Themed collection Celebrating materials science in South America
![](https://www.rsc-cdn.org/pubs-core/2022.0.147/content/NewImages/Ajax-GA-Loader.gif)
![Open Access](https://www.rsc-cdn.org/pubs-core/2022.0.147/content/NewImages/open-access-icon-orange.png)
Decoding eumelanin's spin label signature: a comprehensive EPR analysis
Through electron paramagnetic resonance spectroscopy, one secret of eumelanin was unlocked revealing its intricate paramagnetic signature.
Mater. Adv., 2024,5, 1395-1419
https://doi.org/10.1039/D3MA01029E
![Open Access](https://www.rsc-cdn.org/pubs-core/2022.0.147/content/NewImages/open-access-icon-orange.png)
ZnO-based nanomaterials approach for photocatalytic and sensing applications: recent progress and trends
Nowadays, there is a rising urge to develop and implement cheaper, abundant, and environmentally friendly semiconducting materials into practical devices.
Mater. Adv., 2023,4, 3685-3707
https://doi.org/10.1039/D3MA00227F
![Open Access](https://www.rsc-cdn.org/pubs-core/2022.0.147/content/NewImages/open-access-icon-orange.png)
Adsorption of immunomodulatory proteins over silica nanoparticles and the in vitro effect
Silica NPs (SiNPs) used as a platform to deliver molecules have huge potential for biomedical applications.
Mater. Adv., 2024,5, 777-787
https://doi.org/10.1039/D3MA00776F
![Open Access](https://www.rsc-cdn.org/pubs-core/2022.0.147/content/NewImages/open-access-icon-orange.png)
Melanin/PEDOT:PSS blend as organic mixed ionic electronic conductor (OMIEC) for sustainable electronics
A new and green blend based on PEDOT:PSS and synthetic melanin is demonstrated as an organic mixed ionic electronic conductor (OMIEC) with enhanced ionic–electronic coupling for organic electrochemical transistors and supercapacitors.
Mater. Adv., 2023,4, 4732-4743
https://doi.org/10.1039/D3MA00573A
![Open Access](https://www.rsc-cdn.org/pubs-core/2022.0.147/content/NewImages/open-access-icon-orange.png)
Evidence of progressive Fe2+ to Fe3+oxidation in Fe2+-doped ZnO nanoparticles
When Fe-ions enter into the ZnO NPs, their oxidation state can be tuned and the excitonic peak enlarges, indicating that the ZnO lattice becomes more disordered. The AFM interactions found in paramagnetic NPs become stronger as Fe content increases.
Mater. Adv., 2023,4, 1389-1402
https://doi.org/10.1039/D3MA00053B
![Open Access](https://www.rsc-cdn.org/pubs-core/2022.0.147/content/NewImages/open-access-icon-orange.png)
High photothermal conversion efficiency for semiconducting polymer/fullerene nanoparticles and its correlation with photoluminescence quenching
The fullerene concentration in semiconducting polymer nanoparticles (SPNs) decreases the photoluminescent (PL) and increases the photothermal (PT) effects due to enhanced non-radioative recombination of charge transfer (CT) excitons.
Mater. Adv., 2023,4, 486-503
https://doi.org/10.1039/D2MA00912A
![Open Access](https://www.rsc-cdn.org/pubs-core/2022.0.147/content/NewImages/open-access-icon-orange.png)
Elucidating the role of disorder introduced by nitrogen in the superconducting properties of tungsten thin films
W thin films doped with nitrogen impurities display superconductivity with Tc close to 5 K when the microstructure shows coexistence of amorphous nitrides.
Mater. Adv., 2023,4, 150-156
https://doi.org/10.1039/D2MA00935H
![Open Access](https://www.rsc-cdn.org/pubs-core/2022.0.147/content/NewImages/open-access-icon-orange.png)
Effect of conductivity, viscosity, and density of water-in-salt electrolytes on the electrochemical behavior of supercapacitors: molecular dynamics simulations and in situ characterization studies
Molecular configurations of the 1.0 mol dm−3 and 8.0 mol dm−3 NaClO4 aqueous electrolytes, and shear viscosity and ionic conductivity as a function of the molar and molal concentrations of NaClO4 aqueous solutions.
Mater. Adv., 2022,3, 611-623
https://doi.org/10.1039/D1MA00890K
![Open Access](https://www.rsc-cdn.org/pubs-core/2022.0.147/content/NewImages/open-access-icon-orange.png)
Robust, flexible, freestanding and high surface area activated carbon and multi-walled carbon nanotubes composite material with outstanding electrode properties for aqueous-based supercapacitors
This novel carbon–carbon composite electrode has superlative electrochemical properties with flexibility, mechanical robustness, and weldability.
Mater. Adv., 2021,2, 4264-4276
https://doi.org/10.1039/D0MA00783H
![Open Access](https://www.rsc-cdn.org/pubs-core/2022.0.147/content/NewImages/open-access-icon-orange.png)
Understanding the effect of the high hydrophobicity of the laser-prepared Ti/SnO2–Sb–La2O3 anode on its electrocatalytic properties
Critical correlation between the high hydrophobicity of the Ti/SnO2–Sb–La2O3 anode, prepared through innovative and fast CO2 laser heating, and its improved electrocatalytic performance.
Mater. Adv., 2021,2, 4016-4028
https://doi.org/10.1039/D1MA00004G
![Open Access](https://www.rsc-cdn.org/pubs-core/2022.0.147/content/NewImages/open-access-icon-orange.png)
Incorporation of porous protective layers as a strategy to improve mechanical stability of Tamm plasmon based detectors
A strategy to protect Tamm plasmon optical detectors from mechanical stress and handling by adding a sol–gel porous oxide overlayer is demonstrated. The sensing properties of the protected devices are also shown.
Mater. Adv., 2021,2, 2719-2729
https://doi.org/10.1039/D1MA00079A
![Open Access](https://www.rsc-cdn.org/pubs-core/2022.0.147/content/NewImages/open-access-icon-orange.png)
Tailoring the ORR selectivity for H2O2 electrogeneration by modification of Printex L6 carbon with 1,4-naphthoquinone: a theoretical, experimental and environmental application study
Printex L6 carbon exhibited an increase in H2O2 selectivity by modification with 1.0% (w/w) 1,4-naphthoquinone (NQE).
Mater. Adv., 2020,1, 1318-1329
https://doi.org/10.1039/D0MA00290A
About this collection
To showcase some of the great research in South America, this collection collates some of the most popular advances in materials science published in Materials Advances. Papers have been selected based partly on the number of citations, article downloads, and Altmetric scores.