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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 42 17634 15950 10 9 164 4992

Arvi Freiberg publications per year

The chart shows the history of publications by Arvi Freiberg between 1977 and 2024, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Arvi Freiberg published across 48 years, from 1977 to 2024, averaging 3.6 papers a year. Output peaked at 9 publications in 2014. 8 of the 173 publications appeared in the last two years.

No. of publications
2 4 6 8
Bar chart. Horizontal axis: year, 1977 to 2024. Vertical axis: number of publications, 0 to 9. Peak 9 publications in 2014. 1977: 1 publication 1978: 1 publication 1979: 3 publications 1980: 0 publications 1981: 1 publication 1982: 2 publications 1983: 1 publication 1984: 6 publications 1985: 3 publications 1986: 4 publications 1987: 3 publications 1988: 6 publications 1989: 1 publication 1990: 4 publications 1991: 3 publications 1992: 4 publications 1993: 5 publications 1994: 2 publications 1995: 5 publications 1996: 5 publications 1997: 3 publications 1998: 4 publications 1999: 3 publications 2000: 1 publication 2001: 4 publications 2002: 1 publication 2003: 7 publications 2004: 5 publications 2005: 5 publications 2006: 2 publications 2007: 3 publications 2008: 5 publications 2009: 5 publications 2010: 2 publications 2011: 6 publications 2012: 4 publications 2013: 5 publications 2014: 9 publications 2015: 5 publications 2016: 3 publications 2017: 4 publications 2018: 3 publications 2019: 6 publications 2020: 5 publications 2021: 3 publications 2022: 2 publications 2023: 5 publications 2024: 3 publications
1977 2024

173 publications in total across all disciplines

View publications per year as a table
Arvi Freiberg: publications per year, 1977 to 2024
Year Publications
1977 1
1978 1
1979 3
1980 0
1981 1
1982 2
1983 1
1984 6
1985 3
1986 4
1987 3
1988 6
1989 1
1990 4
1991 3
1992 4
1993 5
1994 2
1995 5
1996 5
1997 3
1998 4
1999 3
2000 1
2001 4
2002 1
2003 7
2004 5
2005 5
2006 2
2007 3
2008 5
2009 5
2010 2
2011 6
2012 4
2013 5
2014 9
2015 5
2016 3
2017 4
2018 3
2019 6
2020 5
2021 3
2022 2
2023 5
2024 3
Total 173
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Arvi Freiberg 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 Arvi Freiberg 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, 161–180 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: 164 publications — 19th percentile

19% 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 1,350 164
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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Arvi Freiberg 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 Arvi Freiberg 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, 42–43 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: 42 D-Index — 3rd percentile

3% 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 42
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
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

Arvi Freiberg is affiliated with the University of Tartu in Estonia and has contributed to multiple research areas primarily within biochemistry, genetics, and molecular biology. Their published work spans interdisciplinary domains including physics and astronomy as well as neuroscience, demonstrating a broad scientific scope.

The main fields of study associated with Freiberg's research include:

  • Biochemistry, Genetics and Molecular Biology
  • Physics and Astronomy
  • Neuroscience

Within these broader areas, Freiberg's subfields of study focus on:

  • Molecular Biology
  • Atomic and Molecular Physics, and Optics
  • Cellular and Molecular Neuroscience
  • Physical and Theoretical Chemistry
  • Spectroscopy

The core topics explored in Freiberg's work are connected to photosynthesis and molecular interactions, including:

  • Photosynthetic Processes and Mechanisms
  • Spectroscopy and Quantum Chemical Studies
  • Photoreceptor and Optogenetics Research
  • DNA Repair Mechanisms
  • Photochemistry and Electron Transfer Studies
  • Molecular Spectroscopy and Chirality
  • Protein Structure and Dynamics

Freiberg has coauthored research with several frequent collaborators, reflecting a network of joint scientific efforts. Notable frequent coauthors are:

  • Margus Rätsep
  • Kõu Timpmann
  • Liina Kangur
  • Zheng-Yu Wang-Otomo
  • Kristjan Leiger

The primary venues where Freiberg's research has been published include:

  • The Journal of Physical Chemistry B
  • Frontiers in Chemistry
  • Biochimica et Biophysica Acta (BBA) - Bioenergetics
  • Molecules
  • International Journal of Molecular Sciences

Selected recent papers authored or coauthored by Freiberg are:

  • "Establishment of the Qy Absorption Spectrum of Chlorophyll a Extending to Near-Infrared," 2020, published in Molecules
  • "Asymmetry in the Qy Fluorescence and Absorption Spectra of Chlorophyll a Pertaining to Exciton Dynamics," 2020, published in Frontiers in Chemistry
  • "Hysteretic Pressure Dependence of Ca2+ Binding in LH1 Bacterial Membrane Chromoproteins," 2023, published in The Journal of Physical Chemistry B
  • "The two light-harvesting membrane chromoproteins of Thermochromatium tepidum expose distinct robustness against temperature and pressure," 2020, published in Biochimica et Biophysica Acta (BBA) - Bioenergetics
  • "Hydrostatic High-Pressure-Induced Denaturation of LH2 Membrane Proteins," 2021, published in The Journal of Physical Chemistry B

Best Publications

  • Electron–phonon and vibronic couplings in the FMO bacteriochlorophyll a antenna complex studied by difference fluorescence line narrowing

    Margus Rätsep;Arvi Freiberg

  • Assignment of the Q -Bands of the Chlorophylls: Coherence Loss via Q x − Q y Mixing

    Jeffrey R. Reimers;Zheng-Li Cai;Rika Kobayashi;Margus Rätsep

  • Long-range molecular order as an efficient strategy for light harvesting in photosynthesis

    Zoya G. Fetisova;Arvi M. Freiberg;Kiu E. Timpmann

  • Demonstration and interpretation of significant asymmetry in the low-resolution and high-resolution Q(y) fluorescence and absorption spectra of bacteriochlorophyll a.

    Margus Rätsep;Zheng-Li Cai;Jeffrey R. Reimers;Arvi Freiberg

  • Surface excitons in ZnO crystals

    V.V. Travnikov;A. Freiberg;S.F. Savikhin

  • Mirror symmetry and vibrational structure in optical spectra of chlorophyll a

    Margus Rätsep;Juha Linnanto;Arvi Freiberg

  • Photosynthetic activity of far-red light in green plants

    Hugo Pettai;Vello Oja;Arvi Freiberg;Agu Laisk

  • Excitation Wavelength-Dependent Electron-Phonon and Electron-Vibrational Coupling in the CP29 Antenna Complex of Green Plants

    Margus Rätsep;Jörg Pieper;Klaus-Dieter Irrgang;Arvi Freiberg

  • Picosecond dynamics of directed excitation transfer in spectrally heterogeneous light-harvesting antenna of purple bacteria

    A. Freiberg;V.I. Godik;T. Pullerits;K. Timpman

  • Kinetics of picosecond bacteriochlorophyll luminescence in vivo as a function of the reaction center state

    A.Yu Borisov;A.M Freiberg;V.I Godik;K.K Rebane

  • Challenges facing an understanding of the nature of low-energy excited states in photosynthesis.

    Jeffrey R. Reimers;Jeffrey R. Reimers;Malgorzata Biczysko;Douglas Bruce;David F. Coker

  • Red spectral forms of chlorophylls in green plant PSI- A site-selective and high-pressure spectroscopy study

    Janne A. Ihalainen;Margus Rätsep;Poul Erik Jensen;Henrik Vibe Scheller

  • Detrapping of excitation energy from the reaction centre in the photosynthetic purple bacterium Rhodospirillum rubrum

    Kõu Timpmann;Fu Geng Zhang;Arvi Freiberg;Villy Sundström

  • Energy transfer in the inhomogeneously broadened core antenna of purple bacteria: a simultaneous fit of low-intensity picosecond absorption and fluorescence kinetics.

    T. Pullerits;K.J. Visscher;S. Hess;V. Sundström

  • Resonant emission from the B870 exciton state and electron–phonon coupling in the LH2 antenna chromoprotein

    Margus Rätsep;Arvi Freiberg

  • Excitonic polarons in quasi-one-dimensional LH1 and LH2 bacteriochlorophyll a antenna aggregates from photosynthetic bacteria : A wavelength-dependent selective spectroscopy study

    Arvi Freiberg;Margus Rätsep;Kõu Timpmann;Gediminas Trinkunas

  • Excitonic energy level structure and pigment-protein interactions in the recombinant water-soluble chlorophyll protein. I. Difference fluorescence line-narrowing.

    J. Pieper;M. Rätsep;I. Trostmann;H. Paulsen

  • Excitation energy transfer in chlorosomes of green bacteria: theoretical and experimental studies

    Z. Fetisova;A. Freiberg;K. Mauring;V. Novoderezhkin

  • Photosynthetic Vesicle Architecture and Constraints on Efficient Energy Harvesting

    Melih Şener;Johan Strümpfer;John A. Timney;Arvi Freiberg

  • Excitonic Energy Level Structure and Pigment−Protein Interactions in the Recombinant Water-Soluble Chlorophyll Protein. II. Spectral Hole-Burning Experiments

    J. Pieper;M. Rätsep;I. Trostmann;F.-J. Schmitt

  • Emitting excitonic polaron states in core LH1 and peripheral LH2 bacterial light-harvesting complexes

    Kou Timpmann;Margus Rätsep;C. Neil Hunter;Arvi Freiberg

Frequent Co-Authors

Jeffrey R. Reimers
Jeffrey R. Reimers University of Technology Sydney
C. Neil Hunter
C. Neil Hunter University of Sheffield
Tõnu Pullerits
Tõnu Pullerits Lund University
Neal W. Woodbury
Neal W. Woodbury Arizona State University
Richard J. Cogdell
Richard J. Cogdell University of Glasgow
Su Lin
Su Lin Arizona State University
Rienk van Grondelle
Rienk van Grondelle Vrije Universiteit Amsterdam
Agu Laisk
Agu Laisk University of Tartu
Klaus Schulten
Klaus Schulten University of Illinois at Urbana-Champaign
Gabor Tigyi
Gabor Tigyi University of Tennessee Health Science Center

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