Results 201 to 210 of about 1,385,269 (252)
Charge Generation and Recombination Pathways in All‐Polymer Bulk Heterojunction Solar Cells
Advanced Functional Materials, EarlyView.Multimodal spectroscopy and device analysis reveal how field‐dependent charge generation, transport limitations, and non‐geminate recombination govern performance losses in all polymer solar cells. The results identify the key processes controlling charge extraction and recombination, providing insights for the design of more efficient all‐polymer ...
Shahidul Alam +17 more
wiley +1 more source
Biomimetic Microfractals Based Flexible Triboelectric Nanogenerators
Advanced Functional Materials, EarlyView.A leaf‐skeleton‐based microfractal architecture is integrated with guided CuNW networks and biomimetic triboelectric polymer layers, enabling breathable, flexible, and material‐efficient triboelectric nanogenerators. The resulting system combines enhanced charge generation and charge transport, offering potential for next‐generation self‐powered ...
Amit Barua +7 more
wiley +1 more source
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2023
Abstract This chapter reconstructs a hexaemeral theory of light from a combined reading of the sources. Through the causal interlink of fire and light, hexaemeral light is theorized as the purest kind of fire. The chapter explores the language and physical properties of fire that explain luminosity: the light ray, its liminal ...
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Abstract This chapter reconstructs a hexaemeral theory of light from a combined reading of the sources. Through the causal interlink of fire and light, hexaemeral light is theorized as the purest kind of fire. The chapter explores the language and physical properties of fire that explain luminosity: the light ray, its liminal ...
openaire +2 more sources
Nature, 1936
ON Maxwell's theory, lines of electric force which are not anchored to charged particles travel at right angles to themselves with the velocity of light. A circular line of force travelling at right angles to its plane would fulfil this condition and would travel unchanged without loss of energy; it would thus possess one of the properties of the ...
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ON Maxwell's theory, lines of electric force which are not anchored to charged particles travel at right angles to themselves with the velocity of light. A circular line of force travelling at right angles to its plane would fulfil this condition and would travel unchanged without loss of energy; it would thus possess one of the properties of the ...
openaire +1 more source
Computer Graphics Forum, 1990
AbstractSimulating natural light is an interesting subject in computer graphics. Using the principles of meteorology, we build a sphere cap light source model. Unlike existing illumination or light source models, we consider the effects of both the ratio of direct light to diffuse light and the position of the sun under different weather conditions. We
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AbstractSimulating natural light is an interesting subject in computer graphics. Using the principles of meteorology, we build a sphere cap light source model. Unlike existing illumination or light source models, we consider the effects of both the ratio of direct light to diffuse light and the position of the sun under different weather conditions. We
openaire +1 more source
A new light on the nature of light
Physics Essays, 2012The Quantum Theory and Special Relativity stand apart because their authors were admittedly unclear about Wave-quantum Unity of light and light propagating medium. A single experiment shows wave-quantum unity for low intensity light and moving electrons.
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2019
What is light, that wonderful swift carrier of information without which we cannot investigate the depths of the universe nor the secrets of the microworld? For Newton, light was made of particles while Huygens regarded light as waves in a hypothetical medium, the ether.
Pekka Teerikorpi +5 more
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What is light, that wonderful swift carrier of information without which we cannot investigate the depths of the universe nor the secrets of the microworld? For Newton, light was made of particles while Huygens regarded light as waves in a hypothetical medium, the ether.
Pekka Teerikorpi +5 more
openaire +1 more source
2020
The question ‘is light a ray, a wave or a particle?’ has long fascinated philosophers and has intensified since the concept of the photon first emerged at the beginning of the twentieth century. The pragmatic answer to the question is ‘it depends what you are looking for’ and is really about how best to conceptualise light in particular circumstances ...
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The question ‘is light a ray, a wave or a particle?’ has long fascinated philosophers and has intensified since the concept of the photon first emerged at the beginning of the twentieth century. The pragmatic answer to the question is ‘it depends what you are looking for’ and is really about how best to conceptualise light in particular circumstances ...
openaire +2 more sources
2009
This chapter contains sections titled: Introduction Increasing the Transportable Bandwidth of a Fiber What is DWDM? What is OFDM? Opaque versus Transparent WDM Systems DWDM Devices Fundamentals of Light Photometric Terms: Flux, Illuminance, and Luminance This chapter contains sections titled ...
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This chapter contains sections titled: Introduction Increasing the Transportable Bandwidth of a Fiber What is DWDM? What is OFDM? Opaque versus Transparent WDM Systems DWDM Devices Fundamentals of Light Photometric Terms: Flux, Illuminance, and Luminance This chapter contains sections titled ...
openaire +1 more source