Fabrication of a Microcavity Prepared by Remote Epitaxy over Monolayer Molybdenum Disulfide.
basic_science · Level V
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- Record sourced from PubMed, PMID 35138803.
- Also identified by DOI 10.1021/acsnano.1c08779.
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Abstract
Advances in epitaxy have enabled the preparation of high-quality material architectures consisting of incommensurate components. Remote epitaxy based on lattice transparency of atomically thin graphene has been intensively studied for cost-effective advanced device manufacturing and heterostructure formation. However, remote epitaxy on nongraphene two-dimensional (2D) materials has rarely been studied even though it has a broad and immediate impact on various disciplines, such as many-body physics and the design of advanced devices. Herein, we report remote epitaxy of ZnO on monolayer MoS<sub>2</sub> and the realization of a whispering-gallery-mode (WGM) cavity composed of a single crystalline ZnO nanorod and monolayer MoS<sub>2</sub>. Cross-sectional transmission electron microscopy and first-principles calculations revealed that the nongraphene 2D material interacted with overgrown and substrate layers and also exhibited lattice transparency. The WGM cavity embedding monolayer MoS<sub>2</sub> showed enhanced luminescence of MoS<sub>2</sub> and multimodal emission.