Abstract
TiS2 nanoparticles with nested fullerene-like structure (IF) 60-120 nm in size consisting of up to 100 concentric molecular layers and having quite a perfectly spherical shape were obtained by reacting TiCl4 and H2S using first a horizontal and subsequently a vertical reactor. The proposed growth mechanism of these nanoparticles, i.e. nucleation and growth, is radically different from the one proposed for the growth of the fullerene-like WS2 from the respective oxide nanoparticles. It was found that adding 1-2% IF-TiS2 improves the behavior of lubricating oil substantially. The improved performance of the additive was attributed to the nearly spherical shape of the nanoparticles which promotes rolling friction.
Keywords: coalescence, agglomeration, double-zone oven, titanium tetrachloride, electron microscopy, X-ray diffraction
Current Nanoscience
Title: Fullerene-like Nanoparticles of Titanium Disulfide
Volume: 1 Issue: 3
Author(s): Alexander Margolin, Ronit Popovitz-Biro, Ana Albu-Yaron, Alexander Moshkovich, Lev Rapoport and Reshef Tenne
Affiliation:
Keywords: coalescence, agglomeration, double-zone oven, titanium tetrachloride, electron microscopy, X-ray diffraction
Abstract: TiS2 nanoparticles with nested fullerene-like structure (IF) 60-120 nm in size consisting of up to 100 concentric molecular layers and having quite a perfectly spherical shape were obtained by reacting TiCl4 and H2S using first a horizontal and subsequently a vertical reactor. The proposed growth mechanism of these nanoparticles, i.e. nucleation and growth, is radically different from the one proposed for the growth of the fullerene-like WS2 from the respective oxide nanoparticles. It was found that adding 1-2% IF-TiS2 improves the behavior of lubricating oil substantially. The improved performance of the additive was attributed to the nearly spherical shape of the nanoparticles which promotes rolling friction.
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Cite this article as:
Margolin Alexander, Popovitz-Biro Ronit, Albu-Yaron Ana, Moshkovich Alexander, Rapoport Lev and Tenne Reshef, Fullerene-like Nanoparticles of Titanium Disulfide, Current Nanoscience 2005; 1 (3) . https://dx.doi.org/10.2174/157341305774642902
DOI https://dx.doi.org/10.2174/157341305774642902 |
Print ISSN 1573-4137 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-6786 |
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