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Topic · Catalysis

Ionic liquids properties and applications

Ionic liquids properties and applications is a research topic within Catalysis. Science Explorer counts 36k research works in it since 1950. 9.9% of them reached the world's top 10% most cited for their field and year.

This cluster of papers explores the wide-ranging applications of ionic liquids and deep eutectic solvents in fields such as catalysis, green chemistry, biocatalysis, CO2 capture, nanoscale materials, and electrochemistry. The research focuses on the unique properties and potential environmental benefits of these solvents in various industrial and scientific processes.

  • Ionic Liquids
  • Solvents
  • Catalysis
  • Green Chemistry
  • Deep Eutectic Solvents
  • Biocatalysis
  • CO2 Capture
  • Nanoscale Materials
  • Electrochemistry
  • Sustainable Technology
Research works
36k
fractional, since 1950
In the world top 10%
3.6k
per year above
Top-10% rate
9.9%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+18%
the tick is no change
Largest producer
China
48% of the 10 largest, 2022-now
Ionic liquids properties and applications

Which countries lead Ionic liquids properties and applications research?

By volume, China and India publish the most (2.8k and 702 works in 2022-now).

By volume, 2022-now

  1. 1 China 2.8k works
  2. 2 India 702 works
  3. 3 United States 687 works
  4. 4 Japan 290 works
  5. 5 Germany 254 works
  6. 6 Iran 247 works
  7. 7 Russia 228 works
  8. 8 France 203 works
  9. 9 Spain 196 works
  10. 10 South Korea 155 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: 48.3%India: 12.3%United States: 12.0%Japan: 5.1%6 others listed: 22.4%48%largest
China2,770 · 48.3%India702 · 12.3%United States687 · 12.0%Japan290 · 5.1%6 others listed1,283 · 22.4%

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

Which institutions lead Ionic liquids properties and applications research?

By volume in 2022-now, Chinese Academy of Sciences publishes the most Ionic liquids properties and applications research, followed by Russian Academy of Sciences and Centre National de la Recherche Scientifique.

By volume, 2022-now

  1. 1 Chinese Academy of SciencesChina 228 works
  2. 2 Russian Academy of SciencesRussia 111 works
  3. 3 Centre National de la Recherche ScientifiqueFrance 105 works
  4. 4 Qingdao University of Science and TechnologyChina 57 works
  5. 5 Beijing University of Chemical TechnologyChina 54 works
  6. 6 University of Chinese Academy of SciencesChina 48 works
  7. 7 Xi'an Jiaotong UniversityChina 47 works
  8. 8 East China University of Science and TechnologyChina 46 works
  9. 9 Helmholtz Association of German Research CentresGermany 43 works
  10. 10 Tianjin UniversityChina 37 works

Who are the leading researchers in Ionic liquids properties and applications?

The most-cited researchers publishing on Ionic liquids properties and applications include Michaël Grätzel, Yury G. Gogotsi and George M. Whitesides.

  1. 1 Michaël Grätzel Switzerland 458k citations
  2. 2 Yury G. Gogotsi United States 313k citations
  3. 3 George M. Whitesides United States 267k citations
  4. 4 Wei Huang China 267k citations
  5. 5 Yi Ping Cui United States 261k citations
  6. 6 Ben Zhong Tang China 261k citations
  7. 7 Jens K. Nørskov Denmark 260k citations
  8. 8 Donald G. Truhlar United States 230k citations
  9. 9 Stefan Grimme Germany 224k citations
  10. 10 Kai You Wang China 224k citations

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

What are the most cited papers in Ionic liquids properties and applications?

The most cited paper in Ionic liquids properties and applications is "Room-Temperature Ionic Liquids: Solvents for Synthesis and Catalysis. 2" (Jason Patrick Hallett, Tom Welton, 2011), with 12,587 citations. Next come "Room-Temperature Ionic Liquids. Solvents for Synthesis and Catalysis" (11,843) and "Deep Eutectic Solvents (DESs) and Their Applications" (7,356).

Most cited papers
#PaperReleasedCitations
1 Room-Temperature Ionic Liquids: Solvents for Synthesis and Catalysis. 2 Jason Patrick Hallett, Tom Welton · Chemical Reviews Review 6 Apr 2011 12,587
2 Room-Temperature Ionic Liquids. Solvents for Synthesis and Catalysis Tom Welton · Chemical Reviews Review 7 Jul 1999 11,843
3 Deep Eutectic Solvents (DESs) and Their Applications Emma L. Smith, Andrew P. Abbott, Karl Scott Ryder · Chemical Reviews ReviewOpen access 10 Oct 2014 7,356
4 Ionic Liquids—New “Solutions” for Transition Metal Catalysis Peter Wasserscheid, Wilhelm Keim · Angewandte Chemie International Edition 3 Nov 2000 5,721
5 Applications of ionic liquids in the chemical industry Natalia V. Plechkova, Kenneth Richard Seddon · Chemical Society Reviews Review 30 Nov 2007 5,674
All 100 most cited papers, with filters and sorting

Where is Ionic liquids properties and applications research done?

The largest centres of Ionic liquids properties and applications research in 2022-now are Beijing (China), Shanghai (China), Nanjing (China) and Qingdao (China). Among places with at least 20 works in it, it is an unusually large share of all research in Ipoh and Aveiro.

Largest cities, 2022-now

  1. 1 BeijingChina 494 works
  2. 2 ShanghaiChina 158 works
  3. 3 NanjingChina 137 works
  4. 4 QingdaoChina 133 works
  5. 5 HangzhouChina 118 works
  6. 6 TianjinChina 110 works
  7. 7 Xi'anChina 92 works
  8. 8 MoscowRussia 77 works
  9. 9 WuhanChina 77 works
  10. 10 ChengduChina 77 works

Where it is the local speciality

  1. IpohMY · 23.5 works18×
  2. AveiroPT · 24.7 works9.6×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Ionic liquids properties and applications than the world average.

See Ionic liquids properties and applications on the map

Where is the best place to study Ionic liquids properties and applications?

Among universities, judged by research, City University of Hong Kong, National University of Singapore and Beijing University of Chemical Technology 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 22.65%fractional works in this field (log) →share of work in the world top 10% →Southern University …City University of H…National University …Beijing University o…
above the meannear itbelow it

One dot per university in the first ten of the table below, at the default weights. The upper left is the interesting corner: small places doing unusually strong work.

Excellenceshare of its work in the world top 10%, 2022-now and all time averaged
40%
Specialisationhow much of its work is in this field, counted up to 10× the world share
10%
Sizeits output in this field, on a log scale
30%
Growthoutput growth, counted from -20% to +20%
10%
Internationalshare of its work with a co-author abroad
10%
Each slider sets a weight; the share it gets of the score is beside it.
#UniversityScoreTop 10%SpecialisationWorksGrowth
1City University of Hong KongChina 68.142.8%2.9×11 +301.3%
2National University of SingaporeSingapore 64.028.6%2.9×23 +185.8%
3Beijing University of Chemical TechnologyChina 62.313.0%18.5×54 +46.9%
4Southern University of Science and TechnologyChina 61.243.8%2.6×9 +134.4%
5University of Chinese Academy of SciencesChina 60.016.3%4.3×48 +30.7%
6University of Science and Technology of ChinaChina 58.926.7%3.1×25 +130.2%
7Qingdao University of Science and TechnologyChina 56.86.8%23.1×57 +113.1%
8East China University of Science and TechnologyChina 56.610.2%13.8×46 +71.4%
9Tsinghua UniversityChina 56.027.7%1.8×28 +53.3%
10Xi'an Jiaotong UniversityChina 53.610.6%4.0×47 +148.6%

Universities only. The score blends excellence (40%), size (30%), specialisation (10%), growth (10%), international reach (10%), 2022-now; growth compares 2018-21 with 2022-25 and counts up to +20%, since a jump from a small base is mostly noise.

Every institution in Ionic liquids properties and applications, country by country

Is Ionic liquids properties and applications research growing?

Output in 2022-2025 was 18% higher than in 2018-2021, peaking in 2016. The fastest-growing topics are Ionic liquids properties and applications.

still counting19801990200020102020
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 Ionic liquids properties and applications as a percentage of every work published that year, 0.033% in 2024.

still counting0.025%0.050%0.075%Ionic liquids properties and applications0.033% in 202519801990200020102020

Fractional works of Ionic liquids properties and applications 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.

still counting5%10%15%Ionic liquids properties and applications9.7% in 2025200020102020

Of each year's works in it, the share that reached the world's 10% most cited for their field and year. A field is the world for its own topics, so there is no other line to hold it against.

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.

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