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dc.contributor.authorRadziuk, D. V.-
dc.contributor.authorMikhnavets, L. A.-
dc.contributor.authorTkach, A. N.-
dc.contributor.authorTabulina, L. V.-
dc.contributor.authorLabunov, V. A.-
dc.date.accessioned2019-09-26T08:15:26Z-
dc.date.available2019-09-26T08:15:26Z-
dc.date.issued2018-
dc.identifier.citationSonochemically Assembled Photoluminescent Copper Modified Graphene Oxide Microspheres / Darya Radziuk, Lubov Mikhnavets, Anastasia Tkach, Ludmila Tabulina, Vladimir Labunov // Langmuir. – 2018. – Vol. 34. – Issue 29. – P. 8599–8610. – DOI: 10.1021/acs.langmuir.8b01557.ru_RU
dc.identifier.urihttps://libeldoc.bsuir.by/handle/123456789/36456-
dc.description.abstractNew accessible sonochemical assembly method is developed for the preparation of photoluminescent oil-filled silica@CuS/Cu2O/CuO-GO microspheres with green, yellow and red colors of emitted light. This method is based on the ultrasonic emulsification of a biphasic mixture consisting of CuS/Cu2O/CuO-graphene oxide (GO) nanocomposites with polyvinyl alcohol (PVA) (aqueous phase) and tetraethyl orthosilicate with sunflower oil (organic phase). CuS/Cu2O/CuO-GO nanocomposites are composed of sonochemically formed three phases of copper: covellite CuS (p-type semiconductor), cuprite Cu2O (Bloch p-type semiconductor) and CuO (charge transfer insulator). The photoluminescence property of microspheres results from the H-bridging between PVA and CuS/Cu2O/CuO-GO nanostructures, light absorption ability of Cu2O and charge transfer insulation by CuO. Substitution of PVA by S-containing methylene blue quenches fluorescence by enhanced dye adsorption on CuS/Cu2O/CuO-GO because of CuS and induced charge transfer. Non-S-containing malachite green is in non-ionized form and tends to be in the oil phase, prohibiting the charge transfer on CuS/Cu2O/CuO-GO.ru_RU
dc.language.isoenru_RU
dc.publisherAmerican Chemical Societyru_RU
dc.subjectпубликации ученыхru_RU
dc.subjectsonochemistryru_RU
dc.subjectassemblyru_RU
dc.subjectgraphene oxideru_RU
dc.subjectphotoluminescenceru_RU
dc.subjectsilicaru_RU
dc.subjectencapsulationru_RU
dc.subjectdyeru_RU
dc.subjectcharge transferru_RU
dc.subjectpolyvinyl alcoholru_RU
dc.titleSonochemically Assembled Photoluminescent Copper Modified Graphene Oxide Microspheresru_RU
dc.typeСтатьяru_RU
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