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Experimental and computational study of metal oxide nanoparticles for the photocatalytic degradation of organic pollutants: a review

Fikadu Takele GeldasaAdama Science and Technology University, Department of Applied Physics, P. O. Box1888, Adama, EthiopiaMesfin Abayneh KebedeInstitute for Nanotechnology and Water Sustainability, College of Science, Engineering and Technology, University of South Africa, Florida Science Campus, Johannesburg, 1710, South AfricaMegersa Wodajo ShuraAdama Science and Technology University, Department of Applied Physics, P. O. Box1888, Adama, EthiopiaFekadu Gashaw HoneAddis Ababa University, Department of Physics, P.O. Box: 1176, Addis Ababa, Ethiopia

2023en

ABI

Annotatsiya

is relatively active only under ultraviolet light due to its wide bandgap, which limits its applicability because the production of ultraviolet is expensive. At present, the discovery of a photocatalyst of suitable bandgap with visible light or modification of the existing photocatalyst is becoming very attractive for photocatalysis technology. However, the major drawbacks of photocatalysts are the high recombination rate of photogenerated electron-hole pairs, the ultraviolet light activity limitations, and low surface coverage. In this review, the most commonly used synthesis method for metal oxide nanoparticles, photocatalytic applications of metal oxides, and applications and toxicity of different dyes are comprehensively highlighted. In addition, the challenges in the photocatalytic applications of metal oxides, strategies to suppress these challenges, and metal oxide studied by density functional theory for photocatalytic applications are described in detail.

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Identifikatorlar

DOI: 10.1039/d3ra01505j

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