The authors demonstrate a simple and fast method to grow ZnO nanorod arrays (NRAs) on patterned seed layer through low temperature solution growth. Spatial organization of nanorods was controlled by poly(methyl methacrylate) (PMMA) template patterned by nanoimprint lithography. For vertical growth of ZnO NRAs, the striped PMMA film placed above the ZnO seed layer restrained the growth of nanorods due to the inhibited contact between nucleation sites and nutrients. For horizontal growth of ZnO NRAs, postdeposition growth increases the diameter and length of the ZnO nanorods; thus improving the inter-rod connectivity of the self-assembled nanorods. The versatile all-solution manipulation of ZnO NRAs at low temperature using polymer templates patterned by nanoimprint presents a facile route toward practical electronic and optoelectronic applications of one-dimensional ZnO nanostructures.
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November 2012
Research Article|
September 07 2012
Template-assisted assembly of ZnO nanorods with postdeposition growth
Tao-Hua Lee;
Tao-Hua Lee
Department of Electrical and Computer Engineering, Texas A&M University
, College Station, Texas 77843
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Hung-Jue Sue;
Hung-Jue Sue
Department of Mechanical Engineering and Polymer Technology Center, Texas A&M University
, College Station, Texas 77843
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Xing Cheng
Xing Cheng
a)
Department of Electrical and Computer Engineering and Polymer Technology Center, Texas A&M University
, College Station, Texas 77843
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a)
Electronic mail: chengx@ece.tamu.edu
J. Vac. Sci. Technol. B 30, 06FF01 (2012)
Article history
Received:
June 26 2012
Accepted:
August 13 2012
Citation
Tao-Hua Lee, Hung-Jue Sue, Xing Cheng; Template-assisted assembly of ZnO nanorods with postdeposition growth. J. Vac. Sci. Technol. B 1 November 2012; 30 (6): 06FF01. https://doi.org/10.1116/1.4750036
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