articleNatureAug 16, 2023HYBRID OA

Reversible spin-optical interface in luminescent organic radicals

SGSebastian GorgonKLKuo LvJGJeannine GrüneBHBluebell H. DrummondWKWilliam K. Myers

University of Cambridge · University of Oxford · +9 more institutions

PubMed
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Abstract

Abstract Molecules present a versatile platform for quantum information science 1,2 and are candidates for sensing and computation applications 3,4 . Robust spin-optical interfaces are key to harnessing the quantum resources of materials 5 . To date, carbon-based candidates have been non-luminescent 6,7 , which prevents optical readout via emission. Here we report organic molecules showing both efficient luminescence and near-unity generation yield of excited states with spin multiplicity S > 1. This was achieved by designing an energy resonance between emissive doublet and triplet levels, here on covalently coupled tris(2,4,6-trichlorophenyl) methyl-carbazole radicals and anthracene. We observed that the…

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Topics & keywords

Topics
Keywords
  • Intersystem crossing
  • Excited state
  • Luminescence
  • Photochemistry
  • Delocalized electron
  • Quantum yield
  • Chemistry
  • Spin (aerodynamics)
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