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Synthesis and Characterization of Solution-Processable Ladderized n-Type Naphthalene Bisimide Copolymers for OFET Applications
被引:100
作者:
Durban, Matthew M.
[2
]
Kazarinoff, Peter D.
[1
]
Segawa, Yukari
[1
,3
]
Luscombe, Christine K.
[1
]
机构:
[1] Univ Washington, Dept Mat Sci & Engn, Seattle, WA 98195 USA
[2] Univ Washington, Dept Chem, Seattle, WA 98195 USA
[3] Tokyo Inst Technol, Grad Sch Engn, Dept Organ & Polymer Mat, Meguro Ku, Tokyo 1528552, Japan
基金:
美国国家科学基金会;
关键词:
THIN-FILM TRANSISTORS;
INTRAMOLECULAR CHARGE-TRANSFER;
FIELD-EFFECT TRANSISTORS;
HIGH-ELECTRON-MOBILITY;
DIIMIDE SEMICONDUCTORS;
ORGANIC SEMICONDUCTORS;
HIGH-PERFORMANCE;
PI-CONJUGATION;
POLYMERS;
PLANAR;
D O I:
10.1021/ma2004822
中图分类号:
O63 [高分子化学(高聚物)];
学科分类号:
070305 ;
080501 ;
081704 ;
摘要:
Solution-processable n-type ladder-based polymers are highly desirable due to their potential capability to form strong. pi-pi interactions. A series of 5 highly soluble naphthalene diimide (NDI) polymers are presented, differing in the degree to which they are able to form imine-bridged ladder polymer structures. Average electron mobilities as high as 0.0026 cm(2) V-1 s(-1), which show an electron-mobility improvement of 4 orders of magnitude following ladderization, and on/off current ratios on the order of 10(4) are reported for the novel material PNDI-2BocL, an alkyl-substituted poly(benzoquinolinophenanthrolinedione). The structure property relationship of the aforementioned series of copolymers is presented and discussed as it pertains to organic field-effect transistor (OFET) performance.
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页码:4721 / 4728
页数:8
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