Photoluminescent Energy Transfer from Poly(phenyleneethynylene)s to Near-Infrared Emitting Fluorophores
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1.94 MB
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Author(s)
Swager, Timothy Manning
Song, Inja
Andrew, Trisha Lionel
Kooi, Steven Earl
Levine, Mindy
Date Issued
June 2010
Journal
Journal of Polymer Science Part A Polymer Chemistry
Publisher
Wiley Blackwell
Citation
Levine, Mindy et al. “Photoluminescent Energy Transfer from Poly(phenyleneethynylene)s to Near-infrared Emitting Fluorophores.” Journal of Polymer Science Part A: Polymer Chemistry 48.15 (2010): 3382–3391.
Version
Author's final manuscript
Abstract
Photoluminescent energy transfer was investigated in conjugated polymer-fluorophore blended thin films. A pentiptycene-containing poly(phenyleneethynylene) was used as the energy donor, and 13 fluorophores were used as energy acceptors. The efficiency of energy transfer was measured by monitoring both the quenching of the polymer emission and the enhancement of the fluorophore emission. Near-infrared emitting squaraines and terrylenes were identified as excellent energy acceptors. These results, where a new fluorescent signal occurs in the near-infrared region on a completely dark background, offer substantial possibilities for designing highly sensitive turn-on sensors.
MIT Department
Massachusetts Institute of Technology. Institute for Soldier Nanotechnologies
Massachusetts Institute of Technology. Department of Chemistry
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Creative Commons Attribution-Noncommercial-Share Alike 3.0
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DOI of Published Version
https://doi.org/10.1002/pola.24123
