Synthesis and Self‐Assembly of Dihydroxyperylene Bisimides for the Tuning of Photophysical Properties |
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| Authors: | Dr Yongjun Li Zhihong Qing Yanwen Yu Taifeng Liu Runsheng Jiang Prof Yuliang Li |
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| Institution: | 1. Beijing National Laboratory for Molecular Sciences (BNLMS), CAS Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190 (P.R. China), Fax: (+86)?10‐82616576;2. Graduate University of Chinese Academy of Sciences, Beijing 100190 (P.R. China) |
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| Abstract: | The synthesis of 1,10‐dihydroxyperylene bisimides by nucleophilic substitution of brominated perylene bisimide is described. 1,10‐Dihydroxyperylene bisimides formed J aggregates in nonpolar solvents and showed a clearly redshifted absorption band. The solvent polarity also influenced the hydrogen bond with the hydroxyl group, and thus, the photophysical properties of perylene bisimide. The photophysical properties of these dihydroxyperylene perylene bisimides can also be tuned by changing charge transfer from the hydroxyl groups to the perylene core through the introduction of metal ions. |
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| Keywords: | aggregation charge transfer hydrogen bonds perylenes photophysics |
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