Document Detail


One-step gas-solid reaction synthesis of W@WS2 nanorattles and their novel catalytic activity.
MedLine Citation:
PMID:  25247244     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
W@WS2 nanorattles were synthesised by heating a mixture of WO3 nanoparticles and S at a relatively low temperature between 750 and 950 °C in H2/Ar. In addition to the temperature, the competition between the H2 reduction and the S sulphidation sub-reactions dominated the reaction mechanisms and the morphologies of final products. Based on this, several types of nanostructures, including WS2 nanoflakes, inorganic fullerene-like nanoparticles and W@WS2 nanorattles (with desirable core size and shell thickness), could be selectively prepared by simply tailoring the processing parameters. Moreover, it was found for the first time that as-prepared W@WS2 nanorattles exhibited excellent catalytic activities which were close to or even better than their much more costive Au-based counterparts.
Authors:
Yan Wen; Haijun Zhang; Shaowei Zhang
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-9-23
Journal Detail:
Title:  Nanoscale     Volume:  -     ISSN:  2040-3372     ISO Abbreviation:  Nanoscale     Publication Date:  2014 Sep 
Date Detail:
Created Date:  2014-9-23     Completed Date:  -     Revised Date:  2014-9-24    
Medline Journal Info:
Nlm Unique ID:  101525249     Medline TA:  Nanoscale     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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