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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 87 2412 2172 852 715 415 27166

Paul J. Ziemann publications per year

The chart shows the history of publications by Paul J. Ziemann between 1978 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Paul J. Ziemann published across 48 years, from 1978 to 2025, averaging 10.4 papers a year. Output peaked at 30 publications in 2009. 17 of the 498 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1978 to 2025. Vertical axis: number of publications, 0 to 30. Peak 30 publications in 2009. 1978: 1 publication 1979: 1 publication 1980: 2 publications 1981: 6 publications 1982: 5 publications 1983: 6 publications 1984: 3 publications 1985: 2 publications 1986: 1 publication 1987: 2 publications 1988: 1 publication 1989: 9 publications 1990: 3 publications 1991: 8 publications 1992: 8 publications 1993: 10 publications 1994: 5 publications 1995: 10 publications 1996: 11 publications 1997: 9 publications 1998: 19 publications 1999: 14 publications 2000: 12 publications 2001: 14 publications 2002: 10 publications 2003: 14 publications 2004: 17 publications 2005: 20 publications 2006: 15 publications 2007: 21 publications 2008: 15 publications 2009: 30 publications 2010: 22 publications 2011: 18 publications 2012: 9 publications 2013: 21 publications 2014: 10 publications 2015: 9 publications 2016: 15 publications 2017: 11 publications 2018: 9 publications 2019: 15 publications 2020: 11 publications 2021: 10 publications 2022: 9 publications 2023: 8 publications 2024: 9 publications 2025: 8 publications
1978 2025

498 publications in total across all disciplines

View publications per year as a table
Paul J. Ziemann: publications per year, 1978 to 2025
Year Publications
1978 1
1979 1
1980 2
1981 6
1982 5
1983 6
1984 3
1985 2
1986 1
1987 2
1988 1
1989 9
1990 3
1991 8
1992 8
1993 10
1994 5
1995 10
1996 11
1997 9
1998 19
1999 14
2000 12
2001 14
2002 10
2003 14
2004 17
2005 20
2006 15
2007 21
2008 15
2009 30
2010 22
2011 18
2012 9
2013 21
2014 10
2015 9
2016 15
2017 11
2018 9
2019 15
2020 11
2021 10
2022 9
2023 8
2024 9
2025 8
Total 498
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Paul J. Ziemann 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 Paul J. Ziemann 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, 401–420 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: 415 publications — 82nd percentile

82% 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
401–420 397 415
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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Paul J. Ziemann 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 Paul J. Ziemann 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, 86–87 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: 87 D-Index — 87th percentile

87% 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 87
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

Paul J. Ziemann is affiliated with the University of Colorado Boulder in the United States. Their research primarily focuses on the fields of Earth and Planetary Sciences and Environmental Science, with a strong emphasis on Atmospheric Science, Health, Toxicology and Mutagenesis, and Environmental Engineering among other subfields.

The scientist's work covers several interrelated topics, including Atmospheric chemistry and aerosols, Air Quality and Health Impacts, Atmospheric Ozone and Climate, and Indoor Air Quality and Microbial Exposure. Additional topics include Air Quality Monitoring and Forecasting, Catalytic Processes in Materials Science, and Advanced Chemical Sensor Technologies.

Paul J. Ziemann has published extensively in notable journals. Frequent publication venues include:

  • ACS Earth and Space Chemistry
  • The Journal of Physical Chemistry A
  • Indoor Air
  • Aerosol Science and Technology
  • ACS ES&T Air

Among the recent papers associated with their research are:

  • "An in situ gas chromatograph with automatic detector switching between PTR- and EI-TOF-MS: isomer-resolved measurements of indoor air" (2021), published in Atmospheric Measurement Techniques
  • "Quantification and source characterization of volatile organic compounds from exercising and application of chlorine-based cleaning products in a university athletic center" (2020), published in Indoor Air
  • "Measurements and modeling of absorptive partitioning of volatile organic compounds to painted surfaces" (2020), published in Indoor Air
  • "Secondary Organic Aerosol Mass Yields from NO3 Oxidation of α-Pinene and Δ-Carene: Effect of RO2 Radical Fate" (2022), published in The Journal of Physical Chemistry A
  • "Products and Mechanisms of Secondary Organic Aerosol Formation from the NO3 Radical-Initiated Oxidation of Cyclic and Acyclic Monoterpenes" (2022), published in ACS Earth and Space Chemistry

Frequent collaborators in their research include:

  • J. L. Jiménez
  • Douglas A. Day
  • Marla P. DeVault
  • J. A. de Gouw
  • Zachary Finewax

Best Publications

  • O/C and OM/OC Ratios of Primary, Secondary, and Ambient Organic Aerosols with High-Resolution Time-of-Flight Aerosol Mass Spectrometry

    Allison C. Aiken;Peter F. DeCarlo;Jesse H. Kroll;Douglas R. Worsnop

  • Kinetics, products, and mechanisms of secondary organic aerosol formation

    Paul J. Ziemann;Roger Atkinson

  • Ordered Deposition of Inorganic Clusters from Micellar Block Copolymer Films

    Joachim P. Spatz;Stefan Mössmer;Christoph Hartmann;Martin Möller

  • Generating Particle Beams of Controlled Dimensions and Divergence: I. Theory of Particle Motion in Aerodynamic Lenses and Nozzle Expansions

    Peng Liu;Paul J. Ziemann;David B. Kittelson;Peter H. McMurry

  • Oxidation-Resistant Gold-55 Clusters

    H. G. Boyen;G. Kastle;F. Weigl;B. Koslowski

  • Response of an aerosol mass spectrometer to organonitrates and organosulfates and implications for atmospheric chemistry

    D. K. Farmer;A. Matsunaga;K. S. Docherty;J. D. Surratt

  • Generating Particle Beams of Controlled Dimensions and Divergence: II. Experimental Evaluation of Particle Motion in Aerodynamic Lenses and Nozzle Expansions

    Peng Liu;Paul J. Ziemann;David B. Kittelson;Peter H. McMurry

  • Contributions of organic peroxides to secondary aerosol formed from reactions of monoterpenes with O3.

    Kenneth S Docherty;Wilbur Wu;Yong Bin Lim;Paul J Ziemann

  • On-line measurements of diesel nanoparticle composition and volatility

    Hiromu Sakurai;Herbert J. Tobias;Kihong Park;Darrick Zarling

  • Gas-Wall Partitioning of Organic Compounds in a Teflon Film Chamber and Potential Effects on Reaction Product and Aerosol Yield Measurements

    Aiko Matsunaga;Paul J. Ziemann

  • Chemical analysis of diesel engine nanoparticles using a nano-DMA/thermal desorption particle beam mass spectrometer.

    Herbert J. Tobias;Derek E. Beving;Paul J. Ziemann;Hiromu Sakurai

  • Secondary Organic Aerosol Formation from Acetylene (C 2 H 2 ): seed effect on SOA yields due to organic photochemistry in the aerosol aqueous phase

    R. Volkamer;R. Volkamer;P. J. Ziemann;M. J. Molina

  • Chemically-resolved aerosol volatility measurements from two megacity field studies

    J. A. Huffman;J. A. Huffman;J. A. Huffman;K. S. Docherty;A. C. Aiken;A. C. Aiken;M. J. Cubison

  • Micellar Inorganic–Polymer Hybrid Systems—A Tool for Nanolithography

    Joachim P. Spatz;Joachim P. Spatz;Thomas Herzog;Stefan Mößmer;Paul Ziemann

  • Effects of molecular structure on aerosol yields from OH radical-initiated reactions of linear, branched, and cyclic alkanes in the presence of NOx.

    Yong B. Lim;Paul J. Ziemann

  • Micellar Nanoreactors—Preparation and Characterization of Hexagonally Ordered Arrays of Metallic Nanodots†

    Gerd Kästle;Hans-Gerd Boyen;Frank Weigl;Gunther Lengl

  • Products and mechanism of secondary organic aerosol formation from reactions of n-alkanes with OH radicals in the presence of NOx

    Yong Bin Lim;Paul J Ziemann

  • Identifying organic aerosol sources by comparing functional group composition in chamber and atmospheric particles

    Lynn M. Russell;Ranjit Bahadur;Paul J. Ziemann

  • Saturation Vapor Pressures and Transition Enthalpies of Low-Volatility Organic Molecules of Atmospheric Relevance: From Dicarboxylic Acids to Complex Mixtures

    Merete Bilde;Kelley Barsanti;Murray Booth;Christopher D Cappa

  • Aerosol products, mechanisms, and kinetics of heterogeneous reactions of ozone with oleic acid in pure and mixed particles.

    Paul J. Ziemann

  • Evaluation of recently-proposed secondary organic aerosol models for a case study in Mexico City

    Katja Dzepina;Katja Dzepina;Rainer M. Volkamer;Sasha Madronich;Pierre Tulet;Pierre Tulet

Frequent Co-Authors

Hans-Gerd Boyen
Hans-Gerd Boyen Hasselt University
Jose L. Jimenez
Jose L. Jimenez University of Colorado Boulder
Peter H. McMurry
Peter H. McMurry University of Minnesota
Martin Möller
Martin Möller RWTH Aachen University
David B. Kittelson
David B. Kittelson University of Minnesota
Markus D. Petters
Markus D. Petters North Carolina State University
Douglas A. Day
Douglas A. Day University of Colorado Boulder
Ute Kaiser
Ute Kaiser University of Ulm
I. M. Ulbrich
I. M. Ulbrich University of Colorado Boulder
Joachim P. Spatz
Joachim P. Spatz Max Planck Society

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