Results 131 to 140 of about 325,329 (311)

Development and characterization of a high CRI LED lamp

open access: yes, 2022
The aim of this thesis is to realize a high CRI LED lamp using the color mixing technique. We start from a high efficiency white LED(low CRI) and we add to it different monochromatic LEDs (blue, green, red..) to increase the rendering index ...
Meneghesso, Matteo
core  

Dual‐State Programmable Oxide Transistor for Time‐Based Cryptography

open access: yesAdvanced Materials, EarlyView.
A DUPOT enables independently tunable Vth and Isat depending on gate bias polarity, producing three‐dimensional dynamical behavior within a transfer characteristic. This behavior originates from charge trapping and oxygen‐ion migration in the HfO2 layer.
Huisu Noh   +9 more
wiley   +1 more source

Design of highly responsive chemiresistor-based sensors by interfacing NiPc with graphene

open access: yesCommunications Materials
Highly sensitive and selective gas-sensing materials are critical for applications ranging from environmental monitoring to breath analysis. A rational approach at the nanoscale is urgent to design next-generation sensing devices.
Daniele Perilli   +8 more
doaj   +1 more source

Spectral Selective and Low‐Noise Thin‐Film Organic Photodetectors Enabled by Electric‐Field Engineering

open access: yesAdvanced Materials, EarlyView.
Molecular doping redistributes the internal electric field in organic photodetectors, providing a new degree of freedom to spatially control carrier transport and collection. Simulations and experiments reveal distinct transport pathways for injected and photogenerated carriers, enabling low dark current under reverse bias and wavelength‐selective ...
Jingwei Yi   +15 more
wiley   +1 more source

A Thermoreversible Gelation Pathway to Plant Cuticle‐Inspired Biopolymer Aerogel Monoliths Based on Network‐Spherulitic Crystal Assemblies

open access: yesAdvanced Materials, EarlyView.
To address functionality limitations in plant‐based and industrially compostable polymer aerogels, this work introduces bio‐inspired aerogels with broadened functionality. Inspired by functional plant tissues, lightweight biopolymer aerogels based on exclusively stereocomplex crystals are fabricated, featuring hierarchically macro‐/meso‐porous ...
Anthony V. Tuccitto   +10 more
wiley   +1 more source

Receipt and letter from The Brilliant Gas Lamp Co 1911

open access: yes, 1911
Letter and receipt from the Brilliant Gas Lamp ...
The Brilliant Gas Lamp Company
core  

MillerK95/OPM-LAMP-assay-manuscript: Analysis and plotting code for OPM LAMP assay manuscript

open access: yes
<p>Analysis and plotting code for OPM LAMP assay manuscript</p ...
Kyle Miller
core   +1 more source

Tamper‐Responsive Physical Unclonable Functions via Graphene‐Interlayered Block Copolymer Random Structures

open access: yesAdvanced Materials, EarlyView.
Self‐invalidating multilayer physical unclonable functions (PUFs) integrate fingerprint‐like metal nanopattern bilayers from block copolymer templates with highly reactive reduced graphene oxide (rGO) interlayers. This tamper‐responsive architecture blocks all unauthorized physical and chemical replication attempts while autonomously deactivating ...
Gyu Hui Jo   +7 more
wiley   +1 more source

Receipt from The Brilliant Gas Lamp Co 1911

open access: yes, 1911
Receipt from The Brilliant Gas Lamp Company with items and prices ...
The Brilliant Gas Lamp Company
core  

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