Photodetectors of 2D materials from ultraviolet to terahertz waves

Q Qiu, Z Huang - Advanced Materials, 2021 - Wiley Online Library
Abstract 2D materials are considered to be the most promising materials for photodetectors
due to their unique optical and electrical properties. Since the discovery of graphene, many …

Roadmap of terahertz imaging 2021

G Valušis, A Lisauskas, H Yuan, W Knap, HG Roskos - Sensors, 2021 - mdpi.com
In this roadmap article, we have focused on the most recent advances in terahertz (THz)
imaging with particular attention paid to the optimization and miniaturization of the THz …

Electromagnetic response and energy conversion for functions and devices in low‐dimensional materials

MS Cao, XX Wang, M Zhang, JC Shu… - Advanced Functional …, 2019 - Wiley Online Library
Low‐dimensional materials have been long sought after for their particular electromagnetic
(EM) functions, with promising applications in EM wave absorbing and shielding …

Resonant terahertz detection using graphene plasmons

DA Bandurin, D Svintsov, I Gayduchenko, SG Xu… - Nature …, 2018 - nature.com
Plasmons, collective oscillations of electron systems, can efficiently couple light and electric
current, and thus can be used to create sub-wavelength photodetectors, radiation mixers …

Hot carriers in graphene–fundamentals and applications

M Massicotte, G Soavi, A Principi, KJ Tielrooij - Nanoscale, 2021 - pubs.rsc.org
Hot charge carriers in graphene exhibit fascinating physical phenomena, whose
understanding has improved greatly over the past decade. They have distinctly different …

Hybrid Dirac semimetal-based photodetector with efficient low-energy photon harvesting

L Wang, L Han, W Guo, L Zhang, C Yao… - Light: Science & …, 2022 - nature.com
Despite the considerable effort, fast and highly sensitive photodetection is not widely
available at the low-photon-energy range (~ meV) of the electromagnetic spectrum, owing to …

Fast and sensitive terahertz detection using an antenna-integrated graphene pn junction

S Castilla, B Terrés, M Autore, L Viti, J Li, AY Nikitin… - Nano …, 2019 - ACS Publications
Although the detection of light at terahertz (THz) frequencies is important for a large range of
applications, current detectors typically have several disadvantages in terms of sensitivity …

Graphene hybrid structures for integrated and flexible optoelectronics

X Chen, K Shehzad, L Gao, M Long, H Guo… - Advanced …, 2020 - Wiley Online Library
Graphene (Gr) has many unique properties including gapless band structure, ultrafast
carrier dynamics, high carrier mobility, and flexibility, making it appealing for ultrafast …

Sensitivity of field-effect transistor-based terahertz detectors

E Javadi, DB But, K Ikamas, J Zdanevičius, W Knap… - Sensors, 2021 - mdpi.com
This paper presents an overview of the different methods used for sensitivity (ie, responsivity
and noise equivalent power) determination of state-of-the-art field-effect transistor-based …

Anisotropic ultrasensitive PdTe2-based phototransistor for room-temperature long-wavelength detection

C Guo, Y Hu, G Chen, D Wei, L Zhang, Z Chen… - Science …, 2020 - science.org
Emergent topological Dirac semimetals afford fresh pathways for optoelectronics, although
device implementation has been elusive to date. Specifically, palladium ditelluride (PdTe2) …