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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">zhps</journal-id><journal-title-group><journal-title xml:lang="ru">Журнал прикладной спектроскопии</journal-title><trans-title-group xml:lang="en"><trans-title>Zhurnal Prikladnoii Spektroskopii</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0514-7506</issn><publisher><publisher-name>B. I. Stepanov Institute of Physics of the National Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">zhps-569</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>Статьи</subject></subj-group></article-categories><title-group><article-title>ВЛИЯНИE ИНТЕНСИВНОСТИ ВОЗБУЖДАЮЩЕГО СВЕТА НА КОНЦЕНТРАЦИОННУЮ ЗАВИСИМОСТЬ ЛЮМИНЕСЦЕНЦИИ ОРГАНИЧЕСКИХ МОЛЕКУЛ В СТЕКЛООБРАЗНЫХ МАТРИЦАХ</article-title><trans-title-group xml:lang="en"><trans-title>INFLUENCE OF THE EXCITATION LIGHT INTENSITY ON THE CONCENTRATION DEPENDENCE OF ORGANIC MOLECULES LUMINESCENCE IN GLASSY MATRICES</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Дерябин</surname><given-names>М. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Deryabin</surname><given-names>M. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>355009, Ставрополь, ул. Пушкина, 1</p></bio><bio xml:lang="en"><p>1 Pushkin Str., Stavropol, 355009</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ерина</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Erina</surname><given-names>M. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>355009, Ставрополь, ул. Пушкина, 1</p></bio><bio xml:lang="en"><p>1 Pushkin Str., Stavropol, 355009</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Жданова</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhdanova</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>355009, Ставрополь, ул. Пушкина, 1</p></bio><bio xml:lang="en"><p>1 Pushkin Str., Stavropol, 355009</p></bio><email xlink:type="simple">zhdanova_n@rambler.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Северо-Кавказский федеральный университет</institution></aff><aff xml:lang="en"><institution>North-Caucasus Federal University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>20</day><month>03</month><year>2020</year></pub-date><volume>86</volume><issue>3</issue><fpage>341</fpage><lpage>346</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Дерябин М.И., Ерина М.В., Жданова Н.В., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Дерябин М.И., Ерина М.В., Жданова Н.В.</copyright-holder><copyright-holder xml:lang="en">Deryabin M.I., Erina M.V., Zhdanova N.V.</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://zhps.ejournal.by/jour/article/view/569">https://zhps.ejournal.by/jour/article/view/569</self-uri><abstract/><trans-abstract xml:lang="en"><p>The population distribution of the molecules on triplet level in a glassy solution of organic compounds at different intensity of the excitation light and several concentrations has been investigated by computer simulation. The dependence of the triplet level population distribution on these quantities was found. It was shown that the effect of the excitation light intensity on the concentration dependence of the luminescence intensity is a consequence of the found relationship between these quantities, when the change of the population of the ground state of molecules as a result of transition of molecules to the triplet state cannot be neglected.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>мощность возбуждения</kwd><kwd>интенсивность люминесценции</kwd><kwd>концентрационная зависимость</kwd><kwd>органические соединения</kwd><kwd>стеклообразные растворы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>excitation power</kwd><kwd>luminescence intensity</kwd><kwd>concentration dependence</kwd><kwd>organic compounds</kwd><kwd>glassy solutions</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">Naoki Ito, Ranko Richert. J. Chem. 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