Results 1 to 10 of about 5,944,358 (312)

Accurate Determination of Camera Quantum Efficiency from a Single Image [PDF]

open access: greenJournal of Imaging
Knowledge of spectral sensitivity is important for high-precision comparison of images taken by different cameras and recognition of objects and interpretation of scenes for which color is an important cue. Direct estimation of quantum efficiency curves (
Yuri Rzhanov
doaj   +4 more sources

Understanding Bridging Sites and Accelerating Quantum Efficiency for Photocatalytic CO2 Reduction. [PDF]

open access: yesNanomicro Lett, 2023
The S-vacancies result in the change of d-band electronic state of Mo. An internal quantum efficiency of 94.01% at 380 nm for photocatalytic CO2 reduction reaction (CO2RR).
Wang K   +10 more
europepmc   +2 more sources

Valence conversion and site reconstruction in near-infrared-emitting chromium-activated garnet for simultaneous enhancement of quantum efficiency and thermal stability. [PDF]

open access: yesLight Sci Appl, 2023
Significant improvement of quantum efficiency and thermal stability of NIR-emitting Ca_3Y_2-2 x (ZnZr)_ x Ge_3O_12:Cr was achieved by chemical unit cosubstitution, benefiting from valence reduction of Cr^4+ to Cr^3+ and reconstructed rigid crystal ...
Liu D   +8 more
europepmc   +2 more sources

Facilely Achieved Self‐Biased Black Silicon Heterojunction Photodiode with Broadband Quantum Efficiency Approaching 100% [PDF]

open access: yesAdvanced Science, 2022
Photodiodes are fundamental components in modern optoelectronics. Heterojunction photodiodes, simply configured by two different contact materials, have been a hot research topic for many years.
Yibo Zhang   +2 more
doaj   +2 more sources

Quantum Efficiency Measurement and Modeling of Silicon Sensors Optimized for Soft X-ray Detection [PDF]

open access: yesSensors
Hybrid pixel detectors have become indispensable at synchrotron and X-ray free-electron laser facilities thanks to their large dynamic range, high frame rate, low noise, and large area.
Maria Carulla   +33 more
doaj   +2 more sources

Carbon dioxide net assimilation exchange in a young pecan nut orchard during the growth cycle [PDF]

open access: yesGlobal Journal of Environmental Science and Management, 2023
BACKGROUND AND OBJECTIVES: Pecan nut trees (Carya illinoensis K), due to their condition as woody and long-living species, in addition to the contribution of nuts for consumption, may also have an essential role in assimilating carbon dioxide and ...
A. Zermeño-Gonzalez   +5 more
doaj   +1 more source

Single-atom Cu anchored catalysts for photocatalytic renewable H2 production with a quantum efficiency of 56%

open access: yesNature Communications, 2022
Single-atom catalysts anchoring offers a desirable pathway for efficiency maximization and cost-saving for photocatalytic hydrogen evolution. However, the single-atoms loading amount is always within 0.5% in most of the reported due to the agglomeration ...
Yumin Zhang   +14 more
semanticscholar   +1 more source

Covalent organic frameworks with high quantum efficiency in sacrificial photocatalytic hydrogen evolution

open access: yesNature Communications, 2022
Organic semiconductors offer a tunable platform for photocatalysis, yet the more difficult exciton dissociation, compared to that in inorganic semiconductors, lowers their photocatalytic activities.
Chunzhi Li   +5 more
semanticscholar   +1 more source

Design and Fabrication of High Performance InGaAs near Infrared Photodetector

open access: yesNanomaterials, 2023
InGaAs photodiodes have a wide range of important applications; for example, NIR imaging, fiber optical communication, and spectroscopy. In this paper, we studied InGaAs photodiodes with different doping concentration absorber layers.
Hezhuang Liu   +5 more
doaj   +1 more source

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