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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/41313

Title: Characterization of Radial ZnO-Core/ZnS-Shell Nanowire Heterostructures ALD-Deposited at Atmospheric Pressure Using DEZn, N2O and DTBS
Authors: Sheng-Wen Wen
Bo-Hao Huang
Jun-Jie Kang
Tai-Yuan Lin
Hsun-Feng Hsu
Ho-Ching Ni
Ching-Hsiang Hou
Hui Ting Lai
Jyh-Rong Gong
Contributors: 國立臺灣海洋大學:光電科學研究所
Keywords: X-ray diffraction
Atomic layer deposition
Crystal structure
Photoluminescence
Semiconducting II-VI materials
Zinc oxides
Date: 2016
Issue Date: 2017-02-14T03:54:22Z
Publisher: ECS Journal of Solid State Science Technology
Abstract: Abstract: In this study, radial ZnO-core/ZnS-shell nanowire heterostructures were deposited at atmospheric pressure by atomic layer deposition (ALD) using diethylzinc (DEZn), nitrous oxide (N2O) and ditert-butylsulfide (DTBS) precursors. The structural and optical properties of radial ZnO-core/ZnS-shell nanowire heterostructures were characterized using θ-2θX-ray diffraction (XRD), high resolution transmission electron microscopy (HRTEM), scanning electron microscopy (SEM), and photoluminescence spectroscopy (PL). It was found that both ZnO-core and ZnS-shell of the ALD-deposited radial ZnO-core/ZnS-shell nanowire heterostructure were wurtzite in nature based upon the results of HRTEM investigations. Moiré fringes were identified in the radial ZnO-core/ZnS-shell nanowire structure with an observed period being in good agreement with the lattice mismatch between ZnO-core and ZnS-shell of the pseudomorphic ZnO-core/ZnS-shell nanowire heterostructure. Neutral donor excitonic emissions (D°X) along with related longitudinal optical phonon (LO) replicas of ZnO cores were observed in the 10 K PL of the ALD-deposited radial ZnO-core/ZnS-shell nanowire heterostructures.
Relation: 5(12)
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/41313
Appears in Collections:[光電科學研究所] 期刊論文

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