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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 61 9468 8574 2658 2186 316 10327

Karl Seff publications per year

The chart shows the history of publications by Karl Seff between 1967 and 2021, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Karl Seff published across 55 years, from 1967 to 2021, averaging 5.7 papers a year. Output peaked at 20 publications in 1978. 5 of the 316 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1967 to 2021. Vertical axis: number of publications, 0 to 20. Peak 20 publications in 1978. 1967: 1 publication 1968: 2 publications 1969: 1 publication 1970: 0 publications 1971: 1 publication 1972: 13 publications 1973: 10 publications 1974: 8 publications 1975: 10 publications 1976: 8 publications 1977: 13 publications 1978: 20 publications 1979: 10 publications 1980: 7 publications 1981: 8 publications 1982: 5 publications 1983: 6 publications 1984: 3 publications 1985: 2 publications 1986: 2 publications 1987: 8 publications 1988: 7 publications 1989: 5 publications 1990: 4 publications 1991: 2 publications 1992: 4 publications 1993: 7 publications 1994: 10 publications 1995: 2 publications 1996: 5 publications 1997: 14 publications 1998: 8 publications 1999: 9 publications 2000: 15 publications 2001: 7 publications 2002: 5 publications 2003: 8 publications 2004: 6 publications 2005: 5 publications 2006: 6 publications 2007: 2 publications 2008: 1 publication 2009: 2 publications 2010: 5 publications 2011: 4 publications 2012: 4 publications 2013: 2 publications 2014: 5 publications 2015: 3 publications 2016: 5 publications 2017: 4 publications 2018: 3 publications 2019: 4 publications 2020: 2 publications 2021: 3 publications
1967 2021

316 publications in total across all disciplines

View publications per year as a table
Karl Seff: publications per year, 1967 to 2021
Year Publications
1967 1
1968 2
1969 1
1970 0
1971 1
1972 13
1973 10
1974 8
1975 10
1976 8
1977 13
1978 20
1979 10
1980 7
1981 8
1982 5
1983 6
1984 3
1985 2
1986 2
1987 8
1988 7
1989 5
1990 4
1991 2
1992 4
1993 7
1994 10
1995 2
1996 5
1997 14
1998 8
1999 9
2000 15
2001 7
2002 5
2003 8
2004 6
2005 5
2006 6
2007 2
2008 1
2009 2
2010 5
2011 4
2012 4
2013 2
2014 5
2015 3
2016 5
2017 4
2018 3
2019 4
2020 2
2021 3
Total 316
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Karl Seff 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 Karl Seff 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, 301–320 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: 316 publications — 67th percentile

67% 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
301–320 764 316
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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Karl Seff 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 Karl Seff 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, 60–61 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: 61 D-Index — 49th percentile

49% 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 61
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

Karl Seff is affiliated with the University of Hawaii at Manoa in the United States and works primarily in the field of Materials Science. Their research spans several subfields including Materials Chemistry, Electrical and Electronic Engineering, Inorganic Chemistry, Industrial and Manufacturing Engineering, and Biomaterials.

The scientist's work focuses heavily on Perovskite Materials and Applications, Luminescence Properties of Advanced Materials, Quantum Dots Synthesis and Properties, Chemical Synthesis and Characterization, Zeolite Catalysis and Synthesis, Clay Minerals and Soil Interactions, and broader topics in Inorganic Chemistry and Materials.

Karl Seff has published extensively across several scientific venues. Frequent publication outlets include:

  • The Journal of Physical Chemistry C (3 publications)
  • Advanced Materials (1 publication)
  • Microporous and Mesoporous Materials (1 publication)
  • The Cambridge Structural Database (1 publication)

Recent scientific papers authored or coauthored by Karl Seff cover a range of topics related to quantum dots, zeolites, and luminescence. These include:

  • "Quantum Dots of Na4Cs6PbBr48+, Water Stable in Zeolite X, Luminesce Sharply in the Green," 2020, Advanced Materials
  • "Using Crystallography and NMR to Count the Number of Three-Aluminum Six-Rings in Fully Zn2+-Exchanged Zeolite Y. These Six-Rings Concentrate at Single Six-Ring Positions," 2021, The Journal of Physical Chemistry C
  • "Water Molecules in Zeolite Y Enhance the Photoluminescent Properties of Its Cesium Lead Bromide Quantum Dots, Na4Cs6PbBr48+," 2021, The Journal of Physical Chemistry C
  • "Three-coordinate extraframework Nb2+ and Mo+ in zeolite A. Crystal structures of Nb,Cl,Tl-A containing Nb2+ and NbCl6− and of Mo,Cl,Tl-A containing Mo+ and MoCl6−," 2020, Microporous and Mesoporous Materials
  • "Crystal Structure and Luminescence of Sn,I,Cs,Na-Y, a Lead-Free Zeolite Containing Tetrahedrally Distorted Cubes of Sn4I44+," 2021, The Journal of Physical Chemistry C

Collaborations are a notable part of Karl Seff's career, with frequent coauthors including:

  • Nam Ho Heo (5 collaborations)
  • Joon Young Kim (4 collaborations)
  • Kyu In Shim (2 collaborations)
  • Jeong Woo Han (2 collaborations)
  • Jin Joo (2 collaborations)

Best Publications

  • Silver Clusters and Chemistry in Zeolites

    Tao Sun;Karl Seff

  • Redetermination of the crystal structure of dehydrated zeolite 4A

    Russell Y. Yanagida;Allen A. Amaro;Karl Seff

  • Structural chemistry inside zeolite A

    Karl Seff

  • REINVESTIGATION OF THE CRYSTAL STRUCTURE OF DEHYDRATED SODIUM ZEOLITE X

    Lin Zhu;Karl Seff

  • The structures of zeolite sorption complexes. I. The structures of dehydrated zeolite 5A and its iodine sorption complex

    K. Seff;D. P. Shoemaker

  • A CATIONIC CESIUM CONTINUUM IN ZEOLITE X

    Tao Sun;Karl Seff;Nam Ho Heo;Vitalii P. Petranovskii

  • THREE CRYSTAL STRUCTURES OF VACUUM-DEHYDRATED ZEOLITE X, M46SI100AL92O384,M = MG2+, CA2+ AND BA2+

    Young Hoon Yeom;and Se Bok Jang;Yang Kim;Seong Hwan Song

  • Structure of a very small piece of silver metal. The octahedral silver (Ag6) molecule. Two crystal structures of partially decomposed vacuum-dehydrated fully silver(1+) ion-exchanged zeolite A

    Yang Kim;Karl Seff

  • The octahedral hexasilver molecule. Seven crystal structures of variously vacuum-dehydrated fully silver(1+)-exchanged zeolite A

    Yang Kim;Karl Seff

  • Mercuric chloride, a redetermination

    V. Subramanian;K. Seff

  • Hydrated and dehydrated crystal structures of seven-twelfths cesium-exchanged zeolite A

    T. Blake Vance;Karl Seff

  • CRYSTAL STRUCTURE OF ZEOLITE X EXCHANGED WITH PB(II) AT PH 6.0 AND DEHYDRATED : (PB4+)14(PB2+)18(PB4O4)8SI100AL92O384

    Young Hoon Yeom;Yang Kim;Karl Seff

  • Crystal structures of dehydrated partially cobalt(II)-exchanged zeolite A and of its carbon monoxide adduct

    Paul E. Riley;Karl. Seff

  • Crystal structures of hydrated and dehydrated potassium-exchanged zeolite A

    Peter C. W. Leung;Kevin B. Kunz;Karl Seff;I. E. Maxwell

  • Crystal structure of a sulfur sorption complex of zeolite 4A

    Karl Seff

  • Structures of cobalt(II)-exchanged zeolite X

    Donghan Bae;Karl Seff

  • NEAR ZERO COORDINATE CALCIUM(2+) AND STRONTIUM(2+) IN ZEOLITE A. CRYSTAL STRUCTURES OF DEHYDRATED CA6-A AND SR6-A

    R. L. Firor;K. Seff

  • TWO ANHYDROUS ZEOLITE X CRYSTAL STRUCTURES, CD46SI100AL92O384 AND CD24.5TL43SI100AL92O384

    Jeong Hwa Kwon;Se Bok Jang;Yang Kim;Karl Seff

  • The hexasilver molecule stabilized by coordination to six silver ions. The structure of (Ag.+-.)6(Ag6). The crystal structure of an ethylene sorption complex of partially decomposed fully Ag.+-.-exchanged zeolite A

    Yang Kim;Karl Seff

  • Crystal structure of Pb2+44Pb4+5Tl+18O2−17–Si100Al92O384, zeolite X exchanged with Pb2+ and Tl+ and dehydrated, containing Pb4O4(Pb2+,Pb4+mixed)4 clusters

    Young Hoon Yeom;Yang Kim;Karl Seff

Frequent Co-Authors

Suk Bong Hong
Suk Bong Hong Pohang University of Science and Technology
John H. Nelson
John H. Nelson University of Nevada Reno
Eun-Young Choi
Eun-Young Choi Vanderbilt University
Lutz Nasdala
Lutz Nasdala University of Vienna
Jeong Woo Han
Jeong Woo Han Seoul National University
Hae-Kwon Jeong
Hae-Kwon Jeong Texas A&M University
Hee Cheul Choi
Hee Cheul Choi Pohang University of Science and Technology
Yong-Min Lee
Yong-Min Lee Yonsei University

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