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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 52 13452 12105 53 46 290 10396

Juliusz Pernak publications per year

The chart shows the history of publications by Juliusz Pernak between 1973 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Juliusz Pernak published across 53 years, from 1973 to 2025, averaging 5.8 papers a year. Output peaked at 27 publications in 2013. 3 of the 305 publications appeared in the last two years.

No. of publications
5 10 15 20 25
Bar chart. Horizontal axis: year, 1973 to 2025. Vertical axis: number of publications, 0 to 27. Peak 27 publications in 2013. 1973: 1 publication 1974: 0 publications 1975: 0 publications 1976: 0 publications 1977: 1 publication 1978: 0 publications 1979: 1 publication 1980: 2 publications 1981: 0 publications 1982: 1 publication 1983: 4 publications 1984: 7 publications 1985: 5 publications 1986: 3 publications 1987: 4 publications 1988: 5 publications 1989: 1 publication 1990: 5 publications 1991: 6 publications 1992: 7 publications 1993: 5 publications 1994: 6 publications 1995: 3 publications 1996: 3 publications 1997: 3 publications 1998: 3 publications 1999: 2 publications 2000: 4 publications 2001: 2 publications 2002: 1 publication 2003: 6 publications 2004: 10 publications 2005: 10 publications 2006: 7 publications 2007: 7 publications 2008: 5 publications 2009: 9 publications 2010: 12 publications 2011: 6 publications 2012: 10 publications 2013: 27 publications 2014: 10 publications 2015: 7 publications 2016: 16 publications 2017: 18 publications 2018: 13 publications 2019: 13 publications 2020: 17 publications 2021: 9 publications 2022: 4 publications 2023: 1 publication 2024: 2 publications 2025: 1 publication
1973 2025

305 publications in total across all disciplines

View publications per year as a table
Juliusz Pernak: publications per year, 1973 to 2025
Year Publications
1973 1
1974 0
1975 0
1976 0
1977 1
1978 0
1979 1
1980 2
1981 0
1982 1
1983 4
1984 7
1985 5
1986 3
1987 4
1988 5
1989 1
1990 5
1991 6
1992 7
1993 5
1994 6
1995 3
1996 3
1997 3
1998 3
1999 2
2000 4
2001 2
2002 1
2003 6
2004 10
2005 10
2006 7
2007 7
2008 5
2009 9
2010 12
2011 6
2012 10
2013 27
2014 10
2015 7
2016 16
2017 18
2018 13
2019 13
2020 17
2021 9
2022 4
2023 1
2024 2
2025 1
Total 305
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Juliusz Pernak publications per year - data summary

  • Juliusz Pernak, a Chemistry scholar from Poznań University of Technology, has 305 publications recorded across 53 years, from 1973 to 2025.
  • The oldest publication on record dates to 1973 and the most recent to 2025.
  • The most productive year is 2013, with 27 publications.
  • The least productive years with any output are 1973, 1977, 1979, 1982 and others, with 1 publication each.
  • 5 of the 53 years in the span carry no publications at all (1974, 1975, 1976, 1978 and others).
  • The rate of publication averages 5.8 papers per year over the whole span, or 6.4 per year counting only the 48 years with at least one publication.
  • The last 5 years on the chart (2021-2025) hold 17 publications, 6% of the career total.
  • Split into equal eras - 1973-1990: 40 publications (2.2 per year); 1991-2008: 90 publications (5.0 per year); 2009-2025: 175 publications (10.3 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Juliusz Pernak 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 Juliusz Pernak 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, 281–300 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: 290 publications — 61st percentile

61% 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
281–300 939 290
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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Juliusz Pernak 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.
  • Juliusz Pernak, a Chemistry scholar from Poznań University of Technology, records 290 publications - the 61st percentile of the discipline.
  • 61% of ranked Chemistry scientists score the same or lower than Juliusz Pernak, and about 39% score higher.
  • The median of the discipline falls in the 241–260 publications range, and Juliusz Pernak 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).

Juliusz Pernak 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 Juliusz Pernak 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, 52–53 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: 52 D-Index — 26th percentile

26% 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 52
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
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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Juliusz Pernak 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.
  • Juliusz Pernak, a Chemistry scholar from Poznań University of Technology, records 52 D-Index - the 26th percentile of the discipline.
  • 26% of ranked Chemistry scientists score the same or lower than Juliusz Pernak, and about 74% score higher.
  • The median of the discipline falls in the 62–63 D-Index range, and Juliusz Pernak ranks below 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).

Overview

Juliusz Pernak is affiliated with Poznań University of Technology in Poland. Their research primarily focuses on chemical engineering and chemistry, with significant contributions in catalysis and organic chemistry. The scope of their work extends into plant science, spectroscopy, and environmental pollution studies.

Their research topics encompass various aspects of ionic liquids, including their properties and applications. Additional topics include allelopathy and phytotoxic interactions, analytical chemistry and chromatography, pesticide and herbicide environmental studies, chemical synthesis involving alkaloids, and electrochemical sensors and biosensors.

Recent publications highlight the range and depth of their work. Notable papers include:

  • "Herbicidal Ionic Liquids: A Promising Future for Old Herbicides? Review on Synthesis, Toxicity, Biodegradation, and Efficacy Studies" (2020) in the Journal of Agricultural and Food Chemistry
  • "Transformation of Indole-3-butyric Acid into Ionic Liquids as a Sustainable Strategy Leading to Highly Efficient Plant Growth Stimulators" (2020) in ACS Sustainable Chemistry & Engineering
  • "Dicamba-Based Herbicides: Herbicidal Ionic Liquids versus Commercial Forms" (2020) in the Journal of Agricultural and Food Chemistry
  • "Choline-based ionic liquids as adjuvants in pesticide formulation" (2020) in the Journal of Molecular Liquids
  • "Synthetic auxin-based double salt ionic liquids as herbicides with improved physicochemical properties and biological activity" (2021) in the Journal of Molecular Liquids

Juliusz Pernak regularly publishes in specific journals, reflecting consistent research interests. Frequently used publication venues include:

  • Journal of Agricultural and Food Chemistry
  • ACS Sustainable Chemistry & Engineering
  • Journal of Molecular Liquids
  • RSC Advances
  • New Journal of Chemistry

The scientist collaborates regularly with a set of coauthors, indicating active research partnerships. Frequent coauthors include:

  • Damian Krystian Kaczmarek
  • Michał Niemczak
  • Tomasz Rzemieniecki
  • T. Praczyk
  • Tomasz Klejdysz

Best Publications

  • The third evolution of ionic liquids: active pharmaceutical ingredients

    Whitney L. Hough;Marcin Smiglak;Héctor Rodríguez;Richard P. Swatloski

  • Anti-microbial activities of ionic liquids

    Juliusz Pernak;Kinga Sobaszkiewicz;Ilona Mirska

  • Anti-microbial activities of protic ionic liquids with lactate anion

    Juliusz Pernak;Izabela Goc;Ilona Mirska

  • Synthesis, anti-microbial activities and anti-electrostatic properties of phosphonium-based ionic liquids

    Anna Cieniecka-Rosłonkiewicz;Juliusz Pernak;Joanna Kubis-Feder;Alwar Ramani

  • Room-temperature phosphonium ionic liquids for supercapacitor application

    Elzbieta Frackowiak;Grzegorz Lota;Juliusz Pernak

  • Ionic liquids with herbicidal anions

    Juliusz Pernak;Anna Syguda;Dominika Janiszewska;Katarzyna Materna

  • Ionic liquids with dual biological function: sweet and anti-microbial, hydrophobic quaternary ammonium-based salts

    Whitney L. Hough-Troutman;Marcin Smiglak;Scott Griffin;W. Matthew Reichert

  • Choline-derivative-based ionic liquids.

    Juliusz Pernak;Anna Syguda;Ilona Mirska;Anna Pernak

  • Suppression of deleterious effects of free silanols in liquid chromatography by imidazolium tetrafluoroborate ionic liquids.

    Roman Kaliszan;Michał Piotr Marszałł;Michał Jan Markuszewski;Tomasz Bączek

  • Ionic Liquids with Symmetrical Dialkoxymethyl‐Substituted Imidazolium Cations

    Juliusz Pernak;Kinga Sobaszkiewicz;Joanna Foksowicz-Flaczyk

  • Synthesis and properties of chiral ammonium-based ionic liquids.

    Juliusz Pernak;Joanna Feder-Kubis

  • Synthesis and anti-microbial activities of some pyridinium salts with alkoxymethyl hydrophobic group.

    Juliusz Pernak;Joanna Kalewska;Hanna Ksycińska;Jacek Cybulski

  • Long alkyl chain quaternary ammonium-based ionic liquids and potential applications

    Juliusz Pernak;Marcin Smiglak;Scott T. Griffin;Whitney L. Hough

  • Synthesis and antimicrobial activities of new pyridinium and benzimidazolium chlorides.

    Juliusz Pernak;Jarostaw Rogoża;Ilona Mirska

  • Ionic liquid forms of the herbicide dicamba with increased efficacy and reduced volatility

    O. Andreea Cojocaru;Julia L. Shamshina;Gabriela Gurau;Anna Syguda

  • Synthesis and anti-microbial activities of choline-like quaternary ammonium chlorides.

    Juliusz Pernak;Przemysław Chwała

  • Synthesis, toxicity, biodegradability and physicochemical properties of 4-benzyl-4-methylmorpholinium-based ionic liquids

    Juliusz Pernak;Nina Borucka;Filip Walkiewicz;Bartosz Markiewicz

  • Synthesis and properties of chiral imidazolium ionic liquids with a (1R,2S,5R)-(−)-menthoxymethyl substituent

    Juliusz Pernak;Joanna Feder-Kubis;Anna Cieniecka-Rosłonkiewicz;Cedric Fischmeister

  • Polarization-induced distortion of ions in the pores of carbon electrodes for electrochemical capacitors

    C.O. Ania;C.O. Ania;J. Pernak;F. Stefaniak;E. Raymundo-Piñero

  • 2,4-D based herbicidal ionic liquids

    Juliusz Pernak;Anna Syguda;Katarzyna Materna;Ewa Janus

Frequent Co-Authors

Robin D. Rogers
Robin D. Rogers University of Alabama
François Béguin
François Béguin Poznań University of Technology
Alan R. Katritzky
Alan R. Katritzky University of Florida
Mérièm Anouti
Mérièm Anouti François Rabelais University
Conchi O. Ania
Conchi O. Ania University of Orléans
Cédric Fischmeister
Cédric Fischmeister University of Rennes
Bogdan Marciniec
Bogdan Marciniec Adam Mickiewicz University in Poznań
Antoni W. Morawski
Antoni W. Morawski West Pomeranian University of Technology
Encarnacion Raymundo-Pinero
Encarnacion Raymundo-Pinero University of Orléans
Elzbieta Frackowiak
Elzbieta Frackowiak Poznań University of Technology

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