Evidence map›Paper›PMID 40060810›Full record

ArticleACS omega2025

Synthesis of Platinum Nanoparticles by Pulsed Laser Ablation with an Excimer KrF Laser in Deep Eutectic Solvents.

Oana Andreea Lazar, Anastas Savov Nikolov, Liana Anicai, Geanina Valentina Mihai, Angelo Alberto Messina, Marius Enachescu

Abstract read
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Article in ACS omega, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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0citing papers in PubMed
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1 · What the graph read from it

What it found

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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

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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

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No citing paper in PubMed yet.

4 · The record

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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

6 authors.

Oana Andreea LazarCenter for Surface Science and Nanotechnology, National University of Science and Technology Politehnica Bucharest, 060042 Bucharest, Romania.
Anastas Savov NikolovInstitute of Electronics, Bulgarian Academy of Sciences, 72 Tzarigradsko Shousse Blvd., 1784 Sofia, Bulgaria.ORCID https://orcid.org/0000-0003-3302-3367
Liana AnicaiCenter for Surface Science and Nanotechnology, National University of Science and Technology Politehnica Bucharest, 060042 Bucharest, Romania.ORCID https://orcid.org/0000-0002-1145-2948
Geanina Valentina MihaiCenter for Surface Science and Nanotechnology, National University of Science and Technology Politehnica Bucharest, 060042 Bucharest, Romania.ORCID https://orcid.org/0000-0002-2402-7721
Angelo Alberto MessinaSTMicroelectronics, Stradale Primosole 50, 95121 Catania, Italy.
Marius EnachescuCenter for Surface Science and Nanotechnology, National University of Science and Technology Politehnica Bucharest, 060042 Bucharest, Romania.ORCID https://orcid.org/0000-0002-8451-8231

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

This work reports for the first time the fabrication of metallic nanoparticles from platinum material (Pt-NPs) implying pulsed laser ablation in choline chloride-ethylene glycol deep eutectic solvent (DES) as well as in their mixtures with ethanol in a 1:3 ratio as liquid media. KrF excimer laser (λ = 248 nm) has been used as an irradiation source. The Pt target is placed in a Teflon pad on the bottom of a beaker and immersed in the corresponding liquid. The created Pt-NPs by pulsed laser ablation are dispersed in the surrounding medium, forming a colloid with it, and are characterized by the detailed methods described. A synergistic effect is achieved by combining the nontoxicity of the liquid and the biocompatibility of the Pt-NPs for the fabrication of very small, nonaggregated NPs, applicable, also, in the medical field. The peculiarities of the liquid do not allow the production parameters to be varied in wide ranges. The investigation of the Pt-NPs' optical characteristics by UV/vis spectroscopy showed the existence of three bands. The origins of two of the bands are presumably due to interband transition and plasmonic absorption, respectively. The origin of the third band needs further in-depth investigation. The morphological properties were studied through high-resolution scanning transmission electron microscopy (HR-STEM). The minimum value of the mean size of 2.2 nm is achieved at 7 Hz RR and 40 min ablation time when the pure mixture of choline chloride-ethylene glycol, denoted as ILEG, is used. In support, the obtained Pt-NPs were analyzed by direct analysis in real time mass spectrometry (DART-MS) to demonstrate their existence in the colloidal solution. The face-centered cubic (FCC) phase for the Pt-NPs with the predominant orientation of the (220) crystalline plane was determined by X-ray diffraction (XRD). FTIR and Raman spectroscopy measurements did not show the existence of additional bonds between pure ILEG and Pt-NPs. One application of the synthesized NPs was illustrated by the increased sensitivity of detecting methylene blue through the surface-enhanced Raman spectroscopy (SERS) method.

Identifiers

PMID40060810
PMCPMC11886648

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