Photoluminescence and band structure calculations indicate that 3D supertwisted WS2 spirals host bright flat-band excitons, including new direct and phonon-assisted indirect emissions.
Nano letters 22, 9027–9035 (2022)
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Flat band excitons in a three-dimensional supertwisted spiral transition metal dichalcogenide
Photoluminescence and band structure calculations indicate that 3D supertwisted WS2 spirals host bright flat-band excitons, including new direct and phonon-assisted indirect emissions.