Semimetallic Graphene for Infrared Sensing.
Sign Up to like & getrecommendations! Published in 2019 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.9b00977
Abstract: Both photothermal and photovoltaic infrared (IR) detectors employ sensing materials that have an optical band gap. Different from these conventional materials, graphene has a conical band structure that imposes zero band gap. In this study,… read more here.
Keywords: graphene infrared; band gap; semimetallic graphene; graphene ... See more keywords
2D materials for infrared sensing and hyperspectral imaging
Sign Up to like & getrecommendations! Published in 2024 at "Journal of Applied Physics"
DOI: 10.1063/5.0231225
Abstract: 2D materials for sensing applications offer several advantages—high absorption in thin layers, the lack of surface dangling bonds or major defects, ease of materials synthesis and device fabrication, and relaxed substrate lattice-matching requirements. We theoretically… read more here.
Keywords: field; infrared sensing; sensing hyperspectral; materials infrared ... See more keywords
Single-Pixel Thermopile Infrared Sensing for People Counting
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Sensors Journal"
DOI: 10.1109/jsen.2020.3029739
Abstract: People-counting data can be used in building-control systems to improve comfort and in space management applications to optimize building space. In this work, we consider a combi-sensor with a single-pixel thermopile and passive infrared sensor… read more here.
Keywords: pixel thermopile; infrared sensing; single pixel; people counting ... See more keywords
Temperature-Dependent Nonlinear Optical Behavior of Germanium Semiconductor Structures for Infrared Sensing Applications
Sign Up to like & getrecommendations! Published in 2025 at "IEEE Journal of Selected Topics in Quantum Electronics"
DOI: 10.1109/jstqe.2025.3596090
Abstract: This current research paper investigates the temperature-dependent nonlinear optical behavior of germanium (Ge)-based semiconductor structures, focusing on their application in infrared sensing. The study explores the reflection losses and intensity changes of germanium across a… read more here.
Keywords: temperature; semiconductor; infrared sensing; dependent nonlinear ... See more keywords
Resonant Tunneling Diodes: Mid-Infrared Sensing at Room Temperature
Sign Up to like & getrecommendations! Published in 2022 at "Nanomaterials"
DOI: 10.3390/nano12061024
Abstract: Resonant tunneling diode photodetectors appear to be promising architectures with a simple design for mid-infrared sensing operations at room temperature. We fabricated resonant tunneling devices with GaInAsSb absorbers that allow operation in the 2–4 μm… read more here.
Keywords: room temperature; resonant tunneling; mid infrared; infrared sensing ... See more keywords