Results 11 to 20 of about 272,034 (235)

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

Light: 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, Benxuan Li, Tong Chen, Yudi Tu, Hong Ji, Diyar Mousa Othman, Mingfei Xiao, Renjun Liu, Zuhong Zhang, Ying Tang, Wenlong Ming, Meng Li, Hang Zhou, Bo Hou   +13 more
doaj   +3 more sources

Plasmon-Enhanced Visible and Near-Infrared Photodetection with Gold Nanorods UCNPs/MoS₂ Hybrid Device. [PDF]

Int J Mol Sci
The near-infrared photodetection of monolayer MoS2 can be achieved using upconverted nanoparticles (UCNPs). Herein, we demonstrated that gold nanorods (Au NRs) further enhanced the near-infrared photoresponsivity of a hybrid device via the surface plasmon enhancement of the localized field.
Wei H, Lv B, Zhang M, Zhang X, Yan X, Cai J, Yang Y, Yu T.   +7 more
europepmc   +4 more sources

Microcavity‐Enhanced Polarization Photodetection in Antimony Selenide Nanotube‐Based Near‐Infrared Photodetectors

Small Science
This study presents the polarization photodetection enhancement in Sb2Se3 nanotube (NT)‐based near‐infrared (NIR) photodetectors through simulation‐based and experimental investigations. High‐quality single‐crystal Sb2Se3 NTs are grown via chemical vapor
Songqing Zhang, Khalil As’Ham, Han Wang, Wenwu Pan, Ibrahim Al‐Ani, Huijia Luo, Junliang Liu, Yongling Ren, Haroldo Takashi Hattori, Andrey E. Miroshnichenko, Lorenzo Faraone, Wen Lei   +11 more
doaj   +3 more sources

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

Small 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, Roel Vanden Brande, Vincent Herreman, Qianrui Li, Giacomo Romolini, Jim Jui‐Kai Chen, Muhammed Shameem K. M., Bob Van Hout, Li Sun, Qing Zhao, Bapi Pradhan, Johan Hofkens, Elke Debroye   +12 more
doaj   +2 more sources

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

Sci 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, Atar FB, Turgut BB, Okyay AK.   +3 more
europepmc   +8 more sources

2D/3D Perovskite Surface Passivation-Enabled High-Detectivity Near-Infrared Photodiodes [PDF]

Sensors
Due to high responsivity and wide spectral sensitivity, metal halide perovskite photodiodes have a wide range of applications in the fields of visible light and near-infrared photodetection.
Xuefeng Huangfu, Junyu Chen, Gaohui Ge, Jianyu Li, Jiazhen Zhang, Qinhao Lin, Hao Xu, Shu Min Wang   +7 more
doaj   +2 more sources

High-Performance Differential Imaging via Reconfigurable Black Phosphorus p–n Homojunction Optoelectronics [PDF]

Nano-Micro Letters
Highlights Ferroelectric BiFeO3 gating dynamically switches the black phosphorus (BP) homojunction between p–n and n–p states, enabling non-volatile reconfiguration.
Rui Hao, Lili Luo, Lu Yang, Xue Yang, Fengsong Gao, Meijie Zhu, Yingtao Li, Qingliang Feng, Zemin Zhang   +8 more
doaj   +2 more sources

Large area MoSe2 and MoSe2/Bi2Se3 films on sapphire (0001) for near-infrared photodetection

Nano Express
The fabrication of heterojunction-based photodetectors (PDs) is well known for the enhancement of PDs performances, tunable nature of photoconductivity, and broadband application.
Rahul Kumar, Vishnu Aggarwal, Sudhanshu Gautam, Aditya Yadav, Bheem Singh, Ramakrishnan Ganesan, Govind Gupta, Sunil Singh Kushvaha   +7 more
doaj   +2 more sources

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

Nano Letters, 2017
Intersubband optoelectronic devices rely on transitions between quantum-confined electron levels in semiconductor heterostructures, which enables infrared (IR) photodetection in the 1-30 $ $m wavelength window with picosecond response times. Incorporating nanowires as active media could enable an independent control over the electrical cross-section ...
Jonas Lähnemann, Akhil Ajay, Martien I. Den Hertog, Eva Monroy   +3 more
openaire   +5 more sources

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

Nature 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, Yi Liu, Wen Weng, Lina Hua, Liwei Tang, Wuqian Guo, Yaoyao Chen, Tian Yang, Haojie Xu, Junhua Luo, Zhihua Sun   +10 more
doaj   +1 more source