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Polarity-Reversed Robust Carrier Mobility in Monolayer MoS2 Nanoribbons
Open accessAbstract
Using first-principles calculations and deformation potential theory, we investigate the intrinsic carrier mobility (μ) of monolayer MoS2 sheet and nanoribbons. In contrast to the dramatic deterioration of μ in graphene upon forming nanoribbons, the magnitude of μ in armchair MoS2 nanoribbons is comparable to its sheet counterpart, albeit oscillating with ribbon width. Surprisingly, a room-temperature transport polarity reversal is observed with μ of hole (h) and electron (e) being 200.52 (h) and 72.16 (e) cm(2) V(-1) s(-1) in sheet, and 49.72 (h) and 190.89 (e) cm(2) V(-1) s(-1) in 4 nm nanoribbon. The high and robust μ and its polarity reversal are attributable to the different characteristics of edge states inherent in MoS2 nanoribbons. Our study suggests that width reduction together with edge engineering provide a promising route for improving the transport properties of MoS2 nanostructures.
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Cites
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Electronics and optoelectronics of two-dimensional transition metal dichalcogenides
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Two-dimensional atomic crystals
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Controlled Synthesis of Highly Crystalline MoS 2 Flakes by Chemical Vapor Deposition
Wang, X., Feng, H., Wu, Y., & Jiao, L. (2013) · Journal of the American Chemical Society · doi:10.1021/ja4013485 · Cited by 748
Cited by
Layer-dependent Band Alignment and Work Function of Few-Layer Phosphorene
Cai, Y., Zhang, G., & Zhang, Y.-W. (2014) · Scientific Reports · doi:10.1038/srep06677 · Cited by 894
Self-citationApplication of graphene in energy storage device – A review
Olabi, A. G., Abdelkareem, M. A., Wilberforce, T., & Sayed, E. T. (2021) · Renewable and Sustainable Energy Reviews · doi:10.1016/j.rser.2020.110026 · Cited by 852
Wang, S., Ren, C., Tian, H., Yu, J., & Sun, M. (2018) · Physical Chemistry Chemical Physics · doi:10.1039/c8cp00808f · Cited by 423
Zhang, X., Zhao, X., Wu, D., Jing, Y., & Zhou, Z. (2015) · Nanoscale · doi:10.1039/c5nr04717j · Cited by 290
Wang, S., Tian, H., Ren, C., Yu, J., & Sun, M. (2018) · Scientific Reports · doi:10.1038/s41598-018-30614-3 · Cited by 282
Metadata
- Authors
- Cai, Y., Zhang, G., & Zhang, Y.-W.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2014-04-21
- Volume
- 136
- Issue
- 17
- Pages
- 6269-6275
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W1972198310
- Cited by
- 959
- References
- 4
- FWCI
- 22.63
- Type
- journal article
- Language
- en
- Open access
- green
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