Paulo C. de Sousa Filho
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View article: Occurrence of micropollutants in surface water and removal by catalytic wet peroxide oxidation enhanced filtration using polymeric membranes loaded with carbon nanotubes
Occurrence of micropollutants in surface water and removal by catalytic wet peroxide oxidation enhanced filtration using polymeric membranes loaded with carbon nanotubes Open
Monitoring campaigns of contaminants of emerging concern (CECs) in surface waters is of utmost importance in evaluating the anthropogenic impact on riparian ecosystems. Beyond identifying pollutants and threats, treatment solutions are als…
View article: Improper Background Treatment Underestimates Thermometric Performance of Rare Earth Vanadate and Phosphovanadate Nanocrystals
Improper Background Treatment Underestimates Thermometric Performance of Rare Earth Vanadate and Phosphovanadate Nanocrystals Open
Luminescence thermometry is the state-of-the-art technique for remote nanoscale temperature sensing, offering numerous promising cutting-edge applications. Advancing nanothermometry further requires rational design of phosphors and well-de…
View article: Eu3+-doped manganese tungstate for multiparametric and colorimetric luminescence thermometry
Eu3+-doped manganese tungstate for multiparametric and colorimetric luminescence thermometry Open
Improvement of luminescent thermometers requires not only the search for high-sensitivity thermometric outputs, but also availability of multiple thermometric parameters affording a combined and reliable response. We hereby detail for the …
View article: Comment on “Room-Temperature and Ultrafast Synthesis of Highly Luminescent and Extremely Small Eu<sup>3+</sup>-Doped YVO<sub>4</sub> Nanocrystals”
Comment on “Room-Temperature and Ultrafast Synthesis of Highly Luminescent and Extremely Small Eu<sup>3+</sup>-Doped YVO<sub>4</sub> Nanocrystals” Open
International audience
View article: Simple Postsynthesis Thermal Treatment toward High Luminescence Performance of Rare Earth Vanadate Nanoparticles
Simple Postsynthesis Thermal Treatment toward High Luminescence Performance of Rare Earth Vanadate Nanoparticles Open
International audience
View article: Influence of Temperature on the Luminescence Color of Manganese Tungstate Doped with Eu3+ Ions: A Colorimetric Study
Influence of Temperature on the Luminescence Color of Manganese Tungstate Doped with Eu3+ Ions: A Colorimetric Study Open
View article: Spectroscopic characterization of rare events in colloidal particle stochastic thermodynamics
Spectroscopic characterization of rare events in colloidal particle stochastic thermodynamics Open
Given the remarkable developments in synthetic control over chemical and physical properties of colloidal particles, it is interesting to see how stochastic thermodynamics studies may be performed with new, surrogate, or hybrid model syste…
View article: Spectroscopic characterization of rare events in colloidal particle stochastic thermodynamics
Spectroscopic characterization of rare events in colloidal particle stochastic thermodynamics Open
Given the remarkable developments in synthetic control over colloidal particle chemical and physical properties, it is interesting to see how stochastic thermodynamics studies may be performed with new, surrogate, or hybrid model systems. …
View article: A Highly Stable Yttrium Organic Framework as a Host for Optical Thermometry and D<sub>2</sub>O Detection
A Highly Stable Yttrium Organic Framework as a Host for Optical Thermometry and D<sub>2</sub>O Detection Open
The yttrium organic framework (Y 0.89 Tb 0.10 Eu 0.01 ) 6 (BDC) 7 (OH) 4 (H 2 O) 4 (BDC=benzene‐1,4‐dicarboxylate) is hydrothermally stable up to at least 513 K and thermally stable in air in excess of 673 K. The relative intensities of lu…
View article: On the Fly” Characterization of YbIII:ErIII Co-Doped Upconversion Nanoparticle Nonlinear Optical Response from Single-Particle Trajectories
On the Fly” Characterization of YbIII:ErIII Co-Doped Upconversion Nanoparticle Nonlinear Optical Response from Single-Particle Trajectories Open
Spectroscopic characterization of individual nanoparticles is essential for understanding their structure-property relationship and for applications. Upconversion nanoparticles (UCNPs) in condensed phases can undergo both nonlinear optical…
View article: On the Fly” Characterization of YbIII:ErIII Co-Doped Upconversion Nanoparticle Nonlinear Optical Response from Single-Particle Trajectories
On the Fly” Characterization of YbIII:ErIII Co-Doped Upconversion Nanoparticle Nonlinear Optical Response from Single-Particle Trajectories Open
Spectroscopic characterization of individual nanoparticles is essential for understanding their structure-property relationship and for applications. Upconversion nanoparticles (UCNPs) in condensed phases can undergo both nonlinear optica…
View article: RARE EARTHS: PERIODIC TABLE, DISCOVERY, EXPLORATION IN BRAZIL AND APPLICATIONS
RARE EARTHS: PERIODIC TABLE, DISCOVERY, EXPLORATION IN BRAZIL AND APPLICATIONS Open
In the ~150 years comprised between the discovery of yttrium (1794) and promethium (1947), the rare earth metals were an incomplete chapter and a stone in the shoe of the periodic classification of the chemical elements. This group of 17 e…
View article: Colloidal rare earth phosphovanadates for luminescent thermometry
Colloidal rare earth phosphovanadates for luminescent thermometry Open
The partial dissolution of orthophosphate ions into yttrium orthovanadate lattices led to an enhancement of the luminescence of orthovanadate groups. The combination of the luminescence of vanadate ions with emissions of lanthanide ions ca…
View article: Colloidal synthesis of NaYF4 nano- and microparticles by sacrificial template method
Colloidal synthesis of NaYF4 nano- and microparticles by sacrificial template method Open
Lanthanide-doped sodium yttrium tetrafluoride nanoparticles show intense upconversion emissions which raise great attention in a variety of luminescence applications. This host lattice shows specially attractive properties in its hexagonal…
View article: CCDC 1895732: Experimental Crystal Structure Determination
CCDC 1895732: Experimental Crystal Structure Determination Open
View article: TERRAS RARAS: TABELA PERIÓDICA, DESCOBRIMENTO, EXPLORAÇÃO NO BRASIL E APLICAÇÕES
TERRAS RARAS: TABELA PERIÓDICA, DESCOBRIMENTO, EXPLORAÇÃO NO BRASIL E APLICAÇÕES Open
In the ~150 years comprised between the discovery of yttrium (1794) and promethium (1947), the rare earth metals were an incomplete chapter and a stone in the shoe of the periodic classification of the chemical elements. This group of 17 e…
View article: New luminescent lanthanide-based coordination compounds: Synthesis, studies of optical properties and application as marker for gunshot residues
New luminescent lanthanide-based coordination compounds: Synthesis, studies of optical properties and application as marker for gunshot residues Open
View article: Effect of lanthanum loading on nanosized CeO2-ZnO solid catalysts supported on cordierite for diesel soot oxidation
Effect of lanthanum loading on nanosized CeO2-ZnO solid catalysts supported on cordierite for diesel soot oxidation Open
View article: Magnetic diatomite(Kieselguhr)/Fe 2 O 3 /TiO 2 composite as an efficient photo-Fenton system for dye degradation
Magnetic diatomite(Kieselguhr)/Fe 2 O 3 /TiO 2 composite as an efficient photo-Fenton system for dye degradation Open
View article: Lanthanoid-Doped Phosphate/Vanadate Mixed Hollow Particles as Ratiometric Luminescent Sensors
Lanthanoid-Doped Phosphate/Vanadate Mixed Hollow Particles as Ratiometric Luminescent Sensors Open
Rare earth (RE) phosphates and vanadates are structurally similar compositions that display distinct but complementary luminescent properties. The properties of these phosphors can be combined in REPO4-REVO4 heterostr…
View article: Luminescent properties of Eu(ttfa)(3) complexes incorporated into MSU-4 mesoporous silica matrices
Luminescent properties of Eu(ttfa)(3) complexes incorporated into MSU-4 mesoporous silica matrices Open
View article: Manganese porphyrin functionalized on Fe 3 O 4 @ n SiO 2 @MCM-41 magnetic composite: Structural characterization and catalytic activity as cytochrome P450 model
Manganese porphyrin functionalized on Fe 3 O 4 @ n SiO 2 @MCM-41 magnetic composite: Structural characterization and catalytic activity as cytochrome P450 model Open
View article: The Light and the Rare Earths
The Light and the Rare Earths Open
The light follows the development of humankind since the prehistoric times, when men tried to create light to chase away the darkness.The need for artificial light, for simple home or street lighting or even for displays, has led to incess…
View article: From Lighting to Photoprotection: Fundamentals and Applications of Rare Earth Materials
From Lighting to Photoprotection: Fundamentals and Applications of Rare Earth Materials Open
Light and rare earths (RE) have a long lived relationship that dates from the discoveries of these elements in the nineteenth century. Since then, the increasing comprehension of their spectroscopic properties conducted to a wide and allur…
View article: LIQUID PHASE SYNTHESIS METHODOLOGIES FOR THE OBTAINMENT OF RARE EARTH-BASED INORGANIC NANOMATERIALS
LIQUID PHASE SYNTHESIS METHODOLOGIES FOR THE OBTAINMENT OF RARE EARTH-BASED INORGANIC NANOMATERIALS Open
Liquid phase synthesis techniques are commonly preferred for the preparation of nanosized inorganic solids due to several advantages over other methodologies, such as low energy consumption, safety, possibility of reactant recovery and, ma…
View article: Kinetic Parameters of Soot Oxidation Catalyzed by Nanosized ZnO-CeO<sub>2</sub>Solids
Kinetic Parameters of Soot Oxidation Catalyzed by Nanosized ZnO-CeO<sub>2</sub>Solids Open
Catalytic combustion of soot was performed over ZnO:CeO 2 catalysts obtained via a non-alkoxide sol-gel route.Different kinetics parameters were calculated through thermal analyses, thus, enabling the correlation between the experimental d…