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Facile synthesis and self-assembly of diazafluorenone-based p–n (donor–acceptor) organic semiconductors |
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| Authors: | Wei-Jie Li Hai-Mei Wu Yi-Bao Li Chao-Peng Hu Ming-Dong Yi Ling-Hai Xie Lin Chen Jian-Feng Zhao Xiang-Hua Zhao Nai-En Shi Yan Qian Chen Wang Wei Wei Wei Huang |
| Institution: | 1. Jiangsu-Singapore Joint Research Center for Organic/Bio Electronics & Information Displays and Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications, 9 Wenyuan Road, Nanjing 210046, PR China;2. Key Laboratory of Organo-pharmaceutical Chemistry, Gannan Normal University, Ganzhou 341000, PR China;3. National Center for Nanoscience and Technology, Beijing 100190, PR China |
| Abstract: | A mild and effective method to prepare 2,7-dibromo-4,5-diazafluoren-9-one (3) has been described involving tandem oxidation and rearrangement reactions. Diazafluorenone-based donor–acceptor (p–n) molecules via stille coupling reactions exhibit solvent-dependent fluorescence and excellent self-assembly behaviors at the solid–liquid interface according to the characterization of scanning tunneling microscopy (STM). |
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