Growth of nanofibers from thiophenes, thiophene-phenylenes and phenylenes: a systematic study

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Abstract

The synthesis of molecules consisting of various combinations of phenylene and thiophene groups and the subsequent vacuum growth of needle-shaped nanoaggregates on specific surfaces allows us a systematic investigation of the transition between single parallel and multiple aligned needle ('nanofiber') growth. The former growth mode is observed for blue light emitting phenylene fibers, whereas the latter growth mode appears for single crystalline fibers made from green- and orange-light emitting oligo-thiophenes and thiophene/phenylene co-oligomers. In all cases the tailored bottom-up growth results in strongly polarized light emission along specific surface directions. The results are compared to those found for nanoaggregates made from less rod-like organic molecules, namely rubrene and POPOP.
Original languageEnglish
Title of host publicationSPIE Proceedings
Number of pages12
Volume6470
Publication date2007
Pages1-11
DOIs
Publication statusPublished - 2007
EventPhotonics West 2007 - San Jose, United States
Duration: 24. Aug 2010 → …

Conference

ConferencePhotonics West 2007
CountryUnited States
CitySan Jose
Period24/08/2010 → …

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