<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE article PUBLIC "-//NLM//DTD JATS (Z39.96) Journal Publishing DTD v1.3 20210610//EN" "JATS-journalpublishing1-3.dtd">
<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-1469</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>Сенсибилизированная матрицей TiO2 люминесценция ионов Sm3+</article-title><trans-title-group xml:lang="en"><trans-title>Luminescence of Sm3+ Ions Sensitized by the TiО2 Matrix</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>Бакланова</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Baklanova</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Екатеринбург</p></bio><bio xml:lang="en"><p>Ekaterinburg</p></bio><email xlink:type="simple">baklanova_i@ihim.uran.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>Красильников</surname><given-names>В. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Krasil’nikov</surname><given-names>V. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Екатеринбург</p></bio><bio xml:lang="en"><p>Ekaterinburg</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>Тютюнник</surname><given-names>А. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Tyutyunnik</surname><given-names>A. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Екатеринбург</p></bio><bio xml:lang="en"><p>Ekaterinburg</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>Бакланова</surname><given-names>Я. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Baklanova</surname><given-names>Ya. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Екатеринбург</p></bio><bio xml:lang="en"><p>Ekaterinburg</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт химии твердого тела УрО РАН</institution></aff><aff xml:lang="en"><institution>Institute of Solid State Chemistry, Ural Branch of the Russian Academy of Sciences</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>09</day><month>02</month><year>2024</year></pub-date><volume>91</volume><issue>1</issue><fpage>15</fpage><lpage>21</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Бакланова И.В., Красильников В.Н., Тютюнник А.П., Бакланова Я.В., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Бакланова И.В., Красильников В.Н., Тютюнник А.П., Бакланова Я.В.</copyright-holder><copyright-holder xml:lang="en">Baklanova I.V., Krasil’nikov V.N., Tyutyunnik A.P., Baklanova Y.P.</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/1469">https://zhps.ejournal.by/jour/article/view/1469</self-uri><abstract><p>Твердые растворы Ti1–xSmxO2–x/2 (х = 0.025, 0.05 и 0.1) со структурой анатаза синтезированы прекурсорным способом и охарактеризованы с помощью рентгеновской дифракции и сканирующей электронной микроскопии. В качестве прекурсора использован гликолят титана Ti(OCH2CH2O)2, в котором Ti частично замещен на Sm. При комнатной температуре при возбуждении длиной волны 350 нм твердые растворы Ti1–xSmxO2–x/2 демонстрируют интенсивную красновато-оранжевую эмиссию. Люминесцентные свойства соединений определены на основе f 5 -внутриконфигурационных переходов самария. Наибольшая интенсивность излучения достигнута для Ti1–xSmxO2–x/2 с х = 0.05. Полученные координаты цветности и коррелированная цветовая температура близки к показателям, типичным для красных люминофоров.</p></abstract><trans-abstract xml:lang="en"><p>Ti1–xSmxO2–x/2 (x = 0.025, 0.05, and 0.1) solid solutions with anatase structure were synthesized by the precursor method and characterized by X-ray diffraction and scanning electron microscopy. Titanium glycolate Ti(OCH2CH2O)2, in which Ti was partially replaced by Sm, was used as a precursor. At room temperature upon 350 nm excitation, solid solutions Ti1–xSmxO2–x/2 exhibit intense reddish-orange luminescence. The luminescence properties of compounds were studied based on the f5 -intraconfigurational transitions of samarium. For Ti1–xSmxO2–x/2, the highest luminescence intensity is achieved at x = 0.05. The chromaticity coordinates and the correlated color temperature values are close to those that are typical for red phosphors.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>диоксид титана</kwd><kwd>самарий</kwd><kwd>люминесценция</kwd><kwd>время жизни</kwd><kwd>цветовые координаты</kwd></kwd-group><kwd-group xml:lang="en"><kwd>titanium dioxide</kwd><kwd>samarium</kwd><kwd>luminescence</kwd><kwd>lifetime</kwd><kwd>color coordinates</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в соответствии с государственным заданием Института химии твердого тела УрО РАН и планами НИР в сфере фундаментальных научных исследований (№ AAAA-A19- 119031890025-9). Спектр поглощения записан на оборудовании, расположенном в ЦКП “Спектроскопия и анализ органических соединений” Института органического синтеза им. И. Я. Постовского УрО РАН.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">A. Zaleska. Recent Patents Eng., 2 (2008) 157-164</mixed-citation><mixed-citation xml:lang="en">A. Zaleska. Recent Patents Eng., 2 (2008) 157-164</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">L. Sang, Y. Zhao, C. Burda. Chem. Rev., 114 (2014) 9283</mixed-citation><mixed-citation xml:lang="en">L. Sang, Y. Zhao, C. Burda. Chem. Rev., 114 (2014) 9283</mixed-citation></citation-alternatives></ref><ref id="cit3"><label>3</label><citation-alternatives><mixed-citation xml:lang="ru">I. V. Baklanova, V. N. Krasil’nikov, V. P. Zhukov, O. I. Gyrdasova, L. A. Perelyaeva, L. Yu. Buldakova, M. Yu. Yanchenko, I. R. Shein. Russ. J. Inorg. Chem., 59 (2014) 29-33</mixed-citation><mixed-citation xml:lang="en">I. V. Baklanova, V. N. Krasil’nikov, V. P. Zhukov, O. I. Gyrdasova, L. A. Perelyaeva, L. Yu. Buldakova, M. Yu. Yanchenko, I. R. Shein. Russ. J. Inorg. Chem., 59 (2014) 29-33</mixed-citation></citation-alternatives></ref><ref id="cit4"><label>4</label><citation-alternatives><mixed-citation xml:lang="ru">I. V. Baklanova, V. N. Krasilnikov, L. A. Perelyaeva, O. I. Gyrdasova, L. Yu. Buldakova. Nanotech. Russ., 9 (2014) 502-510</mixed-citation><mixed-citation xml:lang="en">I. V. Baklanova, V. N. Krasilnikov, L. A. Perelyaeva, O. I. Gyrdasova, L. Yu. Buldakova. Nanotech. Russ., 9 (2014) 502-510</mixed-citation></citation-alternatives></ref><ref id="cit5"><label>5</label><citation-alternatives><mixed-citation xml:lang="ru">I. V. Baklanova, V. N. Krasil’nikov, O. I. Gyrdasova, L. Yu. Buldakova, L. A. Perelyaeva, V. G. Bamburov. Dokl. Phys. Chem., 457 (2014) 112-115</mixed-citation><mixed-citation xml:lang="en">I. V. Baklanova, V. N. Krasil’nikov, O. I. Gyrdasova, L. Yu. Buldakova, L. A. Perelyaeva, V. G. Bamburov. Dokl. Phys. Chem., 457 (2014) 112-115</mixed-citation></citation-alternatives></ref><ref id="cit6"><label>6</label><citation-alternatives><mixed-citation xml:lang="ru">I. V. Baklanova, V. N. Krasil’nikov, V. P. Zhukov, O. I. Gyrdasova, M. V. Kuznetsov, L. Yu. Buldakova, M. Yu. Yanchenko. J. Photochem. Photobiol. A, 314 (2016) 6-13</mixed-citation><mixed-citation xml:lang="en">I. V. Baklanova, V. N. Krasil’nikov, V. P. Zhukov, O. I. Gyrdasova, M. V. Kuznetsov, L. Yu. Buldakova, M. Yu. Yanchenko. J. Photochem. Photobiol. A, 314 (2016) 6-13</mixed-citation></citation-alternatives></ref><ref id="cit7"><label>7</label><citation-alternatives><mixed-citation xml:lang="ru">I. V. Baklanova, V. N. Krasil’nikov, O. I. Gyrdasova, L. Yu. Buldakova. Mendeleev Commun., 26 (2016) 335-337</mixed-citation><mixed-citation xml:lang="en">I. V. Baklanova, V. N. Krasil’nikov, O. I. Gyrdasova, L. Yu. Buldakova. Mendeleev Commun., 26 (2016) 335-337</mixed-citation></citation-alternatives></ref><ref id="cit8"><label>8</label><citation-alternatives><mixed-citation xml:lang="ru">I. V. Baklanova, V. P. Zhukov, V. N. Krasil’nikov, O. I. Gyrdasova, L. Yu. Buldakova, E. V. Shalaeva, E. V. Polyakov, M. V. Kuznetsov, I. R. Shein, E. G. Vovkotrub. J. Phys. Chem. Solids, 111 (2017) 473-486</mixed-citation><mixed-citation xml:lang="en">I. V. Baklanova, V. P. Zhukov, V. N. Krasil’nikov, O. I. Gyrdasova, L. Yu. Buldakova, E. V. Shalaeva, E. V. Polyakov, M. V. Kuznetsov, I. R. Shein, E. G. Vovkotrub. J. Phys. Chem. Solids, 111 (2017) 473-486</mixed-citation></citation-alternatives></ref><ref id="cit9"><label>9</label><citation-alternatives><mixed-citation xml:lang="ru">А. Sclafani, J. M. Herrmann. J. Phys. Chem., 100 (1996) 13655-13661</mixed-citation><mixed-citation xml:lang="en">А. Sclafani, J. M. Herrmann. J. Phys. Chem., 100 (1996) 13655-13661</mixed-citation></citation-alternatives></ref><ref id="cit10"><label>10</label><citation-alternatives><mixed-citation xml:lang="ru">Y. Cao, Z. Zhao, J. Yi, C. Ma, D. Zhou, R. Wang, C. Li, J. Qiu. J. Alloys Compd., 554 (2013) 12-20</mixed-citation><mixed-citation xml:lang="en">Y. Cao, Z. Zhao, J. Yi, C. Ma, D. Zhou, R. Wang, C. Li, J. Qiu. J. Alloys Compd., 554 (2013) 12-20</mixed-citation></citation-alternatives></ref><ref id="cit11"><label>11</label><citation-alternatives><mixed-citation xml:lang="ru">R. D. Shannon. Acta Crystal, A32 (1976) 751-767</mixed-citation><mixed-citation xml:lang="en">R. D. Shannon. Acta Crystal, A32 (1976) 751-767</mixed-citation></citation-alternatives></ref><ref id="cit12"><label>12</label><citation-alternatives><mixed-citation xml:lang="ru">M. Eltermann, V. Kiisk, A. Berholts, L. Dolgov, S. Lange, K. Utt, R. Jaaniso. Sensors and Actuators B, 265 (2018) 556-564</mixed-citation><mixed-citation xml:lang="en">M. Eltermann, V. Kiisk, A. Berholts, L. Dolgov, S. Lange, K. Utt, R. Jaaniso. Sensors and Actuators B, 265 (2018) 556-564</mixed-citation></citation-alternatives></ref><ref id="cit13"><label>13</label><citation-alternatives><mixed-citation xml:lang="ru">V. Kiisk, V. Reedo, O. Sild, I. Sildos. Opt. Mater., 31 (2009) 1376-1379</mixed-citation><mixed-citation xml:lang="en">V. Kiisk, V. Reedo, O. Sild, I. Sildos. Opt. Mater., 31 (2009) 1376-1379</mixed-citation></citation-alternatives></ref><ref id="cit14"><label>14</label><citation-alternatives><mixed-citation xml:lang="ru">Y. Qin, Z. Hu, B. H. Lim, W. S. Chang, K. K. Chong, P. Zhang, H. Zhang. J. Alloys Compd., 686 (2016) 803-809</mixed-citation><mixed-citation xml:lang="en">Y. Qin, Z. Hu, B. H. Lim, W. S. Chang, K. K. Chong, P. Zhang, H. Zhang. J. Alloys Compd., 686 (2016) 803-809</mixed-citation></citation-alternatives></ref><ref id="cit15"><label>15</label><citation-alternatives><mixed-citation xml:lang="ru">H. Zhang, Y. Sheng, Y. Song, H. Li, J. Huang, K. Zheng, Q. Huo, X. Xu, H. Zou. Powder Technol., 239 (2013) 403-408</mixed-citation><mixed-citation xml:lang="en">H. Zhang, Y. Sheng, Y. Song, H. Li, J. Huang, K. Zheng, Q. Huo, X. Xu, H. Zou. Powder Technol., 239 (2013) 403-408</mixed-citation></citation-alternatives></ref><ref id="cit16"><label>16</label><citation-alternatives><mixed-citation xml:lang="ru">B. H. Toby. J. Appl. Crystallogr., 34 (2001) 210-213</mixed-citation><mixed-citation xml:lang="en">B. H. Toby. J. Appl. Crystallogr., 34 (2001) 210-213</mixed-citation></citation-alternatives></ref><ref id="cit17"><label>17</label><citation-alternatives><mixed-citation xml:lang="ru">A. C. Larson, R. B. Von Dreele. General Structure Analysis System (GSAS), Los Alamos National Laboratory Report LAUR (2004) 86-748</mixed-citation><mixed-citation xml:lang="en">A. C. Larson, R. B. Von Dreele. General Structure Analysis System (GSAS), Los Alamos National Laboratory Report LAUR (2004) 86-748</mixed-citation></citation-alternatives></ref><ref id="cit18"><label>18</label><citation-alternatives><mixed-citation xml:lang="ru">I. V. Baklanova, V. N. Krasil’nikov, L. A. Perelyaeva, O. I. Gyrdasova. Theor. Exp. Chem., 47 (2011) 215-218</mixed-citation><mixed-citation xml:lang="en">I. V. Baklanova, V. N. Krasil’nikov, L. A. Perelyaeva, O. I. Gyrdasova. Theor. Exp. Chem., 47 (2011) 215-218</mixed-citation></citation-alternatives></ref><ref id="cit19"><label>19</label><citation-alternatives><mixed-citation xml:lang="ru">Y. V. Baklanova, L. G. Maksimova, O. A. Lipina, A. P. Tyutyunnik, V. G. Zubkov. J. Lumin., 224 (2020) 117315</mixed-citation><mixed-citation xml:lang="en">Y. V. Baklanova, L. G. Maksimova, O. A. Lipina, A. P. Tyutyunnik, V. G. Zubkov. J. Lumin., 224 (2020) 117315</mixed-citation></citation-alternatives></ref><ref id="cit20"><label>20</label><citation-alternatives><mixed-citation xml:lang="ru">Г. Е. Малашкевич, Е. Н. Подденежный, И. М. Мельниченко, А. В. Семченко. ФТТ, 40 (1998) 458-465</mixed-citation><mixed-citation xml:lang="en">Г. Е. Малашкевич, Е. Н. Подденежный, И. М. Мельниченко, А. В. Семченко. ФТТ, 40 (1998) 458-465</mixed-citation></citation-alternatives></ref><ref id="cit21"><label>21</label><citation-alternatives><mixed-citation xml:lang="ru">P. Vasudevan, S. Thomas, S. Karthika, P. R. Biju, C. Joseph, N. V. Unnikrishnan. J. Opt., 40 (2011) 96-100</mixed-citation><mixed-citation xml:lang="en">P. Vasudevan, S. Thomas, S. Karthika, P. R. Biju, C. Joseph, N. V. Unnikrishnan. J. Opt., 40 (2011) 96-100</mixed-citation></citation-alternatives></ref><ref id="cit22"><label>22</label><citation-alternatives><mixed-citation xml:lang="ru">M. Vranješ, J. Kuljanin-Jakovljević, S. P. Ahrenkiel, I. Zeković, M. Mitrić, Z. Šaponjić, J. M. Nedeljković. J. Lumin., 143 (2013) 453-458</mixed-citation><mixed-citation xml:lang="en">M. Vranješ, J. Kuljanin-Jakovljević, S. P. Ahrenkiel, I. Zeković, M. Mitrić, Z. Šaponjić, J. M. Nedeljković. J. Lumin., 143 (2013) 453-458</mixed-citation></citation-alternatives></ref><ref id="cit23"><label>23</label><citation-alternatives><mixed-citation xml:lang="ru">Y. Li, G. Wang, L. Meng, Y. Zhao, B. Jiang, S. Liu, B. Xu, Y. Wang, J. Su. Mater. Res. Bull., 50 (2014) 203-208</mixed-citation><mixed-citation xml:lang="en">Y. Li, G. Wang, L. Meng, Y. Zhao, B. Jiang, S. Liu, B. Xu, Y. Wang, J. Su. Mater. Res. Bull., 50 (2014) 203-208</mixed-citation></citation-alternatives></ref><ref id="cit24"><label>24</label><citation-alternatives><mixed-citation xml:lang="ru">K. Anil Kumar, S. Babu, V. Reddy Prasad, S. Damodaraiah, Y. C. Ratnakaram. Mater. Res. Bull., 90 (2017) 31-40</mixed-citation><mixed-citation xml:lang="en">K. Anil Kumar, S. Babu, V. Reddy Prasad, S. Damodaraiah, Y. C. Ratnakaram. Mater. Res. Bull., 90 (2017) 31-40</mixed-citation></citation-alternatives></ref><ref id="cit25"><label>25</label><citation-alternatives><mixed-citation xml:lang="ru">F. B. Xiong, S. D. Chen, W. B. Yang, X. G. Meng, E. Ma, W. Z. Zhu. Opt. Mater., 128 (2022) 112390</mixed-citation><mixed-citation xml:lang="en">F. B. Xiong, S. D. Chen, W. B. Yang, X. G. Meng, E. Ma, W. Z. Zhu. Opt. Mater., 128 (2022) 112390</mixed-citation></citation-alternatives></ref><ref id="cit26"><label>26</label><citation-alternatives><mixed-citation xml:lang="ru">H. Pamuluri, M. Rathaiah, K. Linganna, C. K. Jayasankar, V. Lavín, V. Venkatramu. New J. Chem., 42 (2018) 1260-1270</mixed-citation><mixed-citation xml:lang="en">H. Pamuluri, M. Rathaiah, K. Linganna, C. K. Jayasankar, V. Lavín, V. Venkatramu. New J. Chem., 42 (2018) 1260-1270</mixed-citation></citation-alternatives></ref><ref id="cit27"><label>27</label><citation-alternatives><mixed-citation xml:lang="ru">N. Deopa, A. S. Rao. Opt. Mater., 72 (2017) 31-39</mixed-citation><mixed-citation xml:lang="en">N. Deopa, A. S. Rao. Opt. Mater., 72 (2017) 31-39</mixed-citation></citation-alternatives></ref><ref id="cit28"><label>28</label><citation-alternatives><mixed-citation xml:lang="ru">G. Li, G. Li, Q. Mao, L. Pei, H. Yu, M. Liu, L. Chu, J. Zhong. Chem. Eng. J., 430 (2022) 132923</mixed-citation><mixed-citation xml:lang="en">G. Li, G. Li, Q. Mao, L. Pei, H. Yu, M. Liu, L. Chu, J. Zhong. Chem. Eng. J., 430 (2022) 132923</mixed-citation></citation-alternatives></ref><ref id="cit29"><label>29</label><citation-alternatives><mixed-citation xml:lang="ru">R. Krsmanović, Ž. Antić, B. Bártová, M. D. Dramićanin. J. Alloys Compd., 505 (2010) 224-228</mixed-citation><mixed-citation xml:lang="en">R. Krsmanović, Ž. Antić, B. Bártová, M. D. Dramićanin. J. Alloys Compd., 505 (2010) 224-228</mixed-citation></citation-alternatives></ref><ref id="cit30"><label>30</label><citation-alternatives><mixed-citation xml:lang="ru">L. Yu, K. Zhang, W. Li, B. Luo. J. Lumin., 243 (2022) 118674</mixed-citation><mixed-citation xml:lang="en">L. Yu, K. Zhang, W. Li, B. Luo. J. Lumin., 243 (2022) 118674</mixed-citation></citation-alternatives></ref><ref id="cit31"><label>31</label><citation-alternatives><mixed-citation xml:lang="ru">K. L. Kelly. J. Opt. Soc. Am., 33 (1943) 627-632</mixed-citation><mixed-citation xml:lang="en">K. L. Kelly. J. Opt. Soc. Am., 33 (1943) 627-632</mixed-citation></citation-alternatives></ref><ref id="cit32"><label>32</label><citation-alternatives><mixed-citation xml:lang="ru">C. S. McCamy. Color Res. Appl., 17 (1992) 142-144</mixed-citation><mixed-citation xml:lang="en">C. S. McCamy. Color Res. Appl., 17 (1992) 142-144</mixed-citation></citation-alternatives></ref><ref id="cit33"><label>33</label><citation-alternatives><mixed-citation xml:lang="ru">J. Li, J. Yan, D. Wen, W. U. Khan, J. Shi, M. Wu, Q. Sua, P. A. Tanner. J. Mater. Chem. C, 4 (2016) 8611-8623</mixed-citation><mixed-citation xml:lang="en">J. Li, J. Yan, D. Wen, W. U. Khan, J. Shi, M. Wu, Q. Sua, P. A. Tanner. J. Mater. Chem. C, 4 (2016) 8611-8623</mixed-citation></citation-alternatives></ref></ref-list><fn-group><fn fn-type="conflict"><p>The authors declare that there are no conflicts of interest present.</p></fn></fn-group></back></article>
