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Nonlinear Optical Signatures of the Transition from Semiconductor to Semimetal in PtSe2
Wang, Lei; Zhang, Saifeng; McEvoy, Niall; Sun, Yi-yang; Huang, Jiawei; Xie, Yafeng; Dong, Ningning; Zhang, Xiaoyan; Kislyakov, Ivan M.; Nunzi, Jean-Michel; Zhang, Long; Wang, Jun
2019-08-01
Source PublicationLASER & PHOTONICS REVIEWS
ISSN1863-8880
Volume13Issue:8
SubtypeArticle
AbstractThe demand for an ultrabroad optical material with a bandgap tunable from zero to at least 1-2 eV has been one of the driving forces for exploring new 2D materials since the emergence of graphene, transition metal dichalcogenides, and black phosphorus. As an ultra-broadband 2D material with energy bandgap ranging from 0 to 1.2 eV, PtSe2 shows much better air stability than its analogue, black phosphorous. In this work, the superior nonlinear optical performance and ultrafast dynamics of layered PtSe2, and signatures of the transition from semiconductor to semimetal are systematically studied. Combining with rate equations, first-principles calculation, and electrical measurements, a comprehensive understanding about the evolution of nonlinear absorption and carrier dynamics with increasing layer thickness is provided, indicating its promising potential in nanophotonic devices such as infrared detectors, optical switches, and saturable absorbers.
Keywordcarrier dynamics damage threshold layered PtSe2 nonlinear optical absorption
DOI10.1002/lpor.201900052
Language英语
WOS Research AreaOptics ; Physics
PublisherWILEY-V C H VERLAG GMBH
Citation statistics
Cited Times:17[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/26986
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Wang, Lei,Zhang, Saifeng,McEvoy, Niall,et al. Nonlinear Optical Signatures of the Transition from Semiconductor to Semimetal in PtSe2[J]. LASER & PHOTONICS REVIEWS,2019,13(8).
APA Wang, Lei.,Zhang, Saifeng.,McEvoy, Niall.,Sun, Yi-yang.,Huang, Jiawei.,...&Wang, Jun.(2019).Nonlinear Optical Signatures of the Transition from Semiconductor to Semimetal in PtSe2.LASER & PHOTONICS REVIEWS,13(8).
MLA Wang, Lei,et al."Nonlinear Optical Signatures of the Transition from Semiconductor to Semimetal in PtSe2".LASER & PHOTONICS REVIEWS 13.8(2019).
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