Synthesis and Properties of Poly(phenylene ethynylene)s with Pendant Hexafluoro-2-propanol Groups

TitleSynthesis and Properties of Poly(phenylene ethynylene)s with Pendant Hexafluoro-2-propanol Groups
Publication TypeJournal Article
Year of Publication2005
AuthorsAmara, JP, Swager, TM
JournalMacromolecules
Volume38
Pagination9091–9094
Date Publishednov
ISSN0024-9297
Keywordspolyarylenealkylene pendant hexafluoropropanol group prepn property sensor
Abstract

Several poly(phenylene-ethynylene)s with pendant hexafluoro-2-propanol (HFIP) groups have been synthesized and characterized in terms of their soln. and thin-film optical properties. The incorporation of strongly hydrogen-bond-donating HFIP groups into conjugated polymers is shown to greatly enhance their fluorescence response upon exposure to the vapors of several hydrogen-bond-accepting analytes such as pyridine and 2,4-dichloropyrimidine. The enhanced sensitivity of these conjugated polymer-based chemosensors is the result of stronger analyte/polymer binding interactions and more facile photoinduced charge-transfer reactions with hydrogen-bonded analytes. [on SciFinder(R)]

URLhttp://pubs.acs.org/doi/abs/10.1021/ma051562b
DOI10.1021/ma051562b