Document Detail


High Raman enhancing shape-tunable Ag nanoplates in alumina: A reliable and efficient SERS technique.
MedLine Citation:
PMID:  22732099     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Shape-tunable Ag nanoplates in alumina enable very strong SERS performances showing Raman enhancement factor >109, and also allows easy detection of analyte methylene blue having concentration in picomolar range. Raman enhancements have been systematically studied during the Ag nanoparticle-shape evolution from spherical nanoparticles to hexagonal nanoplates with sharp corners to truncated triangular nanoplates in alumina sol. Large SERS enhancement has been observed due to the uniform dispersion and embedment of Ag nanoplates in a relatively high dielectric alumina network where analyte molecules are held. This new approach gives uniform and strong SERS signal with reproducibility.
Authors:
Debrina Jana; Abhijit Mandal; Goutam De
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-6-25
Journal Detail:
Title:  ACS applied materials & interfaces     Volume:  -     ISSN:  1944-8252     ISO Abbreviation:  -     Publication Date:  2012 Jun 
Date Detail:
Created Date:  2012-6-26     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101504991     Medline TA:  ACS Appl Mater Interfaces     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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