Unlimit quantities Environmental friendliness . Heavy metals are harmful to living organisms. But some of the synthetic blocks us to assemble the final organic emitter molecules can be isolat from natural raw materials. Resource intensity. Physical and chemical evaporation-spraying methods are us. And for organic compounds – solution methods. That is, after evaporation of the solvent from the solution with the emitter, the resulting layer is immiately ready for use. It is technologically simpler, faster and cheaper. Physical flexibility . The silicon wafer breaks easily when you try to bend it.
To deposit silicon on the diode substrate
A sensor made of organic molecules in the form of a thin Romania Phone Number List film easily takes the form of a substrate (for example, a finger). How Ls light up Novosibirsk scientists explain such an efficient extraction of light in organic semiconductors in response to an external action (current transmission) by the phenomenon of thermally activat delay fluorescence (TADF). Fight for electrons If we imagine that electrons in atoms are a kind of currency, then there are “rich” (electron-donor) and “poor” (electron-acceptor) atoms. Scientists artificially construct a molecule in which the “rich” and “poor” parts are separat and maximally isolat from each other.
When the electron is in the hole
When a molecule has such a structure, under the influence BT Lists of electricity or light, the “flame of revolution” flares up – a struggle for electrons arises between “rich” and “poor” atoms. It leads to the appearance of an exciton – an excitation state of the acceptor. Accompanying this struggle are flashes of light (the result of the decay of singlet excitons) and heat (the result of the decay of triplet excitons) it is necessary to turn triplet excitons, which make up 75% of all emerging excitons, into singlet ones, Konstantin Ivanov, 2nd year postgraduate student, Faculty of Natural Sciences, Novosibirsk State University: “The energy difference between a singlet and a triplet state.
