A5065226144- Transition Metal Oxide Nanomaterials
- Graphene research and applications
- Gas Sensing Nanomaterials and Sensors
- Advancements in Battery Materials
- Forensic Anthropology and Bioarchaeology Studies
- Analytical Chemistry and Sensors
- Heavy Metal Exposure and Toxicity
- Connexins and lens biology
- Surfactants and Colloidal Systems
- Supercapacitor Materials and Fabrication
- Endodontics and Root Canal Treatments
- Protein Interaction Studies and Fluorescence Analysis
- Geological and Geochemical Analysis
- Plasmonic and Surface Plasmon Research
- Pickering emulsions and particle stabilization
- Bone Tissue Engineering Materials
- Crystallography and molecular interactions
- Iron oxide chemistry and applications
- Mercury impact and mitigation studies
- TiO2 Photocatalysis and Solar Cells
- Dental materials and restorations
- Graphene and Nanomaterials Applications
- Catalysis and Oxidation Reactions
- Paleontology and Stratigraphy of Fossils
- Advanced biosensing and bioanalysis techniques
Universidade de São Paulo
2010-2022
Instituto Butantan
2010-2018
Hospital Universitário da Universidade de São Paulo
2016
Titanium dioxide has been extensively used in photocatalysis and dye-sensitized solar cells, where control of the anatase-to-rutile phase transformation may allow realization more efficient devices exploiting synergic effects at anatase/rutile interfaces. Thus, a systematic study showing proof concept dye-induced morphological transition an based on visible laser (532 nm) nano/micro patterning mesoporous anatase (Degussa P25 TiO(2)) films is described for first time using confocal Raman...
Abstract Colloidal clay in water suspensions are known to exhibit a multitude of bulk phases depending on initial colloidal concentration and ionic strength, examples this include repulsive Wigner glasses at low strength attractive gels higher due screened electrostatic forces by the electrolyte. From confocal Raman microscopy combined with elasticity measurements, we infer that trapped quasi two-dimensional interfaces between oil also confined glass-like or gel-like states. The results can...
Vanadium pentoxide xerogel films deposited onto gold microelectrodes were micropatterned by thermally induced conversion into crystalline α-V <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> O xmlns:xlink="http://www.w3.org/1999/xlink">5</sub> , using optical lithography written at the focus of a confocal Raman microscope. The laser scribing process improved electric contact and promoted n-doping film with V <sup...
We have studied the effect of positive and negative back gate voltage on Schottky barrier few layer graphene transistors (devices) in presence Air, Nitrogen different ethanol vapor concentrations. The these devices is attributed to unintentional doping areas flake modulated by applying a voltage, increasing source-drain current.