p-CONJUGATED HEAVY-METAL POLYMERS PARTICULARLY SUITED TO HYDROPONIC APPLICATIONS

A class of organic light-emitting diodes (OLEDs) emit light tailored to the absorption spectra of growing plants. Upon photoexcitation, the OLEDs generate light in both the blue-green and red regions of the visible spectrum. A heavy metal atom present in the p-conjugated polymer chain (such as plati...

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Hauptverfasser: WOJCIK, LEONARD, DRORI, TOMER, DELONG, MATT, VARDENY, ZEEV, VALENTINE
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DRORI, TOMER
DELONG, MATT
VARDENY, ZEEV, VALENTINE
description A class of organic light-emitting diodes (OLEDs) emit light tailored to the absorption spectra of growing plants. Upon photoexcitation, the OLEDs generate light in both the blue-green and red regions of the visible spectrum. A heavy metal atom present in the p-conjugated polymer chain (such as platinum and/or iridium) acts via the spin-orbit coupling mechanism to cause an enhancement of the ratio of fluorescent to phosphorescent emission to be of approximately equal strength. These two emission bands overlap the absorption spectra of common plants grown under hydroponic conditions. L'invention concerne une classe de diodes électroluminescentes organiques (OLED) émettant de la lumière conçue pour les spectres d'absorption de végétaux en pleine croissance. Lors d'une photoexcitation, les OLED de l'invention génèrent de la lumière à la fois dans la zone bleue/vert, et dans la zone rouge du spectre visible. Un atome de métal lourd présent dans la chaîne de polymères p-conjugués (notamment du platine et/ou de l'iridium) agit, par le mécanisme d'accouplement spin/orbite, de sorte à améliorer le rapport d'émission fluorescente par rapport à l'émission phosphorescente de sorte que ces deux émissions présentent des forces pratiquement égales. Ces deux bandes d'émission chevauchent les spectres d'absorption des plantes classiques cultivées dans des conditions hydroponiques.
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subjects BEER
BIOCHEMISTRY
CHEMISTRY
COMPOSITIONS OR TEST PAPERS THEREFOR
CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL ORENZYMOLOGICAL PROCESSES
ELECTRICITY
ENZYMOLOGY
MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEICACIDS OR MICROORGANISMS
METALLURGY
MICROBIOLOGY
MUTATION OR GENETIC ENGINEERING
PROCESSES OF PREPARING SUCH COMPOSITIONS
SPIRITS
VINEGAR
WINE
title p-CONJUGATED HEAVY-METAL POLYMERS PARTICULARLY SUITED TO HYDROPONIC APPLICATIONS
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