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Research facility · Gwangju · South Korea

Korea Photonics Technology Institute

In research, Korea Photonics Technology Institute stands highest in Physical Sciences (#2,970 of 10,670 worldwide) and Engineering (#3,835 of 5,901 worldwide), 2022-now.

eng.kopti.re.kr/index.skoROR OpenAlex
World rank, 2022-now
#12,688
of 22,385 · #12,550 all time
Rank in South Korea
#207
of 343
Research works
945
▼ 7% vs 2018-21
Citations
12k
13.1 per fractional work
Top-10% rate
7.5%
all institutions 10.0%
vs its own fields
1.06×
1.00× is exactly expected
Open access
24%
world 40%
International
15%
world 18%
Korea Photonics Technology Institute

What is Korea Photonics Technology Institute known for in research?

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

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
Physical SciencesDomain #2,970 of 10,670 6.6%118 #3863
EngineeringField #3,835 of 5,901 5.6%65 #4490

Each strip is that field's whole ranked pool, with the notch where Korea Photonics Technology Institute 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 average mark, because the average differs by field (from about 6% in Dentistry to 21% in Economics).

Which fields of science does Korea Photonics Technology Institute work in?

In 2022-now, 90% of research at Korea Photonics Technology Institute is in Physical Sciences, 5% in Life Sciences. Its largest fields are Engineering (49%), Materials Science (18%), Physics and Astronomy (11%). It does 2.2× the world's share of Physical Sciences.

Physical Sciences: 128 fractional works · 89.7% of its workEngineering: 71 fractional works · 49.3% of its workElectrical and Electronic Engineering: 33 fractional works · 22.7% of its workBiomedical Engineering: 15 fractional works · 10.4% of its workMechanical Engineering: 6 fractional works · 4.2% of its workMechanics of Materials: 4 fractional works · 2.7% of its workMedia Technology: 3 fractional works · 2.2% of its workCivil and Structural Engineering: 3 fractional works · 2.0% of its workComputational Mechanics: 2 fractional works · 1.6% of its workControl and Systems Engineering: 2 fractional works · 1.5% of its workOcean Engineering: 1 fractional works · 0.7% of its workAerospace Engineering: 1 fractional works · 0.5% of its workAutomotive Engineering: 1 fractional works · 0.4% of its workSafety, Risk, Reliability and Quality: 0 fractional works · 0.2% of its workMaterials Science: 26 fractional works · 18.4% of its workMaterials Chemistry: 14 fractional works · 9.6% of its workElectronic, Optical and Magnetic Materials: 5 fractional works · 3.5% of its workCeramics and Composites: 3 fractional works · 2.2% of its workSurfaces, Coatings and Films: 2 fractional works · 1.3% of its workGeneral Materials Science: 2 fractional works · 1.0% of its workPolymers and Plastics: 1 fractional works · 0.7% of its workSmaller subfields together: 0 fractional works · 0.1% of its workPhysics and Astronomy: 16 fractional works · 11.4% of its workAtomic and Molecular Physics, and Optics: 9 fractional works · 6.1% of its workCondensed Matter Physics: 3 fractional works · 2.4% of its workNuclear and High Energy Physics: 2 fractional works · 1.0% of its workAstronomy and Astrophysics: 1 fractional works · 0.6% of its workRadiation: 1 fractional works · 0.5% of its workInstrumentation: 1 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.3% of its workComputer Science: 6 fractional works · 4.3% of its workArtificial Intelligence: 2 fractional works · 1.2% of its workComputer Vision and Pattern Recognition: 2 fractional works · 1.2% of its workInformation Systems: 1 fractional works · 0.6% of its workHuman-Computer Interaction: 1 fractional works · 0.5% of its workSignal Processing: 1 fractional works · 0.5% of its workComputer Networks and Communications: 0 fractional works · 0.3% of its workEnergy: 5 fractional works · 3.5% of its workRenewable Energy, Sustainability and the Environment: 4 fractional works · 2.8% of its workEnergy Engineering and Power Technology: 1 fractional works · 0.8% of its workChemistry: 2 fractional works · 1.1% of its workInorganic Chemistry: 1 fractional works · 0.5% of its workSpectroscopy: 1 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.3% of its workChemical Engineering: 1 fractional works · 0.8% of its workBioengineering: 1 fractional works · 0.5% of its workFluid Flow and Transfer Processes: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workEnvironmental Science: 1 fractional works · 0.7% of its workEnvironmental Engineering: 0 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.4% of its workEarth and Planetary Sciences: 0 fractional works · 0.3% of its workLife Sciences: 8 fractional works · 5.3% of its workBiochemistry, Genetics and Molecular Biology: 6 fractional works · 4.1% of its workMolecular Biology: 3 fractional works · 2.3% of its workBiophysics: 2 fractional works · 1.4% of its workSmaller subfields together: 1 fractional works · 0.4% of its workNeuroscience: 1 fractional works · 0.7% of its workCognitive Neuroscience: 0 fractional works · 0.3% of its workCellular and Molecular Neuroscience: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.2% of its workImmunology and Microbiology: 0 fractional works · 0.2% of its workImmunology: 0 fractional works · 0.2% of its workAgricultural and Biological Sciences: 0 fractional works · 0.2% of its workPharmacology, Toxicology and Pharmaceutics: 0 fractional works · 0.1% of its workHealth Sciences: 7 fractional works · 4.8% of its workMedicine: 7 fractional works · 4.7% of its workRadiology, Nuclear Medicine and Imaging: 2 fractional works · 1.1% of its workPulmonary and Respiratory Medicine: 2 fractional works · 1.1% of its workSurgery: 1 fractional works · 0.4% of its workRehabilitation: 1 fractional works · 0.4% of its workInfectious Diseases: 1 fractional works · 0.4% of its workComplementary and alternative medicine: 0 fractional works · 0.3% of its workDermatology: 0 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.7% of its workDentistry: 0 fractional works · 0.1% of its workNursing: 0 fractional works · 0.0% of its workSocial Sciences: 0 fractional works · 0.2% of its workPsychology: 0 fractional works · 0.1% of its workSocial Sciences: 0 fractional works · 0.1% of its workALL ITS WORKKorea PhotonicsTechnology…143fractional works, 2022-now
Life Sciences5%Physical Sciences90%Health Sciences5%Social Sciences0%

Each ring splits the one inside it: the four domains of science, their fields, their subfields. Size is fractional works in 2022-now. Every slice is a page; the interactive view zooms down to single topics and colours each by how much more of it this institution does than the world.

Its 4 domains and 19 fields, with their numbers
    1. Engineering7149.3%
    2. Materials Science2618.4%
    3. Physics and Astronomy1611.4%
    4. Computer Science64.3%
    5. Energy53.5%
    6. Chemistry21.1%
    7. Chemical Engineering10.8%
    8. Environmental Science10.7%
    9. Earth and Planetary Sciences00.3%
    1. Biochemistry, Genetics and Molecular Biology64.1%
    2. Neuroscience10.7%
    3. Immunology and Microbiology00.2%
    4. Agricultural and Biological Sciences00.2%
    5. Pharmacology, Toxicology and Pharmaceutics00.1%
    1. Medicine74.7%
    2. Dentistry00.1%
    3. Nursing00.0%
    1. Psychology00.1%
    2. Social Sciences00.1%
All of science, and how each field's share has moved since 1950: the Science domain explorer

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: 0.04× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.77× its world share, 6 worksBiochemistry, Geneti…Immunology and Microbiology: 0.24× its world share, 0 worksImmunology and Micro…Neuroscience: 0.43× its world share, 1 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.19× its world share, 0 worksPharmacology, Toxico…Chemical Engineering: 2.29× its world share, 1 worksChemical EngineeringChemistry: 0.72× its world share, 2 worksChemistryComputer Science: 0.55× its world share, 6 worksComputer ScienceEarth and Planetary Sciences: 0.22× its world share, 0 worksEarth and Planetary …Energy: 3.83× its world share, 5 worksEnergyEngineering: 3.29× its world share, 70 worksEngineeringEnvironmental Science: 0.14× its world share, 1 worksEnvironmental ScienceMaterials Science: 5.26× its world share, 26 worksMaterials SciencePhysics and Astronomy: 5.11× its world share, 16 worksPhysics and AstronomyDentistry: 0.16× its world share, 0 worksDentistryMedicine: 0.24× its world share, 7 worksMedicineNursing: 0.08× its world share, 0 worksNursingPsychology: 0.04× its world share, 0 worksPsychology1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Materials Science, 5.3×. Every wedge is a field page.

All 18 fields, with their numbers
  1. Materials Science5.26×26 works
  2. Physics and Astronomy5.11×16 works
  3. Energy3.83×5 works
  4. Engineering3.29×70 works
  5. Chemical Engineering2.29×1 works
  6. Biochemistry, Genetics and Molecular Biology0.77×6 works
  7. Chemistry0.72×2 works
  8. Computer Science0.55×6 works
  9. Neuroscience0.43×1 works
  10. Immunology and Microbiology0.24×0 works
  11. Medicine0.24×7 works
  12. Earth and Planetary Sciences0.22×0 works
  13. Pharmacology, Toxicology and Pharmaceutics0.19×0 works
  14. Dentistry0.16×0 works
  15. Environmental Science0.14×1 works
  16. Nursing0.08×0 works
  17. Agricultural and Biological Sciences0.04×0 works
  18. Psychology0.04×0 works

Who are the top researchers at Korea Photonics Technology Institute?

Ranked on the quality score, Ja Yeon Kim, June Park and Sun‐Goo Lee lead among researchers whose main affiliation is Korea Photonics Technology Institute.

  1. 1 Ja Yeon Kim South Korea · #1,516,526 worldwide 517 citations · 26 works
  2. 2 June Park South Korea · #1,520,950 worldwide 1.6k citations · 45 works
  3. 3 Sun‐Goo Lee South Korea · #2,311,230 worldwide 1k citations · 91 works
  4. 4 Hoonsoo Kang South Korea · #2,339,915 worldwide 1.4k citations · 62 works
  5. 5 Gil-Hwan Kim South Korea · #2,767,157 worldwide 175 citations · 20 works
  6. 6 Hyung Joo Lee South Korea · #2,974,241 worldwide 65 citations · 15 works
  7. 7 Hang Ju Ko South Korea · #3,049,996 worldwide 319 citations · 22 works
  8. 8 Wan‐Ho Kim South Korea · #3,053,616 worldwide 385 citations · 29 works
  9. 9 J. H. Baek South Korea · #3,142,359 worldwide 202 citations · 16 works
  10. 10 Yeon Hwang South Korea · #3,201,326 worldwide 323 citations · 27 works
All ranked researchers at Korea Photonics Technology Institute

What are the most cited papers from Korea Photonics Technology Institute?

The most cited paper from Korea Photonics Technology Institute is "Methylammonium Chloride Induces Intermediate Phase Stabilization for Efficient Perovskite Solar Cells" (Minjin Kim, Gi‐Hwan Kim, Tae Kyung Lee et al., 2019), with 1,754 citations. Next come "A zero-thermal-quenching phosphor" (1,078) and "Interferometric Fiber Optic Sensors" (716).

Most cited papers
#PaperReleasedCitations
1 Methylammonium Chloride Induces Intermediate Phase Stabilization for Efficient Perovskite Solar Cells Minjin Kim, Gi‐Hwan Kim, Tae Kyung Lee et al. · Joule Open access 21 Jun 2019 1,754
2 A zero-thermal-quenching phosphor Yoon Hwa Kim, Paulraj Arunkumar, Bo Young Kim et al. · Nature Materials 13 Feb 2017 1,078
3 Interferometric Fiber Optic Sensors Byeong Ha Lee, Young Ho Kim, Kwan Seob Park et al. · Sensors Open access 23 Feb 2012 716
4 Spectra stable blue perovskite light-emitting diodes Yuanzhi Jiang, Chaochao Qin, Minghuan Cui et al. · Nature Communications Open access 23 Apr 2019 488
5 Tumor Regression In Vivo by Photothermal Therapy Based on Gold-Nanorod-Loaded, Functional Nanocarriers Won Il Choi, Jayoung Kim, Chul Kang et al. · ACS Nano 23 Feb 2011 434
All 60 most cited papers, with filters and sorting

Which keywords describe research at Korea Photonics Technology Institute?

By fractional works in 2022-now, weighted toward what it does more of than the world: Biosensors, Semiconductor, Semiconductors, Biomedical Applications, Optical Modulators, Nanowires, Graphene and Nanostructures.

▲ 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-now 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. Biosensors12▲ 17×10 topics
  2. Semiconductor9▲ 20×6 topics
  3. Biomedical Applications9▲ 5.3×13 topics
  4. Semiconductors8▲ 18×5 topics
  5. Nanoparticles7▲ 4.1×18 topics
  6. Graphene7▲ 7.0×9 topics
  7. Optical Modulators7▲ 33×3 topics
  8. Nanowires7▲ 32×4 topics
  9. Nanostructures6▲ 10×11 topics
  10. Solar Cells6▲ 19×6 topics
  11. Nanomaterials6▲ 3.7×9 topics
  12. Optical Properties5▲ 59×4 topics
  13. Energy Storage5▲ 5.3×5 topics
  14. Band Parameters5▲ 62×2 topics
  15. Raman Lasers5▲ 32×2 topics
  16. Light-Emitting Diodes5▲ 22×2 topics
  17. Mechanical Properties5▲ 3.3×9 topics
  18. Silicon Photonics5▲ 32×2 topics
  19. Photovoltaics4▲ 20×3 topics
  20. Solid-State Lighting4▲ 40×2 topics
  21. Microcavities4▲ 29×1 topic
  22. Nanophotonic Waveguides4▲ 33×1 topic
  23. Nanocrystals4▲ 11×5 topics
  24. Metamaterials4▲ 19×4 topics
  25. Crystal Growth4▲ 9.7×7 topics
  26. GaN4▲ 75×2 topics
  27. Thin Films4▲ 13×5 topics
  28. Efficiency4▲ 8.3×3 topics
  29. Imaging4▲ 10×4 topics
  30. Spectroscopy4▲ 15×5 topics
  31. Optical Fiber3▲ 23×3 topics
  32. AlGaN/GaN HEMTs3▲ 76×1 topic
  33. Fiber Lasers3▲ 25×3 topics
  34. III-Nitrides3▲ 76×1 topic
  35. Photonic Crystals3▲ 18×4 topics
  36. Photodetectors3▲ 27×2 topics
  37. Fiber Optic Sensors3▲ 40×1 topic
  38. Sensor Technology3▲ 40×1 topic
  39. Solar Cell Efficiency3▲ 20×2 topics
  40. Structural Analysis3▲ 22×2 topics

Which research topics does Korea Photonics Technology Institute publish most on?

By volume in 2022-now: Photonic and Optical Devices, GaN-based semiconductor devices and materials, Advanced Fiber Optic Sensors and Glass properties and applications.

Photonic and Optical Dev…4Photonic and Optical Devices: 4 fractional worksGaN-based semiconductor …3GaN-based semiconductor devices and materials: 3 fractional worksAdvanced Fiber Optic Sen…3Advanced Fiber Optic Sensors: 3 fractional worksGlass properties and app…3Glass properties and applications: 3 fractional worksAdvanced biosensing and bioanalysis techniques: 2 fractional worksAdvanced Optical Imaging Technologies: 2 fractional worksOptical Systems and Lase…2Optical Systems and Laser Technology: 2 fractional worksMetal and Thin Film Mechanics: 2 fractional worksAdvanced optical system design: 2 fractional worksAdvanced Photocatalysis …2Advanced Photocatalysis Techniques: 2 fractional works
Electrical and Electronic EngineeringCondensed Matter PhysicsCeramics and CompositesMolecular Biology4 others

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

  1. 1 Photonic and Optical Devices Electrical and Electronic Engineering 4 works
  2. 2 GaN-based semiconductor devices and materials Condensed Matter Physics 3 works
  3. 3 Advanced Fiber Optic Sensors Electrical and Electronic Engineering 3 works
  4. 4 Glass properties and applications Ceramics and Composites 3 works
  5. 5 Advanced biosensing and bioanalysis techniques Molecular Biology 2 works
  6. 6 Advanced Optical Imaging Technologies Media Technology 2 works
  7. 7 Optical Systems and Laser Technology Electrical and Electronic Engineering 2 works
  8. 8 Metal and Thin Film Mechanics Mechanics of Materials 2 works
  9. 9 Advanced optical system design Biomedical Engineering 2 works
  10. 10 Advanced Photocatalysis Techniques Renewable Energy, Sustainability and the Environment 2 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 available23.9%not open76.1%

World: 40% of research is openly available.

with international co-authors15.3%domestic only84.7%

World: 18% is written across borders.

How has Korea Photonics Technology Institute's research output changed?

Output in 2022-2025 was 7% lower than in 2018-2021.

still counting200020052010201520202025
grewheldshrank

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

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Korea Photonics Technology Institute as a percentage of every work published that year, 0.00069% in 2024.

still counting0.0010%0.0020%0.0030%Korea Photonics Technology Institute0.00057% in 2025200020102020

Fractional works of Korea Photonics Technology Institute over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year, against all institutions in the same year.

still counting5%10%15%all institutions10.0% in 2025Korea Photonics Technology Institute5.9% in 202520102020

Of each year's output, the share that reached the world's 10% most cited for its field and year. Peak 9.9% in 2004.

Other research institutions in Gwangju

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Korea Photonics Technology Institute on Science Explorer

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