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Luminescent Tb(III) and Sm(III) complexes with a 1,4,7-triazacyclononane-based tris-aryloxide ligand for high-performance oxygen sensors

Abstract

Taking advantage of the outstanding oxygen-sensitive luminescence properties of the previously synthesised Tb(III) complex [{(MeMeArO)3tacn}LnIII(THF)] (1Tb, Ln = Tb), herein, we have prepared an oxygen sensor based on 1Tb embedded in polystyrene film (1Tb/PS) and found that 1Tb/PS shows the highest sensitivity (I0/I100 = 14.9) and the fastest response (response/recovery time = 1.9 s/2.9 s), among the lanthanide(III)-based oxygen sensors with f-f emission. Moreover, we have prepeard the lanthanide(III)-based colorimetric luminescent oxygen sensor (1TbSm/PS) with green-yellow-red responses, by the combination of 1Tb with a newly synthesised oxygen-insensitive Sm(III) complex (1Sm, Ln = Sm; Φ = 0.010 and τ = 12.2 μs).

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Publication details

The article was received on 17 Apr 2017, accepted on 14 Jun 2017 and first published on 14 Jun 2017


Article type: Paper
DOI: 10.1039/C7DT01388D
Citation: Dalton Trans., 2017, Accepted Manuscript
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    Luminescent Tb(III) and Sm(III) complexes with a 1,4,7-triazacyclononane-based tris-aryloxide ligand for high-performance oxygen sensors

    H. Nakai, M. Kuyama, J. Seo, T. Goto, T. Matsumoto and S. Ogo, Dalton Trans., 2017, Accepted Manuscript , DOI: 10.1039/C7DT01388D

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