Issue 9, 2021

Synthesis and photoluminescence of manganese(ii) naphtylphosphonic diamide complexes

Abstract

Manganese(II) halide complexes with N,N,N′,N′-tetramethyl-P-naphtalen-2-ylphosphonic diamide were synthesized from anhydrous MnX2 salts (X = Cl, Br, I) and characterized. Single-crystal X-ray diffraction revealed in all the cases slightly distorted tetrahedral geometry of the coordination sphere. The photoluminescence spectra showed the superimposition of a green emission, related to the 4T1(4G) → 6A1(6S) transition of Mn(II), with a band in the red range. Different possible attributions to the lowest-energy emission were taken into account. The emission spectra of the isolated products are dependent upon the nature of the halide and, in the case of X = Br, also upon the excitation wavelength.

Graphical abstract: Synthesis and photoluminescence of manganese(ii) naphtylphosphonic diamide complexes

Supplementary files

Article information

Article type
Communication
Submitted
13 Janv. 2021
Accepted
22 Febr. 2021
First published
23 Febr. 2021

Dalton Trans., 2021,50, 3132-3136

Synthesis and photoluminescence of manganese(II) naphtylphosphonic diamide complexes

M. Bortoluzzi, V. Ferraro and J. Castro, Dalton Trans., 2021, 50, 3132 DOI: 10.1039/D1DT00123J

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