DOI: 10.1063/1.2978237. Trap distribution and the impact of oxygen-induced traps on the charge transport in poly(3-hexylthiophene)

Trap distribution and the impact of oxygen-induced traps on the charge transport in poly(3-hexylthiophene)

10.1063/1.2978237

Crossref journal-article

AIP Publishing

Applied Physics Letters (317)

Abstract

The trap distribution in the conjugated polymer poly(3-hexylthiophene) was investigated by fractional thermally stimulated current measurements. Two defect states with activation energies of about 50 and 105 meV and Gaussian energy distributions were revealed. The first is assigned to the tail of the intrinsic density of states, whereas the concentration of the second trap is directly related to oxygen exposure. The impact of the oxygen induced traps on the charge transport was examined by performing photo-induced charge carrier extraction by linearly increasing voltage measurements that exhibited a strong decrease in the mobility with air exposure time.

Bibliography

Schafferhans, J., Baumann, A., Deibel, C., & Dyakonov, V. (2008). Trap distribution and the impact of oxygen-induced traps on the charge transport in poly(3-hexylthiophene). Applied Physics Letters, 93(9).

Authors 4

Julia Schafferhans (first)
Andreas Baumann (additional)
Carsten Deibel (additional)
Vladimir Dyakonov (additional)

References 12 Referenced 126

10.1016/S0301-0104(03)00227-1 / Chem. Phys. (2003)
10.1103/PhysRevLett.84.4946 / Phys. Rev. Lett. (2000)
10.1103/PhysRevB.67.081201 / Phys. Rev. B (2003)
10.1063/1.1595707 / J. Appl. Phys. (2003)
10.1002/pssa.200404343 / Phys. Status Solidi A (2004)
10.1016/S0379-6779(02)00012-7 / Synth. Met. (2002)
10.1016/S0301-0104(98)00167-0 / Chem. Phys. (1998)
10.1016/S0301-0104(99)00169-X / Chem. Phys. (1999)
10.1063/1.1464235 / J. Appl. Phys. (2002)
10.1063/1.1953870 / J. Appl. Phys. (2005)
10.1063/1.1522489 / J. Appl. Phys. (2002)
10.1103/PhysRevLett.91.216601 / Phys. Rev. Lett. (2003)

Dates

Type	When
Created	16 years, 11 months ago (Sept. 4, 2008, 9:49 a.m.)
Deposited	2 years, 1 month ago (July 24, 2023, 9:17 p.m.)
Indexed	1 month ago (July 30, 2025, 6:51 a.m.)
Issued	17 years ago (Sept. 1, 2008)
Published	17 years ago (Sept. 1, 2008)
Published Online	17 years ago (Sept. 3, 2008)
Published Print	17 years ago (Sept. 1, 2008)

Funders 0

None

BibTeX

@article{Schafferhans_2008, title={Trap distribution and the impact of oxygen-induced traps on the charge transport in poly(3-hexylthiophene)}, volume={93}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.2978237}, DOI={10.1063/1.2978237}, number={9}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Schafferhans, Julia and Baumann, Andreas and Deibel, Carsten and Dyakonov, Vladimir}, year={2008}, month=sep }

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