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Photo-induced fluorescence quenching in conjugated polymers dispersed in solid matrices at low concentration

Abstract:

When isolated conjugated polymer (CP) chains are studied by single molecule spectroscopy, excitation power density in the range of 10-1000 W cm -2 is normally used. We show that at such excitation power densities the fluorescence ability of CPs is significantly reduced. A new methodological approach allowed us to measure the fluorescence quantum yield (QY) of thin matrix polymer films doped with fluorophores at very low concentration using fluorescence microscopy. Fluorescence QYs of differen...

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Publication status:
Published

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Publisher copy:
10.1039/c4tc00831f

Authors


Sforazzini, G More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Organic Chemistry
Scheblykin, IG More by this author
Publisher:
Royal Society of Chemistry
Journal:
JOURNAL OF MATERIALS CHEMISTRY C
Volume:
2
Issue:
32
Pages:
6601-6608
Publication date:
2014-08-28
DOI:
EISSN:
2050-7526
ISSN:
2050-7526
URN:
uuid:da498b74-bf05-424b-b1c0-52df3fd54860
Source identifiers:
480698
Local pid:
pubs:480698
Language:
English

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