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Luminescent Europium(III) Coordination Zippers Linked with Thiophene-Based Bridges

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Title: Luminescent Europium(III) Coordination Zippers Linked with Thiophene-Based Bridges
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
energy transfer
thermal stability
Issue Date: 19-Sep-2016
Publisher: Wiley-Blackwell
Journal Title: Angewandte chemie-international edition
Volume: 55
Issue: 39
Start Page: 12059
End Page: 12062
Publisher DOI: 10.1002/anie.201606371
PMID: 27554795
Abstract: Novel Eu-III coordination polymers [Eu(hfa)(3)(dpt)](n)(dpt: 2,5-bis(diphenylphosphoryl)thiophene) and [Eu(hfa)(3)(dpedot)](n) (dpedot: 2,5-bis(diphenylphosphoryl)ethylenedioxythiophene) with hydrogen-bonded zipper structures are reported. The coordination polymers are composed of Eu-III ions, hexafluoroacetylacetonato ligands, and thiophene-based phosphine oxide bridges. The zig-zag orientation of single polymer chains induced the formation of densely packed coordination structures with multiple intermolecular interactions, resulting in thermal stability above 300 degrees C. They exhibit a high intrinsic emission quantum yield (ca. 80%) due to their asymmetrical and low-vibrational coordination structures around Eu-III ions. Furthermore, the characteristic alternative orientation of substituents also contributes to the dramatically high ligand-to-metal energy transfer efficiencies of up to 80% in the solid state.
Rights: Angewandte chemie-international edition Volume 55, Issue 39,September 19, 2016,Pages 12059–12062 , 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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