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Black phosphorus (BP) is a two-dimensional layered material composed of phosphorus atoms. Recently, it was demonstrated that external perturbations such as an electric field close the band gap in few-layer BP, and can even induce a band…

Mesoscale and Nanoscale Physics · Physics 2019-03-11 Jiho Jang , Seongjin Ahn , Hongki Min

We demonstrate that encapsulation of atomically thin black phosphorus (BP) by hexagonal boron nitride (h-BN) sheets is very effective for minimizing the interface impurities induced during fabrication of BP channel material for quantum…

Mesoscale and Nanoscale Physics · Physics 2016-07-12 Gen Long , Shuigang Xu , Junying Shen , Jianqiang Hou , Zefei Wu , Tianyi Han , Jiangxiazi Lin , Wing Ki Wong , Yuan Cai , Rolf Lortz , Ning Wang

We present a monolayer black phosphorus (BP)-based metamaterial structure for tunable anisotropic absorption in the mid-infrared. Based on the critical coupling mechanism of guided resonance, the structure realizes the high absorption…

Tuning band gaps in two-dimensional (2D) materials is of great interest in the fundamental and practical aspects of contemporary material sciences. Recently, black phosphorus (BP) consisting of stacked layers of phosphorene was…

Materials Science · Physics 2017-09-13 Sun-Woo Kim , Hyun Jung , Hyun-Jung Kim , Jin-Ho Choi , Su-Huai Wei , Jun-Hyung Cho

In this work, the electronic and optical properties of a Nitrogen (N) or a Boron (B) doped BeO monolayer are investigated in the framework of density functional theory. It is known that the band gap of a BeO monolayer is large leading to…

Density functional theory calculations are performed on phosphorene quantum dots having different shapes and edge terminations to investigate their structure stability, electronic properties, and gas sensing ability. All the selected…

Mesoscale and Nanoscale Physics · Physics 2018-12-05 Hazem Abdelsalam , Vasil A. Saroka , Waleed O. Younis

The unique optoelectronic properties of black phosphorus (BP) have triggered great interest in its applications in areas not fulfilled by other layered materials (LMs). However, its poor stability (fast degradation, i.e. <<1 h for…

Black phosphorus (BP) has recently emerged as an alternative 2D semiconductor owing to its fascinating electronic properties such as tunable bandgap and high charge carrier mobility. The structural investigation of few-layer BP, such as…

Mesoscale and Nanoscale Physics · Physics 2017-02-01 Yangjin Lee , Jun-Yeong Yoon , Declan Scullion , Jeongsu Jang , Elton J G Santos , Hu Young Jeong , Kwanpyo Kim

Crystalline black nitrogen (BN) is an allotrope of nitrogen with the black phosphorus (BP) structure recently synthesized at high pressure by two independent research groups [Ji et al., Sci. Adv. 6, eaba9206 (2020); Laniel et al., Phys.…

Novel low-band-gap copolymer oligomers are proposed on the basis of density functional theory (DFT) quantum chemical calculations of photophysical properties. These molecules have an electron donor-accepter (D-A) architecture involving…

Chemical Physics · Physics 2017-08-18 Tarek Mestiri , Ala Aldin M. H. M. Darghouth , Mark E. Casida , Kamel Alimi

Negative compressibility generated by many-body effects in 2D electronic systems can enhance gate capacitance. We observe capacitance enhancement in a newly emerged 2D layered material, atomically thin black phosphorus (BP). The…

Mesoscale and Nanoscale Physics · Physics 2016-04-05 Yingying Wu , Xiaolong Chen , Zefei Wu , Shuigang Xu , Tianyi Han , Jiangxiazi Lin , Yuan Cai , Yuheng He , Chun Cheng , Ning Wang

Black phosphorus (BP) has recently attracted significant interest due to its unique electronic and optical properties. Doping is an effective strategy to tune a material's electronic structures, however, the direct and controllable growth…

Materials Science · Physics 2020-07-21 Mingqiang Liu , Simin Feng , Yi Hou , Shilong Zhao , Lei Tang , Jiaman Liu , Feng Wang , Bilu Liu

Black phosphorus (BP) as a promising two-dimensional material with extraordinary optical properties constitutes an excellent building block in multilayer hyperbolic metamaterials. In this work, we design a multilayer structure composed of…

Optics · Physics 2019-11-05 Shuyuan Xiao , Tingting Liu , Le Cheng , Chaobiao Zhou , Xiaoyun Jiang , Zhong Li , Chen Xu

We study the effect of boron (B) and Phosphorous (P) co-doping on electronic and optical properties of graphitic carbon nitride (g-C$_3$N$_4$ or GCN) monolayer using density functional simulations. The energy band structure indicates that…

Materials Science · Physics 2018-06-13 Mahdieh Yousefi , Monireh Faraji , Reza Asgari , Alireza Z. Moshfegh

The tunable bandgap from 0.3 eV to 2 eV of black phosphorus (BP) makes it to fill the gap in graphene. When studying the properties of BP more comprehensive, scientists have discovered that many two-dimensional materials, such as tellurene,…

Optics · Physics 2021-03-01 Ying-Ying Li , Bo Gao , Ying Han , Bing-Kun Chen , Jia-Yu Huo

As a high mobility two-dimensional semiconductor with strong structural and electronic anisotropy, atomically thin black phosphorus (BP) provides a new playground for investigating the quantum Hall (QH) effect, including outstanding…

Mesoscale and Nanoscale Physics · Physics 2018-04-18 Jiawei Yang , Son Tran , Jason Wu , Shi Che , Petr Stepanov , Takashi Taniguchi , Kenji Watanabe , Hongwoo Baek , Dmitry Smirnov , Ruoyu Chen , Chun Ning Lau

We review the basic optical, electronic, optoelectronic, thermoelectric and mechanical properties of few-layer black phosphorus (BP), a layered semiconductor that can be exfoliated from bulk BP, the most stable allotrope of phosphorus. The…

Mesoscale and Nanoscale Physics · Physics 2017-10-17 Andrey Chaves , W. Ji , J. Maassen , T. Dumitrica , T. Low

High-performance infrared photodetection underpins various applications spanning surveillance, environmental monitoring, optical communications and biomedical imaging. However, conventional bulk detectors remain limited by poor spectral…

Layered and two-dimensional (2D) materials such as graphene, boron nitride, transition metal dichalcogenides(TMDCs), and black phosphorus (BP) have intriguing fundamental physical properties and bear promise of numerous important…

Mesoscale and Nanoscale Physics · Physics 2018-10-04 Yohannes Abate , Sampath Gamage , Li Zhen , Stephen B. Cronin , Han Wang , Viktoriia Babicheva , Mohammad H. Javani , Mark I. Stockman

We explore the possibility of using van dar Waals bonded heterostructures of stacked together 2D bilayer black phosphorus (BP) for nanoscale device applications. The electronic property of BP in AA stacking and 90{\deg} twisted is studied…

Applied Physics · Physics 2018-11-09 Vivekanand Shukla , Anton Grigoriev , Rajeev Ahuja