4.3 Article

Synthesis, structures and photoluminescence of two Er(III) coordination polymers

Journal

JOURNAL OF COORDINATION CHEMISTRY
Volume 61, Issue 6, Pages 945-955

Publisher

TAYLOR & FRANCIS LTD
DOI: 10.1080/00958970701411361

Keywords

erbium; coordination polymer; crystal structure; IR spectrum; photoluminescence

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Two new erbium compounds, [Er-2(BDC)(3)(DMF)(2)] (1) and [Er-2(CQC)(3)(DMF)(3)(H2O)] center dot DMF center dot H2O (2), where BDC stands for 1,4-benzenedicarboxylate, CQC for 2-(4-carboxyquinolin-2-yl)quinoline-4-carboxylate, and DMF for N,N-dimethylformamide, have been synthesized through pre-heating and cooling-down crystallization. In 1 the Er(III) is seven-coordinate with oxygen atoms from six BDC and one DMF, forming a three-dimensional open-framework structure. Compound 2 possesses a 2D structure based on dinuclear Er(III) building units. The photoluminescence of 1 has also been investigated.

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