Interfacial Charge Transfer Governs Bias-Polarity-Selective Electroluminescence in van der Waals Tunneling Heterostructures

Q: What does this research mean for the field?

Interfacial charge transfer acts as a pivotal and tunable parameter that governs bias-polarity-selective electroluminescence and inelastic electron tunneling-driven light emission in van der Waals tunneling heterostructures. Novelty: ClaimNovelty.NOVEL_FINDING. Consensus alignment: ConsensusAlignment.ESTABLISHES_NEW_DIRECTION.

Yilei Wang; Zichen Xu; Yuchen Gao; Xinyue Huang; Lujunyu Wang; Yanping Li; Kenji Watanabe; Takashi Taniguchi; Zuxin Chen; Shiqi Yang; Yu Ye

doi:10.1021/acs.nanolett.6c01567

June 26, 2026Nano Letters

Interfacial Charge Transfer Governs Bias-Polarity-Selective Electroluminescence in van der Waals Tunneling Heterostructures

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Key Points

To investigate how interfacial charge transfer affects electroluminescence in van der Waals heterostructures.
Analyzed electroluminescence characteristics in various vdW heterostructures.
Established mechanisms governing light emission based on charge transfer dynamics.
Demonstrated tunability of electroluminescent properties by modifying interfacial interactions.
Confirmed interfacial charge transfer as a crucial factor in electroluminescence behavior.
Achieved nearly symmetric electroluminescence across varying conditions.
Provided a framework for designing optoelectronic devices with selective functionalities.

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Implication

Experimental findings reveal interfacial charge transfer's role in electroluminescence, indicating potential for device engineering.

Abstract

exhibits nearly symmetric EL, confirming this mechanism. Our results establish interfacial charge transfer as a pivotal and tunable parameter governing IET-driven light emission and provide a general framework for engineering bias-polarity-selective optoelectronic functionalities in vdW heterostructures.

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Cite This Study

Wang et al. (2026) studied this question.

synapsesocial.com/papers/6a40bae361bb0a67205c6936 https://doi.org/10.1021/acs.nanolett.6c01567

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Interfacial Charge Transfer Governs Bias-Polarity-Selective Electroluminescence in van der Waals Tunneling Heterostructures

Key Points

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Implication

Abstract

Discussion

Cite This Study

Interfacial Charge Transfer Governs Bias-Polarity-Selective Electroluminescence in van der Waals Tunneling Heterostructures

Key Points

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Implication

Abstract

Discussion

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