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Synthesis and Tunable Optical Properties of C,N-Chelated Borate Luminophores Derived from Potassium Acyltrifluoroborates
| Title: | Synthesis and Tunable Optical Properties of C,N-Chelated Borate Luminophores Derived from Potassium Acyltrifluoroborates |
| Authors: | Taguchi, Jumpei Browse this author | | Matsuura, Satsuki Browse this author | | Seki, Tomohiro Browse this author →KAKEN DB | | Ito, Hajime Browse this author →KAKEN DB |
| Keywords: | acylboron compounds | | boron-containing heterocycles | | cyclization | | mechanochromism | | photoluminescence |
| Issue Date: | 21-Feb-2020 |
| Publisher: | Wiley-Blackwell |
| Journal Title: | Chemistry-A European journal |
| Volume: | 26 |
| Issue: | 11 |
| Start Page: | 2450 |
| End Page: | 2455 |
| Publisher DOI: | 10.1002/chem.201904983 |
| Abstract: | A new class of borate luminophores has been synthesized by a simple two-step reaction using potassium acyltrifluoroborates (KATs) as starting materials. The hydrazones obtained from reactions between KATs and 2-hydrazinopyridines followed by a cyclization resulted in the unprecedented formation of C,N-chelated six-membered bora-heterocycles. Under consideration of the results of DFT and TD-DFT calculations, four luminophores based on such bora-heterocycles are designed and synthesized, which exhibit a tunable fluorescence range from blue to red in the solid state. Moreover, one of the luminophores exhibits mechanofluorochromism from blue to yellow/green. As a result of the aforementioned mechanochromism of one of these luminophores, white-color emission was achieved by simply mixing the four luminophores. |
| Rights: | This is the peer reviewed version of the following article: J. Taguchi, S. Matsuura, T. Seki, H. Ito, Chem. Eur. J. 2020, 26, 2450. , which has been published in final form at doi.org/10.1002/chem.201904983. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. |
| Type: | article (author version) |
| URI: | http://hdl.handle.net/2115/80472 |
| Appears in Collections: | 工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)
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Submitter: 伊藤 肇
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