Novel Peripherally Substituted Indolo[3,2‐ b ]carbazoles for High‐Mobility Organic Thin‐Film Transistors | Zendy

Li Y. | Zendy; Wu Y. | Zendy; Gardner S. | Zendy; Ong B. S. | Zendy

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Novel Peripherally Substituted Indolo[3,2‐ b ]carbazoles for High‐Mobility Organic Thin‐Film Transistors

Author(s) -

Li Y.,

Wu Y.,

Gardner S.,

Ong B. S.

Publication year - 2005

Publication title -

advanced materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.707

H-Index - 527

eISSN - 1521-4095

pISSN - 0935-9648

DOI - 10.1002/adma.200401290

Subject(s) - transistor , carbazole , materials science , thin film transistor , organic semiconductor , electron mobility , thin film , optoelectronics , terrace (agriculture) , semiconductor , nanotechnology , layer (electronics) , organic chemistry , electrical engineering , chemistry , history , archaeology , voltage , engineering

Strategically functionalized 5,11‐dialkylindolo[3,2‐b]carbazoles (see Figure) represent a novel class of high‐mobility p‐channel semiconductors for organic thin‐film transistors. Specifically, 2,8‐dichloro‐substituted 5,11‐didodecylindolo[3,2‐b]carbazole, which forms highly crystalline films with large interconnecting terrace‐like layered domain structures, has exhibited mobilities reaching 0.14 cm 2 V –1 s –1 and current on/off ratios of 10 7 under ambient conditions.

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