Results 1 to 10 of about 23,761 (161)

Modeling AlGaN p-i-n photodiodes

open access: yesДоклады Белорусского государственного университета информатики и радиоэлектроники, 2022
Ternary AlGaN alloys with a band gap of 3.4 to 6.2 eV are very promising for photodetectors in the UV wavelength range. Using the COMSOL MULTIPHYSICS software based on AlGaN, a p-i-n photodiode model was developed, including its I–V characteristic ...
N. N. Vorsin   +5 more
doaj   +2 more sources

Silicon p-i-n photodiode with increased pulse sensitivity

open access: yesTekhnologiya i Konstruirovanie v Elektronnoi Apparature, 2021
P-n junction semiconductor photodetectors are widely used in various fields of science and technology, including automation and telecontrol, instrumentation equipment, tracking systems, guidance, etc. The most demanded photoelectronic devices are silicon
Mykola Kukurudziak, Yuriy Dobrovolsky
doaj   +2 more sources

A Theoretical Analysis of the Frequency Response in p-i-n Photodiodes that Use InGaAs/InP Materials [PDF]

open access: yesMicromachines
This investigation is centered on the analysis of frequency response characteristics of a p-i-n photodiode using InxGa1−xAs/InP. The InGaAs/InP can be developed under three conditions: compression, tensile strain, and lattice matching.
Nesrine Bakalem   +5 more
doaj   +2 more sources

Label-Free Detection of HeLa Cells Activity Excited by Blue LED [PDF]

open access: yesSensors
This paper investigates a novel optical method that uses a high-responsivity a-Si:H photodiode for label-free detection of luminescence from HeLa cervical cancer cells excited by a blue LED. We examine the energy distribution of the energy-gap density of
Vera Gradišnik   +2 more
doaj   +2 more sources

Silicon four element p-i-n photodiode with improved characteristics

open access: yesРадіоелектронні і комп'ютерні системи, 2023
This article presents the results of the development of silicon coordinate p-i-n photodiodes (PD) with improved parameters. The technological possibilities of reducing the gaps between the responsive areas of multi-element PDs were studied.
Mykola Kukurudziak
doaj   +1 more source

On the Scope of GaN-Based Avalanche Photodiodes for Various Ultraviolet-Based Applications

open access: yesFrontiers in Materials, 2022
We present a review of GaN avalanche photodiodes. GaN-based avalanche photodiodes are of emerging interest to the device community. The review covers various important aspects of the device such as the design space, substrate choice, edge termination ...
Dong Ji, Dong Ji, Srabanti Chowdhury
doaj   +1 more source

Revealing the Hidden Mechanism of Enhanced Responsivity of Doped p-i-n Perovskite Photodiodes via Coupled Opto-Electronic Model

open access: yesMolecules, 2022
Organic-inorganic halide perovskites have demonstrated preeminent optoelectronic performance in recent years due to their unique material properties, and have shown great potential in the field of photodetectors.
Dan Wu   +12 more
doaj   +1 more source

Electronic transport mechanism and defect states for p-InP/i-InGaAs/n-InP photodiodes

open access: yesJournal of Materials Research and Technology, 2022
We have studied the defect states and electronic transport mechanisms in the mismatched p-InP/i-InGaAs/n-InP photodiode grown by molecular beam epitaxy (MBE) using deep-level transient spectroscopy (DLTS) and current–voltage (I–V) measurements.
Thi Kim Oanh Vu   +4 more
doaj   +1 more source

Model and algorithm of creation of silicon photodiod with high sensitivity in the middle infrared area of the spectrum

open access: yesРадіоелектронні і комп'ютерні системи, 2022
The sensitivity of the photodiode will depend on the amount of radiation power that it must register. The characteristics of a photodiode, as is known, are determined by its design.
Yuri Dobrovolsky, Yurii Sorokatyi
doaj   +1 more source

A High Quantum Efficiency Narrow-Band UV-B AlGaN p-i-n Photodiode With Polarization Assistance

open access: yesIEEE Photonics Journal, 2021
We designed and fabricated narrow-band UV-B AlGaN p-i-n photodiodes (PDs) with a full-width at half-maximum (FWHM) of 8 nm by optimizing the Al composition and thickness of the AlGaN layers. To improve the photoelectric response of the narrow-band PDs, a
Qianyu Hou   +10 more
doaj   +1 more source

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