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  • Know Res., 2015, 2(2),  pp 89-93  

    DOI:10.7598/kor2015.145

    Research Article

    Thermal Lens Study of Concentration Dependent Thermal Diffusivity of Silver Nanofluid Prepared By Green Synthesis

  • LINCY THOMAS1, JISHA JOHN1, B. RAJESH KUMAR1, NIBU. A. GEORGE2 and ACHAMMA KURIAN
  • 1Photonics Lab, Department of physics, Catholicate College, Pathanamthitta, Kerala, India
    2Department of Physics, Baselius College, Kottayam. Kerala, India
  • Abstract

    In this work, silver nanoparticles have been successfully synthesised with a simple, cost effective and reproducible green synthesis method. Honey was chosen as the eco-friendly reducing and stabilizing agent replacing most reported reducing agents like highly reactive chemicals, cause a biological risk to the society and environment. The nanoparticles have been characterized by UV-Vis absorption spectrum exhibits an intense absorption peak around 423 nm and TEM image shows the spherical silver nanoparticles having an average particle size of ~14nm. Thermal diffusivity of silver nanofluid was measured using dual beam thermal lens set up. The thermal diffusivity increases with an increase in nanofluid concentration.

    Keywords

    Silver nanoparticles, Green synthesis, Thermal lens, Thermal diffusivity

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