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Porphyrin and Phthalocyanine Chemistry

Porphyrin and Phthalocyanine Chemistry is a research topic within Materials Chemistry. Science Explorer counts 49k research works in it since 1950. 16.1% of them reached the world's top 10% most cited for their field and year.

This cluster of papers explores the role of porphyrins and phthalocyanines in materials chemistry, focusing on their nonlinear optical properties, self-assembly behavior, use in molecular devices, metal complexes, artificial antenna systems, chirality-sensing supramolecular systems, and their photochemical and light-harvesting properties.

  • Porphyrins
  • Phthalocyanines
  • Nonlinear Optical Properties
  • Self-Assembly
  • Molecular Devices
  • Metal Complexes
  • Artificial Antenna Systems
  • Chirality-Sensing Supramolecular Systems
  • Photochemical Properties
  • Light-Harvesting
Research works
49k
fractional, since 1950
In the world top 10%
7.9k
per year above
Top-10% rate
16.1%
share of its works in the world top 10%
Growth, 2013–17 → 2018–22
-20%
the tick is no change

Which countries lead Porphyrin and Phthalocyanine Chemistry research?

By volume, China and India publish the most (1k and 466 works in 2022–2025).

By volume, 2022–2025

  1. 1 China 1k works
  2. 2 India 466 works
  3. 3 Japan 376 works
  4. 4 United States 366 works
  5. 5 Russia 345 works
  6. 6 Germany 175 works
  7. 7 France 169 works
  8. 8 Türkiye 165 works
  9. 9 Spain 104 works
  10. 10 Italy 101 works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

China: 31.5%India: 14.1%Japan: 11.4%United States: 11.1%6 others listed: 32.0%31%largest
China1,041 · 31.5%India466 · 14.1%Japan376 · 11.4%United States366 · 11.1%6 others listed1,058 · 32.0%

Shares of the rows listed above, not of the whole node.

Which institutions lead Porphyrin and Phthalocyanine Chemistry research?

By volume in 2022–2025, Institute of Solution Chemistry publishes the most Porphyrin and Phthalocyanine Chemistry research, followed by Ivanovo State University of Chemistry and Technology and Indian Institute of Technology Bombay.

Who are the leading researchers in Porphyrin and Phthalocyanine Chemistry?

The most-cited researchers publishing on Porphyrin and Phthalocyanine Chemistry include Michaël Grätzel, Ben Zhong Tang and Judith A. K. Howard.

  1. 1 Michaël Grätzel Switzerland 13k citations
  2. 2 Ben Zhong Tang Hong Kong 7k citations
  3. 3 Judith A. K. Howard United Kingdom 5.5k citations
  4. 4 O. Schneider Switzerland 5.2k citations
  5. 5 Avelino Corma Spain 4.4k citations
  6. 6 Michael J. S. Dewar United States 4.3k citations
  7. 7 Richard H. Friend United Kingdom 4k citations
  8. 8 Vincenzo Barone Italy 3.9k citations

Ranked by citations received across their whole record, among researchers with at least three works on this topic.

Where is Porphyrin and Phthalocyanine Chemistry research done?

The largest centres of Porphyrin and Phthalocyanine Chemistry research in 2022–2025 are Beijing (China), Moscow (Russia), Ivanovo (Russia) and Tokyo (Japan). Among places with at least 20 works in it, it is an unusually large share of all research in Ivanovo and Grahamstown.

Largest cities, 2022–2025

  1. 1 Beijing China 149 works
  2. 2 Moscow Russia 114 works
  3. 3 Ivanovo Russia 86 works
  4. 4 Tokyo Japan 72 works
  5. 5 Shanghai China 67 works
  6. 6 Kyoto Japan 59 works
  7. 7 Paris France 57 works
  8. 8 Mumbai India 55 works
  9. 9 Nanjing China 52 works
  10. 10 Istanbul Türkiye 45 works

Where it is the local speciality

  1. IvanovoRU · 85.9 works211×
  2. GrahamstownZA · 20.2 works52×
← less than its size predictsmore →

Location quotient: how much more of its research is in Porphyrin and Phthalocyanine Chemistry than the world average.

See Porphyrin and Phthalocyanine Chemistry on the map

Where is the best place to study Porphyrin and Phthalocyanine Chemistry?

Among universities, judged by research, Beijing Normal University, Ivanovo State University of Chemistry and Technology and Yıldız Technical University score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%20%40%mean 7.78%fractional works in this node (log) →share in the world top 10% →Beijing Normal University: 16, 38.9%Ivanovo State University of Chemistry and Technology: 38, 1.5%Yıldız Technical University: 17, 10.7%Rhodes University: 20, 6.1%Kyoto University: 28, 5.7%Indian Institute of Technology Bombay: 33, 0.6%Hunan Normal University: 18, 3.5%Friedrich-Alexander-Universität Erlangen-Nürnberg: 18, 7.4%University of Rajasthan: 13, 0.0%University of North Texas: 11, 3.4%Beijing Normal Unive…Yıldız Technical Uni…Rhodes UniversityIvanovo State Univer…
above the meannear itbelow it

One dot per university in the table below. The upper left is the interesting corner: small places doing unusually strong work.

#UniversityScoreTop 10%SpecialisationWorksGrowth
1 Beijing Normal UniversityChina 60.338.9%5.6×16 +41.9%
2 Ivanovo State University of Chemistry and TechnologyRussia 53.91.5%397.7×38 +73.7%
3 Yıldız Technical UniversityTürkiye 51.510.7%15.9×17 +63.5%
4 Rhodes UniversitySouth Africa 50.16.1%56.2×20 +11.6%
5 Kyoto UniversityJapan 48.85.7%8.9×28 +1.5%
6 Indian Institute of Technology BombayIndia 48.50.6%17.9×33 +0.3%
7 Hunan Normal UniversityChina 48.33.5%17.8×18 +100.5%
8 Friedrich-Alexander-Universität Erlangen-NürnbergGermany 47.47.4%9.3×18 +10.6%
9 University of RajasthanIndia 46.20.0%22.4×13 +327.4%
10 University of North TexasUnited States 45.23.4%9.9×11 +132.7%

Universities only. Score blends excellence (30%), specialisation (25%), size (20%), growth (15%) and international reach (10%), 2015–2022; growth compares 2010–14 with 2015–19.

Is Porphyrin and Phthalocyanine Chemistry research growing?

Output in 2018–2022 was 20% lower than in 2013–2017, peaking in 2015. The fastest-growing topics are Porphyrin and Phthalocyanine Chemistry.

19801990200020102020
grewheldshrank

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

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.