Journal of Nanomaterials & Molecular NanotechnologyISSN: 2324-8777

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Research Article, J Nanomater Mol Nanotechnol Vol: 6 Issue: 1

Thermal Conductivity of 3D Network of Silver Nanowires based Nanofluids

Khamliche T1-3*, Khamlich S1,2,4, Doyle T4, Mothudi BM3 and Maaza M1,2,4
1UNESCO-UNISA Africa Chair in Nanosciences-Nanotechnology, College of Graduate Studies, University of South Africa, Muckleneuk Ridge, PO Box 392, Pretoria, South Africa
2Nanosciences African Network (NANOAFNET), iThemba LABS-National Research Foundation, 1 Old Faure Road, Somerset West 7129, PO Box 722, Somerset West, Western Cape Province, South Africa
3Department of Physics, College of Science, Engineering and Technology, University of South Africa, Private Bag X6, Florida 1710, Johannesburg, South Africa
4Material Research Department, iThemba LABS-National Research Foundation, 1 Old Faure Road, Somerset West 7129, PO Box 722, Somerset West, Western Cape Province, South Africa
Corresponding author : Touria Khamliche
UNESCO-UNISA Africa Chair in Nanosciences-Nanotechnology, College of Graduate Studies, University ofSouth Africa, Muckleneuk Ridge, PO Box 392, Pretoria, South Africa
E-mail: [email protected]
Received: June 24, 2016 Accepted: December 31, 2016 Published: January 07, 2017
Citation: Khamliche T, Khamlich S, Khenfouch M, Dhlamini M S, Mothudi B M, et al. (2017) Thermal Conductivity of 3D Network of Silver Nanowires based Nanofluids. J Nanomater Mol Nanotechnol 6:1. doi: 10.4172/2324-8777.1000206

Abstract

Thermal Conductivity of 3D Network of Silver Nanowires based Nanofluids

Incorporation of metallic nanoparticles into heat transfer fluids used in Concentrating Solar Power (CSP) application could result in nanofluids with improved thermal transport properties. This study reports on the synthesis and investigation of a 3D network of silver nanowires (AgNWRs) based nanofluid synthesized by the polyol process in ethylene glycol (EG) as a reductant, polyvinylpyrrolidone (PVP) as structure-directing agent for the growth of Ag nanowires. Structural and morphological characterisations revealed highly crystalline three-dimensional (3D) interconnected network of Ag nanowires. EG-based suspensions in the presence of various AgNWRs loadings (0.5-2 vol.%) were prepared and thermal conductivity measurements were conducted. A thermal conductivity enhancements over the EG base fluid of 20% at a 2 vol.%AgNWRs loading was achieved.

Keywords: Nanofluid; Silver nanowires; Thermal conductivity

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