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Size and shape-controlled synthesis of silver nanoparticles for high-thermal conductivity nanofluids

Published online by Cambridge University Press:  07 October 2011

Glorimar Garcia ,
Celia Osorio-Cantillo  and
Oscar Perales-Pérez
Glorimar Garcia
Affiliation:
University of Puerto Rico, Department of Mechanical Engineering, P.O. Box 9045, Mayagüez, P.R. 00681-9045.
Celia Osorio-Cantillo
Affiliation:
University of Puerto Rico, Department of Chemistry, P.O. Box 9019, Mayagüez, P.R. 00681-9045.
Oscar Perales-Pérez
Affiliation:
University of Puerto Rico, Department of Engineering Science and Materials, P.O. Box 9044, Mayagüez, P.R. 00681-9044.
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Abstract

Nanofluids, consisting of nanometric particles suspended in a base fluid, have become a new alternative for improving heat management technology. Silver, which is known to exhibit pretty high electrical and thermal conductivity among metals, has been selected for this research. At present, we are focused on the study of the size- and shape-controlled synthesis conditions of silver nanocrystals in polyol media. Control of crystal size and shape at the nanoscale were achieved by suitable selection of the synthesis conditions and the presence of habit-controlling agents like chloride ions. Silver nanostructures (faceted crystals, wires, rods) were remarkable monodisperse in size and their dimension could be controlled in the 30-50nm range (particles) and 24-127nm in thickness for rods or wires.

Keywords

Agnanostructureoptical properties
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1329: Symposium I – Nanoscale Heat Transfer–Thermoelectrics, Thermophotovoltaics and Emerging Thermal Devices , 2011 , mrss11-1329-i10-32
Copyright
Copyright © Materials Research Society 2011

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References

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