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Electrochemical Growth of Mg(OH) x Layered Films Stacked Parallel to the Substrates and Their Thermal Conversion to (111)-Oriented Nanoporous MgO Films.

ABSTRACT: Stacking layered metal hydroxide films parallel to a substrate is challenging. Here, we demonstrate a simple and rapid electrodeposition method for stacking magnesium hydroxide layered films. Room-temperature cathodic electrolysis (40 mA cm-2) in a Mg(NO3)2 aqueous solution induces the deposition of ?001?-oriented Mg(OH) x layered films stacked parallel to the substrate at the deposition rate of ?2 ?m min-1. The obtained Mg(OH) x layered films undergo an overall oriented transformation by heat treatment to form ?111?-oriented nanoporous MgO films.

SUBMITTER: Shinagawa T 

PROVIDER: S-EPMC7841930 | biostudies-literature | 2021 Jan

REPOSITORIES: biostudies-literature

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Electrochemical Growth of Mg(OH) <sub><i>x</i></sub> Layered Films Stacked Parallel to the Substrates and Their Thermal Conversion to (111)-Oriented Nanoporous MgO Films.

Shinagawa Tsutomu T   Chigane Masaya M   Izaki Masanobu M  

ACS omega 20210111 3

Stacking layered metal hydroxide films parallel to a substrate is challenging. Here, we demonstrate a simple and rapid electrodeposition method for stacking magnesium hydroxide layered films. Room-temperature cathodic electrolysis (40 mA cm<sup>-2</sup>) in a Mg(NO<sub>3</sub>)<sub>2</sub> aqueous solution induces the deposition of ⟨001⟩-oriented Mg(OH) <sub><i>x</i></sub> layered films stacked parallel to the substrate at the deposition rate of ∼2 μm min<sup>-1</sup>. The obtained Mg(OH) <sub><  ...[more]

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