scholarly journals A method to restore the intrinsic dielectric functions of 2D materials in periodic calculations

Nanoscale ◽  
2021 ◽  
Author(s):  
Guang Yang ◽  
Shang-Peng Gao
Keyword(s):  
Optical Properties ◽  
2D Materials ◽  
Feasible Method ◽  
Periodic Calculations

A highly feasible method to restore the intrinsic optical properties of 2D materials in supercell calculations was formulated and applied.

Mechanical, electronic and optical properties of novel B2P6 monolayer: ultrahigh carrier mobility and strong optical absorption

2021 ◽  
Author(s):  
Kai Ren ◽  
Huabing Shu ◽  
Wenyi Huo ◽  
Zhen Cui ◽  
Jin Yu ◽  
...  
Keyword(s):  
Optical Properties ◽  
Optical Absorption ◽  
Carrier Mobility ◽  
2D Materials ◽  
Two Dimensional ◽  
Electronic And Optical Properties ◽  
High Carrier Mobility ◽  
High Carrier

Two-dimensional (2D) materials with moderate bandgap and high carrier mobility are decent for the applications in the optoelectronics. In this work, we present a systematically investigation of the mechanical, electronic...

scholarly journals All-Optical Modulation Technology Based on 2D Layered Materials

Micromachines ◽  
2022 ◽  
Vol 13 (1) ◽  
pp. 92
Author(s):  
Hongyan Yang ◽  
Yunzheng Wang ◽  
Zian Cheak Tiu ◽  
Sin Jin Tan ◽  
Libo Yuan ◽  
...  
Keyword(s):  
Optical Properties ◽  
Communication Systems ◽  
Near Infrared ◽  
2D Materials ◽  
Optical Devices ◽  
Optical Systems ◽  
Optical Modulation ◽  
Wavelength Converter ◽  
Optical Modulators ◽  
All Optical

In the advancement of photonics technologies, all-optical systems are highly demanded in ultrafast photonics, signal processing, optical sensing and optical communication systems. All-optical devices are the core elements to realize the next generation of photonics integration system and optical interconnection. Thus, the exploration of new optoelectronics materials that exhibit different optical properties is a highlighted research direction. The emerging two-dimensional (2D) materials such as graphene, black phosphorus (BP), transition metal dichalcogenides (TMDs) and MXene have proved great potential in the evolution of photonics technologies. The optical properties of 2D materials comprising the energy bandgap, third-order nonlinearity, nonlinear absorption and thermo-optics coefficient can be tailored for different optical applications. Over the past decade, the explorations of 2D materials in photonics applications have extended to all-optical modulators, all-optical switches, an all-optical wavelength converter, covering the visible, near-infrared and Terahertz wavelength range. Herein, we review different types of 2D materials, their fabrication processes and optical properties. In addition, we also summarize the recent advances of all-optical modulation based on 2D materials. Finally, we conclude on the perspectives on and challenges of the future development of the 2D material-based all-optical devices.

Tunable Optical Properties of 2D Materials and Their Applications

2020 ◽  
pp. 2001313
Author(s):  
Qijie Ma ◽  
Guanghui Ren ◽  
Kai Xu ◽  
Jian Zhen Ou
Keyword(s):  
Optical Properties ◽  
2D Materials ◽  
Tunable Optical Properties

Effective blue-violet photoluminescence through lanthanum and fluorine ions co-doping for CsPbCl3 perovskite quantum dots

Nanoscale ◽  
2019 ◽  
Vol 11 (5) ◽  
pp. 2484-2491 ◽  
Author(s):  
Yue Zhai ◽  
Xue Bai ◽  
Gencai Pan ◽  
Jinyang Zhu ◽  
He Shao ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Optical Properties ◽  
Quantum Yield ◽  
Feasible Method ◽  
Co Doping ◽  
Photoluminescence Quantum Yield ◽  
Perovskite Quantum Dots ◽  
Fluorine Ions

Co-doping of cation (La3+) and anion (F−) ions is a feasible method to improve the optical properties of CsPbCl3 QDs, and high photoluminescence quantum yield of 36.5% is achieved in CsPb(Cl0.7F0.3)3:La3+ QDs.

scholarly journals Advances in quantum light emission from 2D materials

Nanophotonics ◽  
2019 ◽  
Vol 8 (11) ◽  
pp. 2017-2032 ◽  
Author(s):  
Chitraleema Chakraborty ◽  
Nick Vamivakas ◽  
Dirk Englund
Keyword(s):  
Optical Properties ◽  
Binding Energy ◽  
Momentum Space ◽  
Recent Progress ◽  
Light Emission ◽  
2D Materials ◽  
Two Dimensional ◽  
Theoretical Understanding ◽  
Practical Applications ◽  
Spin Properties

AbstractTwo-dimensional (2D) materials are being actively researched due to their exotic electronic and optical properties, including a layer-dependent bandgap, a strong exciton binding energy, and a direct optical access to electron valley index in momentum space. Recently, it was discovered that 2D materials with bandgaps could host quantum emitters with exceptional brightness, spectral tunability, and, in some cases, also spin properties. This review considers the recent progress in the experimental and theoretical understanding of these localized defect-like emitters in a variety of 2D materials as well as the future advantages and challenges on the path toward practical applications.

Layer-Number Dependent Optical Properties of 2D Materials and Their Application for Thickness Determination

2017 ◽  
Vol 27 (19) ◽  
pp. 1604468 ◽  
Author(s):  
Xiao-Li Li ◽  
Wen-Peng Han ◽  
Jiang-Bin Wu ◽  
Xiao-Fen Qiao ◽  
Jun Zhang ◽  
...  
Keyword(s):  
Optical Properties ◽  
2D Materials ◽  
Layer Number ◽  
Thickness Determination

2D Materials and Quasi-2D Materials: Nonlinear Optical Properties and Corresponding Applications

2017 ◽  
Vol 44 (7) ◽  
pp. 0703002 ◽  
Author(s):  
马志军 Ma Zhijun ◽  
魏荣妃 Wei Rongfei ◽  
胡忠亮 Hu Zhongliang ◽  
邱建荣 Qiu Jianrong
Keyword(s):  
Optical Properties ◽  
Nonlinear Optical ◽  
2D Materials ◽  
Nonlinear Optical Properties
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