Growth of ZnO nanorods on graphite substrate and its application for Schottky diode

Title
Growth of ZnO nanorods on graphite substrate and its application for Schottky diode
Author(s)
박일규남광희백성호[백성호]
Keywords
GRAPHENE; SILICON; HETEROJUNCTIONS; DEVICES; ARRAYS; FILMS
Issue Date
201411
Publisher
ELSEVIER SCIENCE SA
Citation
JOURNAL OF ALLOYS AND COMPOUNDS, v.613, pp.37 - 41
Abstract
We report on the growth of ZnO nanorods (NRs) grown on graphite and silicon substrates via an all-solution process and also studied the characteristics of their heterojunctions. Structural investigations indicated that morphological and crystalline properties were not significantly different for the ZnO NRs on both substrates. However, optical properties from photoluminescence spectra showed that the ZnO NRs on graphite substrate contained more point defects than that on Si substrate. The ZnO NRs on both substrates showed typical rectification properties exhibiting successful diode formation. The hetero-junction between the ZnO NRs and the graphite substrate showed a Schottky diode characteristic and photoresponse under ultraviolet illumination at a small reverse bias of -0.1 V. The results showed that the graphite substrate could be a good candidate for a Schottky contact electrode as well as a conducting substrate for electronic and optoelectronic applications of ZnO NRs. (C) 2014 Elsevier B.V. All rights reserved.
URI
http://hdl.handle.net/YU.REPOSITORY/30487http://dx.doi.org/10.1016/j.jallcom.2014.05.110
ISSN
0925-8388
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공과대학 > 전자공학과 > Articles
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