Tetrahedral photoluminescent manganese(II) halide complexes with 1,3-dimethyl-2-phenyl-1,3-diazaphospholidine-2-oxide as a ligand

Marco Bortoluzzi; Jesús Castro; Alberto Gobbo; Valentina Ferraro; Luca Pietrobon; Stefano Antoniutti

doi:10.1039/C9NJ05083C

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Tetrahedral photoluminescent manganese(ii) halide complexes with 1,3-dimethyl-2-phenyl-1,3-diazaphospholidine-2-oxide as a ligand†

Marco Bortoluzzi,

*^ab Jesús Castro,

*^c Alberto Gobbo,^a Valentina Ferraro,

^ab Luca Pietrobon^a and Stefano Antoniutti^ab

Author affiliations

* Corresponding authors

^a Dipartimento di Scienze Molecolari e Nanosistemi, Università Ca' Foscari Venezia, Via Torino 155, I-30170 Mestre (VE), Italy
E-mail: markos@unive.it

^b Consorzio Interuniversitario Reattività Chimica e Catalisi (CIRCC), via Celso Ulpiani 27, 70126 Bari, Italy

^c Departamento de Química Inorgánica, Universidade de Vigo, Facultade de Química, Edificio de Ciencias Experimentais, 36310 Vigo, Galicia, Spain
E-mail: jesusc@uvigo.es

Abstract

Manganese(II) tetrahedral complexes having general formula [MnX₂L₂] (X = Cl, Br, I; L = 1,3-dimethyl-2-phenyl-1,3-diazaphospholidine-2-oxide) were isolated and characterized. The structures of the chloro- and bromo-derivatives were ascertained by single-crystal X-ray diffraction. The three species are appreciably luminescent in the green region upon excitation with UV light. The luminescence lifetimes are strongly dependent upon the choice of the coordinated halide. The rigid 1,3-diazaphospholidine-2-oxide moiety improved the photoluminescence features with respect to comparable phenylphosphonic diamide Mn(II) derivatives.

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Article information

DOI: https://doi.org/10.1039/C9NJ05083C
Article type: Paper
Submitted: 09 Oct 2019
Accepted: 04 Dec 2019
First published: 04 Dec 2019

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New J. Chem., 2020,44, 571-579

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Tetrahedral photoluminescent manganese(II) halide complexes with 1,3-dimethyl-2-phenyl-1,3-diazaphospholidine-2-oxide as a ligand

M. Bortoluzzi, J. Castro, A. Gobbo, V. Ferraro, L. Pietrobon and S. Antoniutti, New J. Chem., 2020, 44, 571 DOI: 10.1039/C9NJ05083C

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New Journal of Chemistry

Tetrahedral photoluminescent manganese(ii) halide complexes with 1,3-dimethyl-2-phenyl-1,3-diazaphospholidine-2-oxide as a ligand†

Abstract

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Tetrahedral photoluminescent manganese(II) halide complexes with 1,3-dimethyl-2-phenyl-1,3-diazaphospholidine-2-oxide as a ligand

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