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https://doi.org/10.1016/j.jcrysgro.2008.01.012
Title: | Site-specific growth of ZnO nanowires from patterned Zn via compatible semiconductor processing | Authors: | Law, J.B.K. Boothroyd, C.B. Thong, J.T.L. |
Keywords: | A1. Crystal structure A1. Growth model A1. Nanostructures A2. Thermal oxidation A3. Patterned growth B1. ZnO nanowires |
Issue Date: | 1-May-2008 | Citation: | Law, J.B.K., Boothroyd, C.B., Thong, J.T.L. (2008-05-01). Site-specific growth of ZnO nanowires from patterned Zn via compatible semiconductor processing. Journal of Crystal Growth 310 (10) : 2485-2492. ScholarBank@NUS Repository. https://doi.org/10.1016/j.jcrysgro.2008.01.012 | Abstract: | An alternative method for site-selective growth of ZnO nanowires without the use of an Au catalyst or a ZnO thin-film seed layer is presented. Using conventional lithography and metallization semiconductor processing steps, regions for selective nanowire growth are defined using Zn, which acts as a self-catalyst for subsequent ZnO nanowire growth via a simple thermal oxidation process. Scanning electron microscopy, transmission electron microscopy and X-ray diffraction reveal that the nanowires grown by this technique are single-crystalline wurtzite ZnO. Room temperature photoluminescence exhibits strong ultraviolet emission from these nanowires, indicating good optical properties. A series of experiments was conducted to elucidate the unique growth behavior of these nanowires directly from the Zn grains and a growth model is proposed. © 2008 Elsevier B.V. All rights reserved. | Source Title: | Journal of Crystal Growth | URI: | http://scholarbank.nus.edu.sg/handle/10635/57426 | ISSN: | 00220248 | DOI: | 10.1016/j.jcrysgro.2008.01.012 |
Appears in Collections: | Staff Publications |
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