Effect of particle size on the thermo-optic properties of gold nanofluids – A thermal lens study

Spherical gold nanoparticles having particle size in the range 30 to 50 nm are prepared using citrate reduction of gold chloride trihydrate in water. The influence of particle size on the thermal diffusivity value of gold nanofluid is measured using dual beam thermal lens technique. The present stud...

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Bibliographic Details
Main Authors: Rajesh, Kumar B, Shemeena, Basheer N, Kurian Achamma, George, Sajan D
Format: Conference Proceeding
Language:English
Subjects:
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
Diffusivity
GOLD
Gold chloride
Nanofluids
Nanoparticles
NANOSCIENCE AND NANOTECHNOLOGY
NANOSTRUCTURES
Optical properties
PARTICLE SIZE
PARTICLES
THERMAL DIFFUSIVITY
Thermodynamic properties
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Summary:Spherical gold nanoparticles having particle size in the range 30 to 50 nm are prepared using citrate reduction of gold chloride trihydrate in water. The influence of particle size on the thermal diffusivity value of gold nanofluid is measured using dual beam thermal lens technique. The present study shows that the particle size influences the effective thermal diffusivity value of the nanofluid substantially and the value decreases with decrease in particle size for the investigated samples.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.4861997