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This is a Experimental Study study.

Subnanometric Control of Coupling between WS2 Monolayers with a Molecular Spacer

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This research demonstrates how molecular spacers can adjust interlayer coupling in WS2 monolayers, implying enhanced optical characteristics.

Modifying the molecular spacer thickness significantly alters the optical properties of WS2 heterostructures.
The research shows a dependence of valence-band splitting on molecular spacer thickness affecting exciton energy differences.
Utilizing a spin-cast organic molecular spacer enables precise control over interlayer coupling in 2D materials.
Results highlight the potential of this approach to advance atomically thin devices and sensing technologies.

Elrafei et al. (2025) studied this question.

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This research demonstrates how molecular spacers can adjust interlayer coupling in WS2 monolayers, implying enhanced optical characteristics.