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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-1395</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>ЛЮМИНЕСЦЕНЦИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>LUMINESCENCE</subject></subj-group></article-categories><title-group><article-title>Чисто электронный переход в спектре электролюминесценции</article-title><trans-title-group xml:lang="en"><trans-title>Pure Electronic Transition in the Electroluminescence Spectrum</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>Толкачёв</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Tolkachev</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><email xlink:type="simple">tolkachev@ifanbel.bas-net.by</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт физики НАН Беларуси</institution></aff><aff xml:lang="en"><institution>B.I. Stepanov Institute of Physics of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>23</day><month>11</month><year>2023</year></pub-date><volume>90</volume><issue>5</issue><fpage>671</fpage><lpage>675</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Толкачёв В.А., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Толкачёв В.А.</copyright-holder><copyright-holder xml:lang="en">Tolkachev V.A.</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/1395">https://zhps.ejournal.by/jour/article/view/1395</self-uri><abstract><p>Несмотря на сложный механизм возбуждения электролюминесценции, частоту чисто электронного перехода можно определять из ее спектра, если ансамбль испускающих хромофоров однороден и стартовые в испускании хромофоры находятся в термическом равновесии с окружающей средой. Неоднородность ансамбля электролюминесцентных хромофоров проявляется степенью неопределенности определяемого положения чисто электронного перехода и может быть индикатором однородности материала.</p></abstract><trans-abstract xml:lang="en"><p>In spite of the complicated mechanism of the electroluminescence excitation, the value of the pure electronic transition can be determined from its spectrum if the emitting chromophores ensemble is homogeneous and the starting chromophores in emission are in thermal equilibrium with the environment. The inhomogeneity of the ensemble of electroluminescent chromophores is manifested by the degree of uncertainty of the determined position of the pure electronic transition and can be an indicator of the homogeneity of the material.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>электролюминесценция</kwd><kwd>электрохемилюминесценция</kwd><kwd>чисто электронный переход</kwd><kwd>запрещенная зона</kwd><kwd>однородность электролюминесцентного материала</kwd></kwd-group><kwd-group xml:lang="en"><kwd>electroluminescence</kwd><kwd>electrochemiluminescence</kwd><kwd>pure electronic transition</kwd><kwd>band gap</kwd><kwd>homogeneity of the electroluminescent material</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">В. А. Толкачев. Журн. прикл. спектр., 89, № 1 (2022) 43—50 [V. A. Tolkachev. J. Appl. Spectr., 89 (2022) 35—42]</mixed-citation><mixed-citation xml:lang="en">В. 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