Fabrication and characteristics of ZnO nanorods grown on Zn substrates by the hydrothermal method (수열합성법에 의해 Zn 기판 위에 제조된 ZnO 나노로드의 특성)

성지혜; 김진호; Jonghee Hwang (황종회); 임태영; Deuk Ho Yeon (연득호); 조용수

Fabrication and characteristics of ZnO nanorods grown on Zn substrates by the hydrothermal method

Journal of the Korean Crystal Growth and Crystal Technology
Abbr : J. Korean Cryst. Growth Cryst. Technol.
2011, 21(4), pp.147-152
Publisher : The Korea Association Of Crystal Growth, Inc.
Research Area : Engineering > Materials Science and Engineering

성지혜 ¹, 김진호 ¹, Jonghee Hwang ¹, 임태영 ¹, Deuk Ho Yeon ², 조용수 ²

¹한국세라믹기술원
²연세대학교

Accredited

ABSTRACT

ZnO nanorods fabricated on a Zn substrate pre-coated with ZnO as a seed layer by the hydrothermal method were studied mainly as a function of ZnO precursor concentration. Characteristic features by using field-emission scanning electron microscopy (FE-SEM) and X-ray diffraction (XRD) were investigated to define the changed micro-structure and crystalline phase of the ZnO nanorods according to the experimental conditions. The nanorod morphology strongly depended on the precursor concentration. For example, ZnO nanorods vertically aligned with a hexagonal (002) oriented structure with a diameter of 600~700 nm and length of 6.75 μm were clearly observed at the highest concentration of 0.015 M. The strong hexagonal structure was believed to be associated with the highest photoluminescene (PL) intensity and a promising voltage value of ca. 6.069 V at 1000 μA.

KEYWORDS

ZnO, Nanorod, Hydrothermal method

Citation status

* References for papers published after 2023 are currently being built.

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