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Abstract

Aspects in Mining & Mineral Science

Improved Structural and Optical Properties Of C(Carbon)-Supported Zno Nanorod Arrays

  • Open or CloseYoon IT1* and Li MK2

    1Quantum Functional Semiconductor Research Center, Republic of Korea

    2School of Materials Science and Engineering, China

    *Corresponding author: Yoon IT, Quantum Functional Semiconductor Research Center, Republic of Korea

Submission: September 03, 2019; Published: September 10, 2019

DOI: 10.31031/AMMS.2019.03.000567

ISSN : 2578-0255
Volume3 Issue3

Abstract

We have fabricated as-grown ZnO nanorods (NRs) and C(carbon)-supported NRs arrays on semi-insulating (100)-oriented Si substrates. Field emission scanning electron microscopy, X-ray diffraction, revealed that the as-grown ZnO NRs and carbon-assisted ZnO NRs were single crystals with a hexagonal wurtzite structure, and grew with a c-axis orientation perpendicular to the Si substrate. These measurements show that the carbon-supported ZnO NRs were better synthesized vertically on a Si substrate compared to the as-grown ZnO NRs. Superconducting Quantum Interference Device showed that defect concentration of the carbon-assisted ZnO NRs was remarkably reduced compared to the as-grown ZnO NRs. The reduced defect concentration of the carbon-supported ZnO demonstrates the possible improvement in the performance of photovoltaic nanodevices based on ZnO like materials.

Keywords: ZnO nanorods; Single crystal; Vapor phase transport; Magnetization; Point defects

Abbreviations: NRs: Nanorods; LEDs: Light-Emitting Diodes; VPT: Vapor-Phase Transport; SEM: Scanning Tunneling Microscopy; SQ1UID: Superconducting Quantum Interference Device; XRD: X-Ray Diffraction

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