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This is a In Vitro Study study.

August 22, 2025Advanced ScienceOpen Access

Controlling Twisted Angles in Directly Grown MoS2 Bilayers via Tilt Grain Boundary Engineering

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Chemical vapor deposition method demonstrates control over twisted bilayer MoS2 growth, suggesting new pathways for excitonic physics exploration.

Twisted bilayer MoS2 shows unique optical properties that vary with the twist angle and stacking configurations, enhancing its potential applications.
Significant peaks in interlayer exciton intensity appear at twist angles of approximately 22° and 38°, driven by specific structural conditions.
Growth was achieved using cyclical-carrier-gas chemical vapor deposition, allowing unprecedented monitoring of layer formation at the atomic level.
Findings may enable new approaches to realize complex optical behaviors in moiré systems, paving the way for future material innovations.

Li et al. (2025) studied this question.

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Chemical vapor deposition method demonstrates control over twisted bilayer MoS2 growth, suggesting new pathways for excitonic physics exploration.