Evidence map›Paper›PMID 42873058›Full record

ReviewNanomaterials (Basel, Switzerland)2026

Plasma-Assisted and Green Routes to Silicon and Carbon Quantum Dots: A Critical Comparison of Synthesis-Structure-Property Relationships.

Sagi Orazbayev, Almasbek Utegenov, Assan Abdirakhmanov, Sultan Ussenkhan, Yerassyl Yerlanuly, Didar Batryshev, Moldir Nurusheva, Maratbek Gabdullin, Laifa Boufendi, Holger Vach and 1 more

Abstract readReview
In one paragraph

Review in Nanomaterials (Basel, Switzerland), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

11 authors.

Sagi OrazbayevInstitute of Applied Sciences and Information Technologies, 280 Bayzakov Str., Almaty 050040, Kazakhstan.ORCID 0000-0002-7286-9990
Almasbek UtegenovInstitute of Applied Sciences and Information Technologies, 280 Bayzakov Str., Almaty 050040, Kazakhstan.ORCID 0000-0001-6768-0918
Assan AbdirakhmanovPlasma-Surface Interaction Chemistry (ChIPS) Laboratory, University of Mons, 20 Place du Parc, 7000 Mons, Belgium.ORCID 0000-0001-6652-1923
Sultan UssenkhanInstitute of Applied Sciences and Information Technologies, 280 Bayzakov Str., Almaty 050040, Kazakhstan.
Yerassyl YerlanulyInstitute of Applied Sciences and Information Technologies, 280 Bayzakov Str., Almaty 050040, Kazakhstan.ORCID 0000-0001-6757-1041
Didar BatryshevInstitute of Applied Sciences and Information Technologies, 280 Bayzakov Str., Almaty 050040, Kazakhstan.
Moldir NurushevaNNLOT, Al-Farabi Kazakh National University, 71 Al-Farabi Ave., Almaty 050040, Kazakhstan.
Maratbek GabdullinKazakh-British Technical University, 59 Tole bi Str., Almaty 050000, Kazakhstan.
Laifa BoufendiInstitute of Applied Sciences and Information Technologies, 280 Bayzakov Str., Almaty 050040, Kazakhstan.
Holger VachLPICM, CNRS, École Polytechnique, Institut Polytechnique de Paris, 91128 Palaiseau, France.ORCID 0000-0002-9359-2409
Tlekkabul RamazanovNNLOT, Al-Farabi Kazakh National University, 71 Al-Farabi Ave., Almaty 050040, Kazakhstan.

Funding

Committee of Science of the Ministry of Science and Higher Education of the Republic of Kazakhstan AP23485948
6 · The paper itself

Abstract

Silicon quantum dots (SiQDs) and carbon quantum dots (CQDs) are often discussed as related heavy-metal-free luminescent nanomaterials, although the mechanisms governing their formation and emission differ fundamentally. Rather than combining two parallel bodies of literature, this review uses SiQDs and CQDs as contrasting model systems to determine which synthesis-structure-property relationships are transferable and which remain material-specific. We critically compare nonthermal gas-phase plasma, plasma-liquid, and solution-phase synthesis, including green routes, with respect to precursor activation, nucleation and growth, crystallinity, surface chemistry, purification, photoluminescence, reproducibility, and scalability. Low-pressure continuous-flow radio-frequency capacitively coupled plasma (RF-CCP) is treated as the reference plasma architecture for free-standing Si nanocrystals, while atmospheric-pressure and plasma-liquid approaches are discussed according to their distinct product forms, formation mechanisms, and technological maturity. For crystalline SiQDs, quantum confinement provides a physically defined framework for interpreting size-dependent optical behavior, although oxidation, ligands, and interfacial defects remain critical. In CQDs, emission may arise from carbon-core states, surface or defect states, and molecular fluorophores, making structural assignment and fraction-resolved characterization essential. Across both material families, reported record photoluminescence efficiencies are less informative for technological translation than reproducibility, purified product yield, long-term stability, and application-specific performance. Hybrid plasma-liquid processing, operando diagnostics, standardized optical characterization, and data-guided process optimization are identified as promising directions toward scalable and reproducible quantum-dot manufacturing.

Indexed as

bioimagingcarbon quantum dotsgreen synthesisheteroatom dopingphotoluminescenceplasma synthesisquantum confinementsilicon quantum dotssurface passivation

Identifiers

PMID42873058
PMCPMC13666692

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.