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http://dx.doi.org/10.5012/bkcs.2007.28.6.995

Structure Effects on Organic Thin-Film Transistor Properties of Dinaphthyl Substituted Pentacene Derivatives  

Son, Ji-Hee (Department of Chemistry/Display Research Center, The Catholic University of Korea)
Kang, In-Nam (Department of Chemistry/Display Research Center, The Catholic University of Korea)
Oh, Se-Young (Department of Chemical & Biomolecular Engineering/Interdisciplinary Program of Integrated Biotechnology, Sogang University)
Park, Jong-Wook (Department of Chemistry/Display Research Center, The Catholic University of Korea)
Publication Information
Bulletin of the Korean Chemical Society / v.28, no.6, 2007 , pp. 995-998 More about this Journal
Abstract
Pentacene moiety has been widely studied in Organic Thin-Film Transistor (OTFT) device as a channel layer because of high carrier mobility. In this study, we have fabricated vertical type Organic Static Induction Transistors (SITs) using pentacene, 6,13-Dinaphthalen-1-ly-Pentacene (1-DNP, 3), and 6,13-Dinaphthalen-2- ly-Pentacene (2-DNP, 4). 1-DNP and 2-DNP have same naphtyl group with pentacene, but different linked position and spatial arrangement. We have checked the static characteristics of materials in vertical type SITs device. We found that pentacene has as on/off ratio of 14.56, 1-DNP and 2-DNP shows as on/off ratio of 36.58 and 6.61 at VDS = 2V in SIT, respectively.
Keywords
OTFT (organic thin-film transistor); Naphthyl; Pentacene; Vertical type; On/off ratio;
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