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Highly Cited Researchers

Natural Sciences Highly Cited Researchers 613 Scientists Citation in Sri Lanka Rankings - 2026

See how widely and consistently research is cited with real-time citation rankings.
Covering 2.6 million scientists, this list evaluates both total and last 5 years’ citation counts to measure scientific influence and highlight Highly Cited Researchers.
Built on transparency, it also addresses unethical practices and encourages reporting of violations. Compare results across 13 fields and 221 disciplines.

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Total 613 scientists , 63 institution , Updates every 3 days
* Total Citation Counts Rankings

Rankings

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893
World Rank
Sri Lanka
2
Country Rank
University of Ruhuna Logo
1
University
Ranking Based On Selection:
1
N Wickramage
University of Ruhuna Matara and Galle, Sri Lanka
Natural Sciences / Physics
high energy physic

Citation Metrics

  • Total
    213,515
  • Last 5 Years
    99,930
  • Last 5 Years / Total
    0.468
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* Total Citation Counts Rankings

Rankings

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4,476
World Rank
Sri Lanka
3
Country Rank
University of Ruhuna Logo
2
University
Ranking Based On Selection:
2
Wgd Dharmaratna|Welathantri G D Dharmaratna, Welathantri Dharmaratna, W Dharmaratna
University of Ruhuna Matara and Galle, Sri Lanka
Natural Sciences / Physics
High Energy Physics | Condensed Matter Physic

Citation Metrics

  • Total
    91,942
  • Last 5 Years
    48,859
  • Last 5 Years / Total
    0.531
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* Total Citation Counts Rankings

Rankings

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18,452
World Rank
Sri Lanka
8
Country Rank
University of Ruhuna Logo
3
University
Ranking Based On Selection:
3
W Manjula K De Silva
University of Ruhuna Matara and Galle, Sri Lanka
Natural Sciences / Physics
High Energy Physics | MRI Physics | Medical Image Processing

Citation Metrics

  • Total
    38,386
  • Last 5 Years
    12,928
  • Last 5 Years / Total
    0.337
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* Total Citation Counts Rankings

Rankings

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20,167
World Rank
Sri Lanka
10
Country Rank
University of Sri Jayewardenepura Logo
1
University
Ranking Based On Selection:
4
Meththika Vithanage
University of Sri Jayewardenepura Nugegoda, Sri Lanka
Natural Sciences / Biological Science
Microplastics | Biochar | Emerging Contaminants | Remediatio

Citation Metrics

  • Total
    36,204
  • Last 5 Years
    30,291
  • Last 5 Years / Total
    0.837
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* Total Citation Counts Rankings

Rankings

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23,675
World Rank
Sri Lanka
11
Country Rank
University of Colombo Logo
5
University
Ranking Based On Selection:
5
Upul Sonnadara
University of Colombo Colombo, Sri Lanka
Natural Sciences / Physics
Particle Physics | Computational Science | Atmospheric Science

Citation Metrics

  • Total
    32,648
  • Last 5 Years
    28,935
  • Last 5 Years / Total
    0.886
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* Total Citation Counts Rankings

Rankings

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35,472
World Rank
Sri Lanka
13
Country Rank
University of Colombo Logo
6
University
Ranking Based On Selection:
6
Malagalage Kithsiri Jayananda
University of Colombo Colombo, Sri Lanka
Natural Sciences / Physics
Relativistic Heavy Ion Physics | Particle Physics | Instrumentation | Chao

Citation Metrics

  • Total
    24,848
  • Last 5 Years
    21,218
  • Last 5 Years / Total
    0.854
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* Total Citation Counts Rankings

Rankings

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43,466
World Rank
Sri Lanka
18
Country Rank
University of Ruhuna Logo
5
University
Ranking Based On Selection:
7
Kalpanie Madara Liyanage
University of Ruhuna Matara and Galle, Sri Lanka
Natural Sciences / Physics
Experimental Particle Physics | Beyond Standard Model | Gas Electron Multiplier

Citation Metrics

  • Total
    21,495
  • Last 5 Years
    21,384
  • Last 5 Years / Total
    0.995
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* Total Citation Counts Rankings

Rankings

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47,968
World Rank
Sri Lanka
20
Country Rank
University of Ruhuna Logo
6
University
Ranking Based On Selection:
8
Kps Jayatilleke
University of Ruhuna Matara and Galle, Sri Lanka
Natural Sciences / Physics
Experimental Paricle Physics | Computational Physics

Citation Metrics

  • Total
    19,993
  • Last 5 Years
    2,282
  • Last 5 Years / Total
    0.114
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* Total Citation Counts Rankings

Rankings

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71,832
World Rank
Sri Lanka
28
Country Rank
University of Sri Jayewardenepura Logo
2
University
Ranking Based On Selection:
9
Anushka Upamali Rajapaksha
University of Sri Jayewardenepura Nugegoda, Sri Lanka
Natural Sciences / Chemical Sciences
Physical Chemistry | Chemical Kinetics | Surface Chemistry | Environmental Science | Environmenta

Citation Metrics

  • Total
    14,750
  • Last 5 Years
    10,862
  • Last 5 Years / Total
    0.736
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* Total Citation Counts Rankings

Rankings

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84,113
World Rank
Sri Lanka
32
Country Rank
University of Peradeniya Logo
4
University
Ranking Based On Selection:
10
Ayesh Jayasinghe
University of Peradeniya Peradeniya, Sri Lanka
Natural Sciences / Physics
Particle Phyiscs | Radiation Physics | Medical Image Processin

Citation Metrics

  • Total
    12,983
  • Last 5 Years
    2,396
  • Last 5 Years / Total
    0.185
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* Total Citation Counts Rankings

Rankings

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95,692
World Rank
Sri Lanka
37
Country Rank
University of Sri Jayewardenepura Logo
3
University
Ranking Based On Selection:
11
Kasun M Thambugala
University of Sri Jayewardenepura Nugegoda, Sri Lanka
Natural Sciences / Molecular Biology & Genetics
Fungal Systematics | Bioinformatics | Plant pathology | Microbial Genetics | Biotechnolog

Citation Metrics

  • Total
    11,663
  • Last 5 Years
    8,228
  • Last 5 Years / Total
    0.705
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* Total Citation Counts Rankings

Rankings

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104,928
World Rank
Sri Lanka
38
Country Rank
National Institute of Fundamental Studies Sri Lanka Logo
1
University
Ranking Based On Selection:
12
K Tennakone
National Institute of Fundamental Studies Sri Lanka Nagoya, Sri Lanka
Natural Sciences / Physics
Theoretical Physics | Elementary Particles | Condensed Matter Physics | Applied Mathematics | Solar Energy Conversio

Citation Metrics

  • Total
    10,781
  • Last 5 Years
    1,778
  • Last 5 Years / Total
    0.165
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* Total Citation Counts Rankings

Rankings

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159,940
World Rank
Sri Lanka
61
Country Rank
University of Kelaniya Logo
8
University
Ranking Based On Selection:
13
Dinushani Anupama Daranagama
University of Kelaniya Kelaniya, Sri Lanka
Natural Sciences / Biological Science
Mycology | Molecular systematics | Microbial genetics | Fungal secondary metabolite

Citation Metrics

  • Total
    7,369
  • Last 5 Years
    4,948
  • Last 5 Years / Total
    0.671
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* Total Citation Counts Rankings

Rankings

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165,391
World Rank
Sri Lanka
64
Country Rank
University of Peradeniya Logo
10
University
Ranking Based On Selection:
14
IAU Nimal Gunatilleke
University of Peradeniya Peradeniya, Sri Lanka
Natural Sciences / Biological Science
Conservation biology | Tropical Ecology | Plant Reproductive Biology | Soil Biolog

Citation Metrics

  • Total
    7,131
  • Last 5 Years
    2,814
  • Last 5 Years / Total
    0.395
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* Total Citation Counts Rankings

Rankings

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168,793
World Rank
Sri Lanka
65
Country Rank
University of Colombo Logo
13
University
Ranking Based On Selection:
15
Daya Ratnasooriya
University of Colombo Colombo, Sri Lanka
Natural Sciences / Biological Science
Mammalian Biology | Physiology | Bio activity of natural products | Toxicolog

Citation Metrics

  • Total
    6,996
  • Last 5 Years
    2,443
  • Last 5 Years / Total
    0.349
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* Total Citation Counts Rankings

Rankings

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203,221
World Rank
Sri Lanka
86
Country Rank
University of Colombo Logo
17
University
Ranking Based On Selection:
16
Gdn Perera
University of Colombo Colombo, Sri Lanka
Natural Sciences / Physics
Nuclear Physics | Particle Physics | High energy Physics | Quantum Field Theor

Citation Metrics

  • Total
    5,816
  • Last 5 Years
    3,055
  • Last 5 Years / Total
    0.525
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* Total Citation Counts Rankings

Rankings

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224,133
World Rank
Sri Lanka
92
Country Rank
University of Peradeniya Logo
17
University
Ranking Based On Selection:
17
Rmg Rajapakse
University of Peradeniya Peradeniya, Sri Lanka
Natural Sciences / Chemical Sciences
Nanotechnology | Advanced Materials | Solar Cells | Targeted Drug Delivery | andPhoton upconversio

Citation Metrics

  • Total
    5,256
  • Last 5 Years
    3,099
  • Last 5 Years / Total
    0.590
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* Total Citation Counts Rankings

Rankings

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236,545
World Rank
Sri Lanka
100
Country Rank
University of Jaffna Logo
1
University
Ranking Based On Selection:
18
Kandasamy Vignarooban Cincinnati
University of Jaffna Jaffna, Sri Lanka
Natural Sciences / Physics
Electronic Materials and Devices | Materials Physics | Electrochemistr

Citation Metrics

  • Total
    4,965
  • Last 5 Years
    3,736
  • Last 5 Years / Total
    0.752
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* Total Citation Counts Rankings

Rankings

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263,379
World Rank
Sri Lanka
114
Country Rank
University of Peradeniya Logo
24
University
Ranking Based On Selection:
19
SHP Parakrama Karunaratne
University of Peradeniya Peradeniya, Sri Lanka
Natural Sciences / Biological Science
Medical and Molecular Entomology | Mosquitoes | Insecticide Resistanc

Citation Metrics

  • Total
    4,422
  • Last 5 Years
    1,677
  • Last 5 Years / Total
    0.379
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* Total Citation Counts Rankings

Rankings

flag
281,236
World Rank
Sri Lanka
127
Country Rank
University of Peradeniya Logo
27
University
Ranking Based On Selection:
20
Namal Priyantha
University of Peradeniya Peradeniya, Sri Lanka
Natural Sciences / Chemical Sciences
Electrochemistry | Environmental chemistr

Citation Metrics

  • Total
    4,108
  • Last 5 Years
    2,018
  • Last 5 Years / Total
    0.491
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* Total Citation Counts Rankings

Rankings

flag
283,549
World Rank
Sri Lanka
129
Country Rank
University of Colombo Logo
25
University
Ranking Based On Selection:
21
E Dilip De Silva
University of Colombo Colombo, Sri Lanka
Natural Sciences / Chemical Sciences
Marine Natural Products | Isolation of biologically active compounds from endophytic fung

Citation Metrics

  • Total
    4,070
  • Last 5 Years
    1,367
  • Last 5 Years / Total
    0.336
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* Total Citation Counts Rankings

Rankings

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283,642
World Rank
Sri Lanka
130
Country Rank
Sabaragamuwa University Logo
3
University
Ranking Based On Selection:
22
N Sadeera Bandara
Sabaragamuwa University Sendai, Sri Lanka
Natural Sciences / Physics
Nuclear Physics | Spin Physics | Particle Physics | High Energy Physic

Citation Metrics

  • Total
    4,068
  • Last 5 Years
    2,422
  • Last 5 Years / Total
    0.595
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* Total Citation Counts Rankings

Rankings

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293,633
World Rank
Sri Lanka
132
Country Rank
International Water Management Institute (IWMI) Logo
23
University
Ranking Based On Selection:
23
Cws Dickens
International Water Management Institute (IWMI) Colombo, Sri Lanka
Natural Sciences / Biological Science
River health | agroecology | aquatic ecosystems | e-flows | sustainable developmen

Citation Metrics

  • Total
    3,910
  • Last 5 Years
    2,468
  • Last 5 Years / Total
    0.631
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* Total Citation Counts Rankings

Rankings

flag
294,582
World Rank
Sri Lanka
133
Country Rank
University of Ruhuna Logo
7
University
Ranking Based On Selection:
24
Lp Jayatissa
University of Ruhuna Matara and Galle, Sri Lanka
Natural Sciences / Biological Science
Plant Ecology | Plant physiology | Environmental Science | Ecotoxicology | Plant Scienc

Citation Metrics

  • Total
    3,895
  • Last 5 Years
    1,908
  • Last 5 Years / Total
    0.490
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* Total Citation Counts Rankings

Rankings

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294,724
World Rank
Sri Lanka
134
Country Rank
Open University of Sri Lanka Logo
1
University
Ranking Based On Selection:
25
Gkr Senadeera
Open University of Sri Lanka Nawala, Sri Lanka
Natural Sciences / Physics
Dye Sensitized Solar cells | Nano materials | Conducting Polymers | Polymer Electrolytes | ECD

Citation Metrics

  • Total
    3,893
  • Last 5 Years
    1,430
  • Last 5 Years / Total
    0.367
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