Scientific article
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Chiral Chromium(III) Complexes as Promising Candidates for Circularly Polarized Luminescence

Published inChemPhotoChem, vol. 5, no. 10, p. 880-892
Publication date2021-09-14
First online date2021-09-14
Abstract

Seeking for chiral chromophores with efficient Circularly Polarized Emission (CPL) is one of the on-going hot topic in chemistry due to their potential applications in emerging fields such as spintronics and photonics. Beyond the largely exploited p-block, 4d/5d-block and f-block chiral entities, chiral Cr(III) complexes have recently attracted interest because of its abundancy in the earth crust, its kinetic inertness and its promising metal-centered Cr(2E) and Cr(2T1) phosphorescence. The associated spin-flip transitions could provide large dissymmetric factor ( 𝒈𝐥𝐮𝐦 ) and high luminescence quantum yields () when six-membered strong-field chelate rings are coordinated to chiral six-coordinate Cr(III). In this mini-review we intend to focus our attention on the state-of-the-art for the design of pseudo-octahedral chiral mononuclear Cr(III) complexes for which chiroptical properties were investigated. The promising electronic properties of these complexes together with their low cost make these underexplored systems appealing candidates for CPL applications.

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Citation (ISO format)
PONCET, Maxime Arnaud et al. Chiral Chromium(III) Complexes as Promising Candidates for Circularly Polarized Luminescence. In: ChemPhotoChem, 2021, vol. 5, n° 10, p. 880–892. doi: 10.1002/cptc.202100146
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Journal ISSN2367-0932
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