Synthesis and characterization of gold (Au): Fullerene (C60)-Poly (vinyl pyrrolidone) nanofluids in an alcoholic medium

M Behera; S Ram

doi:10.17485/IJST/v13i30.586

Article

Synthesis and characterization of gold (Au): Fullerene (C60)-Poly (vinyl pyrrolidone) nanofluids in an alcoholic medium

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Indian Journal of Science and Technology

DOI: 10.17485/IJST/v13i30.586

Year: 2020, Volume: 13, Issue: 30, Pages: 3088-3092

Original Article

Synthesis and characterization of gold (Au): Fullerene (C60)-Poly (vinyl pyrrolidone) nanofluids in an alcoholic medium

M Behera^1*, S Ram²

¹Silicon Institute of Technology, Bhubaneswar, Odisha, India
²Ex-professor, Materials Science Centre, IIT Kharagpur, India

*Corresponding Author
Email: [email protected]

Received Date:12 May 2020, Accepted Date:03 August 2020, Published Date:19 August 2020

This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

Objectives: To synthesize gold (Au) doped fullerene (C60)-Poly (vinyl pyrrolidone)PVP nanofluids in an alcoholic medium. Methods: A simple chemical reduction method was adopted to synthesize Au nanoparticles and then these NPs were doped into the C60-PVP NFs by ultra-sonication. The samples were characterized using spectrophotometer, rheometer and microscope. Findings:We reported Surface Plasmon Resonance enhanced p !p C60(sp2)electron transition in PVP molecules upon insertion of NG into C60 NFs with PVP in butanol. Electron transfer PVP!Au(NG) causes a drastic decrease in the light emission in PVP moieties in a Au:C60-PVP complex. A noticeable red shift of the C=O stretching band of PVP reveals surface interaction between “>C=O and Au-atom. Rheological study of NFs reveals non-Newtonian behavior with an enhanced yield stress and follows a typical Bingham type flow characteristics.High resolution transmission electron micrograph shows formation of Au-C60 metal-non metal NPs of hexagonal shape. Novelty: Decrease in light emission intensity of PVP molecules in presence of Au NPs hints that it could be a candidate for sensing applications.

Keywords: Nanogold; nanofluids; surface plasmon resonance; light emission; rheological properties

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Copyright

© 2020 Behera & Ram.This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Published By Indian Society for Education and Environment (iSee).