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Topic · Materials Chemistry

Silicon Nanostructures and Photoluminescence

Silicon Nanostructures and Photoluminescence is a research topic within Materials Chemistry. 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 focuses on the synthesis, properties, and applications of porous silicon nanoparticles and nanostructures. It covers topics such as drug delivery, bioimaging, optical properties, luminescence, and biocompatibility of porous silicon. The research also explores the use of silicon quantum dots and electroluminescence in various biomedical and optoelectronic applications.

  • Porous Silicon
  • Nanoparticles
  • Luminescent
  • Drug Delivery
  • Optical Properties
  • Bioimaging
  • Photoluminescence
  • Silicon Quantum Dots
  • Biocompatible
  • Electroluminescence
Research works
36k
fractional, since 1950
In the world top 10%
3.5k
per year above
Top-10% rate
9.9%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
-23%
the tick is no change
Largest producer
China
31% of the 10 largest, 2022-now
Silicon Nanostructures and Photoluminescence

Which countries lead Silicon Nanostructures and Photoluminescence research?

By volume, China and the United States publish the most (529 and 213 works in 2022-now).

By volume, 2022-now

  1. 1 China 529 works
  2. 2 United States 213 works
  3. 3 Russia 212 works
  4. 4 Japan 159 works
  5. 5 India 141 works
  6. 6 Germany 114 works
  7. 7 South Korea 113 works
  8. 8 France 96 works
  9. 9 Iraq 79 works
  10. 10 Türkiye 58 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: 30.8%United States: 12.4%Russia: 12.4%Japan: 9.3%6 others listed: 35.0%31%largest
China529 · 30.8%United States213 · 12.4%Russia212 · 12.4%Japan159 · 9.3%6 others listed601 · 35.0%

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

Which institutions lead Silicon Nanostructures and Photoluminescence research?

By volume in 2022-now, Russian Academy of Sciences publishes the most Silicon Nanostructures and Photoluminescence research, followed by Chinese Academy of Sciences and Centre National de la Recherche Scientifique.

By volume, 2022-now

  1. 1 Russian Academy of SciencesRussia 85 works
  2. 2 Chinese Academy of SciencesChina 55 works
  3. 3 Centre National de la Recherche ScientifiqueFrance 50 works
  4. 4 University of Technology - IraqIraq 27 works
  5. 5 Zhejiang UniversityChina 19 works
  6. 6 National Academy of Sciences of UkraineUkraine 18 works
  7. 7 Sungkyunkwan UniversitySouth Korea 14 works
  8. 8 Helmholtz Association of German Research CentresGermany 14 works
  9. 9 Fraunhofer-GesellschaftGermany 13 works
  10. 10 Lomonosov Moscow State UniversityRussia 12 works

Who are the leading researchers in Silicon Nanostructures and Photoluminescence?

The most-cited researchers publishing on Silicon Nanostructures and Photoluminescence include Zhong Lin Wang, Michaël Grätzel and Georg Kresse.

  1. 1 Zhong Lin Wang United States 491k citations
  2. 2 Michaël Grätzel Switzerland 458k citations
  3. 3 Georg Kresse Austria 431k citations
  4. 4 Kostya S. Novoselov United Kingdom 331k citations
  5. 5 Andre K. Geim United Kingdom 315k citations
  6. 6 Yury G. Gogotsi United States 313k citations
  7. 7 Wei Huang China 267k citations
  8. 8 Yi Ping Cui United States 261k citations
  9. 9 Kenji Watanabe Japan 237k citations
  10. 10 Takashi Taniguchi Japan 227k 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 Silicon Nanostructures and Photoluminescence?

The most cited paper in Silicon Nanostructures and Photoluminescence is "Optical Properties and Electronic Structure of Amorphous Germanium" (J. Tauc, Radu Grigorovici, Ana Vancu, 1966), with 11,059 citations. Next come "Silicon quantum wire array fabrication by electrochemical and chemical dissolution of wafers" (7,986) and "A Laser Ablation Method for the Synthesis of Crystalline Semiconductor Nanowires" (4,372).

Most cited papers
#PaperReleasedCitations
1 Optical Properties and Electronic Structure of Amorphous Germanium J. Tauc, Radu Grigorovici, Ana Vancu · physica status solidi (b) 1966 11,059
2 Silicon quantum wire array fabrication by electrochemical and chemical dissolution of wafers Leigh Canham · Applied Physics Letters 3 Sep 1990 7,986
3 A Laser Ablation Method for the Synthesis of Crystalline Semiconductor Nanowires Alfredo Morales, Charles M. Lieber · Science 9 Jan 1998 4,372
4 Light-emitting diodes made from cadmium selenide nanocrystals and a semiconducting polymer Vicki L. Colvin, M. C. Schlamp, A. Paul Alivisatos · Nature Aug 1994 4,245
5 Self-Oriented Regular Arrays of Carbon Nanotubes and Their Field Emission Properties Shoushan Fan, Michael G. Chapline, Nathan R. Franklin et al. · Science 22 Jan 1999 3,006
All 100 most cited papers, with filters and sorting

Where is Silicon Nanostructures and Photoluminescence research done?

The largest centres of Silicon Nanostructures and Photoluminescence research in 2022-now are Beijing (China), Moscow (Russia), Seoul (South Korea) and Baghdad (Iraq). Among places with at least 20 works in it, it is an unusually large share of all research in Baghdad, Novosibirsk and Tashkent.

Largest cities, 2022-now

  1. 1 BeijingChina 94 works
  2. 2 MoscowRussia 70 works
  3. 3 SeoulSouth Korea 66 works
  4. 4 BaghdadIraq 53 works
  5. 5 TokyoJapan 42 works
  6. 6 ShanghaiChina 39 works
  7. 7 Saint PetersburgRussia 37 works
  8. 8 NanjingChina 29 works
  9. 9 HangzhouChina 27 works
  10. 10 NovosibirskRussia 25 works

Where it is the local speciality

  1. BaghdadIQ · 53.5 works11×
  2. NovosibirskRU · 25.5 works9.3×
  3. TashkentUZ · 23.1 works6.3×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Silicon Nanostructures and Photoluminescence than the world average.

See Silicon Nanostructures and Photoluminescence on the map

Where is the best place to study Silicon Nanostructures and Photoluminescence?

Among universities, judged by research, University of Technology - Iraq, Soochow University and Sungkyunkwan University score highest, combining citation excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%10%20%mean 17.74%fractional works in this field (log) →share of work in the world top 10% →Sungkyunkwan Univers…Soochow UniversityUniversity of Techno…Zhejiang University
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.

Citation 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
1University of Technology - IraqIraq 87.614.9%56.0×27 +54.8%
2Soochow UniversityChina 60.317.2%4.5×9 +28.3%
3Sungkyunkwan UniversitySouth Korea 60.220.0%9.8×14 +9.6%
4Zhejiang UniversityChina 59.114.7%3.4×19 +22.0%
5University of BaghdadIraq 51.216.6%7.0×11 +3.1%
6Yonsei UniversitySouth Korea 49.120.1%4.3×8 +42.6%
7University of Chinese Academy of SciencesChina 47.815.6%3.4×12 +5.6%
8Sun Yat-sen UniversityChina 46.422.2%2.0×9 +44.1%
9Kyung Hee UniversitySouth Korea 42.818.9%9.4×8 -30.3%
10Peking UniversityChina 41.517.2%2.3×10 -1.1%

Universities only. The score blends citation 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 Silicon Nanostructures and Photoluminescence, country by country

Is Silicon Nanostructures and Photoluminescence research growing?

Output in 2022-2025 was 23% lower than in 2018-2021, peaking in 2011.

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 Silicon Nanostructures and Photoluminescence as a percentage of every work published that year, 0.0089% in 2024.

still counting0.050%0.10%Silicon Nanostructures and Photoluminescence0.0094% in 202519801990200020102020

Fractional works of Silicon Nanostructures and Photoluminescence 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%Silicon Nanostructures and Photoluminescence10.1% 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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