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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 44 16751 15123 327 323 358 8060

Nagaiyan Sekar publications per year

The chart shows the history of publications by Nagaiyan Sekar between 1986 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Nagaiyan Sekar published across 40 years, from 1986 to 2025, averaging 9.8 papers a year. Output peaked at 49 publications in 2019. 48 of the 391 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 1986 to 2025. Vertical axis: number of publications, 0 to 49. Peak 49 publications in 2019. 1986: 1 publication 1987: 1 publication 1988: 0 publications 1989: 0 publications 1990: 0 publications 1991: 0 publications 1992: 0 publications 1993: 0 publications 1994: 0 publications 1995: 1 publication 1996: 2 publications 1997: 0 publications 1998: 0 publications 1999: 0 publications 2000: 1 publication 2001: 0 publications 2002: 0 publications 2003: 0 publications 2004: 0 publications 2005: 0 publications 2006: 0 publications 2007: 1 publication 2008: 5 publications 2009: 2 publications 2010: 4 publications 2011: 9 publications 2012: 14 publications 2013: 15 publications 2014: 16 publications 2015: 32 publications 2016: 40 publications 2017: 44 publications 2018: 45 publications 2019: 49 publications 2020: 24 publications 2021: 10 publications 2022: 14 publications 2023: 13 publications 2024: 37 publications 2025: 11 publications
1986 2025

391 publications in total across all disciplines

View publications per year as a table
Nagaiyan Sekar: publications per year, 1986 to 2025
Year Publications
1986 1
1987 1
1988 0
1989 0
1990 0
1991 0
1992 0
1993 0
1994 0
1995 1
1996 2
1997 0
1998 0
1999 0
2000 1
2001 0
2002 0
2003 0
2004 0
2005 0
2006 0
2007 1
2008 5
2009 2
2010 4
2011 9
2012 14
2013 15
2014 16
2015 32
2016 40
2017 44
2018 45
2019 49
2020 24
2021 10
2022 14
2023 13
2024 37
2025 11
Total 391
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Nagaiyan Sekar 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 Nagaiyan Sekar 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, 341–360 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: 358 publications — 74th percentile

74% 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
341–360 628 358
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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Nagaiyan Sekar 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 Nagaiyan Sekar 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, 44–45 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: 44 D-Index — 7th percentile

7% 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 44
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
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

Nagaiyan Sekar is affiliated with the Institute of Chemical Technology in India. Their research primarily spans materials science and chemistry, with notable contributions to materials chemistry, organic chemistry, electronic, optical and magnetic materials, physical and theoretical chemistry, and biomedical engineering.

The research topics covered by Sekar include nonlinear optical materials research, photochromic and fluorescence chemistry, photochemistry and electron transfer studies, luminescence and fluorescent materials, nonlinear optical materials studies, dyeing and modifying textile fibers, and free radicals and antioxidants.

The scientist has published extensively in several journals, with frequent publication venues as follows:

  • ChemistrySelect (17 publications)
  • Journal of Photochemistry and Photobiology A Chemistry (8 publications)
  • Computational and Theoretical Chemistry (8 publications)
  • Dyes and Pigments (7 publications)
  • Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy (7 publications)

Coauthors commonly collaborating with Sekar include:

  • Suryapratap J. Sharma (22 collaborations)
  • Zahir Ali Siddiqui (18 collaborations)
  • Sandeep More (18 collaborations)
  • Puja O. Gupta (12 collaborations)
  • Praful Patil (10 collaborations)

Representative recent papers authored or coauthored by Sekar include:

  • Review of NLOphoric azo dyes - Developments in hyperpolarizabilities in last two decades, 2021, Dyes and Pigments
  • Synthesis and computational study of coumarin thiophene-based D-π-A azo bridge colorants for DSSC and NLOphoric application, 2020, Journal of Photochemistry and Photobiology A Chemistry
  • Deep-red/NIR emitting coumarin derivatives - Synthesis, photophysical properties, and biological applications, 2022, Dyes and Pigments
  • Benzothiazole-pyridone and benzothiazole-pyrazole clubbed emissive azo dyes and dyeing application on polyester fabric: UPF, biological, photophysical and fastness properties with correlative computational assessments, 2020, Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy
  • Towards NIR-Active Hydroxybenzazole (HBX)-Based ESIPT Motifs: A Recent Research Trend, 2020, ChemistrySelect

Best Publications

  • Spectroscopic analysis and DFT calculations of a food additive Carmoisine

    M. Snehalatha;C. Ravikumar;I. Hubert Joe;N. Sekar

  • Synthesis and antimicrobial activity of novel 2-substituted benzimidazole, benzoxazole and benzothiazole derivatives

    Vikas S. Padalkar;Bhushan N. Borse;Vinod D. Gupta;Kiran R. Phatangare

  • Design, synthesis, antimicrobial activity and computational studies of novel azo linked substituted benzimidazole, benzoxazole and benzothiazole derivatives.

    Virendra R. Mishra;Chaitannya W. Ghanavatkar;Suraj N. Mali;Shahnawaz I. Qureshi

  • Metal complex dyes for dye-sensitized solar cells: Recent developments

    N. Sekar;Vishal Y. Gehlot

  • Fluorescent azo disperse dyes from 3-(1,3-benzothiazol-2-yl)naphthalen-2-ol and comparison with 2-naphthol analogs

    Manjaree A. Satam;Rajesh K. Raut;N. Sekar

  • Carbazole-Linked Near-Infrared Aza-BODIPY Dyes as Triplet Sensitizers and Photoacoustic Contrast Agents for Deep-Tissue Imaging

    Yogesh Gawale;Nagappanpillai Adarsh;Sandeep Kumar Kalva;Joshy Joseph

  • Schiff base clubbed benzothiazole: synthesis, potent antimicrobial and MCF-7 anticancer activity, DNA cleavage and computational study

    Virendra R Mishra;Chaitannya W Ghanavatkar;Suraj N Mali;Hemchandra K Chaudhari

  • Linear correlation between DSSC efficiency, intramolecular charge transfer characteristics, and NLO properties – DFT approach

    Dinesh S. Patil;Kiran C. Avhad;Nagaiyan Sekar

  • Novel pyrazino-phenanthroline based rigid donor-π-acceptor compounds: A detail study of optical properties, acidochromism, solvatochromism and structure-property relationship

    Shantaram Kothavale;Nagaiyan Sekar

  • Review of NLOphoric azo dyes – Developments in hyperpolarizabilities in last two decades

    Chaitannya W. Ghanavatkar;Virendra R. Mishra;Nagaiyan Sekar

  • Synthesis of new ESIPT-fluorescein: photophysics of pH sensitivity and fluorescence.

    Vikas S. Patil;Vikas S. Padalkar;Kiran R. Phatangare;Vinod D. Gupta

  • Nonlinear optical properties of curcumin: solvatochromism-based approach and computational study

    Sachin N. Margar;Nagaiyan Sekar

  • Synthesis and Photo-Physical Characteristics of ESIPT Inspired 2-Substituted Benzimidazole, Benzoxazole and Benzothiazole Fluorescent Derivatives

    Vikas S. Padalkar;Abhinav Tathe;Vinod D. Gupta;Vikas S. Patil

  • Synthesis and computational study of coumarin thiophene-based D-π-A azo bridge colorants for DSSC and NLOphoric application

    Nitesh N. Ayare;Suryapratap Sharma;Keval K. Sonigara;Jyoti Prasad

  • Red emitting solid state fluorescent triphenylamine dyes: Synthesis, photo-physical property and DFT study

    Vinod D. Gupta;Abhinav B. Tathe;Vikas S. Padalkar;Prashant G. Umape

  • FT‐Raman, IR and UV‐visible spectral investigations and ab initio computations of a nonlinear food dye amaranth

    M. Snehalatha;C. Ravikumar;N. Sekar;V. S. Jayakumar

  • The synthesis and photo-physical properties of extended styryl fluorescent derivatives of N-ethyl carbazole

    Vinod D. Gupta;Vikas S. Padalkar;Kiran R. Phatangare;Vikas S. Patil

  • Methoxy supported, deep red emitting mono, bis and tris triphenylamine-isophorone based styryl colorants: Synthesis, photophysical properties, ICT, TICT emission and viscosity sensitivity

    Shantaram Kothavale;Nagaiyan Sekar

  • Benzothiazole pyrazole containing emissive azo dyes decorated with ESIPT core: Linear and non linear optical properties, Z scan, optical limiting, laser damage threshold with comparative DFT studies

    Chaitannya W. Ghanavatkar;Virendra R. Mishra;Nagaiyan Sekar;Elizabeth Mathew

  • Photostable coumarin containing azo dyes with multifunctional property

    Nitesh N. Ayare;Supriya H. Ramugade;Nagaiyan Sekar

  • Indion 190 resin: efficient, environmentally friendly, and reusable catalyst for synthesis of benzimidazoles, benzoxazoles, and benzothiazoles

    Vikas S. Padalkar;Vinod D. Gupta;Kiran R. Phatangare;Vikas S. Patil

  • A new rhodamine based OFF–ON fluorescent chemosensors for selective detection of Hg2+ and Al3+ in aqueous media

    Santosh Chemate;Nagaiyan Sekar

  • Congeners of Pyrromethene-567 Dye: Perspectives from Synthesis, Photophysics, Photostability, Laser, and TD-DFT Theory.

    Kishor G Thorat;Priyadarshani Kamble;Ramnath Mallah;Alok K Ray

Frequent Co-Authors

I. Hubert Joe
I. Hubert Joe University of Kerala
Ashraful Islam
Ashraful Islam National Institute for Materials Science
Ute Resch-Genger
Ute Resch-Genger Federal Institute For Materials Research and Testing
Manojit Pramanik
Manojit Pramanik Iowa State University
Anthony Harriman
Anthony Harriman Newcastle University
Raymond Ziessel
Raymond Ziessel University of Strasbourg

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