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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-785</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>МОРФОЛОГИЧЕСКИ НАПРАВЛЕННЫЙ НАНОСКОПИЧЕСКИЙ ПЕРЕНОС ЭНЕРГИИ В ПЛАЗМОННО-ОРГАНИЧЕСКИХ ГИБРИДАХ</article-title><trans-title-group xml:lang="en"><trans-title>MORPHOLOGY-DIRECTED NANOSCOPIC ENERGY TRANSFERS IN PLASMONIC-ORGANIC HYBRIDS</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>Gambhir</surname><given-names>K.</given-names></name><name name-style="western" xml:lang="en"><surname>Gambhir</surname><given-names>K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нью-Дели 110012</p></bio><bio xml:lang="en"><p>New Delhi-110012</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>Sharma</surname><given-names>P.</given-names></name><name name-style="western" xml:lang="en"><surname>Sharma</surname><given-names>P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нью-Дели 110012</p></bio><bio xml:lang="en"><p>New Delhi-110012</p></bio><email xlink:type="simple">sharmap2@nplindia.org</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>Mehrotra</surname><given-names>R.</given-names></name><name name-style="western" xml:lang="en"><surname>Mehrotra</surname><given-names>R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нью-Дели 110012</p></bio><bio xml:lang="en"><p>New Delhi-110012</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Академия научных и инновационных исследований (AcSIR) Национальной физической лаборатории CSIR;&#13;
Отдел физико-механической метрологии Национальной физической лаборатории CSIR</institution></aff><aff xml:lang="en"><institution>Academy of Scientific &amp; Innovative Research (AcSIR) at CSIR-National Physical Laboratory campus;&#13;
Physico Mechanical Metrology Division, CSIR-National Physical Laboratory, Dr. K.S. Krishnan Marg</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>29</day><month>01</month><year>2021</year></pub-date><volume>88</volume><issue>1</issue><elocation-id>171(1)-171(12)</elocation-id><permissions><copyright-statement>Copyright &amp;#x00A9; Gambhir K., Sharma P., Mehrotra R., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Gambhir K., Sharma P., Mehrotra R.</copyright-holder><copyright-holder xml:lang="en">Gambhir K., Sharma P., Mehrotra R.</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/785">https://zhps.ejournal.by/jour/article/view/785</self-uri><abstract><p>Реализован морфологически направляемый перенос энергии в наномасштабе между излучающим красителем эозином желтым и тремя различными наноформами золота — наносферами, наночастицами и наноцветами. Для подтверждения взаимодействия между связанными гибридными формами используется КР-спектроскопия. Установлено, что плазмонные структуры с острыми краями создают сильное локализованное электромагнитное поле, которое существенно подавляет фоновые сигналы флуоресценции аналита. Взаимосвязь между тушением флуоресценции красителя и геометрическими характеристиками наночастиц золота используется для понимания влияния передачи энергии на их усиленную нелинейность третьего порядка. Экспериментальные данные показывают взаимосвязь между эффективностью передачи энергии и увеличением нелинейно-оптических коэффициентов.</p></abstract><trans-abstract xml:lang="en"><p>We have experimentally realized a morphology-directed nanoscale energy transfer between an emitter, Eosin yellow dye, and three distinct gold nanoshapes, namely, nanospheres, nanopebbles, and nanoflowers. Raman spectroscopy is employed to ensure mutual interaction among the couple hybrids. The results explicitly show that plasmonic structures with sharp edges produce a strong localized electromagnetic field, which substantially suppresses the background fluorescence signals of the analyte. Further, the relationship between the observed quenching of the dye fluorescence and the geometrical factors of the gold nanoshapes is used to comprehend the influence of energy transfers on their enhanced third-order nonlinearity. The experimental findings reveal a relationship between the efficiency of energy transfers and the enhancement of the observed nonlinear optical coefficients. This study may act as the basis for designing active photonic nanocomposites based on their efficient energy transfer interactions.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>наночастицы золотa</kwd><kwd>флуорофор</kwd><kwd>наноскопический перенос энергии</kwd><kwd>поверхностно-усиленное комбинационное рассеяние</kwd></kwd-group><kwd-group xml:lang="en"><kwd>gold nanostructures</kwd><kwd>fluorophores</kwd><kwd>nanoscopic energy transfer mechanisms</kwd><kwd>surface enhanced Raman scattering</kwd></kwd-group><funding-group><funding-statement xml:lang="en">The authors are thankful to the Director and the Divisional Review Committee, CSIR-National Physical Laboratory, New Delhi-110012, for granting permission to publish this work. 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