Core-Fluorinated Naphthalene Diimides: Synthesis, Characterization, and Application in n-Type Organic Field-Effect Transistors

被引:55
作者
yuan, Zhongyi [1 ]
Ma, Yingjie [1 ]
Gessner, Thomas [2 ]
Li, Mengmeng [1 ]
Chen, Long [1 ]
Eustachi, Michael [2 ]
Weitz, R. Thomas [2 ,3 ]
Li, Chen [1 ]
Muellen, Klaus [1 ]
机构
[1] Max Planck Inst Polymer Res, Ackermannweg 10, D-55128 Mainz, Germany
[2] BASF SE, D-67056 Ludwigshafen, Germany
[3] Ludwig Maximilians Univ Munchen, Dept Phys, Amalienstr 54, D-80799 Munich, Germany
关键词
THIN-FILM TRANSISTORS; HIGH-PERFORMANCE; SEMICONDUCTORS; CHANNEL; MOBILITY; PERYLENE; POLYMER; ELECTRONICS;
D O I
10.1021/acs.orglett.5b03489
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
A series of difluoro- and tetrafluoro-substituted naphthalene diimides (NDIs) were synthesized by halogen exchange reactions of corresponding bromo-NDIs with CsF in dioxane. Two strong electron acceptor molecules 6 and 8 with low-lying LUMO energy levels of -4.27 and -4.54 eV were obtained, starting from tetrafluoro-NDI. Organic field-effect transistors (OFETs) based on these fluorinated NDIs were fabricated by vapor deposition, exhibiting n-channel field-effect character under ambient conditions with the highest mobility of 0.1 cm(2) V-1 s(-1).
引用
收藏
页码:456 / 459
页数:4
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