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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 112 748 661 300 238 449 40694

John C. Crittenden publications per year

The chart shows the history of publications by John C. Crittenden between 1969 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. John C. Crittenden published across 57 years, from 1969 to 2025, averaging 11.4 papers a year. Output peaked at 56 publications in 2021. 47 of the 651 publications appeared in the last two years.

No. of publications
10 20 30 40 50
Bar chart. Horizontal axis: year, 1969 to 2025. Vertical axis: number of publications, 0 to 56. Peak 56 publications in 2021. 1969: 2 publications 1970: 0 publications 1971: 0 publications 1972: 0 publications 1973: 0 publications 1974: 0 publications 1975: 0 publications 1976: 0 publications 1977: 1 publication 1978: 3 publications 1979: 1 publication 1980: 2 publications 1981: 4 publications 1982: 2 publications 1983: 3 publications 1984: 3 publications 1985: 3 publications 1986: 7 publications 1987: 5 publications 1988: 2 publications 1989: 4 publications 1990: 1 publication 1991: 3 publications 1992: 0 publications 1993: 6 publications 1994: 4 publications 1995: 5 publications 1996: 5 publications 1997: 3 publications 1998: 1 publication 1999: 6 publications 2000: 3 publications 2001: 1 publication 2002: 4 publications 2003: 8 publications 2004: 2 publications 2005: 4 publications 2006: 6 publications 2007: 12 publications 2008: 14 publications 2009: 20 publications 2010: 11 publications 2011: 11 publications 2012: 31 publications 2013: 13 publications 2014: 21 publications 2015: 33 publications 2016: 33 publications 2017: 34 publications 2018: 42 publications 2019: 50 publications 2020: 40 publications 2021: 56 publications 2022: 45 publications 2023: 34 publications 2024: 33 publications 2025: 14 publications
1969 2025

651 publications in total across all disciplines

View publications per year as a table
John C. Crittenden: publications per year, 1969 to 2025
Year Publications
1969 2
1970 0
1971 0
1972 0
1973 0
1974 0
1975 0
1976 0
1977 1
1978 3
1979 1
1980 2
1981 4
1982 2
1983 3
1984 3
1985 3
1986 7
1987 5
1988 2
1989 4
1990 1
1991 3
1992 0
1993 6
1994 4
1995 5
1996 5
1997 3
1998 1
1999 6
2000 3
2001 1
2002 4
2003 8
2004 2
2005 4
2006 6
2007 12
2008 14
2009 20
2010 11
2011 11
2012 31
2013 13
2014 21
2015 33
2016 33
2017 34
2018 42
2019 50
2020 40
2021 56
2022 45
2023 34
2024 33
2025 14
Total 651
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John C. Crittenden publications per year - data summary

  • John C. Crittenden, a Chemistry scholar from Georgia Institute of Technology, has 651 publications recorded across 57 years, from 1969 to 2025.
  • The oldest publication on record dates to 1969 and the most recent to 2025.
  • The most productive year is 2021, with 56 publications.
  • The least productive years with any output are 1977, 1979, 1990, 1998 and others, with 1 publication each.
  • 8 of the 57 years in the span carry no publications at all (1970, 1971, 1972, 1973 and others).
  • The rate of publication averages 11.4 papers per year over the whole span, or 13.3 per year counting only the 49 years with at least one publication.
  • The last 5 years on the chart (2021-2025) hold 182 publications, 28% of the career total.
  • Split into equal eras - 1969-1987: 36 publications (1.9 per year); 1988-2006: 68 publications (3.6 per year); 2007-2025: 547 publications (28.8 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

John C. Crittenden 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 John C. Crittenden 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, 441–460 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: 449 publications — 85th percentile

85% 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
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
441–460 270 449
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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John C. Crittenden publication distribution in Chemistry in 2026 - data summary

  • The chart plots the publication count of all 17,934 Chemistry scientists ranked by Research.com in 2026, grouped into 63 ranges running from 61–80 to 1,295+ publications.
  • John C. Crittenden, a Chemistry scholar from Georgia Institute of Technology, records 449 publications - the 85th percentile of the discipline.
  • 85% of ranked Chemistry scientists score the same or lower than John C. Crittenden, and about 15% score higher.
  • The median of the discipline falls in the 241–260 publications range, and John C. Crittenden ranks above the median.
  • The most crowded range is 161–180 publications, holding 1,350 scientists (8% of the field).
  • 77% of the field sits in the lowest quarter of the value range (up to 361–380 publications), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 1,295 publications or more, 100 scientists in all (<1% of the field).

John C. Crittenden 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 John C. Crittenden 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, 112–113 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: 112 D-Index — 96th percentile

96% 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
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 65 112
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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John C. Crittenden D-index placement in Chemistry in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 17,934 Chemistry scientists ranked by Research.com in 2026, grouped into 61 ranges running from 40–41 to 159+ D-Index.
  • John C. Crittenden, a Chemistry scholar from Georgia Institute of Technology, records 112 D-Index - the 96th percentile of the discipline.
  • 96% of ranked Chemistry scientists score the same or lower than John C. Crittenden, and about 4% score higher.
  • The median of the discipline falls in the 62–63 D-Index range, and John C. Crittenden ranks above the median.
  • The most crowded range is 56–57 D-Index, holding 1,051 scientists (6% of the field).
  • 70% of the field sits in the lowest quarter of the value range (up to 70–71 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 159 D-Index or more, 98 scientists in all (<1% of the field).

Research.com Recognitions

  • 2002 - Member of the National Academy of Engineering For the development of theory and the application of processes for removing toxic organic compounds from air and drinking water.

Overview

John C. Crittenden is affiliated with the Georgia Institute of Technology in the United States. Their research primarily focuses on Environmental Science and Engineering, with notable contributions to Water Science and Technology, Materials Chemistry, Renewable Energy, Sustainability and the Environment, Biomedical Engineering, and Industrial and Manufacturing Engineering.

The scientist's research covers several specialized topics including:

  • Advanced Photocatalysis Techniques
  • Advanced oxidation water treatment
  • Membrane Separation Technologies
  • Catalytic Processes in Materials Science
  • Environmental remediation with nanomaterials
  • Nanomaterials for catalytic reactions
  • Water Treatment and Disinfection

Some of their recent publications include:

  • Electrocatalytic nitrate reduction to ammonia on defective Au1Cu (111) single-atom alloys, 2022, Applied Catalysis B: Environmental
  • Accelerating Fe(Ⅲ)/Fe(Ⅱ) cycle via Fe(Ⅱ) substitution for enhancing Fenton-like performance of Fe-MOFs, 2020, Applied Catalysis B: Environmental
  • Multipollutant Control (MPC) of Flue Gas from Stationary Sources Using SCR Technology: A Critical Review, 2021, Environmental Science & Technology
  • A Critical Review of Membrane Wettability in Membrane Distillation from the Perspective of Interfacial Interactions, 2020, Environmental Science & Technology
  • Toward the Next Generation of Sustainable Membranes from Green Chemistry Principles, 2020, ACS Sustainable Chemistry & Engineering

Frequent coauthors in their work are:

  • Xin Tong
  • Dong Wang
  • Su Liu
  • Yongsheng Chen
  • Linling Wang

The most common venues for their publications are:

  • Environmental Science & Technology
  • Chemical Engineering Journal
  • SSRN Electronic Journal
  • Journal of Hazardous Materials
  • Applied Catalysis B: Environmental

John C. Crittenden has been recognized as a Member of the National Academy of Engineering since 2002, awarded for the development of theory and the application of processes for removing toxic organic compounds from air and drinking water.

Best Publications

  • MWH's Water Treatment: Principles and Design

    John C. Crittenden;R. Rhodes Trussell;David W. Hand;Kerry J. Howe

  • Stability of commercial metal oxide nanoparticles in water.

    Yang Zhang;Yongsheng Chen;Paul Westerhoff;Kiril Hristovski

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

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

  • Impact of natural organic matter and divalent cations on the stability of aqueous nanoparticles

    Yang Zhang;Yongsheng Chen;Paul Westerhoff;John Crittenden

  • A kinetic model for H2O2/UV process in a completely mixed batch reactor

    John C. Crittenden;Shumin Hu;David W. Hand;Sarah A. Green

  • Surface Chemistry of Active Carbon: Specific Adsorption of Phenols

    James A Mattson;Harry B Mark;Michael D Malbin;Walter J Weber

  • Enhanced bioaccumulation of cadmium in carp in the presence of titanium dioxide nanoparticles.

    Xuezhi Zhang;Hongwen Sun;Zhiyan Zhang;Qian Niu

  • A Critical Review on Energy Conversion and Environmental Remediation of Photocatalysts with Remodeling Crystal Lattice, Surface, and Interface

    Jinming Luo;Shuqu Zhang;Meng Sun;Lixia Yang

  • Preparation of a novel TiO2-based p-n junction nanotube photocatalyst.

    Yongsheng Chen;John C Crittenden;Stephen Hackney;Larry Sutter

  • Experimental and modeling investigations of ball-milled biochar for the removal of aqueous methylene blue

    Honghong Lyu;Honghong Lyu;Honghong Lyu;Bin Gao;Feng He;Andrew R. Zimmerman

  • Perfluorooctanoic Acid Degradation Using UV–Persulfate Process: Modeling of the Degradation and Chlorate Formation

    Yajie Qian;Xin Guo;Yalei Zhang;Yue Peng

  • Transport of Organic Compounds With Saturated Groundwater Flow: Model Development and Parameter Sensitivity

    John C. Crittenden;Neil J. Hutzler;David G. Geyer;Jacqueline L. Oravitz

  • Interactions between nano/micro plastics and suspended sediment in water: Implications on aggregation and settling.

    Yang Li;Yang Li;Xinjie Wang;Wanyi Fu;Xinghui Xia

  • Efficient heavy metal removal from industrial melting effluent using fixed-bed process based on porous hydrogel adsorbents

    Guiyin Zhou;Jinming Luo;Chengbin Liu;Lin Chu

  • PREDICTING GAC PERFORMANCE WITH RAPID SMALL-SCALE COLUMN TESTS

    John C. Crittenden;Parimi Sanjay Reddy;Harish Arora;John Trynoski

  • Potential and implemented membrane-based technologies for the treatment and reuse of flowback and produced water from shale gas and oil plays: A review

    Haiqing Chang;Tong Li;Baicang Liu;Radisav D. Vidic

  • Fixed-bed photocatalysts for solar decontamination of water.

    Yin. Zhang;John C. Crittenden;David W. Hand;David L. Perram

  • Prediction of multicomponent adsorption equilibria using ideal adsorbed solution theory.

    David W. Hand;Scott. Loper;Metin. Ari;John C. Crittenden

  • Structural Changes of γ-Al2O3-Supported Catalysts in Hot Liquid Water

    Ryan M. Ravenelle;John R. Copeland;Wun-Gwi Kim;John C. Crittenden

  • Design of rapid small-scale adsorption tests for a constant diffusivity

    J. C. Crittenden;J. K. Berrigan;D. W. Hand

  • Predictive Model for Design of Fixed-Bed Adsorbers: Parameter Estimation and Model Development

    John C. Crittenden;Walter J. Weber

Frequent Co-Authors

Yongsheng Chen
Yongsheng Chen Nankai University
Jinming Luo
Jinming Luo Shanghai Jiao Tong University
Yue Peng
Yue Peng Tsinghua University
Paul Westerhoff
Paul Westerhoff Arizona State University
Junhua Li
Junhua Li Tsinghua University
George Tchobanoglous
George Tchobanoglous University of California, Davis
Jiming Hao
Jiming Hao Tsinghua University
Junfeng Niu
Junfeng Niu North China Electric Power University
Ming Xu
Ming Xu University of Michigan–Ann Arbor
James R. Mihelcic
James R. Mihelcic University of South Florida

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