CdS-Based Photocatalytic Nanostructures: A Promising Material for Various Environmental Applications

Year : 2025 | Volume : 14 | Issue : 01 | Page : 33-53
    By

    Pooja Shedge,

  • Shirish Prabhakarrao Kulkarni,

  • Sanket Pandit,

  1. Assistant Professor, Ajeenkya D Y Patil University (SOE), Charholi Budruk, Pune, Maharashtra, India
  2. Assistant Professor, Ajeenkya D Y Patil University (SOE), Charholi Budruk, Pune, Maharashtra, India
  3. Assistant Professor, Ajeenkya D Y Patil University (SOE), Charholi Budruk, Pune, Maharashtra, India

Abstract

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Modern technological and industrial progress has significantly increased the use of chemicals in product development, leading to greater contamination of water sources by conventional pollutants (such as organic dyes and heavy metals) and harmful microorganisms. Wastewater treatment processes now reveal “emerging pollutants,” including pharmaceuticals, endocrine disruptors, and agricultural chemicals. Certain emerging pollutants, though harmless in some cases, can pose serious risks to various organisms. To address this, researchers are exploring cost-effective water purification methods capable of completely degrading pollutants without producing harmful by-products. Among these methods, semiconductor-based photocatalytic degradation, particularly using cadmium sulfide (CdS), has garnered significant interest for combating water pollution. This study highlights recent applications of CdS nanostructures in photocatalysis for removing a wide range of water pollutants. It discusses structural modifications, such as doping and nanocomposite formation, that enhance the performance of photocatalysts. Emphasis is placed on the mechanisms of photocatalytic pollutant elimination and the factors influencing the efficiency and effectiveness of nano-CdS-based photocatalysts. Additionally, the study explores key characteristics of CdS, including its crystal structure, energy band-gap, and photocatalytic activity mechanism. The review also evaluates the benefits and limitations of various CdS nanostructure production methods and addresses potential health and environmental risks associated with its use. Overall, this review offers a comprehensive overview of the potential of nano-CdS materials in mitigating water pollution.

Keywords: Cadmium Sulphide; nanostructures; synthesis methods; photocatalytic mechanism; dyes; heavy metals; pesticides; microbes.

[This article belongs to Research & Reviews : Journal of Physics ]

How to cite this article:
Pooja Shedge, Shirish Prabhakarrao Kulkarni, Sanket Pandit. CdS-Based Photocatalytic Nanostructures: A Promising Material for Various Environmental Applications. Research & Reviews : Journal of Physics. 2025; 14(01):33-53.
How to cite this URL:
Pooja Shedge, Shirish Prabhakarrao Kulkarni, Sanket Pandit. CdS-Based Photocatalytic Nanostructures: A Promising Material for Various Environmental Applications. Research & Reviews : Journal of Physics. 2025; 14(01):33-53. Available from: https://journals.stmjournals.com/rrjophy/article=2025/view=0



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Regular Issue Subscription Review Article
Volume 14
Issue 01
Received 14/01/2025
Accepted 29/01/2025
Published 01/05/2025
Publication Time 107 Days
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