Novel functional TPE polymers: aggregation-induced emission, pH response, and solvatochromic behavior
Four tetraphenylethylene (TPE)-based aryleneethynylene polymers with amino or nitro groups are reported. They display strong aggregation-induced emission (AIE). The functional groups trigger acidochromic changes in the emission behavior of these polymers. Amino-substituted P1-P3 exhibit pH response...
Gespeichert in:
| Hauptverfasser: | , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
2019
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| In: |
Macromolecular rapid communications
Year: 2019, Jahrgang: 40, Heft: 6 |
| ISSN: | 1521-3927 |
| DOI: | 10.1002/marc.201800774 |
| Online-Zugang: | Verlag, Volltext: https://doi.org/10.1002/marc.201800774 Verlag, Volltext: https://onlinelibrary.wiley.com/doi/abs/10.1002/marc.201800774 
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| Verfasserangaben: | Wei Huang, Markus Bender, Kai Seehafer, Irene Wacker, Rasmus R. Schröder, Uwe H. F. Bunz |
MARC
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| 245 | 1 | 0 | |a Novel functional TPE polymers |b aggregation-induced emission, pH response, and solvatochromic behavior |c Wei Huang, Markus Bender, Kai Seehafer, Irene Wacker, Rasmus R. Schröder, Uwe H. F. Bunz |
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| 520 | |a Four tetraphenylethylene (TPE)-based aryleneethynylene polymers with amino or nitro groups are reported. They display strong aggregation-induced emission (AIE). The functional groups trigger acidochromic changes in the emission behavior of these polymers. Amino-substituted P1-P3 exhibit pH response through protonation of the amino groups. The position of the amino groups (on TPE or the side chains) influences the fluorescence intensity or emission wavelength as a response to different pH values. Nitro-P4 is solvatochromic due to its donor-acceptor structure. AIE, intramolecular charge transfer, and Förster resonance energy transfer define the fluorescence-based performance of the polymers. The amino-functionalized TPE polymers show excellent nitroarene-sensing performance. P4 is less effective than the amino polymers. A sensor array based on P1-P3 identifies 12 different nitroarenes in water. | ||
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