World's Best Scientists 2026 revealed!
John Kennedy

John Kennedy

Award Badge
Materials Science
New Zealand
2022

D-Index & Metrics

Materials Science

D-Index
66
Citations
12122
World Ranking
5480
National Ranking
5

John Kennedy publication distribution in Materials Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Materials Science in 2026. The highlighted bar marks where John Kennedy sits on this spectrum.

50–69 publications: 28 scientists 70–89 publications: 152 scientists 90–109 publications: 356 scientists 110–129 publications: 487 scientists 130–149 publications: 723 scientists 150–169 publications: 835 scientists 170–189 publications: 850 scientists 190–209 publications: 891 scientists 210–229 publications: 862 scientists 230–249 publications: 766 scientists 250–269 publications: 726 scientists 270–289 publications: 665 scientists 290–309 publications: 593 scientists 310–329 publications: 537 scientists 330–349 publications: 477 scientists 350–369 publications: 440 scientists 370–389 publications: 356 scientists 390–409 publications: 321 scientists 410–429 publications: 256 scientists 430–449 publications: 246 scientists 450–469 publications: 216 scientists 470–489 publications: 212 scientists 490–509 publications: 174 scientists 510–529 publications: 194 scientists 530–549 publications: 162 scientists 550–569 publications: 131 scientists 570–589 publications: 111 scientists 590–609 publications: 103 scientists 610–629 publications: 99 scientists 630–649 publications: 77 scientists 650–669 publications: 92 scientists 670–689 publications: 56 scientists 690–709 publications: 53 scientists 710–729 publications: 53 scientists 730–749 publications: 38 scientists 750–769 publications: 52 scientists 770–789 publications: 43 scientists 790–809 publications: 38 scientists 810–829 publications: 34 scientists 830–849 publications: 25 scientists 850–869 publications: 18 scientists 870–889 publications: 20 scientists 890–909 publications: 24 scientists 910–929 publications: 27 scientists 930–949 publications: 20 scientists 950–969 publications: 17 scientists 970–989 publications: 10 scientists 990–1,009 publications: 16 scientists 1,010–1,029 publications: 13 scientists 1,030–1,049 publications: 12 scientists 1,050–1,069 publications: 9 scientists 1,070–1,089 publications: 8 scientists 1,090–1,109 publications: 7 scientists 1,110–1,129 publications: 9 scientists 1,130–1,149 publications: 2 scientists 1,150–1,162 publications: 5 scientists 1,163+ publications: 100 scientists
50 publications 1,163+

This scientist: 252 publications — 47th percentile

47% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,163 publications or more.

John Kennedy D-index placement in Materials Science in 2026

The chart shows the D-index (discipline H-index) distribution of Materials Science scientists ranked by Research.com in 2026. The highlighted bar marks where John Kennedy sits on this spectrum.

40–41 D-Index: 211 scientists 42–43 D-Index: 450 scientists 44–45 D-Index: 612 scientists 46–47 D-Index: 612 scientists 48–49 D-Index: 598 scientists 50–51 D-Index: 657 scientists 52–53 D-Index: 667 scientists 54–55 D-Index: 621 scientists 56–57 D-Index: 597 scientists 58–59 D-Index: 610 scientists 60–61 D-Index: 587 scientists 62–63 D-Index: 606 scientists 64–65 D-Index: 533 scientists 66–67 D-Index: 490 scientists 68–69 D-Index: 469 scientists 70–71 D-Index: 378 scientists 72–73 D-Index: 421 scientists 74–75 D-Index: 359 scientists 76–77 D-Index: 323 scientists 78–79 D-Index: 299 scientists 80–81 D-Index: 230 scientists 82–83 D-Index: 210 scientists 84–85 D-Index: 195 scientists 86–87 D-Index: 203 scientists 88–89 D-Index: 175 scientists 90–91 D-Index: 175 scientists 92–93 D-Index: 142 scientists 94–95 D-Index: 121 scientists 96–97 D-Index: 117 scientists 98–99 D-Index: 107 scientists 100–101 D-Index: 88 scientists 102–103 D-Index: 85 scientists 104–105 D-Index: 68 scientists 106–107 D-Index: 62 scientists 108–109 D-Index: 57 scientists 110–111 D-Index: 45 scientists 112–113 D-Index: 49 scientists 114–115 D-Index: 50 scientists 116–117 D-Index: 34 scientists 118–119 D-Index: 38 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 29 scientists 124–125 D-Index: 28 scientists 126–127 D-Index: 24 scientists 128–129 D-Index: 33 scientists 130–131 D-Index: 28 scientists 132–133 D-Index: 21 scientists 134–135 D-Index: 20 scientists 136–137 D-Index: 23 scientists 138–139 D-Index: 17 scientists 140–141 D-Index: 12 scientists 142–143 D-Index: 17 scientists 144–145 D-Index: 21 scientists 146–147 D-Index: 13 scientists 148–149 D-Index: 11 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 13 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 4 scientists 162–163 D-Index: 4 scientists 164 D-Index: 3 scientists 165+ D-Index: 98 scientists
40 D-Index 165+

This scientist: 66 D-Index — 59th percentile

59% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 165 D-Index or more.

Research.com Recognitions

  • 2022 - Research.com Materials Science in New Zealand Leader Award

Overview

John Kennedy is affiliated with GNS Science in New Zealand and has a research focus primarily within Materials Science and Engineering. Their work spans various subfields including Materials Chemistry, Electrical and Electronic Engineering, Renewable Energy, Sustainability and the Environment, Condensed Matter Physics, and Biomedical Engineering.

The scientist's main topics of study include:

  • ZnO doping and properties
  • Advanced Thermoelectric Materials and Devices
  • Metal and Thin Film Mechanics
  • Advanced Photocatalysis Techniques
  • Gas Sensing Nanomaterials and Sensors
  • Chalcogenide Semiconductor Thin Films
  • GaN-based semiconductor devices and materials

John Kennedy has contributed to the literature with several recent papers, notably:

  • Studies of MnO2/g-C3N4 hetrostructure efficient of visible light photocatalyst for pollutants degradation by sol-gel technique, 2020, published in Surfaces and Interfaces
  • RETRACTED: Effect of Ag doped MnO2 nanostructures suitable for wastewater treatment and other environmental pollutant applications, 2021, published in Environmental Research
  • Fe2O3/P-doped CoMoO4 electrocatalyst delivers efficient overall water splitting in alkaline media, 2024, published in Applied Catalysis B: Environmental
  • Recent Advances in Self-Supported Semiconductor Heterojunction Nanoarrays as Efficient Photoanodes for Photoelectrochemical Water Splitting, 2022, published in Small
  • Influence of Carrier Density and Energy Barrier Scattering on a High Seebeck Coefficient and Power Factor in Transparent Thermoelectric Copper Iodide, 2020, published in ACS Applied Energy Materials

The scientist has frequent co-authors including:

  • Jérôme Leveneur
  • Peter P. Murmu
  • Holger Fiedler
  • Prasanth Gupta
  • Geoffrey I. N. Waterhouse

John Kennedy's frequent publication venues, reflecting the primary domains of research dissemination, are:

  • Surfaces and Interfaces
  • International Journal of Hydrogen Energy
  • Materials Today Proceedings
  • SSRN Electronic Journal
  • Emergent Materials

In addition to journal articles, John Kennedy has published a book titled Paradise Blues in 2024 through The White Horse Press eBooks.

Best Publications

  • A comparison of traditional manufacturing vs additive manufacturing, the best method for the job

    Tanisha Pereira;John V Kennedy;Johan Potgieter

  • Photodegradation of organic pollutants RhB dye using UV simulated sunlight on ceria based TiO2 nanomaterials for antibacterial applications.

    Kaviyarasu Kasinathan;John Kennedy;John Kennedy;Manikandan Elayaperumal;Manikandan Elayaperumal;Mohamed Henini;Mohamed Henini

  • In vitro cytotoxicity effect and antibacterial performance of human lung epithelial cells A549 activity of Zinc oxide doped TiO 2 nanocrystals: Investigation of bio-medical application by chemical method

    K. Kaviyarasu;K. Kaviyarasu;N. Geetha;K. Kanimozhi;C. Maria Magdalane

  • Evaluation on the heterostructured CeO2/Y2O3 binary metal oxide nanocomposites for UV/Vis light induced photocatalytic degradation of Rhodamine - B dye for textile engineering application

    C. Maria Magdalane;C. Maria Magdalane;K. Kaviyarasu;K. Kaviyarasu;J. Judith Vijaya;Busi Siddhardha

  • UV and humidity sensing properties of ZnO nanorods prepared by the arc discharge method.

    F Fang;J Futter;A Markwitz;J Kennedy

  • Controlling preferred orientation and electrical conductivity of zinc oxide thin films by post growth annealing treatment

    J. Kennedy;J. Kennedy;P.P. Murmu;J. Leveneur;A. Markwitz;A. Markwitz

  • Elucidation of photocatalysis, photoluminescence and antibacterial studies of ZnO thin films by spin coating method.

    K. Kaviyarasu;K. Kaviyarasu;C. Maria Magdalane;K. Kanimozhi;J. Kennedy

  • Synthesis and characterization studies of NiO nanorods for enhancing solar cell efficiency using photon upconversion materials

    K. Kaviyarasu;K. Kaviyarasu;E. Manikandan;E. Manikandan;J. Kennedy;J. Kennedy;M. Jayachandran

  • Investigation of structural and photoluminescence properties of gas and metal ions doped zinc oxide single crystals

    J. Kennedy;J. Kennedy;P.P. Murmu;E. Manikandan;S.Y. Lee

  • Perseverance’s Scanning Habitable Environments with Raman and Luminescence for Organics and Chemicals (SHERLOC) Investigation

    Rohit Bhartia;Luther W. Beegle;Lauren DeFlores;William Abbey

  • Photocatalytic decomposition effect of erbium doped cerium oxide nanostructures driven by visible light irradiation: Investigation of cytotoxicity, antibacterial growth inhibition using catalyst.

    C. Maria Magdalane;K. Kaviyarasu;K. Kaviyarasu;A. Raja;M.V. Arularasu

  • Solution processing of CuSe quantum dots: Photocatalytic activity under RhB for UV and visible-light solar irradiation

    K. Kaviyarasu;K. Kaviyarasu;A. Ayeshamariam;A. Ayeshamariam;E. Manikandan;E. Manikandan;J. Kennedy;J. Kennedy

  • One dimensional well-aligned CdO nanocrystal by solvothermal method

    K. Kaviyarasu;E. Manikandan;E. Manikandan;P. Paulraj;S.B. Mohamed

  • Studies of MnO2/g-C3N4 hetrostructure efficient of visible light photocatalyst for pollutants degradation by sol-gel technique

    S. Panimalar;R. Uthrakumar;E.Tamil Selvi;P. Gomathy

  • Antibacterial, magnetic, optical and humidity sensor studies of β-CoMoO4 - Co3O4 nanocomposites and its synthesis and characterization

    A. Mobeen Amanulla;Sk. Jasmine Shahina;R. Sundaram;C. Maria Magdalane

  • Antiproliferative effects on human lung cell lines A549 activity of cadmium selenide nanoparticles extracted from cytotoxic effects: Investigation of bio-electronic application.

    K. Kaviyarasu;K. Kaviyarasu;K. Kanimozhi;N. Matinise;C. Maria Magdalane

  • High performance of pyrochlore like Sm2Ti2O7 heterojunction photocatalyst for efficient degradation of rhodamine-B dye with waste water under visible light irradiation

    K. Kaviyarasu;K. Kaviyarasu;C. Maria Magdalane;D. Jayakumar;Y. Samson

  • Photocatalytic activity of ZrO 2 doped lead dioxide nanocomposites: Investigation of structural and optical microscopy of RhB organic dye

    K. Kaviyarasu;K. Kaviyarasu;L. Kotsedi;L. Kotsedi;Aline Simo;Aline Simo;Xolile Fuku;Xolile Fuku

  • Epitaxial zinc oxide, graphene oxide composite thin-films by laser technique for micro-Raman and enhanced field emission study

    E. Manikandan;E. Manikandan;G. Kavitha;J. Kennedy

  • Structural, optical and morphological properties of post-growth calcined TiO2 nanopowder for opto-electronic device application: Ex-situ studies

    B. Sathyaseelan;E. Manikandan;E. Manikandan;V. Lakshmanan;I. Baskaran

  • A comparative study on the morphological features of highly ordered MgO:AgO nanocube arrays prepared via a hydrothermal method

    K. Kaviyarasu;K. Kaviyarasu;E. Manikandan;E. Manikandan;E. Manikandan;J. Kennedy;J. Kennedy;J. Kennedy;Malik Maaza;Malik Maaza

Frequent Co-Authors

Malik Maaza
Malik Maaza University of South Africa
K. Kaviyarasu
K. Kaviyarasu University of South Africa
Grant V. M. Williams
Grant V. M. Williams MacDiarmid Institute for Advanced Materials and Nanotechnology
Jadranka Travas-Sejdic
Jadranka Travas-Sejdic University of Auckland
David R. G. Mitchell
David R. G. Mitchell University of Wollongong
Wei Gao
Wei Gao University of Auckland
Geok Ing Ng
Geok Ing Ng Nanyang Technological University
Jiabao Yi
Jiabao Yi University of Newcastle Australia
M. Jayachandran
M. Jayachandran Sethu Institute of Technology

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