A review on modification of ZnO for highly photoactive catalyst in sustainable energy production processes

Minh Huong, Le; Minh Dat, Nguyen; Thanh Hoai Nam, Nguyen; Duy Hai, Nguyen; Tan Tai, Le; An, Hoang; Quang Cong, Che; Tien Dat, Nguyen; Huy, Nguyen; Dang Khoa, Ta; Dang Khoa, Tran; Thi Yen Oanh, Doan; Huu Hieu, Nguyen

doi:10.1016/j.enmm.2024.100966

Environmental Nanotechnology, Monitoring & Management

2024

DOI: 10.1016/j.enmm.2024.100966

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A review on modification of ZnO for highly photoactive catalyst in sustainable energy production processes

Le Minh Huong,

Nguyen Minh Dat,

Nguyen Thanh Hoai Nam

et al.

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Cited by 3 publications

References 120 publications

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Current trends and future perspectives on ZnO-based materials for robust and stable solar fuel (H2) generation

Dagareh,

Hafeez,

Mohammed

et al. 2024

Chemical Physics Impact

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Current trends and future perspectives on ZnO-based materials for robust and stable solar fuel (H2) generation

Dagareh,

Hafeez,

Mohammed

et al. 2024

Chemical Physics Impact

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First-principles study of the electronic structures and optical properties of g-ZnO/CdX (X = S, Se, Te) van der Waals heterostructures

Ren,

Huang,

Zhang

et al. 2024

J. Phys.: Condens. Matter

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The stability, electronic structures and optical properties of g-ZnO/CdX (X = S, Se, Te) heterostructures are studied by density functional theory. It is found that the stable monolayers spacing of the corresponding heterostructure decreases with the increase of the X atomic radius in the CdX monolayers. The constructed g-ZnO/CdX heterostructures all belong to direct band gap, 2.12 eV, 2.09 eV and 1.99 eV, respectively. Electrostatic potential results show that the two monolayers form an internal electric field at the heterostructure interface, and can inhibit the recombination of photogenerated electron hole pairs, and effectively extend the carrier lifetime. Charge density difference analysis shows that charge redistribution mainly occurs in the interfacial region. The optical properties show that the absorption of g-ZnO in the visible range is achieved by heterostructure. In general, with the smallest band gap and the strongest built-in electric field, g-ZnO/CdTe could have the best carrier separation efficiency. And the optical property analysis proves that the g-ZnO/CdTe heterostructure system has the highest utilization ratio of visible light. The above results show that the electronic structure and optical properties of g-ZnO/CdTe heterostructure are the best, and it can be inferred that this heterostructure will be the most beneficial to improve the photocatalytic activity of g-ZnO, providing a new direction for its application in the field of photocatalysis.

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Recent advances in the photocatalytic remediation of polycyclic aromatic hydrocarbons

Shcherbakov,

Belikov,

Shcherbakova

2024

Funct.Mater.

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Polycyclic aromatic hydrocarbons (PAHs) are among the most hazardous environmental pollutants due to their high toxicity, carcinogenicity, and ability to accumulate in ecosystems. The development of effective methods for their deactivation is an extremely pressing issue in modern science. One of the most promising methods for efficient PAHs destruction is photocatalytic degradation, which is based on the use of semiconductor materials. Photocatalysis is an environmentally friendly and energy-efficient approach that facilitates the oxidation of PAHs through light irradiation, resulting in the formation of less harmful compounds. This area of research is rapidly advancing, with new materials and approaches emerging each year to enhance the efficiency of photocatalytic degradation of organic pollutants, particularly PAHs. Special attention is given to the development of new photocatalytic materials such as modified oxides of titanium, zinc, iron, and metal- and graphene-based nanocomposites, which offer high activity, stability, and effectiveness in real-world conditions. The review presented in this paper systematizes recent advancements in the field of photocatalytic degradation of PAHs, focusing on key aspects of mechanisms, materials, and future research prospects.

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A review on modification of ZnO for highly photoactive catalyst in sustainable energy production processes

Cited by 3 publications

References 120 publications

Current trends and future perspectives on ZnO-based materials for robust and stable solar fuel (H2) generation

Current trends and future perspectives on ZnO-based materials for robust and stable solar fuel (H2) generation

First-principles study of the electronic structures and optical properties of g-ZnO/CdX (X = S, Se, Te) van der Waals heterostructures

Recent advances in the photocatalytic remediation of polycyclic aromatic hydrocarbons

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