Effects of Side-Chain Interdigitation on Stability: An Environmentally, Electrically, and Thermally Stable Semiconducting Polymer

Title
Effects of Side-Chain Interdigitation on Stability: An Environmentally, Electrically, and Thermally Stable Semiconducting Polymer
Author(s)
김세현최단비[최단비]정반석[정반석]안병철[안병철]정대성[정대성]김기민[김기민]박선욱[박선욱]이문호[이문호]고재중[고재중]박찬언[박찬언]
Keywords
FIELD-EFFECT TRANSISTORS; THIN-FILM TRANSISTORS; CONJUGATED POLYMERS; PERFORMANCE; POLYTHIOPHENES; MOBILITY; MORPHOLOGY
Issue Date
201202
Publisher
AMER CHEMICAL SOC
Citation
ACS APPLIED MATERIALS & INTERFACES, v.4, no.2, pp.702 - 706
Abstract
A polymeric semiconductor, poly(3,6-dihexyl-[2,2']bi[thieno[3,2-b]thiophene]) (PDHTT), was synthesized and tested as an active layer in organic thin film transistors (OTFTs). This semiconductor showed considerable potential for use in commercial electronic devices because of its superior characteristics, particularly its good stability. PDHTT-based OTFTs exhibited high stability in air, retaining their initial performance after exposure to 70% relative, humidity for 50 days; they were also stable under repeated electrical stress and even after exposure to temperatures as high as 250 degrees C. We attribute the remarkable Stability of PDHTT OTFTs to the relatively low highest occupied molecular orbital (5.1 eV) level of the polymer and its highly interdigitated structure in the thin film state.
URI
http://hdl.handle.net/YU.REPOSITORY/29812http://dx.doi.org/10.1021/am201301u
ISSN
1944-8244
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공과대학 > 화학공학부 > Articles
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