Green synthesis of zinc oxide-based nanomaterials for photocatalytic studies: A mini review

Due to rapid industrialization, wastewater pollution has become a serious concern that needs to be addressed effectively. Untreated contaminants abundantly discharged into the water bodies have been proven to negatively impact the environment as well as human health. For a long time, zinc oxide (ZnO...

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Bibliographic Details
Main Authors: Sukri, Mohamad S. N. A., Shameli, K., Mohamed Isa, E. D., Ismail, N. A.
Format: Conference or Workshop Item
Language:English
Published: 2021
Subjects:
Online Access:http://eprints.utm.my/id/eprint/96700/1/MohamedSukri2021_GreenSynthesisofZincOxideBased.pdf
http://eprints.utm.my/id/eprint/96700/
https://iopscience.iop.org/article/10.1088/1757-899X/1051/1/012083/meta
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Summary:Due to rapid industrialization, wastewater pollution has become a serious concern that needs to be addressed effectively. Untreated contaminants abundantly discharged into the water bodies have been proven to negatively impact the environment as well as human health. For a long time, zinc oxide (ZnO) has been used to treat these environmental pollutions in a process called semiconductor photocatalysis. In the field of material science, nanosized ZnO synthesized using green route has been used by many researchers as they are usually eco-friendly and cost effective. Even though ZnO nanostructures act as an excellent photocatalyst, there are still a few drawbacks that can limit their efficiency. To overcome these problems, ZnO modifications can be done to produce ZnO-based nanomaterials. In this mini review, we present up-to-date research progress on green synthesized ZnO-based nanomaterials and discusses on the methods used to modify ZnO nanostructures to improve photocatalytic efficiency.