Two-dimensional charge transport in self-organized, high-mobility conjugated polymers

@article{Sirringhaus1999TwodimensionalCT,
  title={Two-dimensional charge transport in self-organized, high-mobility conjugated polymers},
  author={Henning Sirringhaus and P. J. Brown and Richard H. Friend and Martin Meedom Nielsen and Klaus Bechgaard and B.M.W. Langeveld-Voss and A. J. H. Spiering and Ren{\'e} A. J. Janssen and E. W. Meijer and Peter T. Herwig and D. M. de Leeuw},
  journal={Nature},
  year={1999},
  volume={401},
  pages={685-688}
}
Self-organization in many solution-processed, semiconducting conjugated polymers results in complex microstructures, in which ordered microcrystalline domains are embedded in an amorphous matrix. This has important consequences for electrical properties of these materials: charge transport is usually limited by the most difficult hopping processes and is therefore dominated by the disordered matrix, resulting in low charge-carrier mobilities (⩽10-5 cm2 V-1 s-1). Here we use thin-film, field… 
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References

SHOWING 1-10 OF 22 REFERENCES
Integrated optoelectronic devices based on conjugated polymers
TLDR
An all-polymer semiconductor integrated device is demonstrated with a high-mobility conjugated polymer field-effect transistor driving a polymer light-emitting diode (LED) of similar size, which represents a step toward all- polymer optoelectronic integrated circuits such as active-matrix polymer LED displays.
Inhomogeneity of Spin-Coated and Cast Non-Regioregular Poly(3-hexylthiophene) Films. Structures and Electrical and Photophysical Properties
We report structures and electrical and photophysical properties of spin-coated and cast non-regioregular poly(3-hexylthiophene) (P3HT) films. Large differences of the properties are found in these
X-ray structural studies of poly(3-alkylthiophenes): an example of an inverse comb
X-ray diffraction studies of oriented poly(3-n-alkylthiophene) (P3AT's) solution-cast films show that these samples are characterized by well-organized lamellar structures whereby stacks of planar
Optical spectroscopy of field-induced charge in poly(3-hexyl thienylene) metal-insulator-semiconductor structures: Evidence for polarons.
TLDR
Metal-insulator-semiconductor structures with poly (3-hexyl thienylene) as the active semiconductor are fabricated and the strong confinement deduced for the polaron is contrasted with the weak confinement observed for bipolarons.
Effect of molecular mass of poly(3-alkylthiophene) on electrical properties
Fractionated precipitation of poly(3-octylthiophene) was used to prepare polymers with different molecular mass and molecular mass distributions. The molecular mass dependent processes of charge
Self-trapping in quasi-one-dimensional solids.
  • Emin
  • Physics
    Physical review. B, Condensed matter
  • 1986
TLDR
Estimated electronic anisotropies in many quasi-one-dimensional systems are not sufficient for these systems to be regarded as one dimensional with regard to self-trapping, according to the ratio of the electronic transfer integral for the easy direction to that for the transverse directions.
Redox States of Long Oligothiophenes: Two Polarons on a Single Chain
Can two isolated radical cations (polarons) exist simultaneously on a π-conjugated chain or do they coalesce into a single, doubly charged spinless (bipolaron) deformation? This long-standing
Interchain coupling and optical absorption in degenerate and nondegenerate polymers.
We present a numerical study based on an extended Su-Schrieffer-Heeger model of the effects of interchain coupling on both degenerate and nondegenerate conjugated polymers. In particular, we study
...
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