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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 58 10880 9822 2979 2445 208 9139

Michael P. Harold publications per year

The chart shows the history of publications by Michael P. Harold between 1982 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Michael P. Harold published across 45 years, from 1982 to 2026, averaging 5.5 papers a year. Output peaked at 16 publications in 2012. 8 of the 247 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1982 to 2026. Vertical axis: number of publications, 0 to 16. Peak 16 publications in 2012. 1982: 1 publication 1983: 0 publications 1984: 0 publications 1985: 1 publication 1986: 0 publications 1987: 5 publications 1988: 4 publications 1989: 1 publication 1990: 1 publication 1991: 9 publications 1992: 3 publications 1993: 7 publications 1994: 3 publications 1995: 2 publications 1996: 5 publications 1997: 6 publications 1998: 4 publications 1999: 2 publications 2000: 2 publications 2001: 1 publication 2002: 0 publications 2003: 1 publication 2004: 8 publications 2005: 4 publications 2006: 3 publications 2007: 7 publications 2008: 5 publications 2009: 10 publications 2010: 9 publications 2011: 10 publications 2012: 16 publications 2013: 12 publications 2014: 8 publications 2015: 9 publications 2016: 6 publications 2017: 12 publications 2018: 9 publications 2019: 11 publications 2020: 8 publications 2021: 13 publications 2022: 5 publications 2023: 8 publications 2024: 8 publications 2025: 7 publications 2026: 1 publication
1982 2026

247 publications in total across all disciplines

View publications per year as a table
Michael P. Harold: publications per year, 1982 to 2026
Year Publications
1982 1
1983 0
1984 0
1985 1
1986 0
1987 5
1988 4
1989 1
1990 1
1991 9
1992 3
1993 7
1994 3
1995 2
1996 5
1997 6
1998 4
1999 2
2000 2
2001 1
2002 0
2003 1
2004 8
2005 4
2006 3
2007 7
2008 5
2009 10
2010 9
2011 10
2012 16
2013 12
2014 8
2015 9
2016 6
2017 12
2018 9
2019 11
2020 8
2021 13
2022 5
2023 8
2024 8
2025 7
2026 1
Total 247
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Michael P. Harold publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where Michael P. Harold sits on this spectrum.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 63 bars. Horizontal axis: publications, 61–80 to 1,295+. Vertical axis: number of scientists, 0 to 1,350. Most scientists, 1,350, have 161–180 publications. The last bar groups every scientist with 1,295 publications or more. The highlighted bar, 201–220 publications, is where this scientist sits. 61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61–80 publications 1,295+

This scientist: 208 publications — 35th percentile

35% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

View publications distribution as a table
Number of Chemistry scientists by publication count, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
Publications Scientists This scientist
61–80 66
81–100 302
101–120 623
121–140 918
141–160 1,218
161–180 1,350
181–200 1,344
201–220 1,281 208
221–240 1,216
241–260 1,100
261–280 979
281–300 939
301–320 764
321–340 643
341–360 628
361–380 522
381–400 459
401–420 397
421–440 327
441–460 270
461–480 265
481–500 252
501–520 201
521–540 185
541–560 148
561–580 148
581–600 132
601–620 114
621–640 104
641–660 91
661–680 92
681–700 73
701–720 57
721–740 54
741–760 67
761–780 45
781–800 46
801–820 39
821–840 32
841–860 36
861–880 29
881–900 26
901–920 24
921–940 14
941–960 23
961–980 28
981–1,000 15
1,001–1,020 29
1,021–1,040 12
1,041–1,060 19
1,061–1,080 12
1,081–1,100 6
1,101–1,120 8
1,121–1,140 12
1,141–1,160 5
1,161–1,180 6
1,181–1,200 14
1,201–1,220 7
1,221–1,240 2
1,241–1,260 6
1,261–1,280 4
1,281–1,294 6
1,295+ 100
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Michael P. Harold D-index placement in Chemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Chemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Michael P. Harold sits on this spectrum.

No. of scientists
250 500 750 1,000
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 159+. Vertical axis: number of scientists, 0 to 1,051. Most scientists, 1,051, have 56–57 D-Index. The last bar groups every scientist with 159 D-Index or more. The highlighted bar, 58–59 D-Index, is where this scientist sits. 40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40–41 D-Index 159+

This scientist: 58 D-Index — 42nd percentile

42% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

View D-Index distribution as a table
Number of Chemistry scientists by D-index, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
D-Index Scientists This scientist
40–41 289
42–43 612
44–45 808
46–47 776
48–49 835
50–51 861
52–53 872
54–55 933
56–57 1,051
58–59 930 58
60–61 882
62–63 834
64–65 731
66–67 775
68–69 683
70–71 646
72–73 561
74–75 501
76–77 437
78–79 388
80–81 354
82–83 292
84–85 275
86–87 254
88–89 235
90–91 185
92–93 192
94–95 155
96–97 163
98–99 125
100–101 105
102–103 105
104–105 112
106–107 88
108–109 68
110–111 69
112–113 65
114–115 79
116–117 61
118–119 44
120–121 37
122–123 40
124–125 33
126–127 26
128–129 34
130–131 35
132–133 25
134–135 27
136–137 17
138–139 16
140–141 20
142–143 20
144–145 15
146–147 9
148–149 9
150–151 16
152–153 11
154–155 9
156–157 3
158 3
159+ 98
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Overview

Michael P. Harold is affiliated with the University of Houston in the United States. Their research spans the fields of Chemical Engineering and Materials Science, with significant contributions to the subfields of Catalysis, Materials Chemistry, Mechanical Engineering, Renewable Energy, Sustainability and the Environment, and Organic Chemistry.

The scientist's main topics of study include Catalytic Processes in Materials Science, Catalysis and Oxidation Reactions, Ammonia Synthesis and Nitrogen Reduction, Industrial Gas Emission Control, Catalysts for Methane Reforming, Electrocatalysts for Energy Conversion, and Advancements in Solid Oxide Fuel Cells.

Frequent collaboration partners in their research include Lars C. Grabow, Pak Wing Chen, Praveen Bollini, Mugdha Ambast, and Kyle Karinshak.

The most common venues for publication are the Chemical Engineering Journal, Catalysis Today, AIChE Journal, ACS Engineering Au, and Applied Catalysis B: Environmental.

Recent scientific papers authored or co-authored by Michael P. Harold include:

  • Decarbonization of the chemical industry through electrification: Barriers and opportunities, 2023, Joule
  • NOx uptake and release on Pd/SSZ-13: Impact Of Feed composition and temperature, 2020, Catalysis Today
  • Passive NOx adsorption on Pd/H-ZSM-5: Experiments and modeling, 2020, Applied Catalysis B: Environmental
  • Enhanced Selective Oxidation of Ammonia in a Pt/Al2O3@Cu/ZSM-5 Core-Shell Catalyst, 2020, ACS Catalysis
  • In situ Activation of Bimetallic Pd−Pt Methane Oxidation Catalysts, 2020, ChemCatChem

Best Publications

  • Micromachined Reactors for Catalytic Partial Oxidation Reactions

    Ravi Srinivasan;I-Ming Hsing;Peter E. Berger;Klavs F. Jensen

  • Experimental and kinetic modeling study of NH3-SCR of NOx on Fe-ZSM-5, Cu-chabazite and combined Fe- and Cu-zeolite monolithic catalysts

    Pranit S. Metkar;Pranit S. Metkar;Michael P. Harold;Vemuri Balakotaiah

  • Experimental and kinetic study of NO oxidation on model Pt catalysts

    Divesh Bhatia;Robert W. McCabe;Michael P. Harold;Vemuri Balakotaiah

  • Selective catalytic reduction of NO with NH3 on iron zeolite monolithic catalysts: Steady-state and transient kinetics

    Pranit S. Metkar;Nelson Salazar;Rachel Muncrief;Vemuri Balakotaiah

  • Selective catalytic reduction of NOx on combined Fe- and Cu-zeolite monolithic catalysts: Sequential and dual layer configurations

    Pranit S. Metkar;Michael P. Harold;Vemuri Balakotaiah

  • Experimental and kinetic modeling study of NO oxidation: Comparison of Fe and Cu-zeolite catalysts

    Pranit S. Metkar;Vemuri Balakotaiah;Michael P. Harold

  • NOX storage and reduction on a Pt/BaO/alumina monolithic storage catalyst

    Karen S. Kabin;Rachel L. Muncrief;Michael P. Harold

  • Fast pyrolysis of microalgae in a falling solids reactor: Effects of process variables and zeolite catalysts

    Alejandrina Campanella;Michael P. Harold

  • Thermochemical conversion of low-lipid microalgae for the production of liquid fuels: challenges and opportunities

    Yu Chen;Yulong Wu;Derun Hua;Chun Li

  • Pt dispersion effects during NOx storage and reduction on Pt/BaO/Al2O3 catalysts

    Robert D. Clayton;Michael P. Harold;Vemuri Balakotaiah;C.Z. Wan

  • Overall mass transfer coefficients and controlling regimes in catalytic monoliths

    Saurabh Y. Joshi;Michael P. Harold;Vemuri Balakotaiah

  • Electroless plating and permeation features of Pd and Pd/Ag hollow fiber composite membranes

    Balamurali Krishna R. Nair;Jun Choi;Michael P. Harold

  • NOx storage and reduction with H2 on Pt/BaO/Al2O3 monolith : Spatio-temporal resolution of product distribution

    Robert D. Clayton;Michael P. Harold;Vemuri Balakotaiah

  • Methanol steam reforming in single-fiber packed bed Pd–Ag membrane reactor: Experiments and modeling

    Sameer H. Israni;Michael P. Harold

  • Comparison of conventional and membrane reactor fuel processors for hydrocarbon-based PEM fuel cell systems

    James R. Lattner;Michael P. Harold

  • Experimental study of mass transfer limitations in Fe- and Cu-zeolite-based NH3-SCR monolithic catalysts

    Pranit S. Metkar;Vemuri Balakotaiah;Michael P. Harold

  • Co-oxidation of CO and propylene on Pd/CeO2-ZrO2 and Pd/Al2O3 monolith catalysts: A light-off, kinetics, and mechanistic study

    Wendy Lang;Paul Laing;Yisun Cheng;Carolyn Hubbard

  • Hydrogen generation in a Pd membrane fuel processor: assessment of methanol-based reaction systems

    Michael P. Harold;Balamurali Nair;Gregor Kolios

  • Monolith and TAP reactor studies of NOX storage on Pt/BaO/Al2O3: Elucidating the mechanistic pathways and roles of Pt

    Karen S. Kabin;Pranav Khanna;Rachel L. Muncrief;Vinay Medhekar

  • Thermolysis of microalgae and duckweed in a CO2-swept fixed-bed reactor: bio-oil yield and compositional effects.

    Alejandrina Campanella;Rachel Muncrief;Michael P. Harold;David C. Griffith

  • Simulation of micromachined chemical reactors for heterogeneous partial oxidation reactions

    I. Ming Hsing;Ravi Srinivasan;Michael P. Harold;Klavs F. Jensen

Frequent Co-Authors

Vemuri Balakotaiah
Vemuri Balakotaiah University of Houston
Dan Luss
Dan Luss University of Houston
Ka Ming Ng
Ka Ming Ng Hong Kong University of Science and Technology
I-Ming Hsing
I-Ming Hsing Hong Kong University of Science and Technology
Ashok Kumar
Ashok Kumar University of Houston
Klaas Keizer
Klaas Keizer University of Twente
Anthonie Burggraaf
Anthonie Burggraaf University of Twente

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