The Role of Aging Stage on the Properties of Zinc Oxide Particles

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The aging of the precipitate product is a crucial stage in forming particles using the precipitation method. In this study, the aging time in atmospheric ambient was investigated for its impact on the formation and properties of zinc oxide particles. The zinc oxide particles were synthesized using an ultrasound-assisted precipitation method. The diffraction pattern confirmed the crystallinity and crystallite size of zinc oxide decreases with increasing aging time. The UV-Vis absorption spectrum analysis revealed that 24 hours of aging resulting zinc oxide with a bandgap close to that bulk zinc oxide band gap energy. The scanning electron microscope image showed an alteration of zinc oxide morphology from rod to flake-like particle as the aging time. The crystallinity, morphology, and optical properties of zinc oxide particles are significantly affected by aging time. The results suggested that aging time in the ultrasound-assisted precipitation method can be used to engineer the suitable properties of zinc oxide particles for its application.

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29-35

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October 2024

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© 2024 Trans Tech Publications Ltd. All Rights Reserved

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