World's Best Scientists 2026 revealed!
Dionysios D. Dionysiou

Dionysios D. Dionysiou

D-Index & Metrics

Environmental Sciences

D-Index
162
Citations
96788
World Ranking
16
National Ranking
8

Chemistry

D-Index
164
Citations
98521
World Ranking
83
National Ranking
46

Dionysios D. Dionysiou publication distribution in Environmental Sciences in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Environmental Sciences in 2026. The highlighted bar marks where Dionysios D. Dionysiou sits on this spectrum.

41–50 publications: 21 scientists 51–60 publications: 62 scientists 61–70 publications: 133 scientists 71–80 publications: 257 scientists 81–90 publications: 361 scientists 91–100 publications: 440 scientists 101–110 publications: 492 scientists 111–120 publications: 541 scientists 121–130 publications: 617 scientists 131–140 publications: 544 scientists 141–150 publications: 541 scientists 151–160 publications: 539 scientists 161–170 publications: 444 scientists 171–180 publications: 444 scientists 181–190 publications: 400 scientists 191–200 publications: 377 scientists 201–210 publications: 318 scientists 211–220 publications: 283 scientists 221–230 publications: 263 scientists 231–240 publications: 220 scientists 241–250 publications: 217 scientists 251–260 publications: 180 scientists 261–270 publications: 181 scientists 271–280 publications: 155 scientists 281–290 publications: 130 scientists 291–300 publications: 127 scientists 301–310 publications: 130 scientists 311–320 publications: 85 scientists 321–330 publications: 106 scientists 331–340 publications: 80 scientists 341–350 publications: 83 scientists 351–360 publications: 75 scientists 361–370 publications: 69 scientists 371–380 publications: 52 scientists 381–390 publications: 54 scientists 391–400 publications: 56 scientists 401–410 publications: 44 scientists 411–420 publications: 40 scientists 421–430 publications: 36 scientists 431–440 publications: 25 scientists 441–450 publications: 25 scientists 451–460 publications: 32 scientists 461–470 publications: 29 scientists 471–480 publications: 21 scientists 481–490 publications: 26 scientists 491–500 publications: 25 scientists 501–510 publications: 17 scientists 511–520 publications: 18 scientists 521–530 publications: 15 scientists 531–540 publications: 22 scientists 541–550 publications: 12 scientists 551–560 publications: 15 scientists 561–570 publications: 11 scientists 571–580 publications: 19 scientists 581–590 publications: 9 scientists 591–600 publications: 9 scientists 601–610 publications: 7 scientists 611–620 publications: 11 scientists 621–630 publications: 5 scientists 631–640 publications: 5 scientists 641–650 publications: 6 scientists 651–660 publications: 3 scientists 661–670 publications: 3 scientists 671–680 publications: 4 scientists 681–686 publications: 3 scientists 687+ publications: 100 scientists
41 publications 687+

This scientist: 768 publications — 99th percentile

99% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 687 publications or more.

Dionysios D. Dionysiou D-index placement in Environmental Sciences in 2026

The chart shows the D-index (discipline H-index) distribution of Environmental Sciences scientists ranked by Research.com in 2026. The highlighted bar marks where Dionysios D. Dionysiou sits on this spectrum.

30 D-Index: 12 scientists 31 D-Index: 26 scientists 32 D-Index: 51 scientists 33 D-Index: 88 scientists 34 D-Index: 123 scientists 35 D-Index: 163 scientists 36 D-Index: 206 scientists 37 D-Index: 267 scientists 38 D-Index: 265 scientists 39 D-Index: 275 scientists 40 D-Index: 321 scientists 41 D-Index: 343 scientists 42 D-Index: 305 scientists 43 D-Index: 336 scientists 44 D-Index: 330 scientists 45 D-Index: 348 scientists 46 D-Index: 291 scientists 47 D-Index: 275 scientists 48 D-Index: 272 scientists 49 D-Index: 273 scientists 50 D-Index: 263 scientists 51 D-Index: 232 scientists 52 D-Index: 266 scientists 53 D-Index: 217 scientists 54 D-Index: 199 scientists 55 D-Index: 177 scientists 56 D-Index: 202 scientists 57 D-Index: 204 scientists 58 D-Index: 166 scientists 59 D-Index: 177 scientists 60 D-Index: 166 scientists 61 D-Index: 152 scientists 62 D-Index: 143 scientists 63 D-Index: 150 scientists 64 D-Index: 124 scientists 65 D-Index: 119 scientists 66 D-Index: 120 scientists 67 D-Index: 118 scientists 68 D-Index: 82 scientists 69 D-Index: 98 scientists 70 D-Index: 94 scientists 71 D-Index: 105 scientists 72 D-Index: 74 scientists 73 D-Index: 84 scientists 74 D-Index: 70 scientists 75 D-Index: 67 scientists 76 D-Index: 78 scientists 77 D-Index: 60 scientists 78 D-Index: 59 scientists 79 D-Index: 52 scientists 80 D-Index: 47 scientists 81 D-Index: 38 scientists 82 D-Index: 48 scientists 83 D-Index: 42 scientists 84 D-Index: 42 scientists 85 D-Index: 43 scientists 86 D-Index: 29 scientists 87 D-Index: 37 scientists 88 D-Index: 29 scientists 89 D-Index: 30 scientists 90 D-Index: 34 scientists 91 D-Index: 20 scientists 92 D-Index: 22 scientists 93 D-Index: 17 scientists 94 D-Index: 19 scientists 95 D-Index: 24 scientists 96 D-Index: 21 scientists 97 D-Index: 20 scientists 98 D-Index: 24 scientists 99 D-Index: 17 scientists 100 D-Index: 17 scientists 101 D-Index: 21 scientists 102 D-Index: 25 scientists 103 D-Index: 18 scientists 104 D-Index: 26 scientists 105 D-Index: 19 scientists 106 D-Index: 15 scientists 107 D-Index: 10 scientists 108 D-Index: 13 scientists 109 D-Index: 15 scientists 110 D-Index: 12 scientists 111 D-Index: 8 scientists 112 D-Index: 7 scientists 113 D-Index: 9 scientists 114 D-Index: 6 scientists 115 D-Index: 12 scientists 116 D-Index: 7 scientists 117 D-Index: 8 scientists 118 D-Index: 3 scientists 119 D-Index: 5 scientists 120 D-Index: 7 scientists 121 D-Index: 2 scientists 122 D-Index: 4 scientists 123 D-Index: 8 scientists 124 D-Index: 7 scientists 125+ D-Index: 99 scientists
30 D-Index 125+

This scientist: 162 D-Index — 100th percentile

100% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 125 D-Index or more.

Research.com Recognitions

  • 2018 - Member of the European Academy of Sciences
  • 2015 - Fellow of the American Chemical Society
  • Fellow of the Association of Environmental Engineering and Science Professors (AEESP)
  • Fellow of the Association of Environmental Engineering and Science Professors (AEESP)
  • Fellow of the Association of Environmental Engineering and Science Professors (AEESP)
  • Fellow of the Association of Environmental Engineering and Science Professors (AEESP)
  • Fellow of the Association of Environmental Engineering and Science Professors (AEESP)
  • Fellow of the Association of Environmental Engineering and Science Professors (AEESP)
  • Fellow of the Association of Environmental Engineering and Science Professors (AEESP)
  • Fellow of the Association of Environmental Engineering and Science Professors (AEESP)
  • Fellow of the Association of Environmental Engineering and Science Professors (AEESP)
  • Fellow of the Association of Environmental Engineering and Science Professors (AEESP)

Overview

Dionysios D. Dionysiou was affiliated with the University of Cincinnati in the United States. Their work spanned significant areas within environmental science and energy, focusing extensively on advanced oxidation processes and water treatment technologies.

Their main fields of study included Environmental Science and Energy, while subfields they contributed to were Renewable Energy, Sustainability and the Environment; Water Science and Technology; Materials Chemistry; Biomedical Engineering; and Pollution. Their research concentrated on several main topics, notably:

  • Advanced oxidation water treatment
  • Advanced photocatalysis techniques
  • Environmental remediation with nanomaterials
  • Pharmaceutical and antibiotic environmental impacts
  • Water treatment and disinfection
  • TiO2 photocatalysis and solar cells
  • Catalytic processes in materials science

Dionysiou frequently published in prominent venues such as Chemical Engineering Journal, Water Research, Applied Catalysis B: Environmental, Journal of Hazardous Materials, and SSRN Electronic Journal. Their publication record was substantial, with key papers including:

  • "Heterogeneous Fenton catalysts: A review of recent advances" (2020), Journal of Hazardous Materials
  • "Merits and Limitations of Radical vs. Nonradical Pathways in Persulfate-Based Advanced Oxidation Processes" (2023), Environmental Science & Technology
  • "What is the role of light in persulfate-based advanced oxidation for water treatment?" (2020), Water Research
  • "Overlooked Formation of H2O2 during the Hydroxyl Radical-Scavenging Process When Using Alcohols as Scavengers" (2022), Environmental Science & Technology
  • "Roles of oxygen-containing functional groups of O-doped g-C3N4 in catalytic ozonation: Quantitative relationship and first-principles investigation" (2021), Applied Catalysis B: Environmental

Dionysiou worked collaboratively with frequent co-authors such as Ruiyang Xiao, Richard Spinney, Zongsu Wei, Mallikarjuna N. Nadagouda, and Xiaodi Duan. This reflects a network of research partnerships across various projects.

Throughout their career, Dionysiou received several recognitions including being named a Fellow of the American Chemical Society in 2015, a Member of the European Academy of Sciences in 2018, and a Fellow of the Association of Environmental Engineering and Science Professors (AEESP).

Best Publications

  • A review on the visible light active titanium dioxide photocatalysts for environmental applications

    M Pelaez;NT Nolan;SC Pillai;MK Seery

  • Radical generation by the interaction of transition metals with common oxidants.

    George P Anipsitakis;Dionysios D Dionysiou

  • Degradation of organic contaminants in water with sulfate radicals generated by the conjunction of peroxymonosulfate with cobalt.

    George P. Anipsitakis;Dionysios D. Dionysiou

  • Chemistry of persulfates in water and wastewater treatment: A review

    Stanisław Wacławek;Holger V. Lutze;Klaudiusz Grübel;Vinod V.T. Padil

  • The use of zero-valent iron for groundwater remediation and wastewater treatment: a review.

    Fenglian Fu;Dionysios D. Dionysiou;Hong Liu

  • Sulfate radical-based ferrous-peroxymonosulfate oxidative system for PCBs degradation in aqueous and sediment systems

    Aditya Rastogi;Souhail R. Al-Abed;Dionysios D. Dionysiou

  • Self-Cleaning Applications of TiO2 by Photo-Induced Hydrophilicity and Photocatalysis

    Swagata Banerjee;Dionysios D. Dionysiou;Suresh C. Pillai

  • Cobalt-mediated activation of peroxymonosulfate and sulfate radical attack on phenolic compounds. implications of chloride ions.

    George P Anipsitakis;Dionysios D Dionysiou;Michael A Gonzalez

  • Sources and remediation for mercury contamination in aquatic systems: a literature review

    Qianrui Wang;Daekeun Kim;Dionysios D. Dionysiou;George A. Sorial

  • Manipulation of persistent free radicals in biochar to activate persulfate for contaminant degradation.

    Guodong Fang;Cun Liu;Juan Gao;Dionysios D. Dionysiou

  • Activation of persulfate by quinones: free radical reactions and implication for the degradation of PCBs.

    Guodong Fang;Juan Gao;Dionysios D. Dionysiou;Cun Liu

  • New Insights into the Mechanism of Visible Light Photocatalysis

    Swagata Banerjee;Suresh C. Pillai;Polycarpos Falaras;Kevin E. O’Shea

  • Key Role of Persistent Free Radicals in Hydrogen Peroxide Activation by Biochar: Implications to Organic Contaminant Degradation

    Guodong Fang;Juan Gao;Cun Liu;Dionysios D. Dionysiou

  • Heterogeneous Fenton catalysts: A review of recent advances.

    Nishanth Thomas;Dionysios D. Dionysiou;Suresh C. Pillai

  • Opportunities and challenges in sustainable treatment and resource reuse of sewage sludge: A review

    Abdul Raheem;Vineet Singh Sikarwar;Jun He;Wafa Dastyar

  • Transition metal/UV-based advanced oxidation technologies for water decontamination

    George P. Anipsitakis;Dionysios D. Dionysiou

  • The Technology Horizon for Photocatalytic Water Treatment: Sunrise or Sunset?

    Stephanie K. Loeb;Pedro J.J. Alvarez;Jonathon A. Brame;Ezra L. Cates

  • Degradation of microcystin-LR using sulfate radicals generated through photolysis, thermolysis and e− transfer mechanisms

    Maria G. Antoniou;Armah A. de la Cruz;Dionysios D. Dionysiou

  • Sol–gel preparation of mesoporous photocatalytic TiO2 films and TiO2/Al2O3 composite membranes for environmental applications

    Hyeok Choi;Elias Stathatos;Dionysios D. Dionysiou

  • Oxidative removal of Bisphenol A by UV-C/peroxymonosulfate (PMS): Kinetics, influence of co-existing chemicals and degradation pathway

    Jyoti Sharma;I.M. Mishra;Dionysios D. Dionysiou;Vineet Kumar;Vineet Kumar

  • A Review of Solar and Visible Light Active TiO2 Photocatalysis for Treating Bacteria, Cyanotoxins and Contaminants of Emerging Concern

    Rachel Fagan;Declan E. McCormack;Dionysios D. Dionysiou;Suresh C. Pillai

  • Iron–cobalt mixed oxide nanocatalysts: Heterogeneous peroxymonosulfate activation, cobalt leaching, and ferromagnetic properties for environmental applications

    Qiujing Yang;Hyeok Choi;Souhail R. Al-Abed;Dionysios D. Dionysiou

Frequent Co-Authors

Kevin E. O'Shea
Kevin E. O'Shea Florida International University
Mallikarjuna N. Nadagouda
Mallikarjuna N. Nadagouda Environmental Protection Agency
Polycarpos Falaras
Polycarpos Falaras National Centre of Scientific Research Demokritos
Zongsu Wei
Zongsu Wei Aarhus University
Suresh C. Pillai
Suresh C. Pillai Atlantic Technological University
Ruiyang Xiao
Ruiyang Xiao Central South University
Javed Khan
Javed Khan National Institutes of Health
Makram T. Suidan
Makram T. Suidan University of Cincinnati
Dongmei Zhou
Dongmei Zhou Nanjing University
Vlassis Likodimos
Vlassis Likodimos National and Kapodistrian University of Athens

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