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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 60 9757 8827 704 637 124 12013

Alexander Zapf publications per year

The chart shows the history of publications by Alexander Zapf between 1997 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Alexander Zapf published across 29 years, from 1997 to 2025, averaging 5 papers a year. Output peaked at 16 publications in 2000. 2 of the 145 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1997 to 2025. Vertical axis: number of publications, 0 to 16. Peak 16 publications in 2000. 1997: 3 publications 1998: 5 publications 1999: 4 publications 2000: 16 publications 2001: 13 publications 2002: 8 publications 2003: 15 publications 2004: 16 publications 2005: 11 publications 2006: 8 publications 2007: 10 publications 2008: 11 publications 2009: 5 publications 2010: 2 publications 2011: 1 publication 2012: 1 publication 2013: 2 publications 2014: 2 publications 2015: 0 publications 2016: 4 publications 2017: 0 publications 2018: 1 publication 2019: 0 publications 2020: 1 publication 2021: 0 publications 2022: 4 publications 2023: 0 publications 2024: 1 publication 2025: 1 publication
1997 2025

145 publications in total across all disciplines

View publications per year as a table
Alexander Zapf: publications per year, 1997 to 2025
Year Publications
1997 3
1998 5
1999 4
2000 16
2001 13
2002 8
2003 15
2004 16
2005 11
2006 8
2007 10
2008 11
2009 5
2010 2
2011 1
2012 1
2013 2
2014 2
2015 0
2016 4
2017 0
2018 1
2019 0
2020 1
2021 0
2022 4
2023 0
2024 1
2025 1
Total 145
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Alexander Zapf 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 Alexander Zapf 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: 124 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
121–140 918 124
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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Alexander Zapf 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 Alexander Zapf 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, 60–61 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: 60 D-Index — 47th percentile

47% 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 60
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

Alexander Zapf is affiliated with the University of Rostock in Germany and focuses on research primarily within the Social Sciences. Their work covers multiple subfields including Clinical Psychology, Economics and Econometrics, Epidemiology, Education, and Organic Chemistry. Their research topics frequently address issues related to the COVID-19 pandemic and its broader social and health impacts.

The scientist's recent publications explore diverse aspects of public health and social measures during the COVID-19 pandemic. Notable papers include:

  • "Impact of Public Health and Social Measures on the COVID-19 Pandemic in the United States and Other Countries: Descriptive Analysis" (2021), published in JMIR Public Health and Surveillance
  • "COVID-19 risk perceptions of social interaction and essential activities and inequity in the USA: results from a nationally representative survey" (2022), published in BMJ Open
  • "Capturing the COVID-19 Crisis through Public Health and Social Measures Data Science" (2022), published in Scientific Data
  • "Impact of coinfection status and comorbidity on disease severity in adult emergency department patients with influenza B" (2021), published in Influenza and Other Respiratory Viruses
  • "Schooling amidst a pandemic in the United States: Parents' perceptions about reopening schools and anticipated challenges during COVID-19" (2022), published in PLoS ONE

Alexander Zapf frequently collaborates with scientists such as Smisha Agarwal, Alain Labrique, Jeffrey G. Edwards, Dustin G. Gibson, and Sophia Zweig. These collaborations appear across multiple research projects, contributing to a varied publication record.

Common venues for their research include bioRxiv (Cold Spring Harbor Laboratory), JMIR Public Health and Surveillance, BMJ Open, Scientific Data, and Influenza and Other Respiratory Viruses. The most publications were found in bioRxiv, followed by single contributions in the other journals.

Their primary research topics focus heavily on the consequences and societal responses to the COVID-19 pandemic, with emphasis on:

  • COVID-19 and Mental Health
  • COVID-19 Pandemic Impacts
  • COVID-19 epidemiological studies
  • Youth Substance Use and School Attendance
  • Corporate Governance and Law
  • Food Security and Health in Diverse Populations
  • Risk Perception and Management

Alexander Zapf's interdisciplinary approach reflects an integration of epidemiological and psychological perspectives with socioeconomic factors related to public health crises. Their research addresses both clinical outcomes and broader societal challenges brought about by infectious disease outbreaks.

Best Publications

  • A New Highly Efficient Catalyst System for the Coupling of Nonactivated and Deactivated Aryl Chlorides with Arylboronic Acids

    Alexander Zapf;Andreas Ehrentraut;Matthias Beller

  • The development of efficient catalysts for palladium-catalyzed coupling reactions of aryl halides

    Alexander Zapf;Matthias Beller

  • Fine chemical synthesis with homogeneous palladium catalysts: examples, status and trends

    Alexander Zapf;Matthias Beller

  • An efficient and general iron-catalyzed arylation of benzyl alcohols and benzyl carboxylates

    Irina Iovel;Kristin Mertins;Jette Kischel;Alexander Zapf

  • Potassium hexacyanoferrate(II)—a new cyanating agent for the palladium-catalyzed cyanation of aryl halides

    Thomas Schareina;Alexander Zapf;Matthias Beller

  • A Convenient Procedure for the Palladium-Catalyzed Cyanation of Aryl Halides

    Mark Sundermeier;Alexander Zapf;Matthias Beller

  • New ligands for a general palladium-catalyzed amination of aryl and heteroaryl chlorides.

    Franck Rataboul;Alexander Zapf;Ralf Jackstell;Surendra Harkal

  • Practical Imidazole‐Based Phosphine Ligands for Selective Palladium‐Catalyzed Hydroxylation of Aryl Halides

    Thomas Schulz;Christian Torborg;Benjamin Schäffner;Jun Huang

  • Palladium‐Catalyzed Cyanation of Aryl Halides: Recent Developments and Perspectives

    Mark Sundermeier;Alexander Zapf;Matthias Beller

  • A convenient FeCl3-catalyzed hydroarylation of styrenes.

    Jette Kischel;Irina Jovel;Kristin Mertins;and Alexander Zapf

  • Improving palladium-catalyzed cyanation of aryl halides: development of a state-of-the-art methodology using potassium hexacyanoferrate(II) as cyanating agent

    Thomas Schareina;Alexander Zapf;Matthias Beller

  • A general and efficient method for the formylation of aryl and heteroaryl bromides.

    Stefan Klaus;Helfried Neumann;Alexander Zapf;Dirk Strübing

  • Progress in the Palladium‐Catalyzed Cyanation of Aryl Chlorides

    Mark Sundermeier;Alexander Zapf;Sateesh Mutyala;Wolfgang Baumann

  • A convenient and efficient procedure for the palladium-catalyzed cyanation of aryl halides using trimethylsilylcyanide

    Mark Sundermeier;Sateesh Mutyala;Alexander Zapf;Anke Spannenberg

  • Dialkylphosphinoimidazoles as New Ligands for Palladium-Catalyzed Coupling Reactions of Aryl Chlorides

    Surendra Harkal;Franck Rataboul;Alexander Zapf;Christa Fuhrmann

  • Progress in the Palladium‐Catalyzed α‐Arylation of Ketones with Chloroarenes

    Andreas Ehrentraut;Alexander Zapf;Matthias Beller

  • Transition‐Metal‐Catalyzed Benzylation of Arenes and Heteroarenes

    Kristin Mertins;Irina Iovel;Jette Kischel;Alexander Zapf

  • Practical synthesis of new and highly efficient ligands for the Suzuki reaction of aryl chlorides.

    Alexander Zapf;Ralf Jackstell;Franck Rataboul;Thomas Riermeier

  • A highly efficient catalyst for the telomerization of 1,3-dienes with alcohols: first synthesis of a monocarbenepalladium(0)-olefin complex.

    Ralf Jackstell;Mario Gómez Andreu;Anja Frisch;Kumaravel Selvakumar

  • A new palladium catalyst system for the cyanation of aryl chlorides with K4[Fe(CN)6]

    Thomas Schareina;Alexander Zapf;Wolfgang Mägerlein;Nikolaus Müller

Frequent Co-Authors

Matthias Beller
Matthias Beller Leibniz Institute for Catalysis
Ralf Jackstell
Ralf Jackstell Leibniz Institute for Catalysis
Anke Spannenberg
Anke Spannenberg Leibniz Institute for Catalysis
Kamal Kumar
Kamal Kumar AiCuris (Germany)
Annegret Tillack
Annegret Tillack University of Rostock
Xiao-Feng Wu
Xiao-Feng Wu Dalian Institute of Chemical Physics
Helfried Neumann
Helfried Neumann Leibniz Institute for Catalysis
Armin Börner
Armin Börner Leibniz Institute for Catalysis
Uwe Rosenthal
Uwe Rosenthal University of Rostock

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