Abstract
Pure organic luminogens with room temperature phosphorescence (RTP) have drawn much attention due to their fundamental importance and promising applications in optoelectronic devices, bioimaging, sensing, etc. Fluorescence-phosphorescence dual emission at room temperature, however, is rarely observed in pure organic materials. Herein, we reported a metal- and heavy-atom free pure organic luminogen with tert-butyl groups, DtBuCZBP, which is ready to form organogels in dimethylsulfoxide (DMSO). It emits prompt and delayed fluorescence, as well as RTP, namely dual emission in as-prepared solid, gels and polymeric films. To the best of our knowledge, it is the first example of metal- and heavy-atom free pure organic gelator with RTP emission. Such unique RTP and moreover dual emission properties in different states make DtBuCZBP a potential material for diverse applications.
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This work was supported by the National Natural Science Foundation of China (51473092) and the Shanghai Rising-Star Program (15QA1402500). W. Z. Yuan thanks the SMC-Chenxing Young Scholar Program of Shanghai Jiao Tong University.
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Li, K., Zhao, L., Gong, Y. et al. A gelable pure organic luminogen with fluorescence-phosphorescence dual emission. Sci. China Chem. 60, 806–812 (2017). https://doi.org/10.1007/s11426-016-0460-8
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DOI: https://doi.org/10.1007/s11426-016-0460-8