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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">ntv</journal-id><journal-title-group><journal-title xml:lang="ru">Научно-технический вестник информационных технологий, механики и оптики</journal-title><trans-title-group xml:lang="en"><trans-title>Scientific and Technical Journal of Information Technologies, Mechanics and Optics</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2226-1494</issn><issn pub-type="epub">2500-0373</issn><publisher><publisher-name>Университет ИТМО</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17586/2226-1494-2023-23-5-920-926</article-id><article-id custom-type="elpub" pub-id-type="custom">ntv-121</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>НОВЫЕ МАТЕРИАЛЫ И НАНОТЕХНОЛОГИИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MATERIAL SCIENCE AND NANOTECHNOLOGIES</subject></subj-group></article-categories><title-group><article-title>Спектральные и кинетические характеристики свернутых в виде свитков ультратонких нанопластин селенида кадмия</article-title><trans-title-group xml:lang="en"><trans-title>Spectral and kinetic characteristics of ultrathin cadmium selenide nanoscrolls</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1944-1546</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Дайбаге</surname><given-names>Д. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Daibagya</surname><given-names>D. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Дайбаге Даниил Саюзович — младший научный сотрудник; ассистент </p><p>sc 57673090900 </p><p>Москва, 119991; Москва, 107023; Москва, 105005 </p></bio><bio xml:lang="en"><p>Daniil S. Daibagya — Junior Researcher; Assistant </p><p>sc 57673090900 </p><p>Moscow, 119991; Moscow, 107023; Moscow, 105005 </p></bio><email xlink:type="simple">daibagya@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Физический институт им. П.Н. Лебедева РАН ; Московский политехнический университет ; Московский государственный технический университет им. Н.Э. Баумана</institution><country>Россия</country></aff><aff xml:lang="en"><institution>P.N. Lebedev Physical Institute of the Russian Academy of Sciences ; Moscow Polytechnic University ; Bauman Moscow State Technical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>13</day><month>12</month><year>2024</year></pub-date><volume>23</volume><issue>5</issue><fpage>920</fpage><lpage>926</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Дайбаге Д.С., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Дайбаге Д.С.</copyright-holder><copyright-holder xml:lang="en">Daibagya D.S.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://ntv.elpub.ru/jour/article/view/121">https://ntv.elpub.ru/jour/article/view/121</self-uri><abstract><p>Введение. Исследованы при комнатной температуре оптические и люминесцентные свойства ультратонких коллоидных полупроводниковых нанопластин селенида кадмия, свернутых в виде свитков толщиной 2,5 монослоя. Метод. Для коллоидного синтеза объектов исследования применен ацетат кадмия дигидрат Cd(CH3COO)2·2H2O и триоктилфосфинселенид в качестве прекурсоров кадмия и селена соответственно, а также использованы растворы олеиновой кислоты и октадецена. Регистрация сигнала люминесценции скрученных наноструктур проведена с помощью волоконного ПЗС-спектрометра. Кривые затухания фотолюминесценции нанокристаллов получены методом время-коррелированного счета одиночных фотонов в максимуме интенсивности люминесценции. Основные результаты. Обнаружено, что люминесценция исследуемых образцов характеризуется как межзонными переходами, так и переходами с участием дефектных уровней. Установлено, что нормированное число фотонов, регистрируемых при исследовании затухания рекомбинационной люминесценции, в 45 раз превышает аналогичное значение для экситонной люминесценции при идентичных условиях эксперимента. Определены доминирующая длина волны люминесценции, цветовые координаты, чистота цвета и коррелированная цветовая температура коллоидных полупроводниковых ультратонких нанопластин селенида кадмия, свернутых в виде свитков. Выполнено сравнение полученных результатов с аналогичными колориметрическими характеристиками для более толстых коллоидных полупроводниковых наноструктур селенида кадмия из известных научных работ. Обсуждение. Наблюдаемые эффекты свидетельствуют о том, что использование ультратонких свернутых нанокристаллов селенида кадмия является перспективным для создания светодиодов на их основе.</p></abstract><trans-abstract xml:lang="en"><p>We have studied the optical and luminescence properties at room temperature of ultrathin colloidal semiconductor cadmium selenide nanoscrolls with a thickness of 2.5 monolayers. For colloidal synthesis of the objects under study, cadmium acetate dihydrate Cd(CH3COO)2·2H2O and trioctylphosphine selenide were used as precursors of cadmium and selenium, respectively, and solutions of oleic acid and octadecene were also used. Luminescence spectrum of cadmium selenide nanoscrolls was recorded using a fiber charge coupled device spectrometer. Spectrally resolved photoluminescence decays for nanoparticles were measured with the use of time-correlated single photon counting technique. The emission of the cadmium selenide nanoscrolls consists of interband and recombination luminescence bands. We found that the normalized photon numbers of recombination luminescence are larger than the normalized photon numbers of interband luminescence. We determined dominant wavelengths, chromaticity coordinates, and correlated color temperatures of ultrathin colloidal semiconductor cadmium selenide nanoscrolls. These ultrathin cadmium selenide nanoscrolls are promising for application in light-emitting diodes.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>фотолюминесценция</kwd><kwd>наночастицы</kwd><kwd>наносвитки</kwd><kwd>селенид кадмия</kwd><kwd>цветовые координаты</kwd><kwd>чистота цвета</kwd><kwd>цветовая температура</kwd></kwd-group><kwd-group xml:lang="en"><kwd>photoluminescence</kwd><kwd>nanoparticles</kwd><kwd>nanoscrolls</kwd><kwd>cadmium selenide</kwd><kwd>chromaticity coordinates</kwd><kwd>color purity</kwd><kwd>correlated color temperature</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Kushavah D., Mohapatra P.K., Ghosh P., Singh M., Vasa P., Bahadur D., Singh B.P. Photoluminescence characteristics of CdSe quantum dots: role of exciton–phonon coupling and defect/trap states // Materials Research Express. 2017. V. 4. N 7. 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