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Issue 23, 2014
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Highly integrated synthesis of heterogeneous nanostructures on nanowire heater array

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Abstract

We have proposed a new method for the multiplexed synthesis of heterogeneous nanostructures using a top-down fabricated nanowire heater array. Hydrothermally synthesized nanostructures can be grown only on the heated nanowire through nanoscale temperature control using a Joule heated nanowire. We have demonstrated the selective synthesis of zinc oxide (ZnO) nanowires and copper oxide (CuO) nanostructures, as well as their surface modification with noble metal nanoparticles, using a nanowire heater array. Furthermore, we could fabricate an array of heterogeneous nanostructures via Joule heating of individual nanowire heaters and changing of the precursor solutions in a sequential manner. We have formed a parallel array of palladium (Pd) coated ZnO nanowires and gold (Au) coated ZnO nanowires, as well as a parallel array of ZnO nanowires and CuO nanospikes, in the microscale region by using the developed method.

Graphical abstract: Highly integrated synthesis of heterogeneous nanostructures on nanowire heater array

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Article information


Submitted
25 Jul 2014
Accepted
26 Sep 2014
First published
23 Oct 2014

Nanoscale, 2014,6, 14428-14432
Article type
Paper

Highly integrated synthesis of heterogeneous nanostructures on nanowire heater array

C. Y. Jin, J. Yun, J. Kim, D. Yang, D. H. Kim, J. H. Ahn, K. Lee and I. Park, Nanoscale, 2014, 6, 14428
DOI: 10.1039/C4NR04216F

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