Enhanced Thermal Conductivity of Water With Surfactant Encapsulated and Individualized Single-Walled Carbon Nanotube Dispersions (original) (raw)
2012, ASME 2012 Third International Conference on Micro/Nanoscale Heat and Mass Transfer
AI-generated Abstract
Enhanced thermal conductivity of single-walled carbon nanotube (SWNT) dispersions in water was studied using a transient hot wire technique at room temperature. SWNTs were synthesized via alcohol-catalyzed chemical vapor deposition, characterized by resonant Raman and photoluminescence spectroscopy, and dispersed in water with sodium deoxy cholate as a surfactant. A maximum thermal conductivity enhancement of 13.9% was observed at 0.3 vol% loading. Key mechanisms for enhancement included Brownian motion of micelles and percolation of nanotubes, contrary to prior assumptions regarding particle clustering.
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