Results 1 to 10 of about 12,931 (263)

An Active‐Matrix Synaptic Phototransistor Array for In‐Sensor Spectral Processing [PDF]

open access: yesAdvanced Science
The human retina perceives and preprocesses the spectral information of incident light, enabling fast image recognition and efficient chromatic adaptation.
Dingwei Li   +9 more
doaj   +3 more sources

Ambipolar Solution-processed Hybrid Perovskite Phototransistors [PDF]

open access: yesNature Communications, 2015
Organolead halide perovskites have attracted substantial attention due to their excellent physical properties, which enable them to serve as the active material in emerging hybrid solid-state solar cells. Here we investigate the phototransistors based on
Hu, Weijin   +6 more
core   +4 more sources

Ge‐Based Visible‐Infrared Bipolar Floating‐Gate Phototransistor for Broad‐Spectrum Retinal Bionics [PDF]

open access: yesAdvanced Science
Bipolar cells play a crucial role in perceiving, transmitting, and processing visual information by effectively segregating visual signals into ON and OFF pathways.
Qiancui Zhang   +7 more
doaj   +2 more sources

High Performance Phototransistor Based on 0D-CsPbBr3/2D-MoS2 Heterostructure with Gate Tunable Photo-Response [PDF]

open access: yesNanomaterials
Monolayer MoS2 has been widely researched in high performance phototransistors for its high carrier mobility and strong photoelectric conversion ability.
Chen Yang   +7 more
doaj   +2 more sources

Impact of Channel Thickness and Doping Concentration for Normally-Off Operation in Sn-Doped β-Ga2O3 Phototransistors [PDF]

open access: yesSensors
We demonstrate a Sn-doped monoclinic gallium oxide (β-Ga2O3)-based deep ultraviolet (DUV) phototransistor with high area coverage and manufacturing efficiency.
Youngbin Yoon, Yongki Kim, Myunghun Shin
doaj   +2 more sources

p-Type Schottky Contacts for Graphene Adjustable-Barrier Phototransistors [PDF]

open access: yesNanomaterials
The graphene adjustable-barriers phototransistor is an attractive novel device for potential high speed and high responsivity dual-band photodetection. In this device, graphene is embedded between the semiconductors silicon and germanium. Both n-type and
Carsten Strobel   +7 more
doaj   +2 more sources

An optocoupler-based method for dosimetry in low energy X-ray beams [PDF]

open access: yesEPJ Web of Conferences, 2023
Semiconductor electronic devices have been used as detector in X-ray beams for decades, and the principle of operation is based on measuring the electrical current generated while such a device is under the ionizing radiation.
Silva Jonatas V.   +2 more
doaj   +1 more source

Mathematical simulation of the phototransistors

open access: yesLietuvos Matematikos Rinkinys, 2023
There are presented the model of the phototransistors and evaluated their non-linearity‘s. For simulation non-linearity‘s influence in a signal distortion the functional Voltera series are developed.
Julija Anilionienė
doaj   +3 more sources

The Embedded System to Control the Illuminance of an Office Workplace with LED Light Sources

open access: yesEnergies, 2022
In the paper, an embedded system dedicated to control lighting of the workplace is proposed. The construction of the considered lighting system with a power LED (Light Emitting Diode) and the idea of its control are presented.
Krzysztof Górecki   +2 more
doaj   +1 more source

An Anti‐Ambipolar Cryo‐Phototransistor

open access: yesAdvanced Electronic Materials, 2023
Novel anti‐ambipolar transistors (AATs) are gate tunable rectifiers with a marked potential for multi‐valued logic circuits. In this work, the optoelectronic applications of AATs in cryogenic conditions are studied, of which the AAT devices consist of ...
Roshan Jesus Mathew   +5 more
doaj   +1 more source

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