DOI: 10.1063/1.3110904. Determining exciton bandwidth and film microstructure in polythiophene films using linear absorption spectroscopy

Determining exciton bandwidth and film microstructure in polythiophene films using linear absorption spectroscopy

10.1063/1.3110904

Crossref journal-article

AIP Publishing

Applied Physics Letters (317)

Abstract

We analyze the linear absorption spectrum of regioregular poly(3-hexylthiophene) films spun from a variety of solvents to probe directly the film microstructure and how it depends on processing conditions. We estimate the exciton bandwidth and the percentage of the film composed of aggregates quantitatively using a weakly interacting H-aggregate model. This provides a description of the degree and quality of crystallites within the film and is in turn correlated with thin-film field-effect transistor characteristics.

Bibliography

Clark, J., Chang, J.-F., Spano, F. C., Friend, R. H., & Silva, C. (2009). Determining exciton bandwidth and film microstructure in polythiophene films using linear absorption spectroscopy. Applied Physics Letters, 94(16).

Authors 5

Jenny Clark (first)
Jui-Fen Chang (additional)
Frank C. Spano (additional)
Richard H. Friend (additional)
Carlos Silva (additional)

References 21 Referenced 519

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See EPAPS Document No. E-APPLAB-94-058913 for supplementary figures. For more information on EPAPS, see http://www.aip.org/pubservs/epaps.html.
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Dates

Type	When
Created	16 years, 4 months ago (April 22, 2009, 6:28 p.m.)
Deposited	2 years, 2 months ago (July 2, 2023, 10:43 a.m.)
Indexed	11 hours, 56 minutes ago (Sept. 3, 2025, 6:22 a.m.)
Issued	16 years, 4 months ago (April 20, 2009)
Published	16 years, 4 months ago (April 20, 2009)
Published Online	16 years, 4 months ago (April 21, 2009)
Published Print	16 years, 4 months ago (April 20, 2009)

Funders 0

None

BibTeX

@article{Clark_2009, title={Determining exciton bandwidth and film microstructure in polythiophene films using linear absorption spectroscopy}, volume={94}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.3110904}, DOI={10.1063/1.3110904}, number={16}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Clark, Jenny and Chang, Jui-Fen and Spano, Frank C. and Friend, Richard H. and Silva, Carlos}, year={2009}, month=apr }

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