Results 11 to 20 of about 1,852 (195)

Unlocking high-performance near-infrared photodetection: polaron-assisted organic integer charge transfer hybrids [PDF]

open access: yesLight: Science & Applications
Room temperature femtowatt sensitivity remains a sought-after attribute, even among commercial inorganic infrared (IR) photodetectors (PDs). While organic IR PDs are poised to emerge as a pivotal sensor technology in the forthcoming Fourth-Generation ...
Muhammad Ahsan Iqbal   +5 more
doaj   +2 more sources

Enhancing Near-Infrared Photodetection Efficiency in SPAD With Silicon Surface Nanostructuration

open access: yesIEEE Journal of the Electron Devices Society, 2018
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
Laurent Frey   +3 more
doaj   +2 more sources

Random sized plasmonic nanoantennas on Silicon for low-cost broad-band near-infrared photodetection. [PDF]

open access: yesSci Rep, 2014
In this work, we propose Silicon based broad-band near infrared Schottky barrier photodetectors. The devices operate beyond 1200 nm wavelength and exhibit photoresponsivity values as high as 3.5 mA/W with a low dark current density of about 50 pA/µm(2).
Nazirzadeh MA   +3 more
europepmc   +7 more sources

High responsivity colloidal quantum dots phototransistors for low-dose near-infrared photodetection and image communication [PDF]

open access: yesLight: Science & Applications
The surging demand and adoption of infrared photodetectors (IRPDs) in sectors of imaging, mobile, healthcare, automobiles, and optical communication are hindered by the prohibitive costs of traditional IRPD materials such as InGaAs and HgCdTe.
Shijie Zhan   +13 more
doaj   +2 more sources

Visible–near‐infrared wavelength‐selective photodetection and imaging based on floating‐gate phototransistors

open access: yesInfoMat
Wavelength selective imaging has a wide range of applications in image recognition and other application scenarios, which can effectively improve the recognition rate of objects.
Bo Wang   +13 more
doaj   +2 more sources

Noble Metals Doping in Lead‐Free Double Perovskite Single Crystals: Achieving Near‐Infrared to X‐ray Broadband Photodetection [PDF]

open access: yesSmall Science
Semiconductor materials capable of broadband photodetection, spanning X‐rays to near‐infrared (NIR), are essential for applications in medical imaging, industrial inspection, security, and telecommunications.
Donato Valli   +12 more
doaj   +2 more sources

Near-Infrared Intersubband Photodetection in GaN/AlN Nanowires [PDF]

open access: yesNano Letters, 2017
This document is the unedited Author's version of a Submitted Work that was subsequently accepted for publication in Nano Letters (2017), copyright (C) American Chemical Society after peer review. To access the final edited and published work see http://dx.doi.org/10.1021/acs.nanolett.7b03414 , the supporting information is available (free of charge ...
Jonas Lähnemann   +3 more
openaire   +5 more sources

A molecular pyroelectric enabling broadband photo-pyroelectric effect towards self-driven wide spectral photodetection

open access: yesNature Communications, 2023
Broadband spectral photoresponse has shown bright prospects for various optoelectronic devices, while fulfilling high photoactivity beyond the material bandgap is a great challenge.
Xi Zeng   +10 more
doaj   +1 more source

Highly Efficient Near-Infrared Detector Based on Optically Resonant Dielectric Nanodisks

open access: yesNanomaterials, 2021
Fast detection of near-infrared (NIR) photons with high responsivity remains a challenge for photodetectors. Germanium (Ge) photodetectors are widely used for near-infrared wavelengths but suffer from a trade-off between the speed of photodetection and ...
Reza Masoudian Saadabad   +5 more
doaj   +1 more source

Selective Enhancement of Photoresponse with Ferroelectric‐Controlled BP/In2Se3 vdW Heterojunction

open access: yesAdvanced Science, 2023
Owing to the large built‐in field for efficient charge separation, heterostructures facilitate the simultaneous realization of a low dark current and high photocurrent.
Jian Wang   +13 more
doaj   +1 more source

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