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Photonic Quantum Computing
Quantum Chemistry
Spin fine-structure reveals bi-exciton geometry in an organic semiconductor
arXiv
Authors: K. M. Yunusova, S. L. Bayliss, T. Chanelière, V. Derkach, J. E. Anthony, A. D. Chepelianskii, L. R. Weiss
Year
2019
Paper ID
40039
Status
Preprint
Abstract Read
~2 min
Abstract Words
72
Citations
N/A
Abstract
In organic semiconductors, bi-excitons are key intermediates in carrier-multiplication and exciton annihilation. Their local geometry governs their electronic properties and yet has been challenging to determine. Here, we access the structure of the recently discovered S=2 quintet bi-exciton state in an organic semiconductor using broadband optically detected magnetic resonance. We correlate the experimentally extracted spin structure with the molecular crystal geometry to identify the specific molecular pairings on which bi-exciton states reside.
Why This Paper Matters
- This paper contributes to the Quantum Chemistry research area in the Quantum Articles archive.
- It adds a 2019 reference point for readers tracking recent quantum research.
- In organic semiconductors, bi-excitons are key intermediates in carrier-multiplication and exciton annihilation.
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