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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 56 11613 10458 45 43 155 11181

Angelos A. Lappas publications per year

The chart shows the history of publications by Angelos A. Lappas between 1989 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Angelos A. Lappas published across 38 years, from 1989 to 2026, averaging 4.6 papers a year. Output peaked at 13 publications in 2018. 11 of the 174 publications appeared in the last two years.

No. of publications
5 10
Bar chart. Horizontal axis: year, 1989 to 2026. Vertical axis: number of publications, 0 to 13. Peak 13 publications in 2018. 1989: 1 publication 1990: 1 publication 1991: 1 publication 1992: 0 publications 1993: 0 publications 1994: 0 publications 1995: 0 publications 1996: 0 publications 1997: 1 publication 1998: 1 publication 1999: 2 publications 2000: 0 publications 2001: 3 publications 2002: 2 publications 2003: 1 publication 2004: 3 publications 2005: 0 publications 2006: 5 publications 2007: 11 publications 2008: 2 publications 2009: 7 publications 2010: 3 publications 2011: 5 publications 2012: 6 publications 2013: 8 publications 2014: 7 publications 2015: 11 publications 2016: 8 publications 2017: 12 publications 2018: 13 publications 2019: 12 publications 2020: 6 publications 2021: 9 publications 2022: 5 publications 2023: 13 publications 2024: 4 publications 2025: 10 publications 2026: 1 publication
1989 2026

174 publications in total across all disciplines

View publications per year as a table
Angelos A. Lappas: publications per year, 1989 to 2026
Year Publications
1989 1
1990 1
1991 1
1992 0
1993 0
1994 0
1995 0
1996 0
1997 1
1998 1
1999 2
2000 0
2001 3
2002 2
2003 1
2004 3
2005 0
2006 5
2007 11
2008 2
2009 7
2010 3
2011 5
2012 6
2013 8
2014 7
2015 11
2016 8
2017 12
2018 13
2019 12
2020 6
2021 9
2022 5
2023 13
2024 4
2025 10
2026 1
Total 174
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Angelos A. Lappas 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 Angelos A. Lappas 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, 141–160 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: 155 publications — 16th percentile

16% 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 1,218 155
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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Angelos A. Lappas 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 Angelos A. Lappas 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, 56–57 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: 56 D-Index — 36th percentile

36% 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 56
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

Angelos A. Lappas is a researcher affiliated with the Centre for Research and Technology Hellas in Greece. Their scholarly work primarily spans the field of engineering, with specific contributions in biomedical engineering, mechanical engineering, catalysis, materials chemistry, and molecular biology.

Their research topics focus on catalytic processes in materials science, biofuel production and bioconversion, catalysts for methane reforming, thermochemical biomass conversion processes, carbon dioxide capture technologies, microbial metabolic engineering, and bioproduction, as well as catalysis for biomass conversion.

Recent publications by Angelos A. Lappas include:

  • "Efficient d-lactic acid production by Lactobacillus delbrueckii subsp. bulgaricus through conversion of organosolv pretreated lignocellulosic biomass," 2020, Biomass and Bioenergy
  • "Novel trends in the thermo-chemical recycling of plastics from WEEE containing brominated flame retardants," 2020, Environmental Science and Pollution Research
  • "Utilization of lignocellulosic biomass towards the production of omega-3 fatty acids by the heterotrophic marine microalga Crypthecodinium cohnii," 2020, Bioresource Technology
  • "Hydrodeoxygenation of phenol and biomass fast pyrolysis oil (bio-oil) over Ni/WO3-ZrO2 catalyst," 2020, Catalysis Today
  • "Understanding the Upgrading of Sewage Sludge-Derived Hydrothermal Liquefaction Biocrude via Advanced Characterization," 2022, Energy & Fuels

Frequent coauthors collaborating with Angelos A. Lappas include:

  • Eleni Heracleous
  • Eleni Pachatouridou
  • Konstantinos G. Kalogiannis
  • Anthi Karnaouri
  • Evangelos Topakas

Their research has been published predominantly in journals such as Catalysis Today, Preprints.org, Bioresource Technology, Fuel Processing Technology, and Sustainable Chemistry and Pharmacy. The most frequent venues are:

  • Catalysis Today
  • Preprints.org
  • Bioresource Technology
  • Fuel Processing Technology
  • Sustainable Chemistry and Pharmacy

Best Publications

  • Chemical recycling of plastic wastes made from polyethylene (LDPE and HDPE) and polypropylene (PP).

    D S Achilias;C Roupakias;P Megalokonomos;A A Lappas

  • A study of lignocellulosic biomass pyrolysis via the pyrolysis of cellulose, hemicellulose and lignin

    Stylianos D. Stefanidis;Konstantinos G. Kalogiannis;Eleni F. Iliopoulou;Chrysoula M. Michailof

  • Catalytic upgrading of biomass pyrolysis vapors using transition metal-modified ZSM-5 zeolite

    E.F. Iliopoulou;S.D. Stefanidis;K.G. Kalogiannis;A. Delimitis

  • Biomass pyrolysis in a circulating fluid bed reactor for the production of fuels and chemicals

    A.A Lappas;M.C Samolada;D.K Iatridis;S.S Voutetakis

  • In-situ upgrading of biomass pyrolysis vapors: Catalyst screening on a fixed bed reactor

    S.D. Stefanidis;K.G. Kalogiannis;E.F. Iliopoulou;A.A. Lappas

  • Evaluation of various types of Al-MCM-41 materials as catalysts in biomass pyrolysis for the production of bio-fuels and chemicals

    Eleni Antonakou;Angelos Lappas;Merete H. Nilsen;Aud Bouzga

  • In situ catalytic upgrading of biomass derived fast pyrolysis vapours in a fixed bed reactor using mesoporous materials

    Judit Adam;Eleni Antonakou;Angelos Lappas;Michael Stöcker

  • Production of biofuels via co-processing in conventional refining processes

    A.A. Lappas;S. Bezergianni;I.A. Vasalos

  • Catalytic conversion of biomass pyrolysis products by mesoporous materials: Effect of steam stability and acidity of Al-MCM-41 catalysts

    E.F. Iliopoulou;E.V. Antonakou;S.A. Karakoulia;I.A. Vasalos

  • Inhibition of enzymatic hydrolysis by residual lignins from softwood--study of enzyme binding and inactivation on lignin-rich surface.

    Jenni Rahikainen;Saara Mikander;Kaisa Marjamaa;Tarja Tamminen

  • Natural magnesium oxide (MgO) catalysts: A cost-effective sustainable alternative to acid zeolites for the in situ upgrading of biomass fast pyrolysis oil

    S.D. Stefanidis;S.A. Karakoulia;K.G. Kalogiannis;E.F Iliopoulou

  • Investigating the potential for energy, fuel, materials and chemicals production from corn residues (cobs and stalks) by non-catalytic and catalytic pyrolysis in two reactor configurations

    O. Ioannidou;A. Zabaniotou;E.V. Antonakou;K.M. Papazisi

  • Pilot-scale validation of Co-ZSM-5 catalyst performance in the catalytic upgrading of biomass pyrolysis vapours

    E. F. Iliopoulou;S. Stefanidis;K. Kalogiannis;A. C. Psarras

  • Hydrothermally stable mesoporous aluminosilicates (MSU-S) assembled from zeolite seeds as catalysts for biomass pyrolysis

    Kostas S. Triantafyllidis;Eleni F. Iliopoulou;Eleni V. Antonakou;Angelos A. Lappas

  • Chemical Recycling of Polystyrene by Pyrolysis: Potential Use of the Liquid Product for the Reproduction of Polymer

    Dimitris S. Achilias;Iliana Kanellopoulou;Panagiotis Megalokonomos;Eleni Antonakou

  • Catalytic upgrading of lignocellulosic biomass pyrolysis vapours: Effect of hydrothermal pre-treatment of biomass

    S.D. Stephanidis;Christos Nitsos;Konstantions G. Kalogiannis;Eleni F. Iliopoulou

  • Effect of Lewis and Brønsted acidity on glucose conversion to 5-HMF and lactic acid in aqueous and organic media

    A.A. Marianou;C.M. Michailof;A. Pineda;E.F. Iliopoulou

  • Second-generation biofuels by co-processing catalytic pyrolysis oil in FCC units

    N. Thegarid;G. Fogassy;Y. Schuurman;C. Mirodatos

  • Qualitative and quantitative analysis of pyrolysis oil by gas chromatography with flame ionization detection and comprehensive two-dimensional gas chromatography with time-of-flight mass spectrometry.

    Themistoklis Sfetsas;Chrysa Michailof;Angelos Lappas;Qiangyi Li

  • Experimental study of pyrolysis for potential energy, hydrogen and carbon material production from lignocellulosic biomass

    A. Zabaniotou;O. Ioannidou;E. Antonakou;A. Lappas

  • Selective Petroleum Refining Over a Zeolite Catalyst with Small Intracrystal Mesopores

    Dong Ho Park;Dong Ho Park;Seong Su Kim;Hui Wang;Thomas J. Pinnavaia

  • Investigation of the effect of metal sites in Me–Al-MCM-41 (Me = Fe, Cu or Zn) on the catalytic behavior during the pyrolysis of wooden based biomass

    Merete Hellner Nilsen;Merete Hellner Nilsen;Eleni Antonakou;Aud Bouzga;Angelos Lappas

Frequent Co-Authors

Konstantinos S. Triantafyllidis
Konstantinos S. Triantafyllidis King Fahd University of Petroleum and Minerals
David Serrano
David Serrano IMDEA Energy Institute
Dimitris S. Achilias
Dimitris S. Achilias Aristotle University of Thessaloniki
Patricia Pizarro
Patricia Pizarro King Juan Carlos University
Thomas J. Pinnavaia
Thomas J. Pinnavaia Michigan State University
Anastasia Zabaniotou
Anastasia Zabaniotou Aristotle University of Thessaloniki
Nikos Nikolopoulos
Nikos Nikolopoulos Centre for Research and Technology Hellas
Paul Christakopoulos
Paul Christakopoulos Luleå University of Technology
Mark A. Isaacs
Mark A. Isaacs Aston University
Emmanuel Kakaras
Emmanuel Kakaras National Technical University of Athens

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