World's Best Scientists 2026 revealed!

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Materials Science 82 2461 2376 712 669 525 25080
Chemistry 82 3068 2765 1021 857 538 25479

Timothy E. Long publications per year

The chart shows the history of publications by Timothy E. Long between 1985 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Timothy E. Long published across 41 years, from 1985 to 2025, averaging 15 papers a year. Output peaked at 44 publications in 2008. 37 of the 616 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 1985 to 2025. Vertical axis: number of publications, 0 to 44. Peak 44 publications in 2008. 1985: 2 publications 1986: 4 publications 1987: 2 publications 1988: 1 publication 1989: 1 publication 1990: 3 publications 1991: 3 publications 1992: 3 publications 1993: 6 publications 1994: 6 publications 1995: 2 publications 1996: 2 publications 1997: 2 publications 1998: 7 publications 1999: 8 publications 2000: 14 publications 2001: 9 publications 2002: 26 publications 2003: 18 publications 2004: 25 publications 2005: 25 publications 2006: 22 publications 2007: 19 publications 2008: 44 publications 2009: 26 publications 2010: 15 publications 2011: 14 publications 2012: 30 publications 2013: 17 publications 2014: 20 publications 2015: 14 publications 2016: 17 publications 2017: 28 publications 2018: 38 publications 2019: 31 publications 2020: 23 publications 2021: 22 publications 2022: 13 publications 2023: 17 publications 2024: 22 publications 2025: 15 publications
1985 2025

616 publications in total across all disciplines

View publications per year as a table
Timothy E. Long: publications per year, 1985 to 2025
Year Publications
1985 2
1986 4
1987 2
1988 1
1989 1
1990 3
1991 3
1992 3
1993 6
1994 6
1995 2
1996 2
1997 2
1998 7
1999 8
2000 14
2001 9
2002 26
2003 18
2004 25
2005 25
2006 22
2007 19
2008 44
2009 26
2010 15
2011 14
2012 30
2013 17
2014 20
2015 14
2016 17
2017 28
2018 38
2019 31
2020 23
2021 22
2022 13
2023 17
2024 22
2025 15
Total 616
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Timothy E. Long 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 Timothy E. Long 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, 510–529 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: 525 publications — 88th percentile

88% 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
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
510–529 194 525
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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Timothy E. Long 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 Timothy E. Long 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, 82–83 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: 82 D-Index — 81st percentile

81% 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
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 82
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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Overview

Timothy E. Long is a researcher affiliated with Arizona State University in the United States. They have an extensive publication record primarily focused on materials science, engineering, and chemistry, with their work spanning into significant subfields such as organic chemistry, polymers and plastics, automotive engineering, biomedical engineering, and mechanical engineering.

The main topics covered in Long's research include additive manufacturing and 3D printing technologies, polymer composites and self-healing materials, photopolymerization techniques and applications, advanced polymer synthesis and characterization, biodegradable polymer synthesis and properties, synthesis and properties of polymers, and 3D printing in biomedical research.

Long has contributed multiple recent papers, notable among them are:

  • Polymer Colloids: Current Challenges, Emerging Applications, and New Developments, 2023, published in Macromolecules
  • 3D Printing Latex: A Route to Complex Geometries of High Molecular Weight Polymers, 2020, published in ACS Applied Materials & Interfaces
  • Additive Manufacturing of High-Performance Engineering Polymers: Present and Future, 2021, published in Polymer International
  • Quadruple Hydrogen Bonding Supramolecular Elastomers for Melt Extrusion Additive Manufacturing, 2020, published in ACS Applied Materials & Interfaces
  • Polymer-inorganic Hybrid Colloids for Ultraviolet-assisted Direct Ink Write of Polymer Nanocomposites, 2020, published in Additive Manufacturing

Long has collaborated frequently with several researchers, including:

  • Christopher B. Williams
  • Ren H. Bean
  • Robert B. Moore
  • Garvit Nayyar
  • Clay B. Arrington

Publication venues where Long's work appears repeatedly include:

  • Polymer International
  • Polymer
  • Polymer Chemistry
  • ACS Applied Polymer Materials
  • ACS Applied Materials & Interfaces

Best Publications

  • Michael addition reactions in macromolecular design for emerging technologies

    Brian D. Mather;Kalpana Viswanathan;Kevin M. Miller;Timothy Edward Long

  • Electrospinning of linear homopolymers of poly(methyl methacrylate): exploring relationships between fiber formation, viscosity, molecular weight and concentration in a good solvent

    Pankaj Gupta;Casey Elkins;Timothy Edward Long;Garth L. Wilkes

  • Coumarins in polymers: From light harvesting to photo-cross-linkable tissue scaffolds

    Scott R. Trenor;Allan R. Shultz;Brian J. Love;Timothy Edward Long

  • Correlations of solution rheology with electrospun fiber formation of linear and branched polyesters

    Matthew G. McKee;Garth L. Wilkes;Ralph H. Colby;Timothy Edward Long

  • Modern polyesters : chemistry and technology of polyesters and copolyesters

    John Scheirs;Timothy E. Long

  • Polymer structure-property requirements for stereolithographic 3D printing of soft tissue engineering scaffolds

    Ryan J. Mondschein;Akanksha Kanitkar;Christopher B. Williams;Scott S. Verbridge

  • Imidazole- and imidazolium-containing polymers for biology and material science applications

    Emily B. Anderson;Timothy Edward Long

  • Designing Imidazole-Based Ionic Liquids and Ionic Liquid Monomers for Emerging Technologies

    Matthew D. Green;Timothy Edward Long

  • Branched polyesters: recent advances in synthesis and performance

    Matthew G. McKee;Serkan Unal;Garth L. Wilkes;Timothy Edward Long

  • Phospholipid nonwoven electrospun membranes.

    Matthew G. McKee;John M. Layman;Matthew P. Cashion;Timothy Edward Long

  • Thermoreversible poly(alkyl acrylates) consisting of self-complementary multiple hydrogen bonding

    Koji Yamauchi;Jeremy R. Lizotte;Timothy Edward Long

  • Polymer Design for 3D Printing Elastomers: Recent Advances in Structure, Properties, and Printing

    Jana Herzberger;Justin M. Sirrine;Christopher B. Williams;Timothy E. Long

  • A review of the process physics and material screening methods for polymer powder bed fusion additive manufacturing

    Camden A. Chatham;Timothy E. Long;Christopher B. Williams

  • Preparation of high purity, anionic polymerization grade alkyl methacrylate monomers

    R. D. Allen;Timothy Edward Long;J. E. McGrath

  • Solution Rheological Behavior and Electrospinning of Cationic Polyelectrolytes

    Matthew G. McKee;Matthew T. Hunley;John M. Layman;Timothy Edward Long

  • A neutron reflectivity investigation of surface and interface segregation of polymer functional end groups

    J. F. Elman;J. F. Elman;B. D. Johs;Timothy Edward Long;J. T. Koberstein;J. T. Koberstein

  • 3D Printing All-Aromatic Polyimides using Mask-Projection Stereolithography: Processing the Nonprocessable

    Maruti Hegde;Viswanath Meenakshisundaram;Nicholas Chartrain;Susheel Sekhar

  • In Situ Photo-Cross-Linking of Cinnamate Functionalized Poly(methyl methacrylate-co-2-hydroxyethyl acrylate) Fibers during Electrospinning

    Pankaj Gupta;Scott R. Trenor;Timothy Edward Long;Garth L. Wilkes

  • Alkyl‐Substituted N‐Vinylimidazolium Polymerized Ionic Liquids: Thermal Properties and Ionic Conductivities

    Matthew D. Green;David Salas-De La Cruz;Yuesheng Ye;John M. Layman

  • Influence of self-complementary hydrogen bonding on solution rheology/electrospinning relationships

    Matthew G. McKee;Casey L. Elkins;Timothy Edward Long

  • Combinations of microphase separation and terminal multiple hydrogen bonding in novel macromolecules.

    Koji Yamauchi;Jeremy R. Lizotte;David M. Hercules;Matthew J. Vergne

Frequent Co-Authors

Robert B. Moore
Robert B. Moore Virginia Tech
Ralph H. Colby
Ralph H. Colby Pennsylvania State University
Karen I. Winey
Karen I. Winey University of Pennsylvania
Garth L. Wilkes
Garth L. Wilkes Virginia Tech
Donald J. Leo
Donald J. Leo University of Georgia
Frederick L. Beyer
Frederick L. Beyer United States Army Research Laboratory
Iskender Yilgor
Iskender Yilgor Koç University
James E. McGrath
James E. McGrath Virginia Tech
Yossef A. Elabd
Yossef A. Elabd Texas A&M University
Tomonori Saito
Tomonori Saito Oak Ridge National Laboratory

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