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Research facility · Sofia · Bulgaria

Institute of General and Inorganic Chemistry

In research, Institute of General and Inorganic Chemistry stands highest in Physical Sciences (#5,642 of 12,888 worldwide), Engineering (#6,346 of 6,636 worldwide) and Materials Science (#2,378 of 2,468 worldwide), 2022–2025. Relative to its size it is most specialised in Materials Chemistry — Materials Chemistry is 10.6× its share of world research.

igic.bas.bgROR OpenAlex
World rank, 2022–2025
#10,020
of 28,054 · #5,734 all time
Rank in Bulgaria
#16
of 92
Research works
1.9k
▲ 50% vs 2013–17
Citations
31k
16.4 per fractional work
Top-10% rate
4.2%
record average 16.5%
Open access
22%
world 28%

What is Institute of General and Inorganic Chemistry 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 #5,642 of 12,888 3.7%227 #3461
EngineeringField #6,346 of 6,636 3.6%66 #6248
Materials ScienceField #2,378 of 2,468 3.8%77 #2074

Each strip is that field’s whole ranked pool, with the notch where Institute of General and Inorganic Chemistry 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).

Which of those standings moved

The same fields on both windows: where it stood over the whole record, and where it stands in 2022–2025. The distance is the story, and it is the one thing the two rank columns above cannot show.

  1. Physical Sciences#3,461 #5,642
  2. Engineering#6,248 #6,346
  3. Materials Science#2,074 #2,378
all time2022–2025, better2022–2025, worse

A dot further right is a better standing. Fields it was not ranked in over the whole record are left out.

What does Institute of General and Inorganic Chemistry specialise in?

Where its research is concentrated relative to its size: Materials Chemistry takes 10.6× the share of its output that it takes of world research.

  1. Materials ChemistrySubfield · 52.9 works11×
← 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: 0.30× its world share, 4 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.37× its world share, 5 worksBiochemistry, Geneti…Immunology and Microbiology: 0.05× its world share, 0 worksImmunology and Micro…Neuroscience: 0.05× its world share, 0 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 2.17× its world share, 2 worksPharmacology, Toxico…Chemical Engineering: 14.05× its world share, 13 worksChemical EngineeringChemistry: 9.17× its world share, 37 worksChemistryComputer Science: 0.09× its world share, 2 worksComputer ScienceEarth and Planetary Sciences: 0.61× its world share, 2 worksEarth and Planetary …Energy: 3.96× its world share, 9 worksEnergyEngineering: 1.72× its world share, 66 worksEngineeringEnvironmental Science: 0.96× its world share, 12 worksEnvironmental ScienceMaterials Science: 8.64× its world share, 77 worksMaterials ScienceMathematics: 0.04× its world share, 0 worksMathematicsPhysics and Astronomy: 1.58× its world share, 9 worksPhysics and AstronomyDentistry: 0.77× its world share, 1 worksDentistryHealth Professions: 0.01× its world share, 0 worksHealth ProfessionsMedicine: 0.23× its world share, 12 worksMedicineVeterinary: 0.82× its world share, 0 worksVeterinaryArts and Humanities: 0.05× its world share, 0 worksArts and HumanitiesEconomics, Econometrics and Finance: 0.18× its world share, 1 worksEconomics, Econometr…Social Sciences: 0.10× its world share, 3 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Chemical Engineering, 14.1×. Every wedge is a field page.

Who are the top researchers at Institute of General and Inorganic Chemistry?

Ranked on the composite score, P. Peshev, Vladimír Blaskov and Irinа Stambolova lead among researchers whose main affiliation is Institute of General and Inorganic Chemistry.

  1. 1 P. Peshev Bulgaria · #222,918 worldwide 109 citations · 27 works
  2. 2 Vladimír Blaskov Bulgaria · #398,103 worldwide 87 citations · 23 works
  3. 3 Irinа Stambolova Bulgaria · #433,761 worldwide 100 citations · 23 works
  4. 4 В. И. Нефедов Bulgaria · #527,281 worldwide 68 citations · 17 works
  5. 5 Daniela Kovacheva Bulgaria · #557,733 worldwide 218 citations · 55 works
  6. 6 Genoveva Atanasova Bulgaria · #609,291 worldwide 101 citations · 29 works
  7. 7 Κ. Petrov Bulgaria · #809,853 worldwide 120 citations · 31 works
  8. 8 I. S. SHAPLYGIN Bulgaria · #832,718 worldwide 67 citations · 19 works
  9. 9 L. Surnev Bulgaria · #881,720 worldwide 116 citations · 15 works
  10. 10 Radostina Stoyanova Bulgaria · #1,148,170 worldwide 86 citations · 41 works
All ranked researchers at Institute of General and Inorganic Chemistry

Which keywords describe research at Institute of General and Inorganic Chemistry?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Nanomaterials, Catalysis, Nanoparticles, Energy Storage, Nanostructures, Luminescent Materials, Synthesis and Adsorption.

▲ 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. Nanomaterials26▲ 9.7×17 topics
  2. Catalysis25▲ 15×26 topics
  3. Nanoparticles22▲ 6.7×29 topics
  4. Energy Storage13▲ 7.6×8 topics
  5. Biomedical Applications12▲ 4.0×22 topics
  6. Nanostructures12▲ 11×14 topics
  7. Luminescent Materials12▲ 65×3 topics
  8. Synthesis11▲ 12×23 topics
  9. Adsorption11▲ 20×4 topics
  10. Cathode Materials10▲ 10×3 topics
  11. Graphene10▲ 5.6×9 topics
  12. Lithium-ion Batteries9▲ 8.4×4 topics
  13. Nanocomposites9▲ 4.2×17 topics
  14. Drug Delivery8▲ 5.7×13 topics
  15. Heterogeneous Catalysis8▲ 16×5 topics
  16. Metal-Organic Frameworks8▲ 7.1×5 topics
  17. Solar Cell Efficiency7▲ 27×2 topics
  18. Water Splitting7▲ 7.7×4 topics
  19. Solid-State Lighting7▲ 34×2 topics
  20. Ionic Conductivity7▲ 19×2 topics
  21. Nanocrystal Synthesis7▲ 55×1 topic
  22. Semiconductors7▲ 8.5×5 topics
  23. Upconversion Nanoparticles7▲ 55×1 topic
  24. Actinides6▲ 48×2 topics
  25. Crystal Structure6▲ 18×6 topics
  26. Oxidation6▲ 15×3 topics
  27. Rechargeable Batteries6▲ 9.3×2 topics
  28. Chemical Sensors6▲ 10×3 topics
  29. Medicinal Chemistry6▲ 8.8×10 topics
  30. Ceria6▲ 19×1 topic
  31. Gold6▲ 19×1 topic
  32. Ionic Liquids6▲ 8.4×9 topics
  33. Optical Properties6▲ 38×3 topics
  34. Hybrid Materials6▲ 34×4 topics
  35. Crystal Growth6▲ 7.8×11 topics
  36. Extraction6▲ 16×3 topics
  37. Environmental Remediation5▲ 36×3 topics
  38. Vanadium Oxide5▲ 28×2 topics
  39. Ceramics5▲ 14×4 topics
  40. Visible Light5▲ 8.9×3 topics

Which research topics does Institute of General and Inorganic Chemistry publish most on?

By volume in 2022–2025: Luminescence Properties of Advanced Materials, Catalytic Processes in Materials Science, Chemical Synthesis and Characterization and Advancements in Battery Materials.

Luminescence Properties …7Luminescence Properties of Advanced Materials: 7 fractional worksCatalytic Processes in M…6Catalytic Processes in Materials Science: 6 fractional worksChemical Synthesis and Characterization: 5 fractional worksAdvancements in Battery Materials: 5 fractional worksCatalysis and Oxidation Reactions: 4 fractional worksLanthanide and Transition Metal Complexes: 4 fractional worksAdvanced Battery Materials and Technologies: 4 fractional worksGlass properties and app…4Glass properties and applications: 4 fractional worksGas Sensing Nanomaterials and Sensors: 4 fractional worksRadioactive element chemistry and processing: 4 fractional works
Materials ChemistryIndustrial and Manufacturing EngineeringElectrical and Electronic EngineeringCatalysis2 others

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

  1. 1 Luminescence Properties of Advanced Materials Materials Chemistry 7 works
  2. 2 Catalytic Processes in Materials Science Materials Chemistry 6 works
  3. 3 Chemical Synthesis and Characterization Industrial and Manufacturing Engineering 5 works
  4. 4 Advancements in Battery Materials Electrical and Electronic Engineering 5 works
  5. 5 Catalysis and Oxidation Reactions Catalysis 4 works
  6. 6 Lanthanide and Transition Metal Complexes Materials Chemistry 4 works
  7. 7 Advanced Battery Materials and Technologies Electrical and Electronic Engineering 4 works
  8. 8 Glass properties and applications Ceramics and Composites 4 works
  9. 9 Gas Sensing Nanomaterials and Sensors Electrical and Electronic Engineering 4 works
  10. 10 Radioactive element chemistry and processing Inorganic 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 available21.5%not open78.5%

World: 28% of research is openly available.

with international co-authors39.0%domestic only61.0%

World: 19% is written across borders.

How has Institute of General and Inorganic Chemistry's research output changed?

Output in 2018–2022 was 50% higher 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 Sofia

All research institutions in Sofia

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.