Electronic states of the fluorophore 9,10-bis(phenylethynyl)anthracene (BPEA): A synchrotron radiation linear dichroism investigation

Peter W. Thulstrup, Nykola C. Jones, Søren V. Hoffmann, Jens Spanget-Larsen

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

Abstract

The electronic transitions of 9,10-bis(phenylethynyl)anthracene (BPEA) were investigated by synchrotron radiation linear dichroism (SRLD) spectroscopy in the range 20,000–58,000 cm–1 (500–170 nm) on molecular samples aligned in stretched polyethylene. The investigation was supported by variable temperature spectroscopy and by quantum chemical calculations in the LCOAO and TD-DFT models. The combined experimental and theoretical evidence leads to characterization of several previously unobserved transitions and provides a revised polarization analysis of the visible absorption band of BPEA.

OriginalsprogEngelsk
TidsskriftChemical Physics Letters
Vol/bind559
Sider (fra-til)35-40
Antal sider6
ISSN0009-2614
DOI
StatusUdgivet - feb. 2013

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