期刊
NANO
卷 4, 期 2, 页码 91-98出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S1793292009001551
关键词
Inorganic nanotubes; inorganic fullerenes; nanoparticles; nanocomposites
资金
- Israel Science Foundation
- H. Perlman Foundation
The growth mechanism of WS2 nanotubes in the large-scale fluidized-bed reactor is studied in greater detail. This study and careful parameterization of the conditions within the reactor lead to the synthesis of large amounts (50-100 g/batch) of pure nanotubes, which appear as a fluffy powder, and (400-500 g/batch) of nanotubes/nanoplatelets mixture (50:50), where nanotubes usually coming in bundles. The two products are obtained simultaneously in the same reaction but are collected in different zones of the reactor, in a reproducible fashion. The characterization of the nanotubes, which grow catalyst-free, by a number of analytical techniques is reported. The majority of the nanotubes range from 10 to 50 micron in length and 20-180 nm in diameter. The nanotubes reveal highly crystalline order, suggesting very good mechanical behavior with numerous applications.
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