World's Best Scientists 2026 revealed!
Valmor Roberto Mastelaro

Valmor Roberto Mastelaro

D-Index & Metrics

Materials Science

D-Index
55
Citations
10655
World Ranking
8617
National Ranking
41

Chemistry

D-Index
55
Citations
10427
World Ranking
12169
National Ranking
85

Valmor Roberto Mastelaro 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 Valmor Roberto Mastelaro 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: 364 publications — 72nd percentile

72% of scientists in this discipline score the same or lower.

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

Valmor Roberto Mastelaro 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 Valmor Roberto Mastelaro 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: 55 D-Index — 34th percentile

34% of scientists in this discipline score the same or lower.

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

Overview

Valmor Roberto Mastelaro is affiliated with the Universidade de São Paulo in Brazil and has published extensively in the fields of Materials Science and Engineering. Their research spans multiple subfields, including Materials Chemistry, Electrical and Electronic Engineering, Renewable Energy, Sustainability and the Environment, Biomedical Engineering, and Electronic, Optical, and Magnetic Materials.

The primary topics of Mastelaro's research include:

  • Advanced Photocatalysis Techniques
  • Gas Sensing Nanomaterials and Sensors
  • ZnO doping and properties
  • Nanomaterials for catalytic reactions
  • Adsorption and biosorption for pollutant removal
  • Graphene research and applications
  • Analytical Chemistry and Sensors

Mastelaro's recent published papers cover a range of materials science and nanotechnology topics. Examples include:

  • ZnO-based nanomaterials approach for photocatalytic and sensing applications: recent progress and trends (2023), published in Materials Advances
  • Cellulose nanofibers production using a set of recombinant enzymes (2020), published in Carbohydrate Polymers
  • Unveiling the role of β-Ag2MoO4 microcrystals to the improvement of antibacterial activity (2020), published in Materials Science and Engineering C
  • Achieving high energy storage density simultaneously with large efficiency and excellent thermal stability by defect dipole, and microstructural engineering in modified-BaTiO3 ceramics (2022), published in Journal of Alloys and Compounds
  • One-Step Synthesis of Nickel Sulfides and Their Electrocatalytic Activities for Hydrogen Evolution Reaction: A Case Study of Crystalline h-NiS and o-Ni9S8 Nanoparticles (2020), published in ACS Applied Energy Materials

Frequent coauthors in Mastelaro's research include:

  • Patrícia Prediger
  • Tauany de Figueiredo Neves
  • Natália Gabriele Camparotto
  • Cristiane W. Raubach
  • Mateus M. Ferrer

The most common publication venues for Mastelaro's work are:

  • SSRN Electronic Journal
  • Ceramics International
  • Journal of Water Process Engineering
  • Optical Materials
  • Journal of Alloys and Compounds

This body of work reflects a sustained contribution to research on nanomaterials and their applications in photocatalysis, sensing, energy storage, and antimicrobial activity. The combination of topics and venues demonstrates a multidisciplinary engagement with materials chemistry and engineering challenges.

Best Publications

  • Activity and Characterization by XPS, HR-TEM, Raman Spectroscopy, and BET Surface Area of CuO/CeO2-TiO2 Catalysts

    Maria Suzana P. Francisco;Valmor R. Mastelaro;Pedro A. P. Nascente;Ariovaldo O. Florentino

  • Inhibition of the Anatase−Rutile Phase Transformation with Addition of CeO2 to CuO−TiO2 System: Raman Spectroscopy, X-ray Diffraction, and Textural Studies

    Maria Suzana P. Francisco;Valmor R. Mastelaro

  • Structural and optical properties of CaTiO3 perovskite-based materials obtained by microwave-assisted hydrothermal synthesis: An experimental and theoretical insight

    Mario L. Moreira;Elaine C. Paris;Gabriela S. do Nascimento;Valeria M. Longo

  • Cluster Coordination and Photoluminescence Properties of alpha-Ag2WO4 Microcrystals

    L. S. Cavalcante;M. A. P. Almeida;W. Avansi;R. L. Tranquilin

  • Structural conditions that leads to photoluminescence emission in SrTiO3: An experimental and theoretical approach

    V. M. Longo;A. T. de Figueiredo;S. de Lázaro;M. F. Gurgel

  • Yolk-shelled ZnCo2O4 microspheres: surface properties and gas sensing application

    Nirav Joshi;Nirav Joshi;Luís F. da Silva;Harsharaj S. Jadhav;Flavio M. Shimizu

  • Hydrothermal Microwave: A New Route to Obtain Photoluminescent Crystalline BaTiO3 Nanoparticles

    M. L. Moreira;G. P. Mambrini;D. P. Volanti;E. R. Leite

  • Surface Morphology-Dependent Room-Temperature LaFeO3 Nanostructure Thin Films as Selective NO2 Gas Sensor Prepared by Radio Frequency Magnetron Sputtering

    S. Thirumalairajan;S. Thirumalairajan;K. Girija;Valmor R. Mastelaro;N. Ponpandian

  • Strong violet–blue light photoluminescence emission at room temperature in SrZrO3: Joint experimental and theoretical study

    V. M. Longo;L. S. Cavalcante;R. Erlo;V. R. Mastelaro

  • Photocatalytic degradation of organic dyes under visible light irradiation by floral-like LaFeO3 nanostructures comprised of nanosheet petals

    Subramaniam Thirumalairajan;Subramaniam Thirumalairajan;Kesavan Girija;Valmor Roberto Mastelaro;Nagamony Ponpandian

  • A novel ozone gas sensor based on one-dimensional (1D) α-Ag2WO4 nanostructures

    Luís F. da Silva;Ariadne C. Catto;Waldir Avansi;Laécio S. Cavalcante

  • One-step approach for preparing ozone gas sensors based on hierarchical NiCo2O4 structures

    Nirav Joshi;Luís F. da Silva;Harsharaj Jadhav;Jean-Claude M'Peko

  • Vanadium Pentoxide Nanostructures: An Effective Control of Morphology and Crystal Structure in Hydrothermal Conditions

    Waldir Avansi;Cauê Ribeiro;Edson R. Leite;Valmor R. Mastelaro

  • Photoluminescence behavior in MgTiO3 powders with vacancy/distorted clusters and octahedral tilting

    E. A. V. Ferri;J. C. Sczancoski;L. S. Cavalcante;E. C. Paris

  • UV-enhanced ozone gas sensing response of ZnO-SnO2 heterojunctions at room temperature

    Luís F. Silva;Jean Claude M'Peko;Ariadne C. Catto;Sandrine Bernardini

  • 29Si MAS–NMR studies of Qn structural units in metasilicate glasses and their nucleating ability

    José Fabian Schneider;Valmor Roberto Mastelaro;Horácio Carlos Panepucci;E. D. Zanotto

  • Long-range and short-range structures of cube-like shape SrTiO3 powders: microwave-assisted hydrothermal synthesis and photocatalytic activity

    Luis F. Da Silva;Waldir Avansi;Juan Andres;Caue Ribeiro

  • UV-assisted chemiresistors made with gold-modified ZnO nanorods to detect ozone gas at room temperature

    Nirav Joshi;Nirav Joshi;Luís F. da Silva;Flávio M. Shimizu;Valmor Roberto Mastelaro

  • Qn distribution in stoichiometric silicate glasses: thermodynamic calculations and 29Si high resolution NMR measurements

    José Fabian Schneider;Valmor Roberto Mastelaro;E. D. Zanotto;Boris A. Shakhmatkin

  • Anisotropic Growth of Oxide Nanocrystals: Insights into the Rutile TiO2 Phase

    Caue Ribeiro;Cristiane Vila;Daniel B. Stroppa;Valmor R. Mastelaro

Frequent Co-Authors

Elson Longo
Elson Longo Federal University of São Carlos
José Arana Varela
José Arana Varela Sao Paulo State University
Edson R. Leite
Edson R. Leite Federal University of São Carlos
Caue Ribeiro
Caue Ribeiro Embrapa Instrumentation
Juan Andrés
Juan Andrés Jaume I University
Edgar D. Zanotto
Edgar D. Zanotto Federal University of São Carlos
Laécio S. Cavalcante
Laécio S. Cavalcante Universidade Estadual do Piau
Younes Messaddeq
Younes Messaddeq Université Laval
Paulo S. Pizani
Paulo S. Pizani Federal University of São Carlos
Sidney José Lima Ribeiro
Sidney José Lima Ribeiro Sao Paulo State University

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