Results 51 to 60 of about 12,931 (263)
Advanced Healthcare Materials, EarlyView.Comparison of therapeutic and diagnostic applications of a surface‐emitting light source with multiwavelength emission characteristics. Abstract Conventional light‐emitting‐diode‐based light sources suffer from rigidity, localized heating, and poor adaptability to skin deformation, limiting their use in skin‐attached medical devices.
In Ho Kim +10 more
wiley +1 more source
GaAs optoelectronic neuron arrays [PDF]
, 1993 A simple optoelectronic circuit integrated monolithically in GaAs to implement sigmoidal neuron responses is presented. The circuit integrates a light-emitting diode with one or two transistors and one or two photodetectors. The design considerations for
Grot, Annette +3 more
core
Smart-Pixel Cellular Neural Networks in Analog Current-Mode CMOS Technology [PDF]
, 1994 This paper presents a systematic approach to design CMOS chips with concurrent picture acquisition and processing capabilities. These chips consist of regular arrangements of elementary units, called smart pixels.
Domínguez Castro, Rafael +4 more
core +1 more source
Ferroelectric Quantum Dots for Retinomorphic In‐Sensor Computing
Advanced Materials, EarlyView.This work has provided a protocol for fabricating retinomorphic phototransistors by integrating ferroelectric ligands with quantum dots. The resulting device combines ferroelectricity, optical responsiveness, and low‐power operation to enable adaptive signal amplification and high recognition accuracy under low‐light conditions, while supporting ...
Tingyu Long +26 more
wiley +1 more source
Fast-Response Micro-Phototransistor Based on MoS2/Organic Molecule Heterojunction
Nanomaterials, 2023 Over the past years, molybdenum disulfide (MoS2) has been the most extensively studied two-dimensional (2D) semiconductormaterial. With unique electrical and optical properties, 2DMoS2 is considered to be a promising candidate for future nanoscale ...
Shaista Andleeb +7 more
doaj +1 more source
An ultrasensitive molybdenum-based double-heterojunction phototransistor
Nature Communications, 2021 Two-dimensional (2D) materials are promising for next-generation photo detection because of their exceptional properties such as a strong interaction with light, electronic and optical properties that depend on the number of layers, and the ability to ...
Shun Feng +18 more
semanticscholar +1 more source
Bioinspired Adaptive Sensors: A Review on Current Developments in Theory and Application
Advanced Materials, EarlyView.This review comprehensively summarizes the recent progress in the design and fabrication of sensory‐adaptation‐inspired devices and highlights their valuable applications in electronic skin, wearable electronics, and machine vision. The existing challenges and future directions are addressed in aspects such as device performance optimization ...
Guodong Gong +12 more
wiley +1 more source
Micromachines, 2019 Fabrication of organic thin-film transistors (OTFTs) via high throughput solution process routes have attracted extensive attention. Herein, we report a simple one-step coating method for vertical phase separation of the poly(3-hexylthiophene-2,5-diyl ...
Lin Gao +5 more
doaj +1 more source
Few‐Layer Organic Crystalline van der Waals Heterojunctions for Ultrafast UV Phototransistors
Advanced Electronic Materials, 2020 Organic UV photodetectors using a transistor architecture can yield higher photoresponsivity than diode‐based devices because of the presence of a gate electrode.
Jianhang Guo +11 more
doaj +1 more source
High resolution stopwatch for cents
, 2011 A very low-cost, easy-to-make stopwatch is presented to support various experiments in mechanics. The high-resolution stopwatch is based on two photodetectors connected directly to the microphone input of the sound card.
Ganci A, Gingl Z, K Kopasz, Z Gingl
core +1 more source