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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-408</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>КРАТКИЕ СООБЩЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BRIEF COMMUNICATIONS</subject></subj-group></article-categories><title-group><article-title>ЛЮМИНЕСЦЕНТНЫЕ СВОЙСТВА КОМПЛЕКСНЫХ СОЕДИНЕНИЙ ЕВРОПИЯ(III), ГАДОЛИНИЯ(III) И ТЕРБИЯ(III) С АЛКИЛОКСИБЕНЗОЙНЫМИ КИСЛОТАМИ</article-title><trans-title-group xml:lang="en"><trans-title>LUMINESCENT PROPERTIES OF COMPLEX COMPOUNDS OF EUROPEUM(III), GADOLI-NIUM(III), AND TERBIUM(III) WITH ALKYLOXYBENZOIC ACIDS</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>Колоколов</surname><given-names>Ф. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kolokolov</surname><given-names>F. A.</given-names></name></name-alternatives><email xlink:type="simple">kolokolov@chem.kubsu.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Магомадова</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Magomadova</surname><given-names>M. A.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шапиева</surname><given-names>Х. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Shapieva</surname><given-names>Kh. K.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Панюшкин</surname><given-names>В. Т.</given-names></name><name name-style="western" xml:lang="en"><surname>Panyushkin</surname><given-names>V. T.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Кубанский государственный университет</institution></aff><aff xml:lang="en"><institution>Kuban State University</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Чеченский государственный университет</institution></aff><aff xml:lang="en"><institution>Chechen State University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>10</day><month>03</month><year>2020</year></pub-date><volume>86</volume><issue>2</issue><fpage>311</fpage><lpage>315</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Колоколов Ф.А., Магомадова М.А., Шапиева Х.К., Панюшкин В.Т., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Колоколов Ф.А., Магомадова М.А., Шапиева Х.К., Панюшкин В.Т.</copyright-holder><copyright-holder xml:lang="en">Kolokolov F.A., Magomadova M.A., Shapieva K.K., Panyushkin V.T.</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/408">https://zhps.ejournal.by/jour/article/view/408</self-uri><abstract><p>Изучены люминесцентные свойства комплексных соединений европия(III), гадолиния(III) и тербия(III) с 4-додецил- и 4-октадецилоксибензойными кислотами. По данным спектров фосфоресценции комплексов Gd(III), измеренных при 77 К, определены энергии возбужденных триплетных состояний анионов используемых кислот (Т1) и на основании механизма люминесценции установлено, что внутримолекулярный перенос энергии с органического лиганда на ион лантаноида эффективен для комплексов Eu(III). Для повышения интенсивности люминесценции комплексных соединений Tb(III) получены соединения состава LnL3Phen, где Phen - 1,10-фенантролин, и на основании экспериментальных спектров показано увеличение интегральной интенсивности люминесценции иона Tb3+ по сравнению с TbL3. </p></abstract><trans-abstract xml:lang="en"><p>The luminescent properties of complex compounds of europium(III), gadolinium(III), and terbium(III) with dodecyl-, 4-octadecyloxybenzoic acids have been studied. According to the phosphorescence spectra of the gadolinium(III) complexes measured at 77 K, the energies of the excited triplet states of the anions of the used acids (T1) were determined. Based on the luminescence mechanism, it was established that intramolecular energy transfer from the organic ligand to the lanthanide ion is effective for the europium(III) complexes. To increase the luminescence intensity of the terbium(III) complex compounds, compounds of the composition LnL3Phen were obtained, where Phen is 1,10-phenanthroline. Using experimental spectra, an increase in the integrated luminescence intensity of the Tb3+ ion compared to TbL3 was shown.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>люминесценция</kwd><kwd>энергия возбужденного триплетного уровня</kwd><kwd>алкилоксибензойная кислота</kwd><kwd>лантаноиды</kwd><kwd>luminescence</kwd><kwd>energy of the excited triplet level</kwd><kwd>alkyloxybenzoic acid</kwd><kwd>lanthanide</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">J.-C. G. Bünzli. Coord. Chem. Rev., 293-294 (2015) 19-47</mixed-citation><mixed-citation xml:lang="en">J.-C. G. Bünzli. Coord. Chem. Rev., 293-294 (2015) 19-47</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">G. F. de Sa, O. L. Malta, С de Mello Donega, A. M. Simas, R. L. Longo, P. A. Santa-Cruz, E. F. da Silva. Coord. Chem. 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