<?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="en"><front><journal-meta><journal-id journal-id-type="publisher-id">najo</journal-id><journal-title-group><journal-title xml:lang="en">Nanosystems: Physics, Chemistry, Mathematics</journal-title><trans-title-group xml:lang="ru"><trans-title>Наносистемы: физика, химия, математика</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2220-8054</issn><issn pub-type="epub">2305-7971</issn><publisher><publisher-name>Университет ИТМО</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17586/2220-8054-2016-7-4-678-682</article-id><article-id custom-type="elpub" pub-id-type="custom">najo-1332</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>ZnO decorated graphene nanosheets: an advanced material for the electrochemical performance and photocatalytic degradation of organic dyes</article-title><trans-title-group xml:lang="ru"><trans-title>ZnO decorated graphene nanosheets: an advanced material for the electrochemical performance and photocatalytic degradation of organic dyes</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>Siddeswara</surname><given-names>D. M. K.</given-names></name><name name-style="western" xml:lang="en"><surname>Siddeswara</surname><given-names>D. M. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Department of Chemistry</p><p>Bengaluru-560082, Karnataka</p></bio><bio xml:lang="en"><p>Department of Chemistry</p><p>Bengaluru-560082, Karnataka</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>Vishnu Mahesh</surname><given-names>K. R.</given-names></name><name name-style="western" xml:lang="en"><surname>Vishnu Mahesh</surname><given-names>K. R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Department of Chemistry </p><p>Kumara Swamy Layout, Bengaluru, 560078, Karnataka</p></bio><bio xml:lang="en"><p>Department of Chemistry </p><p>Kumara Swamy Layout, Bengaluru, 560078, Karnataka</p></bio><email xlink:type="simple">vishnumaheshkr@gmail.com</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>Sharma</surname><given-names>S. C.</given-names></name><name name-style="western" xml:lang="en"><surname>Sharma</surname><given-names>S. C.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Department of Mechanical Engineering, DSCE, Provost</p><p>Bangalore, 560078</p></bio><bio xml:lang="en"><p>Department of Mechanical Engineering, DSCE, Provost</p><p>Bangalore, 560078</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Mylarappa</surname><given-names>M.</given-names></name><name name-style="western" xml:lang="en"><surname>Mylarappa</surname><given-names>M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Research Center, Department of Chemistry</p><p>Bengaluru-83, Karnatak</p></bio><bio xml:lang="en"><p>Research Center, Department of Chemistry</p><p>Bengaluru-83, Karnatak</p></bio><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Nagabhushana</surname><given-names>H.</given-names></name><name name-style="western" xml:lang="en"><surname>Nagabhushana</surname><given-names>H.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Research Center, Department of Chemistry</p><p>Bengaluru-83, Karnatak</p></bio><bio xml:lang="en"><p>Research Center, Department of Chemistry</p><p>Bengaluru-83, Karnatak</p></bio><xref ref-type="aff" rid="aff-5"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ananthraju</surname><given-names>K. S.</given-names></name><name name-style="western" xml:lang="en"><surname>Ananthraju</surname><given-names>K. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Department of Chemistry</p><p>Kumara Swamy Layout, Bengaluru, 560078, Karnataka</p></bio><bio xml:lang="en"><p>Department of Chemistry</p><p>Kumara Swamy Layout, Bengaluru, 560078, Karnataka</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Nagaswarupa</surname><given-names>H. P.</given-names></name><name name-style="western" xml:lang="en"><surname>Nagaswarupa</surname><given-names>H. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Prof. C. N. R. Rao Centre for Advanced Materials</p><p>Tumkur, 572 103</p></bio><bio xml:lang="en"><p>Prof. C. N. R. Rao Centre for Advanced Materials</p><p>Tumkur, 572 103</p></bio><xref ref-type="aff" rid="aff-5"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Prashantha</surname><given-names>S. C.</given-names></name><name name-style="western" xml:lang="en"><surname>Prashantha</surname><given-names>S. C.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Research Centre, Department of Science and Humanities</p><p>Bengaluru-560091, Karnataka</p></bio><bio xml:lang="en"><p>Research Centre, Department of Science and Humanities</p><p>Bengaluru-560091, Karnataka</p></bio><xref ref-type="aff" rid="aff-6"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Raghavendra</surname><given-names>N.</given-names></name><name name-style="western" xml:lang="en"><surname>Raghavendra</surname><given-names>N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>CMRTU</p><p>Bangalore-59</p></bio><bio xml:lang="en"><p>CMRTU</p><p>Bangalore-59</p></bio><xref ref-type="aff" rid="aff-7"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Jyothy Institute of Technology</institution></aff><aff xml:lang="en"><institution>Jyothy Institute of Technology</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Dayananda Sagar College of Engineering</institution></aff><aff xml:lang="en"><institution>Dayananda Sagar College of Engineering</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Dayananda Sagar University</institution></aff><aff xml:lang="en"><institution>Dayananda Sagar University</institution></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>AMC Engineering College</institution></aff><aff xml:lang="en"><institution>AMC Engineering College</institution></aff></aff-alternatives><aff-alternatives id="aff-5"><aff xml:lang="ru"><institution>Tumkur University</institution></aff><aff xml:lang="en"><institution>Tumkur University</institution></aff></aff-alternatives><aff-alternatives id="aff-6"><aff xml:lang="ru"><institution>East West Institute of Technology</institution></aff><aff xml:lang="en"><institution>East West Institute of Technology</institution></aff></aff-alternatives><aff-alternatives id="aff-7"><aff xml:lang="ru"><institution>RV College of Engineering</institution></aff><aff xml:lang="en"><institution>RV College of Engineering</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2016</year></pub-date><pub-date pub-type="epub"><day>22</day><month>08</month><year>2025</year></pub-date><volume>7</volume><issue>4</issue><fpage>678</fpage><lpage>682</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Siddeswara D.M., Vishnu Mahesh K.R., Sharma S.C., Mylarappa M., Nagabhushana H., Ananthraju K.S., Nagaswarupa H.P., Prashantha S.C., Raghavendra N., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Siddeswara D.M., Vishnu Mahesh K.R., Sharma S.C., Mylarappa M., Nagabhushana H., Ananthraju K.S., Nagaswarupa H.P., Prashantha S.C., Raghavendra N.</copyright-holder><copyright-holder xml:lang="en">Siddeswara D.M., Vishnu Mahesh K.R., Sharma S.C., Mylarappa M., Nagabhushana H., Ananthraju K.S., Nagaswarupa H.P., Prashantha S.C., Raghavendra N.</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://nanojournal.ifmo.ru/jour/article/view/1332">https://nanojournal.ifmo.ru/jour/article/view/1332</self-uri><abstract><p>The objective of the current research was mainly focused on synthesizing the Reduced Graphene Oxide (RGO) using modified Hummers method and ZnO functionalized reduced graphene oxide (RGO) composite was fabricated by a one-pot approach. The ZnO functionalized graphene nanosheets were characterized by X-ray diffractometer (XRD) and surface morphology was examined using Transmission Electron Microscopy (TEM). Electrochemical characteristics of the ZnO/RGO composite were investigated through cyclic voltammetry and electrochemical impedance spectroscopy (EIS). The composite was capable of delivering a high specific capacitance with excellent cycling stability. The ZnO decorated RGO catalyst was also applied to degrade different nonvolatile compounds such as Methyl Blue (MB) and Indigo carmine (IC). The performance of RGO/ZnO shows rapid degradation of dyes of high concentrations.</p></abstract><trans-abstract xml:lang="ru"><p>The objective of the current research was mainly focused on synthesizing the Reduced Graphene Oxide (RGO) using modified Hummers method and ZnO functionalized reduced graphene oxide (RGO) composite was fabricated by a one-pot approach. The ZnO functionalized graphene nanosheets were characterized by X-ray diffractometer (XRD) and surface morphology was examined using Transmission Electron Microscopy (TEM). Electrochemical characteristics of the ZnO/RGO composite were investigated through cyclic voltammetry and electrochemical impedance spectroscopy (EIS). The composite was capable of delivering a high specific capacitance with excellent cycling stability. The ZnO decorated RGO catalyst was also applied to degrade different nonvolatile compounds such as Methyl Blue (MB) and Indigo carmine (IC). The performance of RGO/ZnO shows rapid degradation of dyes of high concentrations.</p></trans-abstract></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Yuvaraj Haldorai, Walter Voit, Jae-Jin Shim. Nano ZnO @reduced graphene oxide composite for high performance super capacitor. Green synthesis in supercritical fluid Electrochemical Acta., 2014, 120, P. 65–72.</mixed-citation><mixed-citation xml:lang="en">Yuvaraj Haldorai, Walter Voit, Jae-Jin Shim. Nano ZnO @reduced graphene oxide composite for high performance super capacitor. Green synthesis in supercritical fluid Electrochemical Acta., 2014, 120, P. 65–72.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Ejikeme Raphael Ezeigwe, Michelle T.T. Tan, Poi Sim Khiew, Chiu Wee Siong. One-step green synthesis of graphene/ZnO nanocomposites for electrochemical capacitors. Ceramics International, 2015, 41, P. 715–724.</mixed-citation><mixed-citation xml:lang="en">Ejikeme Raphael Ezeigwe, Michelle T.T. Tan, Poi Sim Khiew, Chiu Wee Siong. One-step green synthesis of graphene/ZnO nanocomposites for electrochemical capacitors. Ceramics International, 2015, 41, P. 715–724.</mixed-citation></citation-alternatives></ref><ref id="cit3"><label>3</label><citation-alternatives><mixed-citation xml:lang="ru">Zhou Y.K., He B.L., Zhang F.B., Li H.L. Hydrous manganese oxide/carbon nanotube composite electrodes for electrochemical capacitors. Solid State Electrochem., 2004, 8, P. 482.</mixed-citation><mixed-citation xml:lang="en">Zhou Y.K., He B.L., Zhang F.B., Li H.L. Hydrous manganese oxide/carbon nanotube composite electrodes for electrochemical capacitors. Solid State Electrochem., 2004, 8, P. 482.</mixed-citation></citation-alternatives></ref><ref id="cit4"><label>4</label><citation-alternatives><mixed-citation xml:lang="ru">Subramanian V., Zhu H., Wei B. Alcohol-assisted room temperature synthesis of different nanostructured manganese oxides and their pseudocapacitance properties in neutral electrolyte. Chem. Phys. Lett., 2008, 453, P. 242–249.</mixed-citation><mixed-citation xml:lang="en">Subramanian V., Zhu H., Wei B. Alcohol-assisted room temperature synthesis of different nanostructured manganese oxides and their pseudocapacitance properties in neutral electrolyte. Chem. Phys. Lett., 2008, 453, P. 242–249.</mixed-citation></citation-alternatives></ref><ref id="cit5"><label>5</label><citation-alternatives><mixed-citation xml:lang="ru">Zijiong Li, Zhihua Zhou, et al. High-performance solid-state supercapacitors based on graphene-ZnO hybrid nanocomposites. Nanoscale Research Letters, 2013, 8, P. 473.</mixed-citation><mixed-citation xml:lang="en">Zijiong Li, Zhihua Zhou, et al. High-performance solid-state supercapacitors based on graphene-ZnO hybrid nanocomposites. Nanoscale Research Letters, 2013, 8, P. 473.</mixed-citation></citation-alternatives></ref><ref id="cit6"><label>6</label><citation-alternatives><mixed-citation xml:lang="ru">Li B., Liu T., Wang Y., Wang Z. ZnO/graphene-oxide nanocomposite withremarkably enhanced visible-light-driven photocatalytic perfor- mance. J. Col-loid Interface Sci., 2012, 377, P. 114.</mixed-citation><mixed-citation xml:lang="en">Li B., Liu T., Wang Y., Wang Z. ZnO/graphene-oxide nanocomposite withremarkably enhanced visible-light-driven photocatalytic perfor- mance. J. Col-loid Interface Sci., 2012, 377, P. 114.</mixed-citation></citation-alternatives></ref><ref id="cit7"><label>7</label><citation-alternatives><mixed-citation xml:lang="ru">Tingting Liu, Guangjie Shao, Mingtong Ji, Guiling Wang. Synthesis of MnO2-graphene composites with enhanced super capacitive performance via pulse electrodeposition under supergravity field. Journal of Solid State Chemistry, 2014, 215, P. 160–166.</mixed-citation><mixed-citation xml:lang="en">Tingting Liu, Guangjie Shao, Mingtong Ji, Guiling Wang. Synthesis of MnO2-graphene composites with enhanced super capacitive performance via pulse electrodeposition under supergravity field. Journal of Solid State Chemistry, 2014, 215, P. 160–166.</mixed-citation></citation-alternatives></ref><ref id="cit8"><label>8</label><citation-alternatives><mixed-citation xml:lang="ru">Xichuan Lia, Xiaoyang Xua, et al. Electrochemically active MnO2/RGO nanocomposites using Mn powder as the reducing agent of GO and the MnO2 precursor. Electro chimica Acta, 2014, 130, P. 305–313.</mixed-citation><mixed-citation xml:lang="en">Xichuan Lia, Xiaoyang Xua, et al. Electrochemically active MnO2/RGO nanocomposites using Mn powder as the reducing agent of GO and the MnO2 precursor. Electro chimica Acta, 2014, 130, P. 305–313.</mixed-citation></citation-alternatives></ref><ref id="cit9"><label>9</label><citation-alternatives><mixed-citation xml:lang="ru">Yongchuan Liu, Dawei He, et al. Synthesis of MnO2/graphene/carbon nanotube nanostructured ternary composite for supercapacitor electrodes with high rate capability. Materials Chemistry and Physics, 2014, 147, P. 141–146.</mixed-citation><mixed-citation xml:lang="en">Yongchuan Liu, Dawei He, et al. Synthesis of MnO2/graphene/carbon nanotube nanostructured ternary composite for supercapacitor electrodes with high rate capability. Materials Chemistry and Physics, 2014, 147, P. 141–146.</mixed-citation></citation-alternatives></ref><ref id="cit10"><label>10</label><citation-alternatives><mixed-citation xml:lang="ru">Conway B.E. Electrochemical Supercapacitors: Scientific Fundamentals and Technological Applications. Kluwer Academic/Plenum, New York, 1999.</mixed-citation><mixed-citation xml:lang="en">Conway B.E. Electrochemical Supercapacitors: Scientific Fundamentals and Technological Applications. Kluwer Academic/Plenum, New York, 1999.</mixed-citation></citation-alternatives></ref><ref id="cit11"><label>11</label><citation-alternatives><mixed-citation xml:lang="ru">Muhammad Mohsin Hossaina, Bon-Cheol Kub, Jae Ryang Hahna. Synthesis of an efficient white-light photo catalyst composite of graphene and ZnO nanoparticles: Application to methylene blue dye decomposition. Applied Surface Science, 2015, 354, P. 55–65.</mixed-citation><mixed-citation xml:lang="en">Muhammad Mohsin Hossaina,  Bon-Cheol Kub,  Jae Ryang Hahna. Synthesis of an efficient white-light photo catalyst composite of graphene and ZnO nanoparticles: Application to methylene blue dye decomposition. Applied Surface Science, 2015, 354, P. 55–65.</mixed-citation></citation-alternatives></ref><ref id="cit12"><label>12</label><citation-alternatives><mixed-citation xml:lang="ru">Prathap Anu M.U., Kaur B., Srivastava R. Hydrothermal synthesis of CuO micro-/nanostructures and their applications in the oxidative degradation of methylene blue and non-enzymatic sensing of glucose/H2O2. J. Colloid Interface Sci., 2012, 370, P. 144–154.</mixed-citation><mixed-citation xml:lang="en">Prathap Anu M.U., Kaur B., Srivastava R. Hydrothermal synthesis of CuO micro-/nanostructures and their applications in the oxidative degradation of methylene blue and non-enzymatic sensing of glucose/H2O2. J. Colloid Interface Sci., 2012, 370, P. 144–154.</mixed-citation></citation-alternatives></ref><ref id="cit13"><label>13</label><citation-alternatives><mixed-citation xml:lang="ru">SiXu Deng, Dan Sun, et al. Synthesis and electrochemical properties of MnO2 nanorods/graphene composites for supercapacitor applica-tions. Electrochimica Acta, 2013, 111, P. 707–712.</mixed-citation><mixed-citation xml:lang="en">SiXu Deng, Dan Sun, et al. Synthesis and electrochemical properties of MnO2 nanorods/graphene composites for supercapacitor applica-tions. Electrochimica Acta, 2013, 111, P. 707–712.</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>
