LUMINESCENCE OF TWO-DIMENSIONAL ZnO NANOSTRUCTURES: NANOWALLS, NANOSHEETS, NANOCOMBS

A. P. Tarasov; Тарасов А. П.; L. A. Zadorozhnaya; Задорожная Л. А.; B. V. Nabatov; Набатов Б. В.; I. S. Volchkov; Волчков И. С.; V. M. Kanevsky; Каневский В. М.

doi:10.31857/S0023476123020194

LUMINESCENCE OF TWO-DIMENSIONAL ZnO NANOSTRUCTURES: NANOWALLS, NANOSHEETS, NANOCOMBS

Authors: Tarasov A.P.¹, Zadorozhnaya L.A.¹, Nabatov B.V.¹, Volchkov I.S.¹, Kanevsky V.M.¹
Affiliations:
1. Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics,” Russian Academy of Sciences, Moscow, 119333 Russia
Issue: Vol 68, No 2 (2023)
Pages: 281-284
Section: ФИЗИЧЕСКИЕ СВОЙСТВА КРИСТАЛЛОВ
URL: https://rjsvd.com/0023-4761/article/view/673510
DOI: https://doi.org/10.31857/S0023476123020194
EDN: https://elibrary.ru/BSVZEO
ID: 673510

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Abstract
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Abstract

Preliminary comparative studies of the photoluminescent properties of two-dimensional ZnO nanostructures with morphology of nanowalls, nanosheets, and nanocombs, fabricated by gas-transport synthesis, have been performed. All structures exhibited near-band-edge (NBE) UV emission of the same order of intensity. Unlike nanocombs, whose spectrum contains a comparatively strong green luminescence band, nanowalls and nanosheets are characterized by a large ratio of the UV and visible components. This distinction is presumably due to the difference in the mechanisms of structure formation: nanowalls and nanosheets are formed according to the vapor–liquid–solid mechanism, whereas nanocombs grow according to the vapor–solid mechanism

Keywords

LUMINESCENCE, TWO-DIMENSIONAL ZnO NANOSTRUCTURES

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