Tailoring Spectrally Flat Infrared Photodetection with Thickness-Controlled Nanocrystalline Graphite.
Sign Up to like & getrecommendations! Published in 2022 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.1c24306
Abstract: Graphene, a zero-gap semiconductor, absorbs 2.3% of incident photons in a wide wavelength range as a free-standing monolayer, whereas 50% is expected for ∼90 layers. Adjusting the layer number allows the tailoring of the photoresponse;… read more here.
Keywords: infrared photodetection; flat infrared; spectrally flat; thickness ... See more keywords
High-performance mid-infrared photodetection based on Bi2Se3 maze and free-standing nanoplates.
Sign Up to like & getrecommendations! Published in 2020 at "Nanotechnology"
DOI: 10.1088/1361-6528/abcd64
Abstract: The pursuit of optoelectronic devices operating in mid-infrared regime is driven by both fundamental interests and commercial applications. The narrow bandgap (0.3 eV) of layered Bi2Se3 makes it a promising material for mid-infrared photodetection. However,… read more here.
Keywords: bi2se3; mid infrared; infrared photodetection; performance ... See more keywords
Enhancing Near-Infrared Photodetection Efficiency in SPAD With Silicon Surface Nanostructuration
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Journal of the Electron Devices Society"
DOI: 10.1109/jeds.2018.2810509
Abstract: We propose a straightforward technique to increase the near-infrared photo-detection efficiency (PDE) in single photon avalanche photodiodes (SPAD) manufactured in CMOS industrial foundries, without any change in the usual semiconductor process flow. The mask used… read more here.
Keywords: photodetection efficiency; near infrared; surface; enhancing near ... See more keywords
Broadband infrared photodetection using a narrow bandgap conjugated polymer
Sign Up to like & getrecommendations! Published in 2021 at "Science Advances"
DOI: 10.1126/sciadv.abg2418
Abstract: A conjugated polymer semiconductor enables room temperature infrared photodetection from the short- to long-wave infrared. Photodetection spanning the short-, mid-, and long-wave infrared (SWIR-LWIR) underpins modern science and technology. Devices using state-of-the-art narrow bandgap semiconductors… read more here.
Keywords: photodetection; conjugated polymer; polymer broadband; narrow bandgap ... See more keywords
Infrared Photodetection from 2D/3D van der Waals Heterostructures
Sign Up to like & getrecommendations! Published in 2023 at "Nanomaterials"
DOI: 10.3390/nano13071169
Abstract: An infrared photodetector is a critical component that detects, identifies, and tracks complex targets in a detection system. Infrared photodetectors based on 3D bulk materials are widely applied in national defense, military, communications, and astronomy… read more here.
Keywords: van der; infrared photodetection; der waals; detection ... See more keywords