high surface area, due to their unique shape, were also investigated. These specialized shapes and patterning technique increase the possibility of realizing one-dimensional nanostructure devices such as sensors and optoelectric devices.

References

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Citations

Aug 25, 2011·Langmuir : the ACS Journal of Surfaces and Colloids·Zhiwei Shi, Amy V Walker
Sep 3, 2013·Philosophical Magazine : Structure and Properties of Condensed Matter·Brian PiccioneRitesh Agarwal
Sep 3, 2016·Scientific Reports·Hock Beng LeeMuhammad Yahaya
Jul 12, 2011·Nature Materials·Jaebum JooJoseph M Jacobson
Jun 7, 2008·Small·Yujun SongChalla S S R Kumar
Sep 13, 2013·Chemistry : a European Journal·Vivian Farías RiveraValentina Cauda
Aug 4, 2009·Accounts of Chemical Research·Weixin Zhang, Shihe Yang
May 6, 2010·Nano Letters·Sang Hyun LeeTakafumi Yao
Jan 10, 2008·Journal of the American Chemical Society·Pierpaolo GrecoFabio Biscarini
Jan 16, 2007·Analytical Chemistry·Mary Thompson, Richard G Compton

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