Results 51 to 60 of about 39,722 (293)

Photomultiplier tube

open access: yes, 2016
This simulation shows how the photomultiplier worksComponente Curricular::Educação Superior::Ciências Exatas e da Terra ...
Chasteen, Thomas G.
core   +1 more source

Phase‐Pure and Size‐Tunable Tin Halide Perovskite Quantum Dots

open access: yesAdvanced Materials, EarlyView.
A trioctylphosphine oxide modulated protocol allows for the synthesis and study of the optical properties of a broad library of tin halide perovskite quantum dots across multiple A‐ and X‐site compositions with precise size tuning while eliminating unwanted 2D phases.
Ole F. Dressler   +7 more
wiley   +1 more source

Photomultiplier tube

open access: yes, 2011
This simulation shows how the photomultiplier worksComponente Curricular::Educação Superior::Ciências Exatas e da Terra ...
Chasteen, Thomas G.
core   +1 more source

Second‐Harmonic Hyper‐Mie Optical Activity Enables Closed‐Loop Chiral Photochemistry

open access: yesAdvanced Materials, EarlyView.
Nonlinear chiral photochemistry is demonstrated in CdTe/CdO nanohelices, where circularly polarized infrared light both drives and tracks photo‐oxidation via second‐harmonic scattering. This closed‐loop process reveals real‐time structural evolution, including shell fracturing and core exposure, accompanied by a transition from hyper‐Mie to hyper ...
Hoyeon Choi   +6 more
wiley   +1 more source

Multichannel-GaAsP-photomultiplier-based fiber bundle ISM-STED microscope

open access: yes
The usage of a GaAsP (gallium arsenide phosphide) photomultiplier for microscopical imaging allows the evaluation of low-light luminescent objects. We designed a setup for collecting a confocal microscopic image signal, which is divided into 14 equal ...
Simone Fabian (18417489)   +5 more
core   +1 more source

Ultra‐High‐Throughput Discovery of Multifunctional Polyphenolic Coatings on Droplet Microarrays

open access: yesAdvanced Materials, EarlyView.
An ultra‐high‐throughput (UHT) combinatorial strategy enables the miniaturized synthesis and screening of ≈30 000 polyamine‐polyphenolic (PaPp) coatings using droplet microarrays (DMA). This approach reveals hundreds of previously unknown fluorescent, redox‐active, and antibacterial materials, including multifunctional, cell‐compatible surfaces ...
Vania Tanda Widyaya   +11 more
wiley   +1 more source

A high-speed photomultiplier gating circuit for luminescence measurements [PDF]

open access: yes, 1989
A high‐speed, normally on, gating circuit has been developed for linear‐focused photomultipliers such as the EMI 9816. The gate is capable of attenuating photomultiplier response by >5000:1 with a turn‐off and turn‐on time of 60 and 40 ns, respectively ...
Thomas M. Yoshida   +5 more
core   +1 more source

Sensitive and Spatially‐Resolved Electrochemiluminescence via Micropatterning

open access: yesAdvanced Materials Interfaces, EarlyView.
The use of a simple silica nanoparticle surface coating and patterning process can transform ordinary gold electrodes into multiplexed ECL sensing electrodes. Through spatially confined droplet formation and local ECL emission, it is possible to perform multiple analyses simultaneously from individual locations as well as intensify the ECL signal by as
Yuliang Shao   +12 more
wiley   +1 more source

A novel method for the identification of flame front’s position on thermoacoustic coupling combustion oscillations

open access: yesEnergy Science & Engineering, 2021
The flame front area is an important parameter to quantify the heat release rate. However, the limitations imposed by the measuring instruments and the measurement methodologies make it difficult to determine the flame front position in an image.
Lanzhou Gao   +6 more
doaj   +1 more source

Advances in Halide Perovskites for Photon Radiation Detectors

open access: yesAdvanced Materials Technologies, EarlyView.
This work highlights recent progress in perovskite‐based photon radiation detectors, covering organic–inorganic hybrid, inorganic, lead‐free double, and vacancy‐ordered halide perovskites. Their detection performance is compared, material‐specific advantages and challenges are examined, and provides insight into current limitations and future ...
Liangling Wang   +3 more
wiley   +1 more source

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