Xu, F., Almeida, T. P. , Chang, H., Xia, Y., Wears, M. L. and Zhu, Y. (2013) Multi-walled carbon/IF-WS2 nanoparticles with improved thermal properties. Nanoscale, 5(21), pp. 10504-10510. (doi: 10.1039/c3nr03844k) (PMID:24057128)
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Abstract
A unique new class of core–shell structured composite nanoparticles, C-coated inorganic fullerene-like WS2 (IF-WS2) hollow nanoparticles, has been created for the first time in large quantities, by a continuous chemical vapour deposition method using a rotary furnace. Transmission electron microscopy and Raman characterisations of the resulting samples reveal that the composite nanoparticles exhibited a uniform shell of carbon coating, ranging from 2–5 nm on the IF-WS2 core, with little or no agglomeration. Importantly, thermogravimetric analysis and differential scanning calorimetry analysis confirm that their thermal stability against oxidation in air has been improved by about 70 °C, compared to the pristine IF-WS2, making these new C-coated IF-WS2 nanoparticles more attractive for critical engineering applications.
Item Type: | Articles |
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Status: | Published |
Refereed: | Yes |
Glasgow Author(s) Enlighten ID: | Almeida, Dr Trevor |
Authors: | Xu, F., Almeida, T. P., Chang, H., Xia, Y., Wears, M. L., and Zhu, Y. |
College/School: | College of Science and Engineering > School of Physics and Astronomy |
Journal Name: | Nanoscale |
Publisher: | Royal Society of Chemistry |
ISSN: | 2040-3364 |
ISSN (Online): | 2040-3372 |
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