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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Materials Science 55 8576 8281 364 360 115 11190
Chemistry 55 12139 10927 227 225 134 10717

Sang-Il Choi publications per year

The chart shows the history of publications by Sang-Il Choi between 1975 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Sang-Il Choi published across 52 years, from 1975 to 2026, averaging 3.9 papers a year. Output peaked at 18 publications in 2014. 16 of the 201 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1975 to 2026. Vertical axis: number of publications, 0 to 18. Peak 18 publications in 2014. 1975: 1 publication 1976: 0 publications 1977: 0 publications 1978: 0 publications 1979: 0 publications 1980: 0 publications 1981: 0 publications 1982: 0 publications 1983: 1 publication 1984: 0 publications 1985: 0 publications 1986: 0 publications 1987: 0 publications 1988: 0 publications 1989: 0 publications 1990: 0 publications 1991: 0 publications 1992: 0 publications 1993: 0 publications 1994: 0 publications 1995: 0 publications 1996: 0 publications 1997: 0 publications 1998: 0 publications 1999: 0 publications 2000: 0 publications 2001: 1 publication 2002: 0 publications 2003: 1 publication 2004: 0 publications 2005: 1 publication 2006: 1 publication 2007: 3 publications 2008: 4 publications 2009: 3 publications 2010: 3 publications 2011: 12 publications 2012: 7 publications 2013: 13 publications 2014: 18 publications 2015: 12 publications 2016: 13 publications 2017: 10 publications 2018: 12 publications 2019: 12 publications 2020: 12 publications 2021: 13 publications 2022: 8 publications 2023: 12 publications 2024: 12 publications 2025: 15 publications 2026: 1 publication
1975 2026

201 publications in total across all disciplines

View publications per year as a table
Sang-Il Choi: publications per year, 1975 to 2026
Year Publications
1975 1
1976 0
1977 0
1978 0
1979 0
1980 0
1981 0
1982 0
1983 1
1984 0
1985 0
1986 0
1987 0
1988 0
1989 0
1990 0
1991 0
1992 0
1993 0
1994 0
1995 0
1996 0
1997 0
1998 0
1999 0
2000 0
2001 1
2002 0
2003 1
2004 0
2005 1
2006 1
2007 3
2008 4
2009 3
2010 3
2011 12
2012 7
2013 13
2014 18
2015 12
2016 13
2017 10
2018 12
2019 12
2020 12
2021 13
2022 8
2023 12
2024 12
2025 15
2026 1
Total 201
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Sang-Il Choi publications per year - data summary

  • Sang-Il Choi, a Materials Science scholar from Kyungpook National University, has 201 publications recorded across 52 years, from 1975 to 2026.
  • The oldest publication on record dates to 1975 and the most recent to 2026.
  • The most productive year is 2014, with 18 publications.
  • The least productive years with any output are 1975, 1983, 2001, 2003 and others, with 1 publication each.
  • 26 of the 52 years in the span carry no publications at all (1976, 1977, 1978, 1979 and others).
  • The rate of publication averages 3.9 papers per year over the whole span, or 7.7 per year counting only the 26 years with at least one publication.
  • The last 5 years on the chart (2022-2026) hold 48 publications, 24% of the career total.
  • Split into equal eras - 1975-1992: 2 publications (0.1 per year); 1993-2010: 17 publications (0.9 per year); 2011-2026: 182 publications (11.4 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Sang-Il Choi publication distribution in Materials Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Materials Science in 2026. The highlighted bar marks where Sang-Il Choi sits on this spectrum.

No. of scientists
200 400 600 800
Bar chart with 57 bars. Horizontal axis: publications, 50–69 to 1,163+. Vertical axis: number of scientists, 0 to 891. Most scientists, 891, have 190–209 publications. The last bar groups every scientist with 1,163 publications or more. The highlighted bar, 110–129 publications, is where this scientist sits. 50–69 publications: 28 scientists 70–89 publications: 152 scientists 90–109 publications: 356 scientists 110–129 publications: 487 scientists 130–149 publications: 723 scientists 150–169 publications: 835 scientists 170–189 publications: 850 scientists 190–209 publications: 891 scientists 210–229 publications: 862 scientists 230–249 publications: 766 scientists 250–269 publications: 726 scientists 270–289 publications: 665 scientists 290–309 publications: 593 scientists 310–329 publications: 537 scientists 330–349 publications: 477 scientists 350–369 publications: 440 scientists 370–389 publications: 356 scientists 390–409 publications: 321 scientists 410–429 publications: 256 scientists 430–449 publications: 246 scientists 450–469 publications: 216 scientists 470–489 publications: 212 scientists 490–509 publications: 174 scientists 510–529 publications: 194 scientists 530–549 publications: 162 scientists 550–569 publications: 131 scientists 570–589 publications: 111 scientists 590–609 publications: 103 scientists 610–629 publications: 99 scientists 630–649 publications: 77 scientists 650–669 publications: 92 scientists 670–689 publications: 56 scientists 690–709 publications: 53 scientists 710–729 publications: 53 scientists 730–749 publications: 38 scientists 750–769 publications: 52 scientists 770–789 publications: 43 scientists 790–809 publications: 38 scientists 810–829 publications: 34 scientists 830–849 publications: 25 scientists 850–869 publications: 18 scientists 870–889 publications: 20 scientists 890–909 publications: 24 scientists 910–929 publications: 27 scientists 930–949 publications: 20 scientists 950–969 publications: 17 scientists 970–989 publications: 10 scientists 990–1,009 publications: 16 scientists 1,010–1,029 publications: 13 scientists 1,030–1,049 publications: 12 scientists 1,050–1,069 publications: 9 scientists 1,070–1,089 publications: 8 scientists 1,090–1,109 publications: 7 scientists 1,110–1,129 publications: 9 scientists 1,130–1,149 publications: 2 scientists 1,150–1,162 publications: 5 scientists 1,163+ publications: 100 scientists
50–69 publications 1,163+

This scientist: 115 publications — 5th percentile

5% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,163 publications or more.

View publications distribution as a table
Number of Materials Science scientists by publication count, Research.com 2026 ranking edition. Based on 12,847 ranked scientists.
Publications Scientists This scientist
50–69 28
70–89 152
90–109 356
110–129 487 115
130–149 723
150–169 835
170–189 850
190–209 891
210–229 862
230–249 766
250–269 726
270–289 665
290–309 593
310–329 537
330–349 477
350–369 440
370–389 356
390–409 321
410–429 256
430–449 246
450–469 216
470–489 212
490–509 174
510–529 194
530–549 162
550–569 131
570–589 111
590–609 103
610–629 99
630–649 77
650–669 92
670–689 56
690–709 53
710–729 53
730–749 38
750–769 52
770–789 43
790–809 38
810–829 34
830–849 25
850–869 18
870–889 20
890–909 24
910–929 27
930–949 20
950–969 17
970–989 10
990–1,009 16
1,010–1,029 13
1,030–1,049 12
1,050–1,069 9
1,070–1,089 8
1,090–1,109 7
1,110–1,129 9
1,130–1,149 2
1,150–1,162 5
1,163+ 100
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Sang-Il Choi publication distribution in Materials Science in 2026 - data summary

  • The chart plots the publication count of all 12,847 Materials Science scientists ranked by Research.com in 2026, grouped into 57 ranges running from 50–69 to 1,163+ publications.
  • Sang-Il Choi, a Materials Science scholar from Kyungpook National University, records 115 publications - the 5th percentile of the discipline.
  • 5% of ranked Materials Science scientists score the same or lower than Sang-Il Choi, and about 95% score higher.
  • The median of the discipline falls in the 250–269 publications range, and Sang-Il Choi ranks below the median.
  • The most crowded range is 190–209 publications, holding 891 scientists (7% of the field).
  • 70% of the field sits in the lowest quarter of the value range (up to 330–349 publications), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 1,163 publications or more, 100 scientists in all (<1% of the field).

Sang-Il Choi D-index placement in Materials Science in 2026

The chart shows the D-index (discipline H-index) distribution of Materials Science scientists ranked by Research.com in 2026. The highlighted bar marks where Sang-Il Choi sits on this spectrum.

No. of scientists
200 400 600
Bar chart with 64 bars. Horizontal axis: D-Index, 40–41 to 165+. Vertical axis: number of scientists, 0 to 667. Most scientists, 667, have 52–53 D-Index. The last bar groups every scientist with 165 D-Index or more. The highlighted bar, 54–55 D-Index, is where this scientist sits. 40–41 D-Index: 211 scientists 42–43 D-Index: 450 scientists 44–45 D-Index: 612 scientists 46–47 D-Index: 612 scientists 48–49 D-Index: 598 scientists 50–51 D-Index: 657 scientists 52–53 D-Index: 667 scientists 54–55 D-Index: 621 scientists 56–57 D-Index: 597 scientists 58–59 D-Index: 610 scientists 60–61 D-Index: 587 scientists 62–63 D-Index: 606 scientists 64–65 D-Index: 533 scientists 66–67 D-Index: 490 scientists 68–69 D-Index: 469 scientists 70–71 D-Index: 378 scientists 72–73 D-Index: 421 scientists 74–75 D-Index: 359 scientists 76–77 D-Index: 323 scientists 78–79 D-Index: 299 scientists 80–81 D-Index: 230 scientists 82–83 D-Index: 210 scientists 84–85 D-Index: 195 scientists 86–87 D-Index: 203 scientists 88–89 D-Index: 175 scientists 90–91 D-Index: 175 scientists 92–93 D-Index: 142 scientists 94–95 D-Index: 121 scientists 96–97 D-Index: 117 scientists 98–99 D-Index: 107 scientists 100–101 D-Index: 88 scientists 102–103 D-Index: 85 scientists 104–105 D-Index: 68 scientists 106–107 D-Index: 62 scientists 108–109 D-Index: 57 scientists 110–111 D-Index: 45 scientists 112–113 D-Index: 49 scientists 114–115 D-Index: 50 scientists 116–117 D-Index: 34 scientists 118–119 D-Index: 38 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 29 scientists 124–125 D-Index: 28 scientists 126–127 D-Index: 24 scientists 128–129 D-Index: 33 scientists 130–131 D-Index: 28 scientists 132–133 D-Index: 21 scientists 134–135 D-Index: 20 scientists 136–137 D-Index: 23 scientists 138–139 D-Index: 17 scientists 140–141 D-Index: 12 scientists 142–143 D-Index: 17 scientists 144–145 D-Index: 21 scientists 146–147 D-Index: 13 scientists 148–149 D-Index: 11 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 13 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 4 scientists 162–163 D-Index: 4 scientists 164 D-Index: 3 scientists 165+ D-Index: 98 scientists
40–41 D-Index 165+

This scientist: 55 D-Index — 34th percentile

34% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 165 D-Index or more.

View D-Index distribution as a table
Number of Materials Science scientists by D-index, Research.com 2026 ranking edition. Based on 12,847 ranked scientists.
D-Index Scientists This scientist
40–41 211
42–43 450
44–45 612
46–47 612
48–49 598
50–51 657
52–53 667
54–55 621 55
56–57 597
58–59 610
60–61 587
62–63 606
64–65 533
66–67 490
68–69 469
70–71 378
72–73 421
74–75 359
76–77 323
78–79 299
80–81 230
82–83 210
84–85 195
86–87 203
88–89 175
90–91 175
92–93 142
94–95 121
96–97 117
98–99 107
100–101 88
102–103 85
104–105 68
106–107 62
108–109 57
110–111 45
112–113 49
114–115 50
116–117 34
118–119 38
120–121 37
122–123 29
124–125 28
126–127 24
128–129 33
130–131 28
132–133 21
134–135 20
136–137 23
138–139 17
140–141 12
142–143 17
144–145 21
146–147 13
148–149 11
150–151 14
152–153 13
154–155 9
156–157 10
158–159 7
160–161 4
162–163 4
164 3
165+ 98
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Sang-Il Choi D-index placement in Materials Science in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 12,847 Materials Science scientists ranked by Research.com in 2026, grouped into 64 ranges running from 40–41 to 165+ D-Index.
  • Sang-Il Choi, a Materials Science scholar from Kyungpook National University, records 55 D-Index - the 34th percentile of the discipline.
  • 34% of ranked Materials Science scientists score the same or lower than Sang-Il Choi, and about 66% score higher.
  • The median of the discipline falls in the 62–63 D-Index range, and Sang-Il Choi ranks below the median.
  • The most crowded range is 52–53 D-Index, holding 667 scientists (5% of the field).
  • 68% of the field sits in the lowest quarter of the value range (up to 70–71 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 165 D-Index or more, 98 scientists in all (<1% of the field).

Overview

Sang-Il Choi is a researcher affiliated with Kyungpook National University in South Korea. Their work spans a variety of topics in the fields of energy and engineering, with a noteworthy focus on the subfields of renewable energy, sustainability and the environment, electrical and electronic engineering, materials chemistry, catalysis, and electrochemistry.

The primary research topics covered by Sang-Il Choi include:

  • Electrocatalysts for Energy Conversion
  • Fuel Cells and Related Materials
  • Advanced Battery Technologies Research
  • Advanced Photocatalysis Techniques
  • Catalytic Processes in Materials Science
  • CO2 Reduction Techniques and Catalysts
  • Ammonia Synthesis and Nitrogen Reduction

Sang-Il Choi has contributed research published in several scientific journals, with frequent appearances in the following venues:

  • Advanced Energy Materials
  • Journal of Materials Chemistry A
  • Advanced Functional Materials
  • Small
  • ACS Catalysis

The list of recently published papers includes:

  • Nanocatalyst Design for Long-Term Operation of Proton/Anion Exchange Membrane Water Electrolysis, 2020, Advanced Energy Materials
  • Template-Directed Rapid Synthesis of Pd-Based Ultrathin Porous Intermetallic Nanosheets for Efficient Oxygen Reduction, 2021, Angewandte Chemie International Edition
  • Surface Engineering in Improving Activity of Pt Nanocubes for Ammonia Electrooxidation Reaction, 2020, Applied Catalysis B: Environmental
  • Recent Advances in Non-Precious Group Metal-Based Catalysts for Water Electrolysis and Beyond, 2021, Journal of Materials Chemistry A
  • A Review on MXene as Promising Support Materials for Oxygen Evolution Reaction Catalysts, 2023, Advanced Functional Materials

Sang-Il Choi frequently collaborates with several researchers, including:

  • Mrinal Kanti Kabiraz
  • Jeonghyeon Kim
  • Kwangyeol Lee
  • Joyjit Kundu
  • Hee Jin Kim

Best Publications

  • Platinum-based nanocages with subnanometer-thick walls and well-defined, controllable facets

    Lei Zhang;Lei Zhang;Luke T. Roling;Xue Wang;Xue Wang;Madeline Vara

  • Synthesis and Characterization of 9 nm Pt–Ni Octahedra with a Record High Activity of 3.3 A/mgPt for the Oxygen Reduction Reaction

    Sang Il Choi;Shuifen Xie;Minhua Shao;Jonathan H. Odell

  • Morphology‐Controlled Metal Sulfides and Phosphides for Electrochemical Water Splitting

    Jinwhan Joo;Taekyung Kim;Jaeyoung Lee;Sang Il Choi

  • Palladium–platinum core-shell icosahedra with substantially enhanced activity and durability towards oxygen reduction

    Xue Wang;Sang Il Choi;Luke T. Roling;Ming Luo

  • Atomic Layer-by-Layer Deposition of Pt on Pd Nanocubes for Catalysts with Enhanced Activity and Durability toward Oxygen Reduction

    Shuifen Xie;Sang Il Choi;Ning Lu;Luke T. Roling

  • Facile Synthesis of Sub-20 nm Silver Nanowires through a Bromide-Mediated Polyol Method

    Robson Rosa da Silva;Robson Rosa da Silva;Miaoxin Yang;Sang-Il Choi;Miaofang Chi

  • Electrochemical surface area measurements of platinum- and palladium-based nanoparticles

    Minhua Shao;Jonathan H. Odell;Sang-Il Choi;Younan Xia

  • Atomic layer-by-layer deposition of platinum on palladium octahedra for enhanced catalysts toward the oxygen reduction reaction.

    Jinho Park;Lei Zhang;Sang Il Choi;Luke T. Roling

  • Ultrathin Free-Standing Ternary-Alloy Nanosheets.

    Jong Wook Hong;Yena Kim;Dae Han Wi;Seunghoon Lee

  • Polyol Synthesis of Ultrathin Pd Nanowires via Attachment-Based Growth and Their Enhanced Activity towards Formic Acid Oxidation

    Yi Wang;Yi Wang;Sang-Il Choi;Xin Zhao;Shuifen Xie

  • Synthesis and Characterization of Pd@Pt–Ni Core–Shell Octahedra with High Activity toward Oxygen Reduction

    Sang Il Choi;Minhua Shao;Ning Lu;Aleksey Ruditskiy

  • Nanocatalyst Design for Long-Term Operation of Proton/Anion Exchange Membrane Water Electrolysis

    Haneul Jin;Bibi Ruqia;Yeji Park;Hee Jin Kim

  • Pt and Pt-Ni(OH) 2 Electrodes for the Hydrogen Evolution Reaction in Alkaline Electrolytes and Their Nanoscaled Electrocatalysts

    Bibi Ruqia;Sang-Il Choi

  • Template‐Directed Rapid Synthesis of Pd‐Based Ultrathin Porous Intermetallic Nanosheets for Efficient Oxygen Reduction

    Jingchun Guo;Lei Gao;Xin Tan;Yuliang Yuan

  • Preparation and Optical Properties of Colloidal, Monodisperse, and Highly Crystalline ITO Nanoparticles

    Sang-Il Choi;Ki Min Nam;Bo Keun Park;Won Seok Seo

  • Single-crystalline hollow face-centered-cubic cobalt nanoparticles from solid face-centered-cubic cobalt oxide nanoparticles.

    Ki Min Nam;Jae Ha Shim;Hosung Ki;Sang-Il Choi

  • Pd–Cu Bimetallic Tripods: A Mechanistic Understanding of the Synthesis and Their Enhanced Electrocatalytic Activity for Formic Acid Oxidation

    Lei Zhang;Lei Zhang;Sang-Il Choi;Jing Tao;Hsin-Chieh Peng

  • Kinetically controlled synthesis of Pt–Cu alloy concave nanocubes with high-index facets for methanol electro-oxidation

    Yue Qi;Ting Bian;Sang-Il Choi;Yingying Jiang

  • Facile synthesis of palladium right bipyramids and their use as seeds for overgrowth and as catalysts for formic acid oxidation.

    Xiaohu Xia;Sang Il Choi;Jeffrey A. Herron;Ning Lu

  • Catalysis on faceted noble-metal nanocrystals: both shape and size matter

    Shuifen Xie;Shuifen Xie;Sang-Il Choi;Xiaohu Xia;Younan Xia;Younan Xia

  • Dendrite-Embedded Platinum–Nickel Multiframes as Highly Active and Durable Electrocatalyst toward the Oxygen Reduction Reaction

    Hyukbu Kwon;Mrinal Kanti Kabiraz;Jongsik Park;Aram Oh

Frequent Co-Authors

Younan Xia
Younan Xia Johns Hopkins University
Kwangyeol Lee
Kwangyeol Lee Korea University
Hionsuck Baik
Hionsuck Baik Samsung (South Korea)
Shuifen Xie
Shuifen Xie Huaqiao University
Minhua Shao
Minhua Shao Hong Kong University of Science and Technology
Sang Woo Han
Sang Woo Han Korea Advanced Institute of Science and Technology
Moon J. Kim
Moon J. Kim The University of Texas at Dallas
Jinguo Wang
Jinguo Wang The University of Texas at Dallas
Miaofang Chi
Miaofang Chi Oak Ridge National Laboratory
Jingyue Liu
Jingyue Liu Arizona State University

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