Linked Life Data

16043042

Source:http://linkedlifedata.com/resource/pubmed/id/16043042

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
11-12
pubmed:dateCreated
2005-7-26
pubmed:abstractText
A novel luminescent compound, 9,9-bis[4'-(beta-naphthyl-methacrylate)phenyl]fluorene (F-NMAP) is synthesized by Heck reaction of beta-naphthyl methacrylic ester (NMAE) and 9,9-bis(4'-iodophenyl)-fluorene (BIPF). The structure is characterized by MS, 1H NMR, IR, and UV-vis spectroscopy. The photophysical processes of F-NMAP have been carefully investigated by UV-vis absorption and fluorescence spectra. The results show that the compound emits blue and blue-violet light. The luminescence quantum yield is 0.652 in ethanol and the emission spectra exhibit obvious solvent effect. With the increase in polarity of solvents, the fluorescence spectra change obviously and appear blue shift at room temperature. The light emitting can be quenched by both electron donor, N,N-dimethylaniline (DMA), and electron acceptor, dimethylterephthalate (DMTP). On adding gradually, DMA or DMTP into the solution of F-NMAP, the emission intensities of fluorescence are unusually increased. But when the concentration of DMA or DMTP goes beyond a certain scope, the emission intensities of fluorescence are gradually decreased. Simultaneously, the maximum emission peaks of F-NMAP-added DMA are blue-shifted and the maximum emission peaks of F-NMAP-added DMTP are red-shifted, respectively. Moreover, interactions between F-NMAP and fullerene (C60), or carbon nanotubes (CNTs) are also studied by fluorescent quenching where the processes follow the Stern-Volmer equation.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Sep
pubmed:issn
1386-1425
pubmed:author
pubmed:issnType
Print
pubmed:volume
61
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
2505-9
pubmed:dateRevised
2008-11-21
pubmed:meshHeading
pubmed:year
2005
pubmed:articleTitle
Synthesis, characterization and photophysical processes of fluorene derivative containing naphthalene nucleus.
pubmed:affiliation
School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, PR China.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't