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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 55 12428 11185 3310 2705 121 5974

John G. Brennan publications per year

The chart shows the history of publications by John G. Brennan between 1982 and 2018, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. John G. Brennan published across 37 years, from 1982 to 2018, averaging 3.3 papers a year. Output peaked at 7 publications in 1985. 6 of the 121 publications appeared in the last two years.

No. of publications
2 4 6
Bar chart. Horizontal axis: year, 1982 to 2018. Vertical axis: number of publications, 0 to 7. Peak 7 publications in 1985. 1982: 1 publication 1983: 0 publications 1984: 1 publication 1985: 7 publications 1986: 5 publications 1987: 7 publications 1988: 6 publications 1989: 5 publications 1990: 4 publications 1991: 3 publications 1992: 2 publications 1993: 5 publications 1994: 5 publications 1995: 7 publications 1996: 2 publications 1997: 4 publications 1998: 2 publications 1999: 4 publications 2000: 2 publications 2001: 3 publications 2002: 5 publications 2003: 1 publication 2004: 2 publications 2005: 5 publications 2006: 5 publications 2007: 4 publications 2008: 4 publications 2009: 2 publications 2010: 5 publications 2011: 2 publications 2012: 1 publication 2013: 1 publication 2014: 1 publication 2015: 1 publication 2016: 1 publication 2017: 1 publication 2018: 5 publications
1982 2018

121 publications in total across all disciplines

View publications per year as a table
John G. Brennan: publications per year, 1982 to 2018
Year Publications
1982 1
1983 0
1984 1
1985 7
1986 5
1987 7
1988 6
1989 5
1990 4
1991 3
1992 2
1993 5
1994 5
1995 7
1996 2
1997 4
1998 2
1999 4
2000 2
2001 3
2002 5
2003 1
2004 2
2005 5
2006 5
2007 4
2008 4
2009 2
2010 5
2011 2
2012 1
2013 1
2014 1
2015 1
2016 1
2017 1
2018 5
Total 121
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John G. Brennan 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 G. Brennan 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, 121–140 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: 121 publications — 6th percentile

6% 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
121–140 918 121
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
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 G. Brennan 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 G. Brennan 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, 54–55 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: 55 D-Index — 33rd percentile

33% 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 55
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
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

John G. Brennan is affiliated with Rutgers, The State University of New Jersey in the United States. Their research spans several fields within science and engineering, with a focus on materials chemistry, engineering, and physics and astronomy.

The scientist's main fields of study include:

  • Engineering
  • Materials Science
  • Physics and Astronomy

Within these broad areas, Brennan works on a number of specialized subfields, such as:

  • Materials Chemistry
  • Mechanics of Materials
  • Atomic and Molecular Physics, and Optics
  • Geophysics
  • Biomedical Engineering

Their research topics are diverse, focusing largely on material behavior and energetic processes, including:

  • Energetic Materials and Combustion
  • High-pressure Geophysics and Materials
  • Material Dynamics and Properties
  • High-Velocity Impact and Material Behavior
  • Crystallography and Molecular Interactions
  • Machine Learning in Materials Science
  • Spectroscopy and Quantum Chemical Studies

Brennan has authored papers published in several scientific venues. Frequent publication venues include:

  • Journal of Applied Physics
  • Journal of Chemical Theory and Computation
  • Propellants Explosives Pyrotechnics
  • Physical Chemistry Chemical Physics
  • arXiv (Cornell University)

Recent publications by Brennan include:

  • "Methane and carbon dioxide in dual-porosity organic matter: Molecular simulations of adsorption and diffusion," 2020, AIChE Journal
  • "Generalized Energy-Conserving Dissipative Particle Dynamics with Reactions," 2022, Journal of Chemical Theory and Computation
  • "Bottom-up coarse-grain modeling of nanoscale shear bands in shocked α-RDX," 2022, Journal of Materials Science
  • "Generalized energy-conserving dissipative particle dynamics revisited: Insight from the thermodynamics of the mesoparticle leading to an alternative heat flow model," 2021, Physical Review E
  • "Toward Addressing the Challenge to Predict the Heat Capacities of RDX and HMX Energetic Materials," 2022, Propellants Explosives Pyrotechnics

Brennan collaborates frequently with several researchers, with coauthors who have contributed significantly alongside them. Frequent collaborators include:

  • James P. Larentzos
  • Martin Lı́sal
  • Josep Bonet Ávalos
  • Allan D. Mackie
  • Catalin R. Picu

Best Publications

  • Electron-transfer reactions of trivalent uranium. Preparation and structure of the uranium metallocene compounds (MeC5H4)3U:NPh and [(MeC5H4)3U]2[.mu.-.eta.1,.eta.2-PhNCO]

    John G. Brennan;Richard A. Andersen

  • The preparation of large semiconductor clusters via the pyrolysis of a molecular precursor

    John G. Brennan;T. Siegrist;P. J. Carroll;S. M. Stuczynski

  • Bulk and nanostructure Group II-VI compounds from molecular organometallic precursors

    J. G. Brennan;T. Siegrist;P. J. Carroll;S. M. Stuczynski

  • Preparation of the First Molecular Carbon Monoxide Complex of Uranium, (Me3SiC5H4)3UCO

    John G. Brennan;Richard A. Andersen;John L. Robbins

  • The transition from molecules to solids: molecular syntheses of Ni9Te6(PEt3)8, Ni20Te18(PEt3)12 and NiTe

    J. G. Brennan;T. Siegrist;S. M. Stuczynski;M. L. Steigerwald

  • Chemistry of Trivalent Uranium Metallocenes: Electron-Transfer Reactions with Carbon Disulfide. Formation of [(RC5H4)3U]2[μ= η1, η2-CS2]

    John G. Brennan;Richard A. Andersen;Allan Zalkin

  • Chemistry of Trivalent Uranium Metallocenes: Electron-Transfer Reactions. Synthesis and Characterization of [(MeC5H4)3U]2E (E = S, Se, Te) and the Crystal Structures of [(MeC5H4)3U]2S and (MeC5H4)3UOPPh3

    John G. Brennan;Richard A. Andersen;Allan Zalkin

  • PYRIDINESELENOLATE COMPLEXES OF TIN AND LEAD : SN(2-SENC5H4)2, SN(2-SENC5H4)4, PB(2-SENC5H4)2, AND PB(3-ME3SI-2-SENC5H3)2. VOLATILE CVD PRECURSORS TO GROUP IV-GROUP VI SEMICONDUCTORS

    Yifeng Cheng;T. J. Emge;J. G. Brennan

  • polymeric Cd(Se-2-NC5H4)2 and Square Planar Hg(Se-2-NC5H4)2: Volatile CVD Precursors to II-VI Semiconductors

    Yifeng Cheng;T. J. Emge;J. G. Brennan

  • Cubane Clusters Containing Lanthanide Ions: (py)8Yb4Se4(SePh)4 and (py)10Yb6S6(SPh)6

    Deborah Freedman;Jonathan H. Melman;T. J. Emge;J. G. Brennan

  • Crystal structures of (MeC5H4)3ML [M = uranium or cerium; L = quinuclidine or P(OCH2)3CEt]. Evidence for uranium to phosphorus .pi.-back-bonding

    John G. Brennan;Stephen D. Stults;Richard A. Andersen;Allan Zalkin

  • PYRIDINESELENOLATE COMPLEXES OF COPPER AND INDIUM : PRECURSORS TO CUSEX AND IN2SE3

    Y. Cheng;T. J. Emge;J. G. Brennan

  • Lanthanide clusters with internal Ln ions: highly emissive molecules with solid-state cores.

    Anna Kornienko;Thomas J. Emge;G. Ajith Kumar;Richard E. Riman

  • Cluster intermediates in an organometallic synthesis of palladium telluride PdTe

    J. G. Brennan;T. Siegrist;S. M. Stuczynski;M. L. Steigerwald

  • Trivalent lanthanide compounds with fluorinated thiolate ligands: Ln-F dative interactions vary with Ln and solvent.

    Jonathan H. Melman;Christa Rohde;Thomas J. Emge;John G. Brennan

  • Intense near-IR emission from nanoscale lanthanoid fluoride clusters.

    Michael Romanelli;G. Ajith Kumar;Thomas J. Emge;Richard E. Riman

  • Heterometallic Chalcogenido Clusters Containing Lanthanides and Main Group Metals: Emissive Precursors to Ternary Solid-State Compounds

    Anna Kornienko;Santanu Banerjee;G. Ajith Kumar;Richard E. Riman

  • Pyridine Coordination Complexes of the Divalent Ytterbium Chalcogenolates Yb(EPh)2 (E = S, Se, Te)

    M. Brewer;D. Khasnis;M. Buretea;M. Berardini

  • Lanthanide-Group 12 Metal Chalcogenolates: A Versatile Class of Compounds

    M. Berardini;T. J. Emge;J. G. Brennan

  • Covalency in bis([8]annulene)uranium from photoelectron spectroscopy with variable photon energy

    John G. Brennan;Jennifer C. Green;Catherine M. Redfern

Frequent Co-Authors

Thomas J. Emge
Thomas J. Emge Rutgers, The State University of New Jersey
Richard E. Riman
Richard E. Riman Rutgers, The State University of New Jersey
Allan Zalkin
Allan Zalkin University of California, Berkeley
Norman M. Edelstein
Norman M. Edelstein Lawrence Berkeley National Laboratory
Mikhail G. Brik
Mikhail G. Brik University of Tartu
Richard A. Andersen
Richard A. Andersen Lawrence Berkeley National Laboratory
Karsten Krogh-Jespersen
Karsten Krogh-Jespersen Rutgers, The State University of New Jersey
Jennifer C. Green
Jennifer C. Green University of Oxford
Dennis W. Smith
Dennis W. Smith Mississippi State University
John Ballato
John Ballato Clemson University

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