Journal
APPLIED PHYSICS LETTERS
Volume 95, Issue 2, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3183509
Keywords
electrodes; gold; organic compounds; organic field effect transistors
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Funding
- Japan Society for the Promotion of Science (JSPS) [P07838]
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We fabricated high-performance single crystal organic field-effect transistors (SC-OFETs) based on dinaphtho[2,3-b:2('),3(')-f]thieno[3,2-b]-thiophene (DNTT). Among various device geometries and contact types, best performance is obtained for a lamination-type SC-OFET composed of a Cytop-treated SiO2 gate dielectric and top-contact gold/tetrathiafulvalene-tetracyanoquinodimethane electrodes, which results in hysteresis-free device characteristics with optimum mobility of 8.3 cm(2)/V s and an on/off ratio of >10(8). The achieved performance is promising for use of the air-stable DNTT in future studies of intrinsic properties of molecular crystals.
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