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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 47 15739 14197 1239 1124 220 7088

Nobuaki Nakashima publications per year

The chart shows the history of publications by Nobuaki Nakashima between 1970 and 2022, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Nobuaki Nakashima published across 53 years, from 1970 to 2022, averaging 4.5 papers a year. Output peaked at 14 publications in 1983. 4 of the 236 publications appeared in the last two years.

No. of publications
5 10
Bar chart. Horizontal axis: year, 1970 to 2022. Vertical axis: number of publications, 0 to 14. Peak 14 publications in 1983. 1970: 1 publication 1971: 2 publications 1972: 2 publications 1973: 4 publications 1974: 0 publications 1975: 4 publications 1976: 2 publications 1977: 3 publications 1978: 2 publications 1979: 2 publications 1980: 7 publications 1981: 7 publications 1982: 6 publications 1983: 14 publications 1984: 9 publications 1985: 8 publications 1986: 8 publications 1987: 9 publications 1988: 6 publications 1989: 6 publications 1990: 3 publications 1991: 3 publications 1992: 10 publications 1993: 8 publications 1994: 1 publication 1995: 7 publications 1996: 10 publications 1997: 5 publications 1998: 6 publications 1999: 8 publications 2000: 10 publications 2001: 7 publications 2002: 2 publications 2003: 2 publications 2004: 2 publications 2005: 7 publications 2006: 4 publications 2007: 5 publications 2008: 7 publications 2009: 3 publications 2010: 4 publications 2011: 3 publications 2012: 0 publications 2013: 2 publications 2014: 1 publication 2015: 1 publication 2016: 4 publications 2017: 1 publication 2018: 1 publication 2019: 1 publication 2020: 2 publications 2021: 1 publication 2022: 3 publications
1970 2022

236 publications in total across all disciplines

View publications per year as a table
Nobuaki Nakashima: publications per year, 1970 to 2022
Year Publications
1970 1
1971 2
1972 2
1973 4
1974 0
1975 4
1976 2
1977 3
1978 2
1979 2
1980 7
1981 7
1982 6
1983 14
1984 9
1985 8
1986 8
1987 9
1988 6
1989 6
1990 3
1991 3
1992 10
1993 8
1994 1
1995 7
1996 10
1997 5
1998 6
1999 8
2000 10
2001 7
2002 2
2003 2
2004 2
2005 7
2006 4
2007 5
2008 7
2009 3
2010 4
2011 3
2012 0
2013 2
2014 1
2015 1
2016 4
2017 1
2018 1
2019 1
2020 2
2021 1
2022 3
Total 236
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Nobuaki Nakashima 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 Nobuaki Nakashima 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, 201–220 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: 220 publications — 40th percentile

40% 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 1,281 220
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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Nobuaki Nakashima 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 Nobuaki Nakashima 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, 46–47 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: 47 D-Index — 14th percentile

14% 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 47
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

Nobuaki Nakashima is affiliated with Osaka Metropolitan University in Japan and has contributed to various fields including chemistry, physics and astronomy, and materials science. Their research spans several subfields such as atomic and molecular physics and optics, inorganic chemistry, materials chemistry, spectroscopy, and analytical chemistry.

Their work frequently addresses topics related to radioactive element chemistry and processing, mass spectrometry techniques and applications, laser-matter interactions and applications, lanthanide and transition metal complexes, analytical chemistry methods development, ion-surface interactions and analysis, and nuclear materials and radiation effects.

Recent publications by Nobuaki Nakashima include:

  • Smallest Organic Tetracation in the Gas Phase: Stability of Multiply Charged Diiodoacetylene Produced in Intense Femtosecond Laser Fields (2021), The Journal of Physical Chemistry A
  • Marking actinides for separation: Resonance-enhanced multiphoton charge transfer in actinide complexes (2022), Science Advances
  • An electron-capture efficiency in femtosecond filamentation (2020), Chemical Physics Letters
  • Reduction and precipitation of aqueous europium (III) under an air atmosphere by near-infrared femtosecond laser pulses (2022), Journal of Photochemistry and Photobiology A Chemistry
  • Laser-fluence dependence of resonance-enhanced multiphoton reduction of trivalent europium (2022), Chemical Physics Letters

Nakashima has published predominantly in the following venues:

  • Chemical Physics Letters
  • The Journal of Physical Chemistry A
  • Science Advances
  • Journal of Photochemistry and Photobiology A Chemistry

Frequent collaborators include:

  • Tomoyuki Yatsuhashi
  • Shohei Matsuda
  • Keiichi Yokoyama
  • Kenji Sakota
  • Takashi Kawaguchi

Best Publications

  • Fluorescence decays and spectral properties of rhodamine B in submono-, mono-, and multilayer systems

    Klaus Kemnitz;Naoto Tamai;Iwao Yamazaki;Nobuaki Nakashima

  • PICOSECOND FLUORESCENCE LIFETIMES OF ANTHRAQUINONE DERIVATIVES. RADIATIONLESS DEACTIVATION VIA INTRA- AND INTERMOLECULAR HYDROGEN BONDS

    H. Inoue;M. Hida;N. Nakashima;K. Yoshihara

  • Luminescence of Novel Neodymium Sulfonylaminate Complexes in Organic Media

    Yasuchika Hasegawa;Takashi Ohkubo;Kensaku Sogabe;Yuichiro Kawamura

  • Efficient and selective electron mediation of cobalt complexes with cyclam and related macrocycles in the p-terphenyl-catalyzed photoreduction of CO2

    Shinjiro Matsuoka;Kiichi Yamamoto;Tomoyuki Ogata;Mitsuhiro Kusaba

  • Enhanced Emission of Deuterated Tris(hexafluoroacetylacetonato)neodymium(III) Complex in Solution by Suppression of Radiationless Transition via Vibrational Excitation

    Yasuchika Hasegawa;Yasutaka Kimura;Kei Murakoshi;Yuji Wada

  • Temperature dependence of fluorescence lifetimes of trans-stilbene

    M. Sumitani;N. Nakashima;K. Yoshihara;S. Nagakura

  • Picosecond Flash Spectroscopy of Solvent-Induced Intramolecular Electron Transfer in the Excited 9,9′-Bianthryl

    Nobuaki Nakashima;Masamichi Murakawa;Noboru Mataga

  • Enhancement of luminescence of Nd3+ complexes with deuterated hexafluoroacetylacetonato ligands in organic solvent

    Yasuchika Hasegawa;Kei Murakoshi;Yuji Wada;Shozo Yanagida

  • Phenazine-Photosensitized Reduction of CO2 Mediated by a Cobalt-Cyclam Complex through Electron and Hydrogen Transfer

    Tomoyuki Ogata;Yoshie Yamamoto;Yuji Wada;Kei Murakoshi

  • Laser flash photolysis of benzene. VIII. Formation of hot benzene from the S2 state and its collisional deactivation

    Nobuaki Nakashima;Keitaro Yoshihara

  • Photocatalysis of oligo(p-phenylenes). Photochemical reduction of carbon dioxide with triethylamine

    Shinjiro Matsuoka;Takao Kohzuki;Chyongjin Pac;Akito Ishida

  • Photocatalysis of oligo(p-phenylenes): photoreductive production of hydrogen and ethanol in aqueous triethylamine

    Shinjiro Matsuoka;Hiroyuki Fujii;Taisuke Yamada;Chyongjin Pac

  • Femtosecond-picosecond fluorescence studies on excited state dynamics of photoactive yellow protein from Ectothiorhodospira halophila

    Haik Chosrowjan;Noboru Mataga;Nobuaki Nakashima;Yasushi Imamoto

  • A key factor in parent and fragment ion formation on irradiation with an intense femtosecond laser pulse

    Hideo Harada;Seiji Shimizu;Tomoyuki Yatsuhashi;Shuji Sakabe

  • LASER PHOTOLYSIS OF BENZENE. V. FORMATION OF HOT BENZENE

    N. Nakashima;K. Yoshihara

  • PICOSECOND FLASH PHOTOLYSIS OF CIS‐ AND TRANS‐STILBENE. OBSERVATION OF AN INTENSE INTRAMOLECULAR CHARGE‐RESONANCE TRANSITION

    K. Yoshihara;A. Namiki;M. Sumitani;N. Nakashima

  • Time‐resolved measurements of electron and energy transfer of rhodamine B monolayer on the surface of organic crystals

    Nobuaki Nakashima;Keitaro Yoshihara;Frank Willig

  • Nanosecond laser photolysis of the benzene monomer and eximer

    Nobuaki Nakashima;Minoru Sumitani;Iwao Ohmine;Keitaro Yoshihara

  • Picosecond Laser Spectroscopy of Intramolecular Heteroexcimer Systems. Time-resolved Fluorescence Studies of p-(CH3)2NC6H4–(CH2)n–(9-Anthryl), p-(CH3)2NC6H4–(1-Pyrenyl) Systems and 9,9′-Bianthryl

    Masahito Migita;Tadashi Okada;Noboru Mataga;Yoshiteru Sakata

  • Role of hot molecules formed by internal conversion in UV single-photon and multiphoton chemistry

    Nobuaki Nakashima;Keitaro Yoshihara

Frequent Co-Authors

Keitaro Yoshihara
Keitaro Yoshihara Tokyo Metropolitan University
Yuji Wada
Yuji Wada Tokyo Institute of Technology
Shozo Yanagida
Shozo Yanagida Osaka University
Kei Murakoshi
Kei Murakoshi Hokkaido University
Yasuchika Hasegawa
Yasuchika Hasegawa Hokkaido University
Noboru Mataga
Noboru Mataga Osaka University
Hiizu Iwamura
Hiizu Iwamura Nihon University
Iwao Yamazaki
Iwao Yamazaki Hokkaido University
Takayuki Kitamura
Takayuki Kitamura Osaka University
Tadashi Sugawara
Tadashi Sugawara Kanagawa University

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