3 years ago

Ladder-type Heteroarenes: Up to 15 Rings with Five Imide Groups

Ladder-type Heteroarenes: Up to 15 Rings with Five Imide Groups
Rocio Ponce Ortiz, Yuxi Wang, Xugang Guo, Yingfeng Wang, Shaohua Ling, Iratxe Arrechea-Marcos, Han Guo, Juan Teodomiro López Navarrete
A series of novel imide-functionalized ladder-type heteroarenes with well-defined structure and controllable conjugation lengths were synthesized and characterized. The synthetic route shows remarkable efficacy for constructing the electron-deficient ladder backbones. π-Conjugation extension leads to narrowed band gaps with enhanced electron affinities. The ladder arenes are incorporated into organic thin-film transistors, and show encouraging electron mobilities of 0.013–0.045 cm2 V−1 s−1. The heteroarenes reported here provide a remarkable platform for fundamental physicochemical studies and materials innovation in organic electronics. Climbing the ladder: A series of novel ladder-type heteroarenes with well-defined structures and precisely controllable conjugation lengths were synthesized with remarkable efficacy and characterized. Compared to most ladder-type arenes, these imide-functionalized building blocks are highly electron-deficient, and thus provide a remarkable platform for materials innovation in organic electronics.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/anie.201702225

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