Efficient Terahertz detection in black-phosphorus nano-transistors with selective and controllable plasma-wave, bolometric and thermoelectric response.
Leonardo Viti,Jin Hu,D. Coquillat,Antonio Politano,Wojciech Knap,Wojciech Knap,Miriam S. Vitiello +6 more
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TLDR
This work exploits the inherent electrical and thermal in-plane anisotropy of a flexible thin flake of black-phosphorus to demonstrate the first concrete application of a phosphorus-based active Terahertz device, for pharmaceutical and quality control imaging of macroscopic samples, in real-time and in a realistic setting.Abstract:
The ability to convert light into an electrical signal with high efficiencies and controllable dynamics, is a major need in photonics and optoelectronics. In the Terahertz (THz) frequency range, with its exceptional application possibilities in high data rate wireless communications, security, night-vision, biomedical or video-imaging and gas sensing, detection technologies providing efficiency and sensitivity performances that can be "engineered" from scratch, remain elusive. Here, by exploiting the inherent electrical and thermal in-plane anisotropy of a flexible thin flake of black-phosphorus (BP), we devise plasma-wave, thermoelectric and bolometric nano-detectors with a selective, switchable and controllable operating mechanism. All devices operates at room-temperature and are integrated on-chip with planar nanoantennas, which provide remarkable efficiencies through light-harvesting in the strongly sub-wavelength device channel. The achieved selective detection (∼5-8 V/W responsivity) and sensitivity performances (signal-to-noise ratio of 500), are here exploited to demonstrate the first concrete application of a phosphorus-based active THz device, for pharmaceutical and quality control imaging of macroscopic samples, in real-time and in a realistic setting.read more
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Recent progress in 2D group-VA semiconductors: from theory to experiment
Shengli Zhang,Shiying Guo,Zhongfang Chen,Yeliang Wang,Hong-Jun Gao,Julio Gómez-Herrero,Pablo Ares,Félix Zamora,Zhen Zhu,Haibo Zeng +9 more
TL;DR: In this review, the latest theoretical and experimental progress made in the fundamental properties, fabrications and applications of 2D group-VA materials are explored, and perspectives and challenges for the future of this emerging field are offered.
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Black Phosphorus Mid-Infrared Photodetectors with High Gain
Qiushi Guo,Andreas Pospischil,Maruf A. Bhuiyan,Hao Jiang,He Tian,Damon B. Farmer,Bingchen Deng,Cheng Li,Shu-Jen Han,Han Wang,Qiangfei Xia,Tso-Ping Ma,Thomas Mueller,Fengnian Xia +13 more
TL;DR: Noise measurements show that such BP photodetectors are capable of sensing mid-infrared light in the picowatt range, and the high photoresponse remains effective at kilohertz modulation frequencies, because of the fast carrier dynamics arising from BP's moderate bandgap.
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Black Phosphorus Rediscovered: From Bulk Material to Monolayers
TL;DR: This Review begins with the origin of the BP story, following the path from a bulk material to modern few/single layers, and the state-of-the-art of BP applications highlighted.
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Applications of Phosphorene and Black Phosphorus in Energy Conversion and Storage Devices
Jinbo Pang,Alicja Bachmatiuk,Yin Yin,Barbara Trzebicka,Liang Zhao,Lei Fu,Rafael G. Mendes,Rafael G. Mendes,Thomas Gemming,Zhongfan Liu,Zhongfan Liu,Mark H. Rümmeli +11 more
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Monolayer atomic crystal molecular superlattices
Chen Wang,Qiyuan He,Udayabagya Halim,Yuanyue Liu,Enbo Zhu,Zhaoyang Lin,Hai Xiao,Xidong Duan,Ziying Feng,Rui Cheng,Nathan O. Weiss,G. J. Ye,Yun-Chiao Huang,Hao Wu,Hung-Chieh Cheng,Imran Shakir,Lei Liao,Xianhui Chen,William A. Goddard,Yu Huang,Xiangfeng Duan +20 more
TL;DR: It is shown that several different two-dimensional atomic crystals, such as molybdenum disulfide and tungsten diselenide, can be intercalated with quaternary ammonium molecules of varying sizes and symmetries to produce a broad class of superlattices with tailored molecular structures, interlayer distances, phase compositions, electronic and optical properties.
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