What question did this study set out to answer?

To demonstrate and evaluate the remote electrostatic imprinting of moiré patterns from twisted hexagonal boron nitride onto adjacent monolayer MoSe2 to engineer exciton-polaron behavior.

December 2, 2024Nano LettersOpen Access

Moiré Exciton Polaron Engineering via twisted hBN

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Authors

MCMin Hyun ChoKyungpook National University BDBiswajit DattaCity College of New York KHKwanghee HanCity College of New York

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Implication

Experimental study demonstrates remote moiré potential imprinting onto monolayer MoSe2 via twisted hexagonal boron nitride, highlighting a viable platform for optoelectronic devices.

Key Points

To demonstrate and evaluate the remote electrostatic imprinting of moiré patterns from twisted hexagonal boron nitride onto adjacent monolayer MoSe2 to engineer exciton-polaron behavior.
Fabricated heterostructures coupling twisted hexagonal boron nitride with monolayer MoSe2.
Characterized the imprinted moiré domains and potential modulation using Kelvin probe force microscopy and hyperspectral photoluminescence mapping across domain sizes ranging from ~8.7 μm down to ~110 nm.
Achieved electrostatic potential modulation of ~387 ± 52 meV in large ferroelectric domains (~8.7 μm).
Demonstrated the formation of exciton-polarons and modulated optical properties in monolayer MoSe2 across moiré domain sizes scaled down to ~110 nm.

Cite This Study

Cho et al. (2024) studied this question.

synapsesocial.com/papers/69d994f55e5bcb4e3b837159 https://doi.org/10.1021/acs.nanolett.4c04996

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Implication

Experimental study demonstrates remote moiré potential imprinting onto monolayer MoSe2 via twisted hexagonal boron nitride, highlighting a viable platform for optoelectronic devices.

Moiré Exciton Polaron Engineering via twisted hBN

Discussion

Member takes

Implication

Key Points

Cite This Study

Moiré Exciton Polaron Engineering via twisted hBN

Discussion

Member takes

Implication

Key Points

Cite This Study

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