Mid-infrared light-emitting properties and devices based on thin-film black phosphorus

Mid-infrared (MIR) radiation has a wide range of applications in military, environmental monitoring, and medical treatment. Black phosphorus (BP), an emerging van der Waals (vdW) layered material, shows high carrier mobility, decent optoelectronic properties, and good compatibility with silicon tech...

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Bibliographic Details
Published in:Journal of materials chemistry. C, Materials for optical and electronic devices Materials for optical and electronic devices, 2021-04, Vol.9 (13), p.4418-4424
Main Authors: Zong, Xinrong, Liao, Kan, Zhang, Le, Zhu, Chao, Jiang, Xiaohong, Chen, Xiaolong, Wang, Lin
Format: Article
Language:English
Subjects:
Carrier mobility
Coupling
Devices
Electric fields
Environmental monitoring
Heterojunctions
Hybrid systems
Infrared radiation
Lasers
Light
Light emitting diodes
Military applications
Optoelectronics
Phosphorus
Photoluminescence
Silicon
Temperature dependence
Thickness
Thin films
Waveguides
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Summary:Mid-infrared (MIR) radiation has a wide range of applications in military, environmental monitoring, and medical treatment. Black phosphorus (BP), an emerging van der Waals (vdW) layered material, shows high carrier mobility, decent optoelectronic properties, and good compatibility with silicon technologies. In 2019, the MIR photoluminescence properties of thin-film black phosphorus were uncovered. Further studies show that the MIR photoluminescence properties can be widely tuned by temperature, thickness and external electric field, indicating BP as a promising MIR light-emitting material candidate. Optically-driven MIR lasers have been also achieved through coupling thin-film BP with well-designed micro-cavities. In addition, the realization of electrically-driven MIR light-emitting devices of BP-based vdW heterojunction further paves the way of MIR light-emitting applications in the BP-silicon hybrid on-chip systems with low cost and high integration scale. Herein, we review the recent research progress of BP MIR light-emitting properties, including the thickness-, temperature-, electric-field-dependent MIR light-emitting properties, and BP-based MIR light-emitting devices, such as MIR lasers and light-emitting diodes. The coupling between BP MIR light-emitting devices and silicon waveguide will also be discussed. Mid-infrared (MIR) radiation has a wide range of applications in military, environmental monitoring, and medical treatment.
ISSN:2050-7526
2050-7534
DOI:10.1039/d0tc05384h