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Strain creates a trion factory

Exciton funnelling due to non-homogeneous strain was previously thought of as an efficient neutral exciton transport mechanism. New findings suggest that exciton funnelling might be negligible compared with another strain-dependent process, the conversion of neutral excitons into trions.

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Fig. 1: Strain-induced conversion of neutral excitons into trions in monolayer WS2.


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Correspondence to Riccardo Frisenda or Andres Castellanos-Gomez.

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Frisenda, R., Castellanos-Gomez, A. Strain creates a trion factory. Nat. Photonics 14, 269–270 (2020).

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