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Aloe vera mediated hydrothermal synthesis of reduced graphene oxide decorated ZnO nanocomposite: Luminescence and antioxidant properties

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Abstract.

A zinc oxide/reduced graphene oxide (ZnO/rGO) nanocomposite was fabricated by facile hydrothermal route using Aloe vera gel as surfactant. The PL emission spectrum of the ZnO/rGO composite consists of four peaks at around 380, 394, 449 and 465nm. The PL intensity is found to diminish in ZnO-rGO composites rather than in pure ZnO, which was attributed to electron transfer from ZnO to rGO. A single intense glow curve was recorded in rGo-ZnO for a dose range of 1-8kGy. The TL response curve of rGO-ZnO is found to be a simple glow curve structure, linear dependence over a dose range of 1-8kGy. The obtained ZnO/rGO composite could provide a facile and eco-friendly method for the development of graphene-based nanocomposites with promising applications in radiation dosimetry and antioxidant activities.

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Authors and Affiliations

  1. Department of Physics, Channabasaveshwara Institute of Technology, VTU affiliated, 572 216, Gubbi, India

    D. Kavyashree

  2. Prof. C.N.R. Rao Centre for Advanced Materials, Tumkur University, 572 103, Tumkur, India

    H. Nagabhushana & R. B. Basavaraj

  3. Department of Physics, Sree Siddaganga College for Women, 572 103, Tumkur, India

    R. Ananda Kumari

  4. Department of Chemistry, Tumkur University, 572 103, Tumkur, India

    D. Suresh

  5. Department of Physics, BMS Institute of Technology and Management, VTU affiliated, Avalahalli, 560 064, Bangalore, India

    B. Daruka Prasad

  6. Dayananda Sagar University, Shavige Malleshwara Hills, Kumara swamy Layout, 5690 078, Bangalore, India

    S. C. Sharma

Authors
  1. D. Kavyashree
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  2. H. Nagabhushana
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  3. R. Ananda Kumari
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  4. R. B. Basavaraj
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  5. D. Suresh
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  6. B. Daruka Prasad
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  7. S. C. Sharma
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Correspondence to H. Nagabhushana.

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Kavyashree, D., Nagabhushana, H., Ananda Kumari, R. et al. Aloe vera mediated hydrothermal synthesis of reduced graphene oxide decorated ZnO nanocomposite: Luminescence and antioxidant properties. Eur. Phys. J. Plus 131, 158 (2016). https://doi.org/10.1140/epjp/i2016-16158-7

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  • DOI: https://doi.org/10.1140/epjp/i2016-16158-7

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