A5062968650- Carbon and Quantum Dots Applications
- Graphene research and applications
- Electrochemical sensors and biosensors
- Advanced biosensing and bioanalysis techniques
- Nanocluster Synthesis and Applications
- Quantum Dots Synthesis And Properties
- Advanced Photocatalysis Techniques
- Molecular Sensors and Ion Detection
- Carbon Nanotubes in Composites
- Solar-Powered Water Purification Methods
- Graphene and Nanomaterials Applications
- Analytical chemistry methods development
- Nanopore and Nanochannel Transport Studies
Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas
2019-2024
Consejo Nacional de Investigaciones Científicas y Técnicas
2019-2024
Universidad Nacional de La Plata
2021-2024
The layer stacking morphology in nanocarbons is paramount for achieving new properties and outperforming applications. Here, we demonstrate that graphene quantum dots (GQDs) retain crystallinity a structure from CVD grown on Ni foam. Our results reveal GQD subdomains comprise few-layer the AB···AB ABC···ABC configuration. HR-TEM images along with multiple-approach characterization (XRD, XPS, UV–vis, AFM, ATR-IR) exhibit ∼3.0 to ∼8.0 nm crystalline GQDs 2–6 layers thick indicating disk-shape...
Herein, we report the synthesis of graphene quantum dots (GQDs) functionalized with 1,5-diphenylcarbazone for selective quantification Fe in wine, via front-face fluorescence.Crystalline GQDs are obtained a clean and relatively size-controlled based on electrochemical exfoliation from foam.The product was later to solely detect 3+ amongst various other ions present within sample.The detection is quenching fluorescence emission nanomaterial presence analyte, which follows linear relationship...
A computational laboratory experiment is carried out to investigate the size-, geometry-, and chemistry-dependent properties of small molecules known as polycyclic aromatic hydrocarbons (PAHs) at Facultad de Ingeniería (Universidad Nacional La Plata, UNLP), Buenos Aires, Argentina. This research was adapted for upper-division undergraduate initial graduate education levels. Due adverse circumstances pandemic, students were challenged perform theoretical calculations on a regular computer...
A combination of chemically functionalized-graphene quantum dots with a machine learning algorithm permits selectivity and accurate detection Fe 3+ Hg 2+ ions in real water samples.
The way graphene (GDs) and carbon dots (CDs) are synthesized combined with TiO2 determine their photoelectrochemical efficiency upon UV visible LED lights. GDs CDs obtained by relatively unexplored top-down methods conventional bottom-up methods, respectively. Top-down consist in the seedless growth of ZnO nanoparticles on surface electrochemical cleavage grown Ni foam. These later different approaches such as solution mixing, adsorption via APTES linkers, drop-casting an already formed...
Achieving versatile routes to generate crystalline carbon-based nanostructures has become a fervent pursuit in photocatalysis-related fields. We demonstrate that the direct electrooxidation of ethanol, performed on Ni foam, yields ultra-small and highly graphene-like structures named carbon quantum dots (CQDs). perform simulations various sp2 sp3 domains order understand optical properties CQDs by accounting their contribution as absorbance/luminescent centers overall response. Experiments...
Herein, we report the synthesis of graphene quantum dots (GQDs) functionalized with 1,5-diphenylcarbazone for selective quantification Fe, within wine beverages, via front-face fluorescence. GQDs are obtained a clean and relatively size-controlled based on electrochemical exfoliation from foam. The product was later to solely detect Fe various other ions present sample. detection mechanism relays quenching emission material by Fe3+, which follows Stern-Volmer model, that proposes linear...