Fabrication of Transparent Mg(OH)<sub>2</sub> Thin Films by Drop-Dry Deposition

Magnesium hydroxide (Mg(OH)<sub>2</sub>) thin films were deposited by the drop-dry deposition (DDD) method using an aqueous solution containing Mg(NO<sub>3</sub>)<sub>2</sub> and NaOH. DDD was performed by dropping the solution on a substrate, heating-drying, and...

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Main Authors: Tong Li, Masaya Ichimura
Format: Article
Language:English
Published: MDPI AG 2021-02-01
Series:Materials
Subjects:
Online Access:https://www.mdpi.com/1996-1944/14/4/724
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author Tong Li
Masaya Ichimura
author_facet Tong Li
Masaya Ichimura
author_sort Tong Li
collection DOAJ
description Magnesium hydroxide (Mg(OH)<sub>2</sub>) thin films were deposited by the drop-dry deposition (DDD) method using an aqueous solution containing Mg(NO<sub>3</sub>)<sub>2</sub> and NaOH. DDD was performed by dropping the solution on a substrate, heating-drying, and rinsing in water. Effects of different deposition conditions on the surface morphology and optical properties of Mg(OH)<sub>2</sub> thin films were researched. Films with a thickness of 1−2 μm were successfully deposited, and the Raman peaks of Mg(OH)<sub>2</sub> were observed for them. Their transmittance in the visible range was 95% or more, and the bandgap was about 5.8 eV. It was found that the thin films have resistivity of the order of 10<sup>5</sup> Ωcm. Thus, the transparent and semiconducting Mg(OH)<sub>2</sub> thin films were successfully prepared by DDD.
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spelling doaj.art-376a8be450c44978acbc876d4961eb642023-12-03T12:21:43ZengMDPI AGMaterials1996-19442021-02-0114472410.3390/ma14040724Fabrication of Transparent Mg(OH)<sub>2</sub> Thin Films by Drop-Dry DepositionTong Li0Masaya Ichimura1Department of Electrical and Mechanical Engineering, Nagoya Institute of Technology, Gokiso, Showa, Nagoya 466-8555, JapanDepartment of Electrical and Mechanical Engineering, Nagoya Institute of Technology, Gokiso, Showa, Nagoya 466-8555, JapanMagnesium hydroxide (Mg(OH)<sub>2</sub>) thin films were deposited by the drop-dry deposition (DDD) method using an aqueous solution containing Mg(NO<sub>3</sub>)<sub>2</sub> and NaOH. DDD was performed by dropping the solution on a substrate, heating-drying, and rinsing in water. Effects of different deposition conditions on the surface morphology and optical properties of Mg(OH)<sub>2</sub> thin films were researched. Films with a thickness of 1−2 μm were successfully deposited, and the Raman peaks of Mg(OH)<sub>2</sub> were observed for them. Their transmittance in the visible range was 95% or more, and the bandgap was about 5.8 eV. It was found that the thin films have resistivity of the order of 10<sup>5</sup> Ωcm. Thus, the transparent and semiconducting Mg(OH)<sub>2</sub> thin films were successfully prepared by DDD.https://www.mdpi.com/1996-1944/14/4/724Mg(OH)<sub>2</sub>drop-dry depositiontransparent conductive thin film
spellingShingle Tong Li
Masaya Ichimura
Fabrication of Transparent Mg(OH)<sub>2</sub> Thin Films by Drop-Dry Deposition
Materials
Mg(OH)<sub>2</sub>
drop-dry deposition
transparent conductive thin film
title Fabrication of Transparent Mg(OH)<sub>2</sub> Thin Films by Drop-Dry Deposition
title_full Fabrication of Transparent Mg(OH)<sub>2</sub> Thin Films by Drop-Dry Deposition
title_fullStr Fabrication of Transparent Mg(OH)<sub>2</sub> Thin Films by Drop-Dry Deposition
title_full_unstemmed Fabrication of Transparent Mg(OH)<sub>2</sub> Thin Films by Drop-Dry Deposition
title_short Fabrication of Transparent Mg(OH)<sub>2</sub> Thin Films by Drop-Dry Deposition
title_sort fabrication of transparent mg oh sub 2 sub thin films by drop dry deposition
topic Mg(OH)<sub>2</sub>
drop-dry deposition
transparent conductive thin film
url https://www.mdpi.com/1996-1944/14/4/724
work_keys_str_mv AT tongli fabricationoftransparentmgohsub2subthinfilmsbydropdrydeposition
AT masayaichimura fabricationoftransparentmgohsub2subthinfilmsbydropdrydeposition