Issue 8, 2022

ZnO nanostructured materials and their potential applications: progress, challenges and perspectives

Abstract

Extensive research in nanotechnology has been conducted to investigate new behaviours and properties of materials with nanoscale dimensions. ZnO NPs owing to their distinct physical and chemical properties have gained considerable importance and are hence investigated to a detailed degree for exploitation of these properties. This communication, at the outset, elaborates the various chemical methods of preparation of ZnO NPs, viz., the mechanochemical process, controlled precipitation, sol–gel method, vapour transport method, solvothermal and hydrothermal methods, and methods using emulsion and micro-emulsion environments. The paper further describes the green methods employing the use of plant extracts, in particular, for the synthesis of ZnO NPs. The modifications of ZnO with organic (carboxylic acid, silanes) and inorganic (metal oxides) compounds and polymer matrices have then been described. The multitudinous applications of ZnO NPs across a variety of fields such as the rubber industry, pharmaceutical industry, cosmetics, textile industry, opto-electronics and agriculture have been presented. Elaborative narratives on the photocatalytic and a variety of biomedical applications of ZnO have also been included. The ecotoxic impacts of ZnO NPs have additionally been briefly highlighted. Finally, efforts have been made to examine the current challenges and future scope of the synthetic modes and applications of ZnO NPs.

Graphical abstract: ZnO nanostructured materials and their potential applications: progress, challenges and perspectives

Article information

Article type
Review Article
Submitted
22 des. 2021
Accepted
07 mar. 2022
First published
09 mar. 2022
This article is Open Access
Creative Commons BY-NC license

Nanoscale Adv., 2022,4, 1868-1925

ZnO nanostructured materials and their potential applications: progress, challenges and perspectives

S. Raha and Md. Ahmaruzzaman, Nanoscale Adv., 2022, 4, 1868 DOI: 10.1039/D1NA00880C

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