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Research facility · Hammam-Lif · Tunisia

Research and Technology Center of Energy

In research, Research and Technology Center of Energy stands highest in Physical Sciences (#6,790 of 12,888 worldwide) and Engineering (#4,346 of 6,636 worldwide), 2022–2025. Relative to its size it is most specialised in Renewable Energy, Sustainability and the Environment, Energy and Materials Chemistry — Renewable Energy, Sustainability and the Environment is 14.4× its share of world research.

crten.rnrt.tn/Accueil.phpROR OpenAlex
World rank, 2022–2025
#12,442
of 28,054 · #12,513 all time
Rank in Tunisia
#16
of 59
Research works
1.3k
◆ 2% vs 2013–17
Citations
27k
21.0 per fractional work
Top-10% rate
10.3%
record average 16.5%
Open access
21%
world 28%

What is Research and Technology Center of Energy known for in research?

The fields where it stands highest, 2022–2025, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
Physical SciencesDomain #6,790 of 12,888 9.1%264 #7615
EngineeringField #4,346 of 6,636 10.9%119 #5422

Each strip is that field’s whole ranked pool, with the notch where Research and Technology Center of Energy sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no world mark, because the world rate differs by field (from about 6% to 21% in this record).

What does Research and Technology Center of Energy specialise in?

Where its research is concentrated relative to its size: Renewable Energy, Sustainability and the Environment takes 14.4× the share of its output that it takes of world research.

  1. Renewable Energy, Sustainability and the EnvironmentSubfield · 33.6 works14×
  2. EnergyField · 35.3 works13×
  3. Materials ChemistrySubfield · 34.6 works5.8×
← less than its size predicts1×more →

Location quotient, a volume reading rather than an impact one. It surfaces small, lopsided specialities.

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 1.33× its world share, 19 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.22× its world share, 4 worksBiochemistry, Geneti…Immunology and Microbiology: 0.09× its world share, 0 worksImmunology and Micro…Neuroscience: 0.12× its world share, 1 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.23× its world share, 0 worksPharmacology, Toxico…Chemical Engineering: 1.97× its world share, 2 worksChemical EngineeringChemistry: 1.39× its world share, 7 worksChemistryComputer Science: 1.02× its world share, 24 worksComputer ScienceEarth and Planetary Sciences: 0.69× its world share, 3 worksEarth and Planetary …Energy: 12.70× its world share, 35 worksEnergyEngineering: 2.62× its world share, 119 worksEngineeringEnvironmental Science: 0.86× its world share, 13 worksEnvironmental ScienceMaterials Science: 5.12× its world share, 54 worksMaterials ScienceMathematics: 0.27× its world share, 1 worksMathematicsPhysics and Astronomy: 0.90× its world share, 6 worksPhysics and AstronomyDentistry: 0.12× its world share, 0 worksDentistryHealth Professions: 0.11× its world share, 1 worksHealth ProfessionsMedicine: 0.15× its world share, 9 worksMedicineNursing: 1.21× its world share, 2 worksNursingArts and Humanities: 0.01× its world share, 0 worksArts and HumanitiesBusiness, Management and Accounting: 0.02× its world share, 0 worksBusiness, Management…Decision Sciences: 0.34× its world share, 1 worksDecision SciencesEconomics, Econometrics and Finance: 0.01× its world share, 0 worksEconomics, Econometr…Psychology: 0.10× its world share, 1 worksPsychologySocial Sciences: 0.02× its world share, 1 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Energy, 12.7×. Every wedge is a field page.

Who are the top researchers at Research and Technology Center of Energy?

Ranked on the composite score, Hatem Ezzaouia, B. Bessaı̈s and M. Hajji lead among researchers whose main affiliation is Research and Technology Center of Energy.

  1. 1 Hatem Ezzaouia Tunisia · #443,630 worldwide 298 citations · 68 works
  2. 2 B. Bessaı̈s Tunisia · #582,185 worldwide 120 citations · 41 works
  3. 3 M. Hajji Tunisia · #601,873 worldwide 103 citations · 19 works
  4. 4 Sami Kooli Tunisia · #653,540 worldwide 132 citations · 15 works
  5. 5 Amenallah Guizani Tunisia · #660,778 worldwide 134 citations · 34 works
  6. 6 R. Chtourou Tunisia · #708,785 worldwide 232 citations · 55 works
  7. 7 A. Ben Hassen Tunisia · #827,988 worldwide 65 citations · 24 works
  8. 8 Féthi Zagrouba Tunisia · #986,956 worldwide 38 citations · 16 works
  9. 9 Mourad Talbi Tunisia · #1,457,129 worldwide 22 citations · 20 works
  10. 10 Salwa Bouadila Tunisia · #1,534,570 worldwide 56 citations · 18 works
All ranked researchers at Research and Technology Center of Energy

Which keywords describe research at Research and Technology Center of Energy?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Solar Energy, Semiconductor, Nanostructures, Nanocrystals, Renewable Energy, Solar Cells, Nanomaterials and Efficiency.

▲ more of its work than of the world’s◆ about the world’s share▼ less than the world’s

Size is fractional works in 2022–2025 in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Renewable Energy23▲ 5.3×17 topics
  2. Solar Energy23▲ 24×5 topics
  3. Semiconductor21▲ 21×6 topics
  4. Nanostructures20▲ 17×9 topics
  5. Nanomaterials20▲ 6.2×12 topics
  6. Nanocrystals20▲ 24×5 topics
  7. Solar Cells20▲ 32×6 topics
  8. Deep Learning17▲ 1.65×28 topics
  9. Efficiency16▲ 18×4 topics
  10. Photovoltaics16▲ 31×4 topics
  11. Nanoparticles14▲ 3.6×25 topics
  12. Heat Transfer14▲ 9.1×12 topics
  13. Graphene13▲ 6.3×9 topics
  14. Energy Efficiency13▲ 4.5×11 topics
  15. Semiconductors12▲ 13×4 topics
  16. Water Splitting12▲ 11×4 topics
  17. Phase Change Materials12▲ 40×2 topics
  18. Visible Light11▲ 16×2 topics
  19. Artificial Neural Networks11▲ 7.4×6 topics
  20. Bioimaging9▲ 13×4 topics
  21. Convolutional Neural Networks9▲ 4.0×10 topics
  22. Solar Cell Efficiency9▲ 28×2 topics
  23. Photovoltaic/Thermal Hybrid Technology9▲ 54×1 topic
  24. Solar Thermal Collectors9▲ 54×1 topic
  25. CO2 Reduction8▲ 13×2 topics
  26. Hydrogen Production8▲ 10×3 topics
  27. Synthesis8▲ 7.5×9 topics
  28. Photocatalyst8▲ 15×1 topic
  29. Plasmonic8▲ 15×1 topic
  30. CZTS7▲ 41×1 topic
  31. Semiconductor Nanocrystals7▲ 23×2 topics
  32. Thin-Film Solar Cells7▲ 41×1 topic
  33. Wavelet Transform7▲ 10×4 topics
  34. Characterization7▲ 17×4 topics
  35. Parameter Estimation7▲ 18×3 topics
  36. Photodetectors7▲ 27×2 topics
  37. Nanowires6▲ 15×5 topics
  38. Grid Integration6▲ 19×3 topics
  39. Maximum Power Point Tracking6▲ 41×1 topic
  40. Photovoltaic Arrays6▲ 41×1 topic

Which research topics does Research and Technology Center of Energy publish most on?

By volume in 2022–2025: Solar Thermal and Photovoltaic Systems, Advanced Photocatalysis Techniques, Chalcogenide Semiconductor Thin Films and Photovoltaic System Optimization Techniques.

Solar Thermal and Photov…9Solar Thermal and Photovoltaic Systems: 9 fractional worksAdvanced Photocatalysis …8Advanced Photocatalysis Techniques: 8 fractional worksChalcogenide Semiconductor Thin Films: 7 fractional worksPhotovoltaic System Optimization Techniques: 6 fractional worksCopper-based nanomaterials and applications: 6 fractional worksZnO doping and properties: 6 fractional worksSolar Radiation and Photovoltaics: 5 fractional workssolar cell performance o…5solar cell performance optimization: 5 fractional worksGreenhouse Technology and Climate Control: 5 fractional worksQuantum Dots Synthesis And Properties: 4 fractional works
Renewable Energy, Sustainability and the EnvironmentElectrical and Electronic EngineeringMaterials ChemistryArtificial Intelligence1 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Solar Thermal and Photovoltaic Systems Renewable Energy, Sustainability and the Environment 9 works
  2. 2 Advanced Photocatalysis Techniques Renewable Energy, Sustainability and the Environment 8 works
  3. 3 Chalcogenide Semiconductor Thin Films Electrical and Electronic Engineering 7 works
  4. 4 Photovoltaic System Optimization Techniques Renewable Energy, Sustainability and the Environment 6 works
  5. 5 Copper-based nanomaterials and applications Materials Chemistry 6 works
  6. 6 ZnO doping and properties Materials Chemistry 6 works
  7. 7 Solar Radiation and Photovoltaics Artificial Intelligence 5 works
  8. 8 solar cell performance optimization Electrical and Electronic Engineering 5 works
  9. 9 Greenhouse Technology and Climate Control Plant Science 5 works
  10. 10 Quantum Dots Synthesis And Properties Materials Chemistry 4 works

How open and international is its research?

Against the world’s own shares — the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available20.8%not open79.2%

World: 28% of research is openly available.

with international co-authors30.0%domestic only70.0%

World: 19% is written across borders.

How has Research and Technology Center of Energy's research output changed?

Output in 2018–2022 was 2% lower than in 2013–2017.

1990200020102020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.

Other research institutions in Hammam-Lif

All research institutions in Hammam-Lif

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.