Giant Linear and Nonlinear Excitonic Responses in an Atomically Thin Indirect Semiconductor Nitrogen Phosphide
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This article is published in Journal of Physical Chemistry C.The article was published on 2021-06-17 and is currently open access. It has received 9 citations till now. The article focuses on the topics: Phosphide.read more
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Optical coherence in atomic monolayer transition metal dichalcogenides limited by electron-phonon interactions
Prasenjit Dey,J. Paul,Zefang Wang,C. E. Stevens,Cunming Liu,Alessandra Romero,Jie Shan,David J. Hilton,Denis Karaiskaj +8 more
TL;DR: In this article, the excitonic dephasing of three representative transition-metal dichalcogenides, namely, the MoS, MoSe and WSe, was investigated in order to gain a proper understanding of the factors that determine optical coherence in these materials.
Journal ArticleDOI
Type‐II van der Waals Heterostructures Based on AsP and Transition Metal Dichalcogenides: Great Promise for Applications in Solar Cell
TL;DR: In this article , a stable vdW heterostructures based on arsenic phosphorus (AsP) and transition metal dichalcogenides are designed and the geometry, electronic, and optical properties for type-II AsP/MX2 (Mo, W, X, S, Se) by first-principle calculations are systematically explored and their application in solar cell materials is predicted.
Journal ArticleDOI
Quasiparticle energies and significant exciton effects of monolayered blue arsenic phosphorus conformers.
Huiyan Zhao,Qian Wang,Baonan Jia,Lihong Han,Wen Chen,Jinbo Hao,Liyuan Wu,Pengfei Lu,Pengfei Guan +8 more
TL;DR: In this paper, the authors used the single-shot GW-Bethe Salpeter equation (G0W0-BSE) to calculate the electronic and optical properties of six-blue arsenic phosphorus (β-AsP) conformers.
Journal ArticleDOI
Potential outstanding physical properties of novel black arsenic phosphorus As0.25P0.75/As0.75P0.25 phases: a first-principles investigation
TL;DR: In this paper , the As 0.25P0.5P1−x alloys with other compositions were not investigated, while the physical properties of the AsxP1 −x with other composition were investigated.
Journal ArticleDOI
Optical gaps and excitons in semiconducting transition metal carbides (MXenes)
T. Ketolainen,František Karlický +1 more
TL;DR: In this article , the optical and excitonic properties of two-dimensional transition metal carbides, MXenes, were investigated using time-dependent density functional theory together with the HSE06 hybrid functional.
References
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Temperature-dependent excitonic effects in the optical properties of single-layer MoS 2
TL;DR: In this paper, the authors describe how the inclusion of temperature modifies the electronic bands of single-layer MoS${}_{2}$, and explain why, for the bound $A$ and $B$ excitons, the electron-phonon coupling changes mainly the position, and for the $C$ exciton, only the width is affected by temperature.
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InSe monolayer : synthesis, structure and ultra-high second-harmonic generation
Jiadong Zhou,Jia Shi,Qingsheng Zeng,Yu Chen,Lin Niu,Fucai Liu,Ting Yu,Kazu Suenaga,Xinfeng Liu,Junhao Lin,Zheng Liu +10 more
TL;DR: In this paper, the authors demonstrate the successful synthesis of monolayer indium selenide by physical vapor deposition (PVD) method and demonstrate the high quality of the sample was confirmed by complementary characterization techniques such as Raman spectroscopy, atomic force microscopy (AFM) and high resolution annular dark field scanning transmission electron microscopy.
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Second Harmonic Generation in WSe 2
J. Ribeiro-Soares,J. Ribeiro-Soares,J. Ribeiro-Soares,Corey Janisch,Zhiwen Liu,Ana Laura Elías,M. S. Dresselhaus,Mauricio Terrones,Luiz Gustavo Cançado,Ado Jorio +9 more
TL;DR: In this article, the second harmonic generation of single and few-layer mechanically exfoliated tungsten diselenide (WSe2) samples is studied, and the value of the effective second-order nonlinear susceptibility for monolayer WSe2 is obtained, being three orders of magnitude larger than the values usually reported for other nonlinear bulk crystals.
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Anomalous Temperature Dependence of the Band Gap in Black Phosphorus
TL;DR: This work presents an explanation for the BP temperature-induced band gap opening and shows that it arises from a combination of harmonic and lattice thermal expansion contributions, which are in fact highly interwined.
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Electronic band gaps and exciton binding energies in monolayer M o x W 1 − x S 2 transition metal dichalcogenide alloys probed by scanning tunneling and optical spectroscopy
Albert F. Rigosi,Albert F. Rigosi,Heather M. Hill,Heather M. Hill,Kwang Taeg Rim,George W. Flynn,Tony F. Heinz,Tony F. Heinz +7 more
TL;DR: Using optical absorption and scanning tunneling spectroscopy techniques, this paper investigated band-gap properties of single layers of transition metal dichalcogenide (TMDC) alloyed crystals.