Document Detail


Growth kinetics of CdSe quantum dots generated in polar polymers.
MedLine Citation:
PMID:  23044719     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Growth kinetics of CdSe nanocrystals generated inside three selected polymers (polyvinylpyrrolidone - PVP, polyethyleneglycol - PEG and polyvinylalcohol - PVA) are demonstrated to follow a self-catalytic path, with growth rates depending on the nature of the polymer, i.e. on the capability to activate the cadmium species present in the solution of a metal precursor. A two-step process drives the size evolution of nanocrystals and a critical diameter value can be identified at which the growth regime changes. The medium-term stability evaluation of nanocomposites indicates that, after an initial rearrangement, polymers keep stable the embedded CdSe nanocrystals.
Authors:
Isabella Concina; Marta Maria Natile; Eugenio Tondello; Giorgio Sberveglieri
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-10-9
Journal Detail:
Title:  Dalton transactions (Cambridge, England : 2003)     Volume:  -     ISSN:  1477-9234     ISO Abbreviation:  Dalton Trans     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-10-9     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101176026     Medline TA:  Dalton Trans     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
CNR-IDASC SENSOR Laboratory, via Branze, 45-25131 Brescia, Italy. isabella.concina@ing.unibs.it.
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