Results 11 to 20 of about 80,275 (275)
Scientific Reports, 2023 In the present study, by adding graphene to a photoconductive photodetector with a niobium pentoxide (Nb2O5) absorber layer and exploiting the photogating effect, the responsivity of the photodetector is significantly improved. In this photodetector, the
Zahra Sadeghi Neisiani +2 more
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Microsystems & Nanoengineering, 2023 Plasmonic photodetectors have received increasing attention because their detection properties can be designed by tailoring their metal structures on surfaces without using any additional components.
Masaaki Oshita, Shiro Saito, Tetsuo Kan
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All-optical pulse processing for advanced photonic communication system [PDF]
, 2008 This paper investigates the use of a two-photon absorption photodetector for high speed processing of ultrashort optical pulses in advanced photonic communication systems. Specifically the paper describes how the two-photon absorption photodetector maybe
Barry, Liam P. +9 more
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Nanoscale Research Letters, 2022 In this work, we successfully assembled an organic–inorganic core–shell hybrid p-n heterojunction ultraviolet photodetector by the electropolymerization deposition of poly(3,4-ethylenedioxyselenophene) (PEDOS) on the surface of zinc oxide nanoarrays (ZnO
Aygul Kadir +7 more
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Recent advances in two-dimensional graphitic carbon nitride based photodetectors
Materials & Design, 2023 Graphitic carbon nitride (g-C3N4) is a kind of low cost and environment-friendly 2D polymer semiconductor that exhibits a tunable band gap, high thermal stability, intriguing optoelectronic properties and broad device applications.
Xiwei Zhang +7 more
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A Silicon Electromechanical Photodetector [PDF]
Nano Letters, 2013 Opto-mechanical systems have enabled wide-band optical frequency conversion and multi-channel all-optical radio frequency amplification. Realization of an on-chip silicon communication platform is limited by photodetectors needed to convert optical information to electrical signals for further signal processing.
Tallur, Siddharth, Bhave, Sunil A.
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High-Speed Response Si PIN Photodetector Fabricated and Studied for Visible and Near Infrared Spectral Detection [PDF]
Engineering and Technology Journal, 2008 In the present work , PIN photodetector has been fabricated by vacuum evaporationtechnique, Al was evaporated on top side of an intrinsic – type silicon and In was evaporatedon down side and doped for each sides of an intrinsic silicon with thermal ...
Khalid Z. Yahiya
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Self-driven WSe2 photodetectors enabled with asymmetrical van der Waals contact interfaces
npj 2D Materials and Applications, 2020 Self-driven photodetectors that can detect light without any external voltage bias are important for low-power applications, including future internet of things, wearable electronics, and flexible electronics. While two-dimensional (2D) materials exhibit
Changjian Zhou +6 more
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Crystals, 2021 A low-cost and simple drop-casting method was used to fabricate a carbon nanodot (C-dot)/all-inorganic perovskite (CsPbBr3) nanosheet bilayer heterojunction photodetector on a SiO2/Si substrate.
Hassan Algadi +4 more
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A high performance surface acoustic wave visible light sensor using novel materials: Bi2S3 nanobelts [PDF]
, 2019 Low dimensional Bi2S3 materials are excellent for use in photodetectors with excellent stability and fast response time. In this work, we developed a visible light sensor with good performance based on surface acoustic wave (SAW) devices using Bi2S3 ...
Fu, Chen +8 more
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