Dithiophene-Fused Tetracyanonaphthoquinodimethanes (DT-TNAPs): Synthesis and Characterization of π-Extended Quinoidal Compounds for n-Channel Organic Semiconductor

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• 作者：Naoyuki Yanai ; Takamichi Mori ; Shoji Shinamura ; Itaru Osaka ; Kazuo Takimiya
• 刊名：Organic Letters
• 出版年：2014
• 出版时间：January 3, 2014
• 年：2014
• 卷：16
• 期：1
• 页码：240-243
• 全文大小：253K
• ISSN：1523-7052

文摘

Dithiophene-fused tetracyanonaphthoquinodimethanes (DTTNAPs) were synthesized and evaluated as n-channel organic semiconductors. DTTNAPs, regardless of isomeric structures and substituents, have low-lying LUMO energy levels (4.6 eV below the vacuum level), suitable for stable n-channel field-effect transistors (FETs) under ambient conditions. In fact, 伪-DTTNAP derivatives afforded solution-processed FETs showing an electron mobility of 10^鈥? cm² V^鈥? s^鈥?, indicating that DTTNAPs are a potential molecular framework for n-channel organic semiconductors.