DOI: 10.1002/adma.200305275. Controlling the Field‐Effect Mobility of Regioregular Polythiophene by Changing the Molecular Weight

Controlling the Field‐Effect Mobility of Regioregular Polythiophene by Changing the Molecular Weight

10.1002/adma.200305275

Crossref journal-article

Wiley

Advanced Materials (311)

Abstract

A clear dependence of the hole mobility on molecular weight of poly(3‐hexylthiophene) in films is demonstrated. The charge carrier mobility of regioregular polythiophene is shown to increase by four orders of magnitude as the molecular weight is increased from ∼3 200 g mol–1 to 36 000 g mol–1. These observations could explain why the mobility values obtained in different labs vary so widely and suggest that optimizing the molecular weight of conjugated polymers could lead to significant improvements in device performance.

Bibliography

Kline, R. J., McGehee, M. D., Kadnikova, E. N., Liu, J., & FrÃ©chet, J. M. J. (2003). Controlling the FieldâEffect Mobility of Regioregular Polythiophene by Changing the Molecular Weight. Advanced Materials, 15(18), 1519â1522. Portico.

Authors 5

R.J. Kline (first)
M.D. McGehee (additional)
E.N. Kadnikova (additional)
J. Liu (additional)
J.M.J. Fréchet (additional)

References 29 Referenced 893

Dates

Type	When
Created	21 years, 11 months ago (Sept. 11, 2003, 9:20 a.m.)
Deposited	1 year, 9 months ago (Nov. 20, 2023, 9:07 p.m.)
Indexed	6 days, 14 hours ago (Aug. 26, 2025, 2:26 a.m.)
Issued	21 years, 11 months ago (Sept. 11, 2003)
Published	21 years, 11 months ago (Sept. 11, 2003)
Published Online	21 years, 11 months ago (Sept. 11, 2003)
Published Print	21 years, 11 months ago (Sept. 16, 2003)

Funders 0

None

BibTeX

@article{Kline_2003, title={Controlling the Field‐Effect Mobility of Regioregular Polythiophene by Changing the Molecular Weight}, volume={15}, ISSN={1521-4095}, url={http://dx.doi.org/10.1002/adma.200305275}, DOI={10.1002/adma.200305275}, number={18}, journal={Advanced Materials}, publisher={Wiley}, author={Kline, R.J. and McGehee, M.D. and Kadnikova, E.N. and Liu, J. and Fréchet, J.M.J.}, year={2003}, month=sep, pages={1519–1522} }

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