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Monolayer PtSe2, a New Semiconducting Transition-Metal-Dichalcogenide, Epitaxially Grown by Direct Selenization of Pt
Open accessAbstract
Single-layer transition-metal dichalcogenides (TMDs) receive significant attention due to their intriguing physical properties for both fundamental research and potential applications in electronics, optoelectronics, spintronics, catalysis, and so on. Here, we demonstrate the epitaxial growth of high-quality single-crystal, monolayer platinum diselenide (PtSe2), a new member of the layered TMDs family, by a single step of direct selenization of a Pt(111) substrate. A combination of atomic-resolution experimental characterizations and first-principle theoretic calculations reveals the atomic structure of the monolayer PtSe2/Pt(111). Angle-resolved photoemission spectroscopy measurements confirm for the first time the semiconducting electronic structure of monolayer PtSe2 (in contrast to its semimetallic bulk counterpart). The photocatalytic activity of monolayer PtSe2 film is evaluated by a methylene-blue photodegradation experiment, demonstrating its practical application as a promising photocatalyst. Moreover, circular polarization calculations predict that monolayer PtSe2 has also potential applications in valleytronics.
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Cites
Efficient iterative schemes for ab initio total-energy calculations using a plane-wave basis set
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Electronics and optoelectronics of two-dimensional transition metal dichalcogenides
Wang, Q. H., Kalantar-Zadeh, K., Kis, A., Coleman, J. N., & Strano, M. S. (2012) · Nature Nanotechnology · doi:10.1038/nnano.2012.193 · Cited by 16,374
The chemistry of two-dimensional layered transition metal dichalcogenide nanosheets
Chhowalla, M., Shin, H. S., Eda, G., Li, L.-J., Loh, K. P., & Zhang, H. (2013) · Nature Chemistry · doi:10.1038/nchem.1589 · Cited by 10,034
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Cited by
Two-dimensional transistors beyond graphene and TMDCs
Liu, Y., Duan, X., Huang, Y., & Duan, X. (2018) · Chemical Society Reviews · doi:10.1039/c8cs00318a · Cited by 474
Li, H., Li, Y., Aljarb, A., Shi, Y., & Li, L.-J. (2018) · Chemical Reviews · doi:10.1021/acs.chemrev.7b00212 · Cited by 382
Self-citationYuan, J., Sun, T., Hu, Z., Yu, W., Ma, W., Zhang, K., Sun, B., Lau, S. P., Bao, Q., Lin, S., et al. (2018) · ACS Applied Materials & Interfaces · doi:10.1021/acsami.8b13620 · Cited by 152
Metadata
- Authors
- Wang, Y., Li, L., Yao, W., Song, S., Sun, J. T., Pan, J., Ren, X., Li, C., Okunishi, E., Wang, Y.-Q., Wang, E., Shao, Y., Zhang, Y. Y., Yang, H.-T., Schwier, E. F., Iwasawa, H., Shimada, K., Taniguchi, M., Cheng, Z., Zhou, S., Du, S., Pennycook, S. J., Pantelides, S. T., & Gao, H.-J.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2015-05-27
- Volume
- 15
- Issue
- 6
- Pages
- 4013-4018
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2304116750
- Cited by
- 701
- References
- 4
- FWCI
- 17.45
- Type
- journal article
- Language
- en
- Open access
- green
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- Wang, Y., Li, L., Yao, W., Song, S., Sun, J. T., Pan, J., Ren, X., Li, C., Okunishi, E., Wang, Y.-Q., Wang, E., Shao, Y., Zhang, Y. Y., Yang, H.-T., Schwier, E. F., Iwasawa, H., Shimada, K., Taniguchi, M., Cheng, Z., . . . Gao, H.-J. (2015). Monolayer PtSe2, a New Semiconducting Transition-Metal-Dichalcogenide, Epitaxially Grown by Direct Selenization of Pt. Nano Letters. https://doi.org/10.1021/acs.nanolett.5b00964
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