Synthesis of ZnO Al2O3 core-shell nanocomposite materials by fast and facile microwave irradiation method and investigation of their optical properties

Obaidullah, Md.; Furusawa, Takeshi; Siddiquey, Iqbal Ahmed; Sato, Masahide; Suzuki, Noboru

doi:10.1016/j.apt.2017.07.020

Cited by 13 publications

(3 citation statements)

References 27 publications

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“…Microwave solvothermal synthesis of ZnO nanocomposites or ZnO hybrid nanostructures without any additional heat treatment, where the literature review results [ 798 , 799 , 800 , 801 , 802 , 803 , 804 , 805 , 806 , 807 , 808 , 809 , 810 , 811 , 812 , 813 , 814 , 815 , 816 , 817 , 818 , 819 , 820 , 821 , 822 ] are summarised in Table 11.…”

Section: Microwave Solvothermal Synthesis Of Znomentioning

confidence: 99%

A Review of Microwave Synthesis of Zinc Oxide Nanomaterials: Reactants, Process Parameters and Morphologies

2020

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Zinc oxide (ZnO) is a multifunctional material due to its exceptional physicochemical properties and broad usefulness. The special properties resulting from the reduction of the material size from the macro scale to the nano scale has made the application of ZnO nanomaterials (ZnO NMs) more popular in numerous consumer products. In recent years, particular attention has been drawn to the development of various methods of ZnO NMs synthesis, which above all meet the requirements of the green chemistry approach. The application of the microwave heating technology when obtaining ZnO NMs enables the development of new methods of syntheses, which are characterised by, among others, the possibility to control the properties, repeatability, reproducibility, short synthesis duration, low price, purity, and fulfilment of the eco-friendly approach criterion. The dynamic development of materials engineering is the reason why it is necessary to obtain ZnO NMs with strictly defined properties. The present review aims to discuss the state of the art regarding the microwave synthesis of undoped and doped ZnO NMs. The first part of the review presents the properties of ZnO and new applications of ZnO NMs. Subsequently, the properties of microwave heating are discussed and compared with conventional heating and areas of application are presented. The final part of the paper presents reactants, parameters of processes, and the morphology of products, with a division of the microwave synthesis of ZnO NMs into three primary groups, namely hydrothermal, solvothermal, and hybrid methods.

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Section: Microwave Solvothermal Synthesis Of Znomentioning

confidence: 99%

A Review of Microwave Synthesis of Zinc Oxide Nanomaterials: Reactants, Process Parameters and Morphologies

2020

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“…designed core‐shell nanoparticles based on ZnO as the core and Al 2 O 3 as the shell for use as effective UV absorption and visible light reflection agents. [ 31 ] Microwave synthesis was employed to deposit a thin and homogeneous amorphous Al 2 O 3 coating on ZnO, primarily to control the undesirable photooxidation effect of ZnO that could deteriorate other sunscreen compounds. The non‐spherical ZnO@Al 2 O 3 core‐shell particles of 20–30 nm in diameter exhibited high reflectance of up to 90% in the visible region (400–700 nm) and low reflectance (<5%) in the UV region (200–380 nm).…”

Section: Reflective Core‐shell Micro‐/nano‐structuresmentioning

confidence: 99%

Core‐Shell Micro‐ and Nano‐Structures for The Modification of Light‐Surface Interactions

Yeo,

Yu Tan

et al. 2023

Advanced Optical Materials

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Controlling how a material interacts with light is key to optimizing its optical properties to fit a desired function or application. The most straightforward approach is to chemically or physically modify the surface exposed to incident light. An effective method of surface modification is based on the addition of core‐shell structures at the surface. Of particular importance to many technological applications are core‐shell structures with dimensions comparable to the wavelengths of light extending from the UV up to the near‐IR region of the electromagnetic spectrum, which coincides with the major part of the solar spectrum. Surface modification approaches to tailor the optical properties of materials in this range of wavelengths are increasingly relevant in the context of materials and devices used in sustainable energy applications, such as solar cells and heat‐reflective paints. These materials are useful to mitigate the current energy and climate crises by allowing for enhanced energy harvesting and improved thermal management, respectively. Here, recent progress in the fabrication and application of core‐shell micro‐/nano‐structures for the modification of light interaction with surfaces is highlighted. Some limitations and future directions for the design of core‐shell materials are also discussed.

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“…However, to date, it is still a challenge to synthesize 2D or 3D ZnAl 2 O 4 spinel nanostructures via a solution route. Although hierarchical ZnO-Al 2 O 3 microspheres have been reported, 20,21 to date, the pure phase of 2D ZnAl 2 O 4 nanoakes has not been prepared via a facile ion-exchange method.…”

Section: Introductionmentioning

confidence: 99%

Preparation of mesoporous ZnAl₂O₄ nanoflakes by ion exchange from a Na-dawsonite parent material in the presence of an ionic liquid

Kim

Yun²,

Han³

et al. 2019

RSC Adv.

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Synthesis of ZnO Al2O3 core-shell nanocomposite materials by fast and facile microwave irradiation method and investigation of their optical properties

Cited by 13 publications

References 27 publications

A Review of Microwave Synthesis of Zinc Oxide Nanomaterials: Reactants, Process Parameters and Morphologies

A Review of Microwave Synthesis of Zinc Oxide Nanomaterials: Reactants, Process Parameters and Morphologies

Core‐Shell Micro‐ and Nano‐Structures for The Modification of Light‐Surface Interactions

Preparation of mesoporous ZnAl₂O₄ nanoflakes by ion exchange from a Na-dawsonite parent material in the presence of an ionic liquid

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Synthesis of ZnO Al2O3 core-shell nanocomposite materials by fast and facile microwave irradiation method and investigation of their optical properties

Cited by 13 publications

References 27 publications

A Review of Microwave Synthesis of Zinc Oxide Nanomaterials: Reactants, Process Parameters and Morphologies

A Review of Microwave Synthesis of Zinc Oxide Nanomaterials: Reactants, Process Parameters and Morphologies

Core‐Shell Micro‐ and Nano‐Structures for The Modification of Light‐Surface Interactions

Preparation of mesoporous ZnAl2O4 nanoflakes by ion exchange from a Na-dawsonite parent material in the presence of an ionic liquid

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Product

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Preparation of mesoporous ZnAl₂O₄ nanoflakes by ion exchange from a Na-dawsonite parent material in the presence of an ionic liquid