Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun chemistry The formation of an
excited state by theabsorption of aphoton
Etymologies
Sorry, no etymologies found.
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Examples
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Sony and the Max-Planck-Institute in Germany created some of the first transparent displays that rendered moving images, and they did it through the chemical process of photoexcitation.
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"Quantum dots - tiny crystals of semiconductor materials that fluoresce, or emit light, in response to photoexcitation - have enormous potential for use in a wide range of fields from solar energy conversion to computing and medicine," said Mircea Cotlet, a physical chemist at Brookhaven's
PhysOrg.com - latest science and technology news stories 2010
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Current research involves the study of iron molecular complexes, such as iron bipyridine, that after photoexcitation turn from nonmagnetic to magnetic.
PhysOrg.com - latest science and technology news stories 2010
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Metallic materials are known to affect the optical properties of quantum dots, either by enhancing or inhibiting photoluminescence, depending on a range of factors including the size and shape of the materials, the distance between them, and the wavelength of light used to induce photoexcitation.
PhysOrg.com - latest science and technology news stories 2010
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Current research involves the study of iron molecular complexes, such as iron bipyridine, that after photoexcitation turn from nonmagnetic to magnetic.
PhysOrg.com - latest science and technology news stories 2010
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Metallic materials are known to affect the optical properties of quantum dots, either by enhancing or inhibiting photoluminescence, depending on a range of factors including the size and shape of the materials, the distance between them, and the wavelength of light used to induce photoexcitation.
PhysOrg.com - latest science and technology news stories 2010
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Metallic materials are known to affect the optical properties of quantum dots, either by enhancing or inhibiting photoluminescence, depending on a range of factors including the size and shape of the materials, the distance between them, and the wavelength of light used to induce photoexcitation.
PhysOrg.com - latest science and technology news stories 2010
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"Quantum dots - tiny crystals of semiconductor materials that fluoresce, or emit light, in response to photoexcitation - have enormous potential for use in a wide range of fields from solar energy conversion to computing and medicine," said Mircea Cotlet, a physical chemist at Brookhaven's
PhysOrg.com - latest science and technology news stories 2010
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"Quantum dots - tiny crystals of semiconductor materials that fluoresce, or emit light, in response to photoexcitation - have enormous potential for use in a wide range of fields from solar energy conversion to computing and medicine," said Mircea Cotlet, a physical chemist at Brookhaven's
PhysOrg.com - latest science and technology news stories 2010
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However, virtually all living organisms emit extremely weak light, spontaneously without external photoexcitation.
Medgadget 2009
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