Spectral multitude and spectral dynamics reflect changing conjugation length in single molecules of oligophenylenevinylenes.
نویسندگان
چکیده
Single-molecule study of phenylenevinylene oligomers revealed distinct spectral forms due to different conjugation lengths which are determined by torsional defects. Large spectral jumps between different spectral forms were ascribed to torsional flips of a single phenylene ring. These spectral changes reflect the dynamic nature of electron delocalization in oligophenylenevinylenes and enable estimation of the phenylene torsional barriers.
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ورودعنوان ژورنال:
- Physical chemistry chemical physics : PCCP
دوره 14 29 شماره
صفحات -
تاریخ انتشار 2012