Evidence map›Paper›PMID 38202460›Full record

ArticleNanomaterials (Basel, Switzerland)2023

Nanostructural Characterization of Luminescent Polyvinyl Alcohol/Graphene Quantum Dots Nanocomposite Films.

Dhanumalayan Elumalai, Beatriz Rodríguez, Ganna Kovtun, Pedro Hidalgo, Bianchi Méndez, Shaik Kaleemulla, Girish M Joshi, M Teresa Cuberes

Abstract read
PubMed Full text at PMC Publisher
In one paragraph

Article in Nanomaterials (Basel, Switzerland), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing 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

1 citing paper in PubMed.

  1. Article
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

8 authors.

Dhanumalayan ElumalaiDepartment of Applied Mechanics and Project Engineering, Mining and Industrial Engineering School of Almaden, University of Castilla-La Mancha, 13400 Almadén, Spain.
Beatriz RodríguezDepartment of Physics of Materials, University Complutense of Madrid, 28040 Madrid, Spain.ORCID 0000-0003-1744-1972
Ganna KovtunDepartment of Applied Mechanics and Project Engineering, Mining and Industrial Engineering School of Almaden, University of Castilla-La Mancha, 13400 Almadén, Spain.
Pedro HidalgoDepartment of Physics of Materials, University Complutense of Madrid, 28040 Madrid, Spain.ORCID 0000-0002-3450-3349
Bianchi MéndezDepartment of Physics of Materials, University Complutense of Madrid, 28040 Madrid, Spain.ORCID 0000-0002-6289-7437
Shaik KaleemullaThin Films Laboratory, Center for Functional Materials, Vellore Institute of Technology, Vellore 632014, Tamilnadu, India.ORCID 0000-0002-8509-2527
Girish M JoshiDepartment of Applied Mechanics and Project Engineering, Mining and Industrial Engineering School of Almaden, University of Castilla-La Mancha, 13400 Almadén, Spain.
M Teresa CuberesDepartment of Applied Mechanics and Project Engineering, Mining and Industrial Engineering School of Almaden, University of Castilla-La Mancha, 13400 Almadén, Spain.ORCID 0000-0002-9161-589X

Funding

Comunidad de Madrid MAD2D-CM-UCMMinisterio de Ciencia e Innovación PID2021-122562NB-I00Plan Propio UCLM cofunded 85% by FEDER 2022-GRIN-34266
6 · The paper itself

Abstract

This study focuses on the fabrication of polymer nanocomposite films using polyvinyl alcohol (PVA)/graphene quantum dots (GQDs). We investigate the relationship between the structural, thermal, and nanoscale morphological properties of these films and their photoluminescent response. Although according to X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FT-IR), and differential thermal analysis (DTA), the incorporation of GQDs does not significantly affect the percentage crystallinity of the PVA matrix, for a range of added GQD concentrations, atomic force microscopy (AFM) showed the formation of islands with apparent crystalline morphology on the surface of the PVA/GQD films. This observation suggests that GQDs presumably act as nucleating agents for island growth. The incorporation of GQDs also led to the formation of characteristic surface pores with increased stiffness and frictional contrast, as indicated by ultrasonic force microscopy (UFM) and frictional force microscopy (FFM) data. The photoluminescence (PL) spectra of the films were found to depend both on the amount of GQDs incorporated and on the film morphology. For GQD loads >1.2%wt, a GQD-related band was observed at ~1650 cm

Indexed as

atomic force microscopydifferential thermal analysisfriction force microscopygraphene quantum dotsinfrared spectroscopyphotoluminescencepolyvinyl alcoholthermogravimetryultrasonic force microscopyX-ray diffraction

Identifiers

PMID38202460
PMCPMC10780860

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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.