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Surprisingly high quantum yield of emission in a fluorescent coordination polymer with paramagnetic Mn(II) ions

Abstract

A two–dimensional coordination polymer, [Mn3(HEBTC)2(DMSO)6] (1), has been achieved by solvothermal reaction of Mn2+ with 1, 1'–ethynebenzene–3, 3', 5, 5'–tetracarboxylic (H4EBTC). The layer of coordination polymer is composed of trinuclear Mn2+ clusters linked by HEBTC3- ligands to form a (3, 6)–connected topological net. CP 1 with paramagnetic Mn2+ ions shows dual emissions centered at 397 and 468 nm in the solid state at ambient condition, and respectable quantum yields of 15.3% (397 nm) and 12.3% (468 nm). The dual emissions arise from n-π* transition in HEBTC3– and MLCT between HEBTC3– and Mn2+ centers.

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Publication details

The article was received on 17 Oct 2017, accepted on 10 Nov 2017 and first published on 10 Nov 2017


Article type: Communication
DOI: 10.1039/C7DT03909C
Citation: Dalton Trans., 2017, Accepted Manuscript
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    Surprisingly high quantum yield of emission in a fluorescent coordination polymer with paramagnetic Mn(II) ions

    W. Zhang, L. Zhai, X. Ren, J. Zuo and Z. X. Yang, Dalton Trans., 2017, Accepted Manuscript , DOI: 10.1039/C7DT03909C

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