Abstract
Abstract This article reports that an achiral optically inactive magnesium(II) phthalocyanine with fluorescent emission properties in the near-infrared region emits far-red-to-near-infrared circularly polarized luminescence (far-red-to-NIR-CPL) when photoexcited under an external magnetic field. Furthermore, the development of an external magnetic field-driven circularly polarized electroluminescence (CPEL) device by embedding the luminophore in the emission layer is detailed. The rotational direction of the optically inactive magnesium(II) phthalocyanine-derived CPL and CPEL can be completely controlled by Faraday geometrical inversion of the applied magnetic field.
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