Fullerene/cobalt porphyrin charge-transfer cocrystals： Excellent thermal stability and high mobility

尽管有高活动性和热稳定性的器官的半导体为实际应用程序是特别地合乎需要的，为他们的开发的灵巧的方法仍然是大挑战。在这个工作，费用转移 cocrystal 基于 fullerene (C 70)/cobalt 卟啉超分子的建筑学被 solution-processable 合作集会策略准备。这超分子的体系结构象 4.21 cm2 一样高显示出洞活动性 ?????  ?????????  ?????????????? 壍 ??  ? 吗？？

Although organic semiconductors with high mobility and thermal stability are particularly desirable for practical applications, facile methods for their development still remains a big challenge. In this work, a charge-transfer cocrystal based on fullerene （C70）/cobalt porphyrin supramolecular architecture was prepared by a solution-processable co-assembly strategy. This supramolecular architecture showed hole mobility as high as 4.21 cm2·V-1·s-1, and a relatively high mobility of 0.02 cm2·V-1·s-1 even after thermal treatment at 1,000 ℃. Further studies confirmed the occurrence of charge-transfer from 5,10,15,20- tetrakis（4-methoxyphenyl）porphyrinato cobalt（II） （CoTMPP） to Czo and the paramagnetic character within the supramolecular system. These factors were found to be responsible for the aforementioned superior performances. Thus, a novel organic semiconductor has been reported in this work, which can be potentially used for next generation electronic devices. Furthermore, it has been demonstrated that charge-transfer co-crystallization is a powerful strategy for the rational design and construction of a broad class of new multifunctional organic co-crystalline materials.