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A high-performance organic lithium salt-doped OFET with the optical radical effect for photoelectric pulse synaptic simulation and neuromorphic memory learning.

Materials Horizons
Simulation of synaptic characteristics is essential for the application of organic field effect transistors (OFETs) in neural morphology. Although excellent performance, including bias stability and mobility, as well as photoelectric pulse synaptic ...
Yujiao Li   +6 more
semanticscholar   +1 more source

Exploring effective pedagogies using computer simulations to improve Grade 12 learners’ understanding of the photoelectric effect

African Journal of Research in Mathematics Science and Technology Education, 2018
The study aimed to determine the most effective of three pedagogies to improve Grade 12 learners’ understanding of the photoelectric effect when the teaching was done using chalk and talk, guided learning with computer simulations (CS) as a demonstration
B. Kunnath, J. Kriek
semanticscholar   +1 more source

Two-Photon Photoelectric Effect

Physical Review, 1962
The surface photoelectric current from a pure metal surface is calculated when the frequency of the incident radiation is less than the threshold frequency but greater than one-half the threshold frequency. To do this, second-order stationary perturbation theory is used. The current thus found is normally small.
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Multiphoton Photoelectric Effects

2022
Abstract Multi-photon excitation may produce the photoelectron emission from the surface of a metal sample or induce the conductivity change in a semiconductor sample. In both cases and under appropriate experimental conditions, the photoelectric yield resulting from the m-photon excitation is proportional to the mth power of the ...
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The Surface Photoelectric Effect

Physical Review, 1949
An expression is derived for the photoelectric current produced at the surface of a metal, the conduction electrons being supposed free and the potential barrier of arbitrary shape. The validity of the common assumption that the current arising from conduction electrons of a particular momentum can be expressed as the product of an excitation function ...
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Local photothermal and photoelectric effect synergistically boost hollow CeO2/CoS2 heterostructure electrocatalytic oxygen evolution reaction.

Journal of Colloid and Interface Science, 2022
Lin Tian   +7 more
semanticscholar   +1 more source

Improving sensitivity of self-powered room temperature NO2 sensor by triboelectric-photoelectric coupling effect

Applied Physics Letters, 2019
Nitrogen dioxide sensors with high sensitivity and low energy consumption are demanded for atmosphere sensing networks. Here, a self-powered room temperature NO2 sensor has been developed based on the conjugation between the triboelectric and ...
Yuanjie Su   +8 more
semanticscholar   +1 more source

Photoelectric effects of deoxyribonucleic acid

Biopolymers, 1968
AbstractStudies have been made of the d.c. semiconductive behavior of fibers and solid gels of DNA. The semiconductive behavior under high vacuum is similar in solid gels of DNA and stretched fibers of DNA measured along and across the fiber axis.
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The Photoelectric Effect

1991
We are aware of light (the term “light” is used here to include a wide range of electromagnetic radiations)—or perhaps we postulate with conviction the existence of a physical entity that we chose to call light—because we observe the effects when it interacts with, or is absorbed by, electrons, atoms, and matter.
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The Selective Photoelectric Effect

Proceedings of the Physical Society, 1959
The spectral selective photoelectric effect in alkali metals is considered as a local field phenomenon taking place in a colloidal surface structure. Treating the colloidal particles as spheroids containing a mixture of bound ion core and free valence electrons, an expression is derived for the wavelength for peak photoemission which is compared with ...
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