期刊
CHEMISTRY LETTERS
卷 40, 期 7, 页码 768-769出版社
CHEMICAL SOC JAPAN
DOI: 10.1246/cl.2011.768
关键词
-
资金
- Korea government (MEST) [2010-0019543, 2010-0027795, 2009-0324000]
Ultrastable aqueous graphite nanofluids were prepared by single-step liquid-phase pulsed laser ablation (LP-PLA), and they showed an outstanding long-term stability without any agglomeration, even though no surfactant was used. It was revealed with FT-IR spectroscopy that the hydrophilic functional groups were introduced onto the surface of graphite nano-particles and that such hydrophilic nature showing a high negative potential was the origin of the outstanding long-term stability. Finally, aqueous graphite nanofluids demonstrated an enhanced thermal conductivity by 1.49% with low concentration (0.02 vol %), compared to pure water.
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