Performance spread reduction in organic field-effect transistors using semiconducting liquid-crystal polymers | Zendy

Kornelius Tetzner | Zendy; Warren Duffy | Zendy; Karlheinz Bock | Zendy

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Performance spread reduction in organic field-effect transistors using semiconducting liquid-crystal polymers

Author(s) -

Kornelius Tetzner,

Warren Duffy,

Karlheinz Bock

Publication year - 2013

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 - 10.1063/1.4820144

Subject(s) - organic field effect transistor , pentacene , materials science , transistor , annealing (glass) , polymer , organic semiconductor , field effect transistor , fabrication , optoelectronics , dielectric , liquid crystal , nanotechnology , thin film transistor , voltage , electrical engineering , composite material , medicine , alternative medicine , layer (electronics) , pathology , engineering

We report on a semiconducting liquid-crystal polymer (LCP) for organic field-effect transistors (OFET) showing comparable charge carrier mobilities to 6,13-bis(triisopropylsilylethynyl)pentacene (TIPS-PEN) on same test structures using organic dielectrics. In addition, we demonstrate a spread reduction of the OFET parameters by using the LCP allowing the fabrication of transistor devices in a simple processing procedure with a high reproducibility compared to TIPS-PEN, which is essential for the functionality of organic integrated circuits. Investigations of the molecular structure of the LCP reveal a high ordering of the molecules even in the liquid phase which further improves after annealing

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