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Hitoshi Tamiaki

Hitoshi Tamiaki

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 65 7645 6933 508 477 594 15407

Hitoshi Tamiaki publications per year

The chart shows the history of publications by Hitoshi Tamiaki between 1982 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Hitoshi Tamiaki published across 44 years, from 1982 to 2025, averaging 14.9 papers a year. Output peaked at 39 publications in 2020. 48 of the 656 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1982 to 2025. Vertical axis: number of publications, 0 to 39. Peak 39 publications in 2020. 1982: 1 publication 1983: 0 publications 1984: 1 publication 1985: 3 publications 1986: 6 publications 1987: 4 publications 1988: 1 publication 1989: 0 publications 1990: 1 publication 1991: 3 publications 1992: 3 publications 1993: 4 publications 1994: 6 publications 1995: 1 publication 1996: 7 publications 1997: 9 publications 1998: 11 publications 1999: 12 publications 2000: 5 publications 2001: 16 publications 2002: 15 publications 2003: 7 publications 2004: 18 publications 2005: 25 publications 2006: 20 publications 2007: 17 publications 2008: 25 publications 2009: 21 publications 2010: 24 publications 2011: 16 publications 2012: 26 publications 2013: 29 publications 2014: 30 publications 2015: 27 publications 2016: 20 publications 2017: 24 publications 2018: 31 publications 2019: 29 publications 2020: 39 publications 2021: 27 publications 2022: 19 publications 2023: 25 publications 2024: 27 publications 2025: 21 publications
1982 2025

656 publications in total across all disciplines

View publications per year as a table
Hitoshi Tamiaki: publications per year, 1982 to 2025
Year Publications
1982 1
1983 0
1984 1
1985 3
1986 6
1987 4
1988 1
1989 0
1990 1
1991 3
1992 3
1993 4
1994 6
1995 1
1996 7
1997 9
1998 11
1999 12
2000 5
2001 16
2002 15
2003 7
2004 18
2005 25
2006 20
2007 17
2008 25
2009 21
2010 24
2011 16
2012 26
2013 29
2014 30
2015 27
2016 20
2017 24
2018 31
2019 29
2020 39
2021 27
2022 19
2023 25
2024 27
2025 21
Total 656
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Hitoshi Tamiaki 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 Hitoshi Tamiaki 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, 581–600 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: 594 publications — 93rd percentile

93% 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
421–440 327
441–460 270
461–480 265
481–500 252
501–520 201
521–540 185
541–560 148
561–580 148
581–600 132 594
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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Hitoshi Tamiaki 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 Hitoshi Tamiaki 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, 64–65 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: 65 D-Index — 58th percentile

58% 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 65
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

Hitoshi Tamiaki is affiliated with Ritsumeikan University in Japan and has an extensive research portfolio spanning the fields of Materials Science and Biochemistry, Genetics and Molecular Biology. Their work integrates multiple subfields, including Molecular Biology, Materials Chemistry, Electrical and Electronic Engineering, Renewable Energy, Sustainability and the Environment, and Inorganic Chemistry.

Their research primarily focuses on topics such as Photosynthetic Processes and Mechanisms, Porphyrin and Phthalocyanine Chemistry, Metal-Catalyzed Oxygenation Mechanisms, Photoreceptor and Optogenetics Research, Perovskite Materials and Applications, Spectroscopy and Quantum Chemical Studies, and MXene and MAX Phase Materials.

Among their recent publications are the following papers:

  • Chlorophyll Derivative-Sensitized TiO2 Electron Transport Layer for Record Efficiency of Cs2AgBiBr6 Double Perovskite Solar Cells, 2021, Journal of the American Chemical Society
  • Photoactive Zn-Chlorophyll Hole Transporter-Sensitized Lead-Free Cs2AgBiBr6 Perovskite Solar Cells, 2020, Solar RRL
  • Chlorosome-Like Molecular Aggregation of Chlorophyll Derivative on Ti3C2Tx MXene Nanosheets for Efficient Noble Metal-Free Photocatalytic Hydrogen Evolution, 2020, Advanced Materials Interfaces
  • Semisynthetic Chlorophyll Derivatives Toward Solar Energy Applications, 2020, Solar RRL
  • Supramolecular chlorophyll aggregates inspired from specific light-harvesting antenna "chlorosome": Static nanostructure, dynamic construction process, and versatile application, 2020, Journal of Photochemistry and Photobiology C Photochemistry Reviews

Tamiaki's frequent co-authors include:

  • Shin-ichi Sasaki
  • Xiaofeng Wang
  • Shin Ogasawara
  • Mitsuaki Hirose
  • Jiro Harada

Their research has been published repeatedly in a selection of specialized scientific journals. Frequent publication venues include:

  • Journal of Photochemistry and Photobiology A Chemistry
  • Tetrahedron
  • Chemistry Letters
  • Bulletin of the Chemical Society of Japan
  • Journal of Porphyrins and Phthalocyanines

Best Publications

  • Synthetic Zinc and Magnesium Chlorin Aggregates as Models for Supramolecular Antenna Complexes in Chlorosomes of Green Photosynthetic Bacteria

    Hitoshi Tamiaki;Masaaki Amakawa;Yoshiyuki Shimono;Rikuhei Tanikaga

  • Supramolecular structure in extramembraneous antennae of green photosynthetic bacteria

    Hitoshi Tamiaki

  • Spectral properties of single light-harvesting complexes in bacterial photosynthesis

    Yoshitaka Saga;Yutaka Shibata;Hitoshi Tamiaki

  • Self-aggregation of synthetic zinc chlorins with a chiral 1-hydroxyethyl group as a model for in vivo epimeric bacteriochlorophyll-c and d aggregates

    Hitoshi Tamiaki;Shoichiro Takeuchi;Seiichi Tsudzuki;Tomohiro Miyatake

  • The 17‐Propionate Function of (Bacterio)chlorophylls: Biological Implication of Their Long Esterifying Chains in Photosynthetic Systems†

    Hitoshi Tamiaki;Reiko Shibata;Tadashi Mizoguchi

  • Photocatalytic degradation of methylene blue by TiO2 film and Au particles-TiO2 composite film

    Chihiro Yogi;Kazuo Kojima;Noriyuki Wada;Hiroshi Tokumoto

  • X-ray crystal structure of the light-independent protochlorophyllide reductase

    Norifumi Muraki;Jiro Nomata;Kozue Ebata;Tadashi Mizoguchi

  • Cyclic tetrapyrrole based molecules for dye-sensitized solar cells

    Xiao-Feng Wang;Hitoshi Tamiaki

  • Chlorophyll Derivative-Sensitized TiO2 Electron Transport Layer for Record Efficiency of Cs2AgBiBr6 Double Perovskite Solar Cells.

    Baoning Wang;Na Li;Lin Yang;Chunxiang Dall’Agnese

  • Self-aggregates of natural chlorophylls and their synthetic analogues in aqueous media for making light-harvesting systems

    Tomohiro Miyatake;Hitoshi Tamiaki

  • Self-aggregates of bacteriochlorophylls-c, d and e in a light-harvesting antenna system of green photosynthetic bacteria: Effect of stereochemistry at the chiral 3-(1-hydroxyethyl) group on the supramolecular arrangement of chlorophyllous pigments

    Tomohiro Miyatake;Hitoshi Tamiaki

  • Self‐Assembly of an Artificial Light‐Harvesting Antenna: Energy Transfer from a Zinc Chlorin to a Bacteriochlorin in a Supramolecular Aggregate

    Hitoshi Tamiaki;Tomohiro Miyatake;Rikukei Tanikaga;Alfred R. Holzwarth

  • Chlorophyll-a Derivatives with Various Hydrocarbon Ester Groups for Efficient Dye-Sensitized Solar Cells: Static and Ultrafast Evaluations on Electron Injection and Charge Collection Processes

    Xiao-Feng Wang;Xiao-Feng Wang;Hitoshi Tamiaki;Li Wang;Naoto Tamai

  • A second nitrogenase-like enzyme for bacteriochlorophyll biosynthesis: reconstitution of chlorophyllide a reductase with purified X-protein (BchX) and YZ-protein (BchY-BchZ) from Rhodobacter capsulatus.

    Jiro Nomata;Tadashi Mizoguchi;Hitoshi Tamiaki;Yuichi Fujita

  • Recognition and sensing of chiral biological substrates via lanthanide coordination chemistry

    Hiroshi Tsukube;Satoshi Shinoda;Hitoshi Tamiaki

  • Aggregation of synthetic zinc chlorins with several esterified alkyl chains as models of bacteriochlorophyll-c homologs

    Hitoshi Tamiaki;Shinya Miyata;Yasuhiko Kureishi;Rikuhei Tanikaga

  • Efficient Dye-Sensitized Solar Cell Based on oxo-Bacteriochlorin Sensitizers with Broadband Absorption Capability

    Xiao-Feng Wang;Osamu Kitao;Haoshen Zhou;Hitoshi Tamiaki

  • Dye-sensitized solar cells using a chlorophyll a derivative as the sensitizer and carotenoids having different conjugation lengths as redox spacers

    Xiao-Feng Wang;Junfeng Xiang;Peng Wang;Yasushi Koyama

  • Resonance Raman-Spectroscopic Study of Metallochlorin Aggregates - Implications for the Supramolecular Structure in Chlorosomal Bchl-C Antennae of Green Bacteria

    Peter Hildebrandt;Hitoshi Tamiaki;Alfred R. Holzwarth;Kurt Schaffner

  • Synthetic zinc tetrapyrroles complexing with pyridine as a single axial ligand.

    Hitoshi Tamiaki;Shiki Yagai;Tomohiro Miyatake

  • Effects of plant carotenoid spacers on the performance of a dye-sensitized solar cell using a chlorophyll derivative: Enhancement of photocurrent determined by one electron-oxidation potential of each carotenoid

    Xiao-Feng Wang;Arihiro Matsuda;Yasushi Koyama;Hiroyoshi Nagae

Frequent Co-Authors

Xiao-Feng Wang
Xiao-Feng Wang Jilin University
Kazuhiro Maruyama
Kazuhiro Maruyama Kyoto University
Alfred R. Holzwarth
Alfred R. Holzwarth Vrije Universiteit Amsterdam
Shigeru Itoh
Shigeru Itoh Nagoya University
Kurt Schaffner
Kurt Schaffner Max Planck Society
Shiki Yagai
Shiki Yagai Chiba University
Hideki Hashimoto
Hideki Hashimoto Kwansei Gakuin University
Tsutomu Miyasaka
Tsutomu Miyasaka Toin University of Yokohama
Ken Yamamoto
Ken Yamamoto Kurume University
Yasushi Koyama
Yasushi Koyama Kwansei Gakuin University

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