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

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Title: Triboluminescence of Lanthanide Coordination Polymers with Face-to-Face Arranged Substituents
Authors: Hirai, Yuichi Browse this author
Nakanishi, Takayuki Browse this author
Kitagawa, Yuichi Browse this author
Fushimi, Koji Browse this author
Seki, Tomohiro Browse this author
Ito, Hajime Browse this author
Hasegawa, Yasuchika Browse this author →KAKEN DB
Keywords: coordination polymers
Issue Date: 12-Jun-2017
Publisher: Wiley-Blackwell
Journal Title: Angewandte chemie-international edition
Volume: 56
Issue: 25
Start Page: 7171
End Page: 7175
Publisher DOI: 10.1002/anie.201703638
PMID: 28508446
Abstract: 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 This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.
Type: article (author version)
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)

Submitter: 長谷川 靖哉

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