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Triboluminescence of Lanthanide Coordination Polymers with Face-to-Face Arranged Substituents

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タイトル: Triboluminescence of Lanthanide Coordination Polymers with Face-to-Face Arranged Substituents
著者: Hirai, Yuichi 著作を一覧する
Nakanishi, Takayuki 著作を一覧する
Kitagawa, Yuichi 著作を一覧する
Fushimi, Koji 著作を一覧する
Seki, Tomohiro 著作を一覧する
Ito, Hajime 著作を一覧する
Hasegawa, Yasuchika 著作を一覧する
キーワード: coordination polymers
europium
photoluminescence
terbium
triboluminescence
発行日: 2017年 6月12日
出版者: Wiley-Blackwell
誌名: Angewandte chemie-international edition
巻: 56
号: 25
開始ページ: 7171
終了ページ: 7175
出版社 DOI: 10.1002/anie.201703638
抄録: Luminescence upon the grinding of solid materials (triboluminescence, TL) has long been a puzzling phenomenon in natural science and has also attracted attention because of its broad application in optics. It has been generally considered that the TL spectra exhibit similar profiles as those of photoluminescence (PL), although they occur from distinct stimuli. Herein, we describe for the first time a large spectral difference between these two physical phenomena using lanthanide(III) coordination polymers with efficient TL and PL properties. They are composed of emission centers (Tb-III and Eu-III ions), antenna (hexafluoroacetylacetonate=hfa), and bridging ligands (2,5-bis(diphenylphosphoryl)furan=dpf). The emission color upon grinding (yellow TL) is clearly different from that upon UV irradiation (reddish-orange PL) in Tb-III/Eu-III-mixed coordination polymers [Tb,Eu(hfa)(3)(dpf)](n) (Tb/Eu=1). The results directly indicate the discrete excitation processes of PL and TL.
Rights: This is the peer reviewed version of the following article: Angewandte chemie-international edition 56(25) 7171-7175 2017-06-12, which has been published in final form at http://onlinelibrary.wiley.com/doi/10.1002/anie.201703638/abstract. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.
資料タイプ: article (author version)
URI: http://hdl.handle.net/2115/70700
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: 長谷川 靖哉

 

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