Document Detail


C-isolated Ag-C-Co sandwich sphere-nanostructures and their high activity catalysis induced by surface plasmon resonance.
MedLine Citation:
PMID:  23892586     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Magnetic C-isolated Ag-C-Co sandwich sphere nanostructures have been fabricated through a synchronous growth and assembly process, in which the outer Co sphere-shells assemble around the surface of synchronously grown Ag-C sphere-cores. Raman and UV-vis absorption spectroscopy studies show that the covering of Co shell on Ag-C sphere cores weakens the surface-enhanced Raman scattering (SERS) and surface plasmon resonance (SPR) of Ag-C sphere cores. Owing to its ferromagnetic behaviour, the as-prepared C-isolated Ag-C-Co sandwich nanospheres can be easily separated and recycled by an external magnet field for application. Compared with Ag-Co, C-Co, and Co nanospheres of the same size, the resultant magnetic Ag-C-Co sandwich nanospheres exhibit markedly high catalytic activity toward ammonia borane hydrolytic dehydrogenation at atmospheric pressure and room temperature, which is induced by SPR from C-isolated sandwich structural and electronic synergistic effects.
Authors:
Bo Zhou; Ming Wen; Qingsheng Wu
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-7-29
Journal Detail:
Title:  Nanoscale     Volume:  -     ISSN:  2040-3372     ISO Abbreviation:  Nanoscale     Publication Date:  2013 Jul 
Date Detail:
Created Date:  2013-7-29     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101525249     Medline TA:  Nanoscale     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Chemistry, Key Laboratory of Yangtze River Water Environment, Ministry of Education, Tongji University, Shanghai 200092, China. m_wen@tongji.edu.cn.
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