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나노 구조 물리 연구단
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Polychromatic ZnO/CdxZn1-xO composite nanorods prepared by simple chemical methods: nanoscale optical characteristics

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Title
Polychromatic ZnO/CdxZn1-xO composite nanorods prepared by simple chemical methods: nanoscale optical characteristics
Author(s)
Min Su Kim; Jubok Lee; Jeongyong Kim
Publication Date
2014-10
Journal
OPTICAL MATERIALS EXPRESS, v.4, no.10, pp.1987 - 1996
Publisher
OPTICAL SOC AMER
Abstract
We report the fabrication and nanoscale optical characteristics of polychromatic ZnO/CdxZn1-xO composite nanorods prepared by simple hydrothermal and sol-gel chemical methods. Hydrothermally grown ~300 nm diameter and ~3.5 μm long ZnO nanorods were coated, using the sol-gel method, with a thin CdxZn1-xO layer having a spatially varying Cd mole fraction, where x ranged from x = 0 to 1. Full control of the emission color, including white emission, was achieved by simply varying the local Cd mole fraction along the single ZnO/CdxZn1-xO nanorod. The continuous variation of the optical band gap energy along the single nanorod was visualized using nanoscale confocal absorption spectral imaging.
URI
https://pr.ibs.re.kr/handle/8788114/888
ISSN
2159-3930
Appears in Collections:
Center for Integrated Nanostructure Physics(나노구조물리 연구단) > Journal Papers (저널논문)
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