Optical spectroscopy of a polyfluorene copolymer at high pressure: intra- and intermolecular interactions.

Optical spectroscopy of a polyfluorene copolymer at high pressure: intra- and intermolecular interactions. Research Abstract Details 

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Optical spectroscopy of a polyfluorene copolymer at high pressure: intra- and intermolecular interactions. Abstract Text:

Johanna P Schmidtke,Ji-Seon Kim,Johannes Gierschner,Carlos Silva,Richard H Friend,Johanna P Schmidtke,Ji-Seon Kim,Johannes Gierschner,Carlos Silva,Richard H Friend,Johanna P Schmidtke,Ji-Seon Kim,Johannes Gierschner,Carlos Silva,Richard H Friend,

We present optical spectroscopy studies of the conjugated polymer poly(9,9-di-n-octylfluorene-alt-benzothiadiazole) (F8BT) at high pressure. The photoluminescence spectrum of F8BT in a dilute solid-state solution in polystyrene redshifts by 320 meV over 7.4 GPa, while that of a F8BT thin film redshifts 460 meV over a comparable pressure range. We attribute the redshift in solution to intrachain pressure effects, principally conformational planarization. The additional contribution from interchain pi-electron interactions accounts for the larger redshift of thin films.

Optical spectroscopy of a polyfluorene copolymer at high pressure: intra- and intermolecular interactions. Publishing Authors By Initials

JP Schmidtke,JS Kim,J Gierschner,C Silva,RH Friend,JP Schmidtke,JS Kim,J Gierschner,C Silva,RH Friend,JP Schmidtke,JS Kim,J Gierschner,C Silva,RH Friend,

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Optical spectroscopy of a polyfluorene copolymer at high pressure: intra- and intermolecular interactions. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Physical review letters

VOLUME: 99

Page Numbers: 167401

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ISSN: 0031-9007

DAY: 19

MONTH: 10

YEAR: 2007

Optical spectroscopy of a polyfluorene copolymer at high pressure: intra- and intermolecular interactions. Information

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LANGUAGE: eng

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Grant and Affiliation Information for Optical spectroscopy of a polyfluorene copolymer at high pressure: intra- and intermolecular interactions.

AFFILIATION: Cavendish Laboratory, University of Cambridge, J. J. Thompson Avenue, Cambridge CB3 0HE, United Kingdom.

Country: United States

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MEDLINETA: Phys Rev Lett

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