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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Photonics Russia</journal-id><journal-title-group><journal-title xml:lang="en">Photonics Russia</journal-title><trans-title-group xml:lang="ru"><trans-title>Фотоника</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1993-7296</issn><issn publication-format="electronic">2686-844X</issn><publisher><publisher-name xml:lang="en">Technosphera JSC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">627916</article-id><article-id pub-id-type="doi">10.22184/1993-7296.FRos.2023.17.7.508.514</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Optical Measurements</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Оптические измерения</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Luminescence Nanothermometry by Single Organic Molecules: Manifestation of Electron-Phonon Interaction</article-title><trans-title-group xml:lang="ru"><trans-title>Люминесцентная нанотермометрия с одиночными органическими молекулами: влияние электрон-фононного взаимодействия</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8815-8440</contrib-id><name-alternatives><name xml:lang="en"><surname>Savostianov</surname><given-names>A. O.</given-names></name><name xml:lang="ru"><surname>Савостьянов</surname><given-names>А. О.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Graduate student</p></bio><bio xml:lang="ru"><p>аспирант</p></bio><email>journal@electronics.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2239-5176</contrib-id><name-alternatives><name xml:lang="en"><surname>Eremchev</surname><given-names>I. Yu.</given-names></name><name xml:lang="ru"><surname>Еремчев</surname><given-names>И. Ю.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>journal@electronics.ru</email><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7938-9802</contrib-id><name-alternatives><name xml:lang="en"><surname>Naumov</surname><given-names>A. V.</given-names></name><name xml:lang="ru"><surname>Наумов</surname><given-names>А. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>journal@electronics.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff3"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Lebedev Physical Institute of the Russian Academy of Sciences Troitsk Branch</institution></aff><aff><institution xml:lang="ru">Физический институт им. П. Н. Лебедева РАН, Троицкое обособленное подразделение (ТОП ФИАН)</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Institute of spectroscopy RAS</institution></aff><aff><institution xml:lang="ru">Институт спектроскопии РАН</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Moscow Pedagogical State University (MPGU)</institution></aff><aff><institution xml:lang="ru">Московский педагогический государственный университет (МПГУ)</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2023-10-31" publication-format="electronic"><day>31</day><month>10</month><year>2023</year></pub-date><volume>17</volume><issue>7</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>508</fpage><lpage>514</lpage><history><date date-type="received" iso-8601-date="2024-03-02"><day>02</day><month>03</month><year>2024</year></date><date date-type="accepted" iso-8601-date="2024-03-02"><day>02</day><month>03</month><year>2024</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2023, Savostianov A.O., Eremchev I.Y., Naumov A.V.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2023, Савостьянов А.О., Еремчев И.Ю., Наумов А.В.</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="en">Savostianov A.O., Eremchev I.Y., Naumov A.V.</copyright-holder><copyright-holder xml:lang="ru">Савостьянов А.О., Еремчев И.Ю., Наумов А.В.</copyright-holder></permissions><self-uri xlink:href="https://journals.eco-vector.com/1993-7296/article/view/627916">https://journals.eco-vector.com/1993-7296/article/view/627916</self-uri><abstract xml:lang="en"><p>Luminescent thermometry is a rapidly growing scientific method based on the dependence of the luminescent and spectral characteristics of nano-sized emitters on temperature. The accuracy of this method depends significantly on the theoretical models used to describe the temperature behavior of the spectra. In this paper, we provide a brief overview of our recent results related to new approaches to interpreting the temperature broadening of the spectral lines of single organic molecules in a polymer matrix as a result of electron-phonon interaction. We believe that the approach under consideration can be successfully applied to a variety of promising emitters used in luminescent thermometry.</p></abstract><trans-abstract xml:lang="ru"><p>Люминесцентная термометрия – стремительно развивающийся научный метод, основанный на зависимости люминесцентных и спектральных характеристик наноразмерных излучателей от температуры. Точность данного метода существенным образом зависит от используемых теоретических моделей, описывающих температурное поведение спектров. В настоящей работе мы приводим краткий обзор наших недавних результатов, связанных с новыми подходами к описанию температурного уширения спектральных линий одиночных органических молекул в полимерной матрице как результата электрон-фононного взаимодействия. Мы полагаем, что рассматриваемый подход может быть успешно применен для разнообразных перспективных излучателей, используемых в люминесцентной термометрии.</p></trans-abstract><kwd-group xml:lang="en"><kwd>luminescence</kwd><kwd>thermometry</kwd><kwd>polymers</kwd><kwd>electron-phonon interaction</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>люминесценция</kwd><kwd>термометрия</kwd><kwd>полимеры</kwd><kwd>электрон-фононное взаимодействие</kwd></kwd-group><funding-group><funding-statement xml:lang="en">Authors acknowledge support from Ministry of education of Russia (state task MPGU AAAA-A20-120061890084-9)</funding-statement><funding-statement xml:lang="ru">Работа выполнена в рамках темы ГЗ МПГУ при поддержке Министерства просвещения РФ (AAAA-A20-120061890084-9)</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>G. Kucsko, P. C. Maurer, N. Y. Yao, M. Kubo, H. J. Noh, P. K. Lo, H. Park, and M. D. 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