Formation of single crystalline ZnO nanotubes without catalysts and templates

Samuel L. Mensah; Vijaya K. Kayastha; Ilia N. Ivanov; David B. Geohegan; Yoke Khin Yap

doi:10.1063/1.2714186

Formation of single crystalline ZnO nanotubes without catalysts and templates

Samuel L. Mensah, Vijaya K. Kayastha, Ilia N. Ivanov, David B. Geohegan, Yoke Khin Yap

Functional Hybrid Nanomaterials

Research output: Contribution to journal › Article › peer-review

91 Scopus citations

Abstract

Oxide and nitride nanotubes have gained attention for their large surface areas, wide energy band gaps, and hydrophilic natures for various innovative applications. These nanotubes were either grown by templates or multistep processes with uncontrollable crystallinity. Here the authors show that single crystal ZnO nanotubes can be directly grown on planar substrates without using catalysts and templates. These results are guided by the theory of nucleation and the vapor-solid crystal growth mechanism, which is applicable for transforming other nanowires or nanorods into nanotubular structures.

Original language	English
Article number	113108
Journal	Applied Physics Letters
Volume	90
Issue number	11
DOIs	https://doi.org/10.1063/1.2714186
State	Published - 2007

Funding

One of the authors (Y.K.Y.) thanks support from the U.S. Department of Army (Grant No. W911NF-04-1-0029, through the City College of New York) and the Center for Nanophase Materials Sciences sponsored by the Division of Materials Sciences and Engineering, U.S. Department of Energy, under Contract No. DE-AC05-00OR22725 with UT-Battelle, LLC. This work is in part supported by National Science Foundation CAREER award (DMR 0447555).

Funders	Funder number
Center for Nanophase Materials Sciences
U.S. Department of Army	W911NF-04-1-0029
National Science Foundation	DMR 0447555
U.S. Department of Energy	DE-AC05-00OR22725
City College of New York
Division of Materials Sciences and Engineering

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Formation of single crystalline ZnO nanotubes without catalysts and templates

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