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 1 2021
Accepted
22 2 2021
First published
23 2 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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