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0D and 2D nanomaterials based on Graphene quantum dots and MXenes: synthesis, characterization and application in sensors and supercapacitors
(Universidade Federal de São Carlos, 2023-10-20)
Graphene Quantum Dots (GQDs) are small fragments of one or a few layers of graphene with lateral dimensions inferior to 100 nm. GQDs present some characteristics similar to those of graphene, such as a high surface area/volume ...
Desenvolvimento de eletrocatalisadores de sulfeto de molibdênio para produção de hidrogênio via eletrólise da água
(Universidade Federal de São Carlos, 2023-03-31)
The amorphous molybdenum sulfide, MoSx, has shown to be an excellent electrocatalyst for the hydrogen evolution reaction (HER) and can be synthesized by electrodeposition. In this study, the electrodeposition of MoSx on ...
Avaliação da atividade fotoeletrocatalítica dos filmes de CuO/NiOx, CuO/Cu2O/CuS e WO3/MoO3-x frente a fotoeletrólise da água para a produção de H2 verde
(Universidade Federal de São Carlos, 2023-02-24)
The use of solar energy is essential for the future of humanity. In this context, the conversion of this energy into chemical energy, using low-cost technologies, such as photoelectrochemical cells (PECs), has gained ...
Development of Hematite-based photoanodes
(Universidade Federal de São Carlos, 2023-02-17)
Hydrogen production via Water Splitting has been considered one of the best solutions for energy shortages and environmental pollution. The use of hematite (α-Fe2O3) as a photoanode in photoelectrochemical hydrogen production ...
Oxidação fotoeletroquímica de metanol, etileno glicol e glicerol em CdS, BiVO4 e BiVO4:Zr-Mo:Pt
(Universidade Federal de São Carlos, 2023-12-15)
The photoelectrochemical production of hydrogen (H2) from the water splitting reaction in photoelectrochemical cells is a promising alternative for the production of clean and sustainable energy. However, this process still ...
Estudo computacional de nanoestruturas de ouro funcionalizadas com moléculas orgânicas quirais
(Universidade Federal de São Carlos, 2023-12-14)
In this present work was carried out the computational study of the functionalization of gold nanoparticles in spherical shape with L-amino acids using molecular dynamics simulations and geometry optimizations at DFTB level ...
Desenvolvimento de membranas poliméricas enantiosseletivas utilizando partículas tipo-Pirkle para resolução de compostos quirais
(Universidade Federal de São Carlos, 2023-02-15)
The formation of chiral compounds during the synthesis of new drugs and other substances, which are administered clinically in the form of racemic mixture, is amply described in the literature. The therapeutic activity of ...
Gels and sponges nanocomposites based in chitosan, poly (n-vinyl caprolactam) and sio2 applied as drug delivery system
(Universidade Federal de São Carlos, 2023-06-14)
Chitosan (Ch) is a suitable biomaterial for biological applications like drug delivery systems (DDS) due to biocompatibility, cationic responsiveness, and adjustable morphology forming nanoparticles, films, sponges, etc. ...