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Open Access Nano Express

Preparation and stability of silver/kerosene nanofluids

Dan Li1 and Wenjun Fang2

Author Affiliations

1 Department of Chemistry and Chemical Engineering, Weifang University, Weifang, Shandong Province, 261061, China

2 Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang Province, 310027, China

Nanoscale Research Letters 2012, 7:362  doi:10.1186/1556-276X-7-362

Published: 2 July 2012


A series of silver nanoparticles surface-coated with di-n-dodecyldithiophosphate, di-n-cetyldithiophosphate, or di-n-octadecyldithiophosphate have been prepared and have good dispersity in alkanes or kerosene. Stable silver nanofluids can be formed in alkanes or kerosene with the surface-coated silver nanoparticles. Thermal stability of the silver nanofluids has been measured at different temperatures. The effects of the silver nanoparticles on the thermal oxidation of kerosene have been investigated at different temperatures. The coatings can be released from the surface of the silver nanoparticles above 150°C, giving oxygen access to the silver core and inhibiting the kerosene oxidized by oxygen.

Silver nanofluids; Dialkyl dithiophosphate; Kerosene; Thermal oxidation