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학술지 Two-Dimensional ZnO-NiO Macroporous Arrays: Fabrication, Structure and Electrical Properties
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저자
문제현, Jong-Sook Lee, 박진아, 이수재, 정태형
발행일
201009
출처
Electrochimica Acta, v.55 no.22, pp.6849-6856
ISSN
0013-4686
출판사
Elsevier
DOI
https://dx.doi.org/10.1016/j.electacta.2010.05.081
협약과제
09ZH1300, ETRI 연구역량 강화를 위한 R&D체계 구축 및 Seed형 기술개발을 위한 창의형 연구 사업, 현창희
초록
Colloidal templating and pulsed laser deposition were combined to fabricate arrays of ordered two-dimensional macroporous ZnO-NiO thin films. The underlying principles involved in the formation of colloidal templates were investigated using Fourier transformations and radial distribution functions. The macroporous thin film consists of hollow half-spheres of nanocrystalline wurtzite ZnO and rock salt NiO. The electrical properties of macroporous ZnO-NiO thin films were investigated by impedance and DC current-voltage measurements. The electrical properties are controlled by the interfaces between oxide grains. The potential applications such as gas sensors and optics are discussed. © 2010 Elsevier Ltd. All rights reserved.
키워드
Collidal templating, Impedance spectroscopy, NiO, Pulsed laser deposition, ZnO
KSP 제안 키워드
Colloidal templates, Colloidal templating, Current-voltage measurement, DC current, Impedance spectroscopy(IS), NiO thin films, Potential applications, Pulsed-laser deposition(PLD), Radial Distribution Function(RDF), Rock salt, Wurtzite ZnO