High ambipolar and balanced carrier mobility in regioregular poly(3-hexylthiophene) | Zendy

Stelios A. Choulis | Zendy; Yongku Kim | Zendy; Jenny Nelson | Zendy; Donal D. C. Bradley | Zendy; Melanie Giles | Zendy; Maxim Shkunov | Zendy; Iain McCulloch | Zendy

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High ambipolar and balanced carrier mobility in regioregular poly(3-hexylthiophene)

Author(s) -

Stelios A. Choulis,

Yongku Kim,

Jenny Nelson,

Donal D. C. Bradley,

Melanie Giles,

Maxim Shkunov,

Iain McCulloch

Publication year - 2004

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.1805175

Subject(s) - ambipolar diffusion , electron mobility , photocurrent , materials science , electric field , electron , electron transport chain , optoelectronics , chemical physics , atmospheric temperature range , nanotechnology , chemistry , physics , thermodynamics , biochemistry , quantum mechanics

The carrier transport of carefully purified regioregular poly(3-hexylthiophene) films was studied using time-of-flight photocurrent measurements. The authors find balanced ambipolar transport with a room-temp. mobility for holes of 3 * 10-4 cm2 V-1 s-1 and for electrons of 1.5 * 10-4 cm2 V-1 s-1 at elec. fields >=105 V/cm. The transport is relatively field independent and weakly temp. dependent, pointing to a high degree of chem. regioregularity and purity. These factors make poly(3-hexylthiophene) attractive for use in a range of electronic applications.

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