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8595690 
Journal Article 
Pentiptycene-derived oligo(p-phenyleneethynylene)s: Conformational control, chain-length effects, localization of excitation, and intrachain resonance energy transfer 
Yang, JS; Yan, JL; Lin, CK; Chen, CY; Xie, ZY; Chen, CH 
2009 
Yes 
Angewandte Chemie (International Edition)
ISSN: 1433-7851
EISSN: 1521-3773 
48 
52 
9936-9939+9770 
English 
Do the twist: The preference of large pentiptycene-pentiptycene dihedral angles and the restricted torsional relaxation for pentiptycene-derived oligo (p-phenyleneethynylene)s in a 2-methyltetrahydrofuran glass at 80 K result in a localized excited state. These results demonstrate not only the concept of torsion-induced localization of excitation but also the efficient intrachain energy hopping processes in conjugated polymers. "Chemical equation presented" © 2009 Wiley-VCH Verlag GmbH & Co. KGaA. 
Alkynes; Cross-coupling; FRET; Oligomers; Photophysics