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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Materials Science 81 2521 2433 107 104 287 40232
Chemistry 81 3180 2871 186 174 286 40278

Donald A. Tryk publications per year

The chart shows the history of publications by Donald A. Tryk between 1964 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Donald A. Tryk published across 63 years, from 1964 to 2026, averaging 4.8 papers a year. Output peaked at 21 publications in 1999. 7 of the 302 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1964 to 2026. Vertical axis: number of publications, 0 to 21. Peak 21 publications in 1999. 1964: 1 publication 1965: 0 publications 1966: 0 publications 1967: 0 publications 1968: 0 publications 1969: 0 publications 1970: 0 publications 1971: 0 publications 1972: 0 publications 1973: 0 publications 1974: 0 publications 1975: 0 publications 1976: 0 publications 1977: 0 publications 1978: 0 publications 1979: 1 publication 1980: 0 publications 1981: 2 publications 1982: 0 publications 1983: 1 publication 1984: 1 publication 1985: 2 publications 1986: 1 publication 1987: 0 publications 1988: 1 publication 1989: 3 publications 1990: 2 publications 1991: 0 publications 1992: 1 publication 1993: 0 publications 1994: 3 publications 1995: 13 publications 1996: 6 publications 1997: 8 publications 1998: 20 publications 1999: 21 publications 2000: 19 publications 2001: 15 publications 2002: 21 publications 2003: 8 publications 2004: 2 publications 2005: 10 publications 2006: 8 publications 2007: 11 publications 2008: 7 publications 2009: 12 publications 2010: 8 publications 2011: 10 publications 2012: 3 publications 2013: 9 publications 2014: 9 publications 2015: 2 publications 2016: 7 publications 2017: 7 publications 2018: 3 publications 2019: 3 publications 2020: 6 publications 2021: 4 publications 2022: 7 publications 2023: 11 publications 2024: 6 publications 2025: 6 publications 2026: 1 publication
1964 2026

302 publications in total across all disciplines

View publications per year as a table
Donald A. Tryk: publications per year, 1964 to 2026
Year Publications
1964 1
1965 0
1966 0
1967 0
1968 0
1969 0
1970 0
1971 0
1972 0
1973 0
1974 0
1975 0
1976 0
1977 0
1978 0
1979 1
1980 0
1981 2
1982 0
1983 1
1984 1
1985 2
1986 1
1987 0
1988 1
1989 3
1990 2
1991 0
1992 1
1993 0
1994 3
1995 13
1996 6
1997 8
1998 20
1999 21
2000 19
2001 15
2002 21
2003 8
2004 2
2005 10
2006 8
2007 11
2008 7
2009 12
2010 8
2011 10
2012 3
2013 9
2014 9
2015 2
2016 7
2017 7
2018 3
2019 3
2020 6
2021 4
2022 7
2023 11
2024 6
2025 6
2026 1
Total 302
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Donald A. Tryk 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 Donald A. Tryk sits on this spectrum.

No. of scientists
200 400 600 800
Bar chart with 57 bars. Horizontal axis: publications, 50–69 to 1,163+. Vertical axis: number of scientists, 0 to 891. Most scientists, 891, have 190–209 publications. The last bar groups every scientist with 1,163 publications or more. The highlighted bar, 270–289 publications, is where this scientist sits. 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
50–69 publications 1,163+

This scientist: 287 publications — 57th percentile

57% of scientists in this discipline score the same or lower.

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

View publications distribution as a table
Number of Materials Science scientists by publication count, Research.com 2026 ranking edition. Based on 12,847 ranked scientists.
Publications Scientists This scientist
50–69 28
70–89 152
90–109 356
110–129 487
130–149 723
150–169 835
170–189 850
190–209 891
210–229 862
230–249 766
250–269 726
270–289 665 287
290–309 593
310–329 537
330–349 477
350–369 440
370–389 356
390–409 321
410–429 256
430–449 246
450–469 216
470–489 212
490–509 174
510–529 194
530–549 162
550–569 131
570–589 111
590–609 103
610–629 99
630–649 77
650–669 92
670–689 56
690–709 53
710–729 53
730–749 38
750–769 52
770–789 43
790–809 38
810–829 34
830–849 25
850–869 18
870–889 20
890–909 24
910–929 27
930–949 20
950–969 17
970–989 10
990–1,009 16
1,010–1,029 13
1,030–1,049 12
1,050–1,069 9
1,070–1,089 8
1,090–1,109 7
1,110–1,129 9
1,130–1,149 2
1,150–1,162 5
1,163+ 100
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Donald A. Tryk 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 Donald A. Tryk sits on this spectrum.

No. of scientists
200 400 600
Bar chart with 64 bars. Horizontal axis: D-Index, 40–41 to 165+. Vertical axis: number of scientists, 0 to 667. Most scientists, 667, have 52–53 D-Index. The last bar groups every scientist with 165 D-Index or more. The highlighted bar, 80–81 D-Index, is where this scientist sits. 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
40–41 D-Index 165+

This scientist: 81 D-Index — 80th percentile

80% of scientists in this discipline score the same or lower.

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

View D-Index distribution as a table
Number of Materials Science scientists by D-index, Research.com 2026 ranking edition. Based on 12,847 ranked scientists.
D-Index Scientists This scientist
40–41 211
42–43 450
44–45 612
46–47 612
48–49 598
50–51 657
52–53 667
54–55 621
56–57 597
58–59 610
60–61 587
62–63 606
64–65 533
66–67 490
68–69 469
70–71 378
72–73 421
74–75 359
76–77 323
78–79 299
80–81 230 81
82–83 210
84–85 195
86–87 203
88–89 175
90–91 175
92–93 142
94–95 121
96–97 117
98–99 107
100–101 88
102–103 85
104–105 68
106–107 62
108–109 57
110–111 45
112–113 49
114–115 50
116–117 34
118–119 38
120–121 37
122–123 29
124–125 28
126–127 24
128–129 33
130–131 28
132–133 21
134–135 20
136–137 23
138–139 17
140–141 12
142–143 17
144–145 21
146–147 13
148–149 11
150–151 14
152–153 13
154–155 9
156–157 10
158–159 7
160–161 4
162–163 4
164 3
165+ 98
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Overview

Donald A. Tryk is affiliated with the University of Yamanashi in Japan. Their research primarily focuses on engineering and energy, with a significant specialization in electrical and electronic engineering as well as renewable energy, sustainability, and materials chemistry.

Their work encompasses various subjects within engineering and material sciences, including electrocatalysts for energy conversion, fuel cells and related materials, advanced battery technologies, and membrane-based ion separation techniques. Other research topics include catalytic processes in materials science, electrochemical analysis and applications, and advancements in solid oxide fuel cells.

Donald A. Tryk has contributed to a range of scientific publications, notable papers include:

  • Temperature Dependence of Oxygen Evolution Reaction Activity in Alkaline Solution at Ni-Co Oxide Catalysts with Amorphous/Crystalline Surfaces (2022, ACS Catalysis)
  • Temperature Dependence of Oxygen Reduction Activity at Pt/Nb-Doped SnO2 Catalysts with Varied Pt Loading (2021, ACS Catalysis)
  • NiFe Alloy Integrated with Amorphous/Crystalline NiFe Oxide as an Electrocatalyst for Alkaline Hydrogen and Oxygen Evolution Reactions (2023, ACS Omega)
  • Nanorod Structuring of IrOx on a Unique Microstructure of Sb-Doped Tin Oxide to Dramatically Boost the Oxygen Evolution Reaction Activity for PEM Water Electrolysis (2023, ACS Catalysis)
  • Unparalleled mitigation of membrane degradation in fuel cells via a counter-intuitive approach: suppression of H2O2 production at the hydrogen anode using a Ptskin-PtCo catalyst (2020, Journal of Materials Chemistry A)

Frequent coauthors collaborating with Donald A. Tryk include:

  • Makoto Uchida
  • Katsuyoshi Kakinuma
  • Akihiro Iiyama
  • Guoyu Shi
  • Tetsuro Tano

Donald A. Tryk has published multiple studies across several venues, frequently contributing to ECS Meeting Abstracts and ACS Catalysis as well as the Journal of Power Sources, ACS Omega, and Electrochemistry Communications.

Their research outputs demonstrate an ongoing engagement with energy conversion technologies and electrochemical applications, contributing to developments in fuel cell technology and catalysis within renewable energy frameworks.

Best Publications

  • Titanium dioxide photocatalysis

    Akira Fujishima;Tata N. Rao;Donald A. Tryk

  • TiO2 photocatalysis and related surface phenomena

    Akira Fujishima;Xintong Zhang;Donald A. Tryk

  • Heterogeneous photocatalysis: From water photolysis to applications in environmental cleanup

    Akira Fujishima;Xintong Zhang;Donald. A. Tryk

  • Recent topics in photoelectrochemistry: achievements and future prospects

    D.A Tryk;A Fujishima;K Honda

  • Heat-treated polyacrylonitrile-based catalysts for oxygen electroreduction

    S. Gupta;D. Tryk;I. Bae;W. Aldred

  • Visible Light-Sensitive Cu(II)-Grafted TiO2 Photocatalysts: Activities and X-ray Absorption Fine Structure Analyses

    Hiroshi Irie;Kazuhide Kamiya;Toshihiko Shibanuma;Shuhei Miura

  • Highly ordered TiO2 nanotube arrays with controllable length for photoelectrocatalytic degradation of phenol

    Zhaoyue Liu;Xintong Zhang;Shunsuke Nishimoto;Ming Jin

  • A Polymer Electrolyte for Operation at Temperatures up to 200°C

    R. Savinell;E. Yeager;D. Tryk;U. Landau

  • Electrochemical Behavior of Highly Conductive Boron‐Doped Diamond Electrodes for Oxygen Reduction in Alkaline Solution

    T. Yano;D. A. Tryk;K. Hashimoto;A. Fujishima

  • Voltammetric determination of L-cysteine at conductive diamond electrodes.

    Nicolae Spataru;Bulusu V. Sarada;Elena Popa;Donald A. Tryk

  • TiO2 photocatalysts and diamond electrodes

    A Fujishima;Tata N Rao;D.A Tryk

  • Electrochemical oxidation of histamine and serotonin at highly boron-doped diamond electrodes.

    B. V. Sarada;Tata N. Rao;D. A. Tryk;A. Fujishima

  • Electrochemical selectivity for redox systems at oxygen-terminated diamond electrodes ☆

    Ichizo Yagi;Hideo Notsu;Takeshi Kondo;Donald A Tryk

  • Porphyrin photochemistry in inorganic/organic hybrid materials: Clays, layered semiconductors, nanotubes, and mesoporous materials

    Shinsuke Takagi;Miharu Eguchi;Miharu Eguchi;Donald A. Tryk;Haruo Inoue

  • Superhydrophobic TiO2 Surfaces: Preparation, Photocatalytic Wettability Conversion, and Superhydrophobic-Superhydrophilic Patterning

    Xintong Zhang;Min Jin;Zhaoyue Liu;Donald A. Tryk

  • Binary cooperative complementary nanoscale interfacial materials

    L. Jiang;R. Wang;B. Yang;T. J. Li

  • Autoxidation of Acetaldehyde Initiated by TiO2 Photocatalysis under Weak UV Illumination

    Yoshihisa Ohko;Donald A. Tryk;and Kazuhito Hashimoto;Akira Fujishima

  • Facile fabrication and photocatalytic application of Ag nanoparticles-TiO2 nanofiber composites.

    Kakarla Raghava Reddy;Kazuya Nakata;Tsuyoshi Ochiai;Taketoshi Murakami

  • Selective voltammetric and amperometric detection of uric acid with oxidized diamond film electrodes.

    Elena Popa;Yoshinobu Kubota;Donald A. Tryk;Akira Fujishima

  • Anodic Voltammetry of Xanthine, Theophylline, Theobromine and Caffeine at Conductive Diamond Electrodes and Its Analytical Application

    Nicolae Spãtaru;Bulusu V. Sarada;Donald A. Tryk;Akira Fujishima

  • Selective Electrochemical Detection of Dopamine in the Presence of Ascorbic Acid at Anodized Diamond Thin Film Electrodes

    E. Popa;H. Notsu;T. Miwa;D. A. Tryk

Frequent Co-Authors

Akira Fujishima
Akira Fujishima University of Shanghai for Science and Technology
Kazuhito Hashimoto
Kazuhito Hashimoto National Institute for Materials Science
Hiroyuki Uchida
Hiroyuki Uchida University of Yamanashi
Masahiro Watanabe
Masahiro Watanabe University of Yamanashi
Carlos R. Cabrera
Carlos R. Cabrera University of Puerto Rico at Río Piedras
Xintong Zhang
Xintong Zhang Northeast Normal University
Makoto Uchida
Makoto Uchida University of Yamanashi
Kazuya Nakata
Kazuya Nakata Tokyo University of Agriculture and Technology
Ayyakkannu Manivannan
Ayyakkannu Manivannan West Virginia University
Lei Jiang
Lei Jiang Chinese Academy of Sciences

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