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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 43 17241 15588 145 144 107 6671

Rahman Hallaj publications per year

The chart shows the history of publications by Rahman Hallaj between 2002 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Rahman Hallaj published across 24 years, from 2002 to 2025, averaging 4.8 papers a year. Output peaked at 11 publications in 2018. 12 of the 115 publications appeared in the last two years.

No. of publications
2 4 6 8 10
Bar chart. Horizontal axis: year, 2002 to 2025. Vertical axis: number of publications, 0 to 11. Peak 11 publications in 2018. 2002: 1 publication 2003: 0 publications 2004: 3 publications 2005: 5 publications 2006: 4 publications 2007: 6 publications 2008: 5 publications 2009: 6 publications 2010: 2 publications 2011: 2 publications 2012: 5 publications 2013: 7 publications 2014: 5 publications 2015: 2 publications 2016: 2 publications 2017: 5 publications 2018: 11 publications 2019: 4 publications 2020: 7 publications 2021: 5 publications 2022: 8 publications 2023: 8 publications 2024: 3 publications 2025: 9 publications
2002 2025

115 publications in total across all disciplines

View publications per year as a table
Rahman Hallaj: publications per year, 2002 to 2025
Year Publications
2002 1
2003 0
2004 3
2005 5
2006 4
2007 6
2008 5
2009 6
2010 2
2011 2
2012 5
2013 7
2014 5
2015 2
2016 2
2017 5
2018 11
2019 4
2020 7
2021 5
2022 8
2023 8
2024 3
2025 9
Total 115
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Rahman Hallaj 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 Rahman Hallaj 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, 101–120 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: 107 publications — 3rd percentile

3% 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
101–120 623 107
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
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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Rahman Hallaj 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 Rahman Hallaj 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, 42–43 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: 43 D-Index — 5th percentile

5% 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 43
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
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

Rahman Hallaj is affiliated with the University of Kurdistan in Iran and has contributed to multiple research areas primarily within engineering, biochemistry, genetics and molecular biology, and materials science. Their published work spans numerous subfields, including molecular biology, biomedical engineering, materials chemistry, electrical and electronic engineering, and electrochemistry.

Their principal research topics focus on advanced biosensing and bioanalysis techniques, electrochemical sensors and biosensors, biosensors and analytical detection, electrochemical analysis and applications, advanced nanomaterials in catalysis, nanowire synthesis and applications, and analytical chemistry methods development.

Among recent papers by Rahman Hallaj are the following:

  • Antifungal activity of the lemongrass and clove oil encapsulated in mesoporous silica nanoparticles against wheat's take-all disease, 2020, published in Pesticide Biochemistry and Physiology
  • Graphdiyne nanosheet as a novel sensing platform for self-enhanced electrochemiluminescence of MOF enriched ruthenium (II) in the presence of dual co-reactants for detection of tumor marker, 2021, in Biosensors and Bioelectronics
  • CuO nanorods as a laccase mimicking enzyme for highly sensitive colorimetric and electrochemical dual biosensor: Application in living cell epinephrine analysis, 2020, in Colloids and Surfaces B Biointerfaces
  • A self-enhanced ECL-RET immunosensor for the detection of CA19-9 antigen based on Ru(bpy)2(phen-NH2)2+ - Amine-rich nitrogen-doped carbon nanodots as probe and graphene oxide grafted hyperbranched aromatic polyamide as platform, 2020, in Analytica Chimica Acta
  • A surface-modified silicon carbide nanoparticles based electrochemical sensor for free interferences determination of caffeine in tea and coffee, 2021, in Materials Science and Engineering B

Frequent co-authors working with Rahman Hallaj include:

  • Zhaleh Ghafary (9 joint publications)
  • Abdollah Hassanzadeh (7 joint publications)
  • Abdollah Salimi (6 joint publications)
  • Somayeh Ghaderi (6 joint publications)
  • Bahareh Babamiri (5 joint publications)

The primary venues where Rahman Hallaj has published include:

  • Materials Science and Engineering B (4 publications)
  • SSRN Electronic Journal (3 publications)
  • Biosensors and Bioelectronics (2 publications)
  • Microchemical Journal (2 publications)
  • Materials Chemistry and Physics (2 publications)

This body of work highlights engagement with multidisciplinary fields that intersect materials science and biomedical applications, focusing on the development and application of biosensors and nanomaterials for analytical and diagnostic purposes.

Best Publications

  • Nanomolar detection of hydrogen peroxide on glassy carbon electrode modified with electrodeposited cobalt oxide nanoparticles.

    Abdollah Salimi;Rahman Hallaj;Saied Soltanian;Hussein Mamkhezri

  • Glucose biosensor prepared by glucose oxidase encapsulated sol-gel and carbon-nanotube-modified basal plane pyrolytic graphite electrode.

    Abdollah Salimi;Richard G. Compton;Rahman Hallaj

  • Ultrasensitive electrochemical immunosensor for PSA biomarker detection in prostate cancer cells using gold nanoparticles/PAMAM dendrimer loaded with enzyme linked aptamer as integrated triple signal amplification strategy.

    Begard Kavosi;Abdollah Salimi;Rahman Hallaj;Fathollah Moradi

  • Electrochemical detection of trace amount of arsenic(III) at glassy carbon electrode modified with cobalt oxide nanoparticles

    Abdollah Salimi;Hussein Mamkhezri;Rahman Hallaj;Saied Soltanian

  • Catalytic oxidation of thiols at preheated glassy carbon electrode modified with abrasive immobilization of multiwall carbon nanotubes: applications to amperometric detection of thiocytosine, l-cysteine and glutathione.

    Abdollah Salimi;Rahman Hallaj

  • Amperometric and voltammetric detection of hydrazine using glassy carbon electrodes modified with carbon nanotubes and catechol derivatives.

    Abdollah Salimi;Layla Miranzadeh;Rahman Hallaj

  • A highly sensitive prostate-specific antigen immunosensor based on gold nanoparticles/PAMAM dendrimer loaded on MWCNTS/chitosan/ionic liquid nanocomposite

    Begard Kavosi;Abdollah Salimi;Rahman Hallaj;Kamal Amani

  • Simultaneous determination of ascorbic acid, uric acid and neurotransmitters with a carbon ceramic electrode prepared by sol-gel technique.

    Abdollah Salimi;Hussein MamKhezri;Rahman Hallaj

  • Ultrasensitive electrochemiluminescence immunoassay for simultaneous determination of CA125 and CA15-3 tumor markers based on PAMAM-sulfanilic acid-Ru(bpy)32+ and PAMAM-CdTe@CdS nanocomposite.

    Bahareh Babamiri;Rahman Hallaj;Abdollah Salimi

  • Low potential detection of NADH based on Fe3O4 nanoparticles/multiwalled carbon nanotubes composite: Fabrication of integrated dehydrogenase-based lactate biosensor

    Hazhir Teymourian;Abdollah Salimi;Rahman Hallaj

  • A molecularly imprinted electrochemiluminescence sensor for ultrasensitive HIV-1 gene detection using EuS nanocrystals as luminophore

    Bahareh Babamiri;Abdollah Salimi;Rahman Hallaj

  • Label-free electrochemical IgE aptasensor based on covalent attachment of aptamer onto multiwalled carbon nanotubes/ionic liquid/chitosan nanocomposite modified electrode.

    Somayeh Khezrian;Abdollah Salimi;Hazhir Teymourian;Rahman Hallaj

  • Highly sensitive immunosensing of prostate-specific antigen based on ionic liquid-carbon nanotubes modified electrode: application as cancer biomarker for prostate biopsies.

    Abdollah Salimi;Begard Kavosi;Farden Fathi;Rahman Hallaj

  • A highly sensitive electrochemical immunosensor for hepatitis B virus surface antigen detection based on Hemin/G-quadruplex horseradish peroxidase-mimicking DNAzyme-signal amplification.

    Negar Alizadeh;Rahman Hallaj;Abdollah Salimi

  • Switchable electrochemiluminescence aptasensor coupled with resonance energy transfer for selective attomolar detection of Hg2+ via CdTe@CdS/dendrimer probe and Au nanoparticle quencher

    Bahareh Babamiri;Abdollah Salimi;Rahman Hallaj

  • Amperometric Detection of Morphine at Preheated Glassy Carbon Electrode Modified with Multiwall Carbon Nanotubes

    Abdollah Salimi;Rahman Hallaj;Gholam-Reza Khayatian

  • Au nanoparticles/PAMAM dendrimer functionalized wired ethyleneamine-viologen as highly efficient interface for ultra-sensitive α-fetoprotein electrochemical immunosensor.

    Begard Kavosi;Rahman Hallaj;Hazhir Teymourian;Abdollah Salimi

  • Influence of nano-ZnO on microbial growth, bioactive content and postharvest quality of strawberries during storage

    Ommol Banin Sogvar;Mahmoud Koushesh Saba;Aryou Emamifar;Rahman Hallaj

  • Immobilization of hemoglobin on electrodeposited cobalt-oxide nanoparticles: direct voltammetry and electrocatalytic activity.

    Abdollah Salimi;Rahman Hallaj;Saied Soltanian

  • Modification of glassy carbon electrode with multi-walled carbon nanotubes and iron(III)-porphyrin film: Application to chlorate, bromate and iodate detection

    Abdollah Salimi;Hussein MamKhezri;Rahman Hallaj;Shiva Zandi

  • Mimicking peroxidase-like activity of Co3O4-CeO2 nanosheets integrated paper-based analytical devices for detection of glucose with smartphone

    Negar Alizadeh;Abdollah Salimi;Rahman Hallaj

  • Simultaneous Determination of Ranitidine and Metronidazole at Glassy Carbon Electrode Modified with Single Wall Carbon Nanotubes

    Abdollah Salimi;Mohadeseh Izadi;Rahman Hallaj;Manochehr Rashidi

Frequent Co-Authors

Abdollah Salimi
Abdollah Salimi University of Kurdistan
Mahmoud Roushani
Mahmoud Roushani Razi University
Tsun-Kong Sham
Tsun-Kong Sham University of Western Ontario
Peyman Servati
Peyman Servati University of British Columbia
Richard G. Compton
Richard G. Compton University of Oxford

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