Zinc oxide quantum dots/graphitic carbon nitride nanosheets based visible-light photocatalyst for efficient tetracycline hydrochloride degradation

Ye, Qianjun; Xu, Lei; Xia, Yi; Gang, Ruiqi; Xie, Congying

doi:10.1007/s10934-022-01197-2

Cited by 9 publications

(5 citation statements)

References 37 publications

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“…Studies have showcased the robustness of ZnO quantum dots in diverse environmental conditions, highlighting their potential for outdoor applications. The integration of ZnO quantum dots with other nanomaterials like graphitic carbon nitride has led to the creation of novel nanocomposites with superior photocatalytic properties [56]. Ren et al created a composite by mixing graphitic carbon nitride (g-C 3 N 4 ) and ZnO quantum dots (QDs) with the goal of enhancing the material's photocatalytic properties.…”

Section: Wide-bandgap Metal Oxide Qd-g-c 3 N 4 Nanocompositesmentioning

confidence: 99%

Recent Innovative Progress of Metal Oxide Quantum-Dot-Integrated g-C3N4 (0D-2D) Synergistic Nanocomposites for Photocatalytic Applications

Salunkhe,

Gurugubelli,

Babu

et al. 2023

Catalysts

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Modern industrialization has unleashed unprecedented environmental challenges, primarily in the form of pollution. In response to these pressing issues, the quest for innovative and sustainable solutions has intensified. Photocatalysis, with its unique capabilities, has emerged as a potent technology to combat the adverse effects of industrialization on the environment. This review highlights recent advances in harnessing photocatalysis to address environmental pollution. Photocatalysis offers a multifaceted approach, utilizing solar energy for catalytic reactions and enabling efficient pollutant removal. Quantum dots and graphitic carbon nitride (g-C3N4) are essential elements in this science. In contrast to quantum dots, which have enormous potential due to their size-dependent bandgap tunability and effective charge carrier production, g-C3N4 has properties like chemical stability and a configurable bandgap that make it a versatile material for photocatalysis. In this review, we explore recent achievements in integrating metal oxide quantum dots with g-C3N4, forming nanocomposites with superior photocatalytic activity. These nanocomposites exhibit extended light absorption ranges and enhanced charge separation efficiency, positioning them at the forefront of diverse photocatalytic applications. In conclusion, this comprehensive review underscores the critical role of photocatalysis as a potent tool to counteract the adverse environmental effects of modern industrialization. By emphasizing recent advancements in g-C3N4 and quantum dots and highlighting the advantages of metal oxide quantum dots decorated/integrated with g-C3N4 nanocomposites, this work contributes to the evolving landscape of sustainable solutions for environmental remediation and pollution control. These innovations hold promise for a cleaner and more sustainable future.

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Section: Wide-bandgap Metal Oxide Qd-g-c 3 N 4 Nanocompositesmentioning

confidence: 99%

Recent Innovative Progress of Metal Oxide Quantum-Dot-Integrated g-C3N4 (0D-2D) Synergistic Nanocomposites for Photocatalytic Applications

Salunkhe,

Gurugubelli,

Babu

et al. 2023

Catalysts

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“…Researchers have developed various methods to synthesise ZnO/CQD nanocomposites, offering control over their properties. For instance, a straightforward liquid‐phase self‐assembly method can create 0D/2D nanocomposites with ZnO quantum dots (ZnO QDs) and graphitic carbon nitride nanosheets [26] . This approach allows for simple and precise control over material properties.…”

Section: Introductionmentioning

confidence: 99%

“…ZnO/CQD nanocomposites offer several advantages that make them attractive for technological applications. They are often non‐toxic, cost‐effective, and can be synthesized using relatively simple methods [26] . A critical aspect governing their functionality is their electronic properties, particularly the bandgap – the energy difference between the highest occupied molecular orbital (HOMO) and the lowest unoccupied molecular orbital (LUMO).…”

Section: Introductionmentioning

confidence: 99%

“…For instance, a straightforward liquid-phase self-assembly method can create 0D/2D nanocomposites with ZnO quantum dots (ZnO QDs) and graphitic carbon nitride nanosheets. [26] This approach allows for simple and precise control over material properties. Additionally, a self-poring strategy allows for the synthesis of ZnO QDs embedded within highly porous carbon nanosheets, enabling further tailoring of functionalities.…”

Section: Introductionmentioning

confidence: 99%

“…They are often non-toxic, cost-effective, and can be synthesized using relatively simple methods. [26] A critical aspect governing their functionality is their electronic properties, particularly the bandgapthe energy difference between the highest occupied molecular orbital (HOMO) and the lowest unoccupied molecular orbital (LUMO). A smaller HOMO-LUMO gap typically translates to enhanced conductivity, a key parameter for optimizing electronic devices.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Nanostructured ZnO‐CQD Hybrid Heterostructure Nanocomposites: Synergistic Engineering for Sustainable Design, Functional Properties, and High‐Performance Applications

Mishra,

Chianella,

Sarkar

et al. 2024

ChemNanoMat

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Hybrid nanocomposites integrating nanostructured zinc oxide (ZnO) and carbon quantum dots (CQDs) with designed heterostructures possess exceptional optical and electronic properties. These properties hold immense potential for advancements across diverse scientific and technological fields. This review article investigates the synthesis, properties, and applications of ZnO‐CQD heterostructure nanocomposites. Recent breakthroughs in fabrication methods are examined, including hydrothermal, microwave‐assisted, and eco‐friendly techniques. Key preparation methods such as sol‐gel, co‐precipitation, and electrochemical deposition are discussed, emphasizing their role in controlling heterostructure formation. This review analyses the impact of heterostructures on optical and electronic properties, such as fluorescence, photoluminescence, and photocatalytic activity. Synergistic interactions between ZnO and CQDs within heterostructures are highlighted, demonstrating how they lead to substantial performance improvements. Applications of ZnO‐CQD heterostructures span solar cells, LEDs, photodetectors, water purification, antimicrobial treatments, gas sensing, catalysis, biomedical imaging, drug delivery, environmental sensing, and energy storage. Insights are provided into refining synthesis methods, enhancing characterisation techniques, and broadening the application landscape. Challenges like stability are addressed, along with strategies for optimised performance and practical implementation.

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Feasibility of Hybrid Polyaniline/Pullulan Composites for Photocatalytic and Electrochemical Applications

Mohamed Isa,

Che Jusoh,

Omar

et al. 2024

Part & Part Syst Charact

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Energy and water are essential resources currently facing high demand due to the depletion of fossil fuels and increasing water pollution. Conducting polymers like polyaniline (PANI) have gained attention for addressing these challenges. In this study, polyaniline/pullulan composites (PANI/Pul Cps) are synthesized via oxidative polymerization. The influence of the aniline‐to‐pullulan mass ratio on the composite properties is evaluated using various techniques. XRD analysis showed enhanced crystallinity with the addition of pullulan, while TEM results revealed that the composites exhibited a rod‐like shape, with dimensions of 51–55 nm in width and 131–152 nm in length. The photocatalytic potential of the composites is assessed by testing their ability to degrade Crystal Violet dye, with the highest degradation rate observed at 0.0086 min⁻¹. The electrochemical performance of the PANI/Pul Cps is also evaluated, with specific capacitance values ranging from 92 to 123 F/g. These results suggest that PANI/Pul Cps have potential for both wastewater treatment and energy storage applications.

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Zinc oxide quantum dots/graphitic carbon nitride nanosheets based visible-light photocatalyst for efficient tetracycline hydrochloride degradation

Cited by 9 publications

References 37 publications

Recent Innovative Progress of Metal Oxide Quantum-Dot-Integrated g-C3N4 (0D-2D) Synergistic Nanocomposites for Photocatalytic Applications

Recent Innovative Progress of Metal Oxide Quantum-Dot-Integrated g-C3N4 (0D-2D) Synergistic Nanocomposites for Photocatalytic Applications

Nanostructured ZnO‐CQD Hybrid Heterostructure Nanocomposites: Synergistic Engineering for Sustainable Design, Functional Properties, and High‐Performance Applications

Feasibility of Hybrid Polyaniline/Pullulan Composites for Photocatalytic and Electrochemical Applications

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