Similarities of Coordination Polymer and Dimeric Complex of Europium(III) with Joint and Separate Terpyridine and Benzoate | Zendy

Sedykh Alexander E. | Zendy; Sotnik Svetlana A. | Zendy; Kurth Dirk G. | Zendy; Volochnyuk Dmitriy M. | Zendy; Kolotilov Sergey V. | Zendy; MüllerBuschbaum Klaus | Zendy

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Similarities of Coordination Polymer and Dimeric Complex of Europium(III) with Joint and Separate Terpyridine and Benzoate

Author(s) -

Sedykh Alexander E.,

Sotnik Svetlana A.,

Kurth Dirk G.,

Volochnyuk Dmitriy M.,

Kolotilov Sergey V.,

MüllerBuschbaum Klaus

Publication year - 2020

Publication title -

zeitschrift für anorganische und allgemeine chemie

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.354

H-Index - 66

eISSN - 1521-3749

pISSN - 0044-2313

DOI - 10.1002/zaac.201900319

Subject(s) - europium , terpyridine , dimer , quantum yield , chemistry , crystallography , polymer , photoluminescence , yield (engineering) , stereochemistry , polymer chemistry , materials science , organic chemistry , metal , physics , metallurgy , ion , optoelectronics , fluorescence , quantum mechanics

A dimeric complex of trivalent europium [Eu 2 Cl 4 (bc) 2 (ptpy) 2 ] ( 1 ), containing the separate ligands 4'‐phenyl‐2,2':6',2''‐terpyridine (ptpy) and benzoate (bc – ) and a one‐dimensional double strand coordination polymer of the composition 1 ∞ [EuCl 2 (cptpy)] ( 2 ) with 4‐[2,2':6',2''‐terpyridin]‐4'‐yl‐benzoate (cptpy – ) were obtained. The products exhibit structural similarities despite the character of joint and separate functionality of the ligands. The dimer 1 shows photoluminescence with high quantum yield [61(2) %]. Eu 3+ emission lifetime is 1.493(1) ms at room temperature and rises to 1.649(1) ms upon cooling to 77 K.

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