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Nanocavity Integrated van der Waals Heterostructure Light-Emitting Tunneling Diode
Abstract
Developing a nanoscale, integrable, and electrically pumped single mode light source is an essential step toward on-chip optical information technologies and sensors. Here, we demonstrate nanocavity enhanced electroluminescence in van der Waals heterostructures (vdWhs) at room temperature. The vertically assembled light-emitting device uses graphene/boron nitride as top and bottom tunneling contacts and monolayer WSe 2 as an active light emitter. By integrating a photonic crystal cavity on top of the vdWh, we observe the electroluminescence is locally enhanced (>4 times) by the nanocavity. The emission at the cavity resonance is single mode and highly linearly polarized (84%) along the cavity mode. By applying voltage pulses, we demonstrate direct modulation of this single mode electroluminescence at a speed of ∼1 MHz, which is faster than most of the planar optoelectronics based on transition metal chalcogenides (TMDCs). Our work shows that cavity integrated vdWhs present a promising nanoscale optoelectronic platform.
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Citations
Cites
Photonics and optoelectronics of 2D semiconductor transition metal dichalcogenides
Mak, K. F., & Shan, J. (2016) · Nature Photonics · doi:10.1038/nphoton.2015.282 · Cited by 3,819
Ultra-low power fiber-coupled gallium arsenide photonic crystal cavity electro-optic modulator
Shambat, G., Ellis, B., Mayer, M. A., Majumdar, A., Haller, E. E., & Vučković, J. (2011) · Optics Express · doi:10.1364/oe.19.007530 · Cited by 34
Self-citation
Cited by
Cai, Z., Liu, B., Zou, X., & Cheng, H.-M. (2018) · Chemical Reviews · doi:10.1021/acs.chemrev.7b00536 · Cited by 1,495
Pham, P. V., Bodepudi, S. C., Shehzad, K., Liu, Y., Xu, Y., Yu, B., & Duan, X. (2022) · Chemical Reviews · doi:10.1021/acs.chemrev.1c00735 · Cited by 708
2D Layered Material‐Based van der Waals Heterostructures for Optoelectronics
Zhou, X., Hu, X., Yu, J., Liu, S., Shu, Z., Zhang, Q., Li, H., Ma, Y., Xu, H., & Zhai, T. (2018) · Advanced Functional Materials · doi:10.1002/adfm.201706587 · Cited by 408
Synthesis, structure and applications of graphene-based 2D heterostructures
Solís-Fernández, P., Bissett, M., & Ago, H. (2017) · Chemical Society Reviews · doi:10.1039/c7cs00160f · Cited by 371
Heterostructures Based on 2D Materials: A Versatile Platform for Efficient Catalysis
Shifa, T. A., Wang, F., Liu, Y., & He, J. (2019) · Advanced Materials · doi:10.1002/adma.201804828 · Cited by 264
Metadata
- Authors
- Liu, C.-H., Clark, G., Fryett, T., Wu, S., Zheng, J., Hatami, F., Xu, X., & Majumdar, A.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2016-12-12
- Volume
- 17
- Issue
- 1
- Pages
- 200-205
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2560786988
- Cited by
- 160
- References
- 2
- FWCI
- 9.60
- Type
- journal article
- Language
- en
- Open access
- closed
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