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Cadmium sulfide quantum dots decorated reduced graphene oxide: A versatile platform for highly sensitive acetylacetone sensor

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Abstract

The intermixing of CdS QDs and graphene derivatives can provide a versatile platform for sensor materials. In this work, CdS QDs-reduced graphene oxide (rGO) composites were synthesized by low-temperature hydrothermal method and characterized through various techniques for morphological, structural, scattering, and optical properties. The prepared CdS QDs-rGO composites were applied as electroactive electrode for electrochemical detection of acetylacetone chemical. The sensitivity, linear dynamic range (LDR), and limit of detection (LOD) for fabricated CdS QDs-rGO/glassy carbon electrode (GCE) sensor were 43.6 μA μM−1 cm−2, 10–100 μM, and 15.4 μM, respectively. Thus, synthesized CdS QDs-rGO composites can be promising and reliable electron facilitators for the fabrication of sensitive, robust, and persistent electrochemical sensors.

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Acknowledgments

Authors would like to acknowledge the support of the Deputy for Research and Innovation- Ministry of Education, Kingdom of Saudi Arabia for this research through a grant (NU/IFC/2/SERC/-/15) under the Institutional Funding Committee at Najran University, Kingdom of Saudi Arabia. This paper was supported by the research fund for selected research-oriented professor in Jeonbuk National University in 2023.

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Authors and Affiliations

  1. Department of Chemistry, College of Science and Arts, Najran University, Najran, 11001, Saudi Arabia

    Ahmad Umar, Ahmed A. Ibrahim & Mohsen A. M. Alhamami

  2. Jagdish Chandra DAV College, Dasuya, Distt., Hoshiarpur, Punjab, 144205, India

    Rajesh Kumar

  3. Graduate School of Integrated Energy-AI, Jeonbuk National University, Jeonju, 54896, Korea

    M. Shaheer Akhtar

  4. New & Renewable Energy Material Development Center (NewREC), Jeonbuk National University, Jeonbuk, Republic of Korea

    M. Shaheer Akhtar

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  1. Ahmad Umar
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  2. Rajesh Kumar
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Correspondence to Ahmad Umar or M. Shaheer Akhtar.

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Umar, A., Kumar, R., Ibrahim, A.A. et al. Cadmium sulfide quantum dots decorated reduced graphene oxide: A versatile platform for highly sensitive acetylacetone sensor. MRS Communications 13, 1335–1341 (2023). https://doi.org/10.1557/s43579-023-00462-y

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