Abstract

A trivalent neodymium ion (Nd 3+) complex Nd(PM) 3(TP) 2 was synthesized, and its optical properties was studied by introducing Judd–Ofelt theory to calculate the radiative transition rate and the radiative decay time of the 4F 3/2 → 4I J ′ transitions in this Nd(III) complex. The strong emissions of this complex at near-infrared region were owing to the efficient energy transfer from ligands to center metal ion. The potential application of this complex in NIR electroluminescence was studied by fabricating several devices. The maximum NIR irradiance was obtained as 2.1 mW/m 2 at 16.5 V.

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