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5 October 2023 Radical design of intermolecular spin-optical interfaces in organic semiconductors
John Hudson, Emrys W. Evans
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Proceedings Volume PC12650, Physical Chemistry of Semiconductor Materials and Interfaces XXII; PC126500V (2023) https://doi.org/10.1117/12.2676712
Event: SPIE Nanoscience + Engineering, 2023, San Diego, California, United States
Abstract
Organic radical molecules are promising for spintronic and quantum information devices due to microsecond spin relaxation lifetimes and strong optical interactions for excitonic states. In this talk, I will set out work combining radical doublet molecules with organic and hybrid-semiconductor triplet systems where spin polarisation has been demonstrated, towards the creation of a novel optical-spin interface. A scheme for transferring spin polarisation from triplet and sensitiser systems to the radical by energy transfer will be outlined. Energy transfer from triplet to doublet excitons will be demonstrated and the mechanisms elucidated by time- and temperature-dependent optical and magnetic resonance spectroscopy.
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John Hudson and Emrys W. Evans "Radical design of intermolecular spin-optical interfaces in organic semiconductors", Proc. SPIE PC12650, Physical Chemistry of Semiconductor Materials and Interfaces XXII, PC126500V (5 October 2023); https://doi.org/10.1117/12.2676712
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KEYWORDS
Quantum interfaces
Design and modelling
Organic semiconductors
Quantum systems
Interfaces
Quantum reading
Spin polarization
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