Document Detail


Simple systematic synthesis of periodic mesoporous organosilica nanoparticles with adjustable aspect ratios.
MedLine Citation:
PMID:  20651927     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
One-dimensional periodic mesoporous organosilica (PMO) nanoparticles with tunable aspect ratios are obtained from a chain-type molecular precursor octaethoxy-1,3,5-trisilapentane. The aspect ratio can be tuned from 2:1 to >20:1 simply by variation in the precursor concentration in acidic aqueous solutions containing constant amounts of triblock copolymer Pluronic P123. The mesochannels are highly ordered and are oriented parallel to the longitudinal axis of the PMO particles. No significant Si-C bond cleavage occurs during the synthesis according to29Si MAS NMR. The materials exhibit surface areas between 181 and 936 m2 g-1.
Authors:
Paritosh Mohanty; Kai Landskron
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Publication Detail:
Type:  Journal Article     Date:  2009-09-16
Journal Detail:
Title:  Nanoscale research letters     Volume:  4     ISSN:  1931-7573     ISO Abbreviation:  Nanoscale Res Lett     Publication Date:  2009  
Date Detail:
Created Date:  2011-06-30     Completed Date:  2011-07-14     Revised Date:  2013-05-29    
Medline Journal Info:
Nlm Unique ID:  101279750     Medline TA:  Nanoscale Res Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1524-9     Citation Subset:  -    
Affiliation:
Department of Chemistry, Lehigh University, Bethlehem, PA, 18015, USA. kal205@lehigh.edu.
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