Multi-band and high-sensitivity perfect absorber based on monolayer graphene metamaterial

L Jiang, C Yuan, Z Li, J Su, Z Yi, W Yao, P Wu… - Diamond and Related …, 2021 - Elsevier
Abstract The Finite Difference Time Domain (FDTD) method is used for the simulation, and a
new method based on critical coupling and guided resonance is proposed theoretically and …

A review of two-dimensional inorganic materials: Types, properties, and their optoelectronic applications

N Thakur, P Kumar, S Kumar, AK Singh… - Progress in Solid State …, 2024 - Elsevier
Abstract Two-dimensional (2D) materials have attracted much research attention in the last
ten years, resulting in significant advancements in their theoretical and technical …

Optoelectronic performance prediction of HgCdTe homojunction photodetector in long wave infrared spectral region using traditional simulations and machine …

S Bansal, A Jain, S Kumar, A Kumar, PR Kumar… - Scientific Reports, 2024 - nature.com
This research explores the design of an infrared (IR) photodetector using mercury cadmium
telluride (Hg1–x Cd x Te). It proposes two-and three-dimensional homojunction models …

[HTML][HTML] Broadband terahertz metamaterial absorber based on graphene resonators with perfect absorption

J Zhu, C Wu, Y Ren - Results in Physics, 2021 - Elsevier
The applications of terahertz waves and metamaterials in electromagnetic wave absorbers
are one of the key focus areas of current interdisciplinary scientific research. In this study, we …

Giant photoelectric energy conversion via a 3C-SiC Nano-Thin film double heterojunction

DG Ninh, MT Hoang, T Wang, TH Nguyen… - Chemical Engineering …, 2024 - Elsevier
Enhancing the energy conversion efficiency is utmost important in renewable energy and
self-powered optoelectronic sensing applications. In this study, we propose the concept of a …

A highly efficient bilayer graphene/ZnO/silicon nanowire based heterojunction photodetector with broadband spectral response

S Bansal, K Prakash, K Sharma, N Sardana… - …, 2020 - iopscience.iop.org
This paper presents three self-powered photodetectors namely, p+-bilayer graphene
(BLG)/n+-ZnO nanowires (NWs), p+-BLG/n+-Si NWs/p–-Si and p+-BLG/n+-ZnO NWs/p–-Si …

Dark Current Analysis on GeSn pin Photodetectors

S Ghosh, G Sun, TA Morgan, GT Forcherio, HH Cheng… - Sensors, 2023 - mdpi.com
Group IV alloys of GeSn have been extensively investigated as a competing material
alternative in shortwave-to-mid-infrared photodetectors (PDs). The relatively large defect …

Recent Progress in Synthesis and Photonic Applications of Two-Dimensional Bismuthene

H Li, Z Yang - Applied Sciences, 2023 - mdpi.com
The emergence of phosphorene has generated significant interest in 2D group VA
nanomaterials. Among this group, bismuthene exhibits layer-dependent direct bandgaps …

Optimal design of graphene-based plasmonic enhanced photodetector using PSO

A Molaei-Yeznabad, K Abedi - Scientific Reports, 2024 - nature.com
In this paper, we report a graphene-based plasmonic photodetector optimized using the
particle swarm optimization (PSO) algorithm and compatible with complementary metal …

[HTML][HTML] Pt/ZnO and Pt/few-layer graphene/ZnO Schottky devices with Al ohmic contacts using Atlas simulation and machine learning

S Bansal, AK Rajpoot, G Chamundeswari… - Journal of Science …, 2024 - Elsevier
The search for highly efficient photodetectors, driven by various applications ranging from
environmental monitoring to communication systems and imaging, continues to drive …