A5034158086- Luminescence and Fluorescent Materials
- Conducting polymers and applications
- Organic Light-Emitting Diodes Research
- Organic Electronics and Photovoltaics
- Lanthanide and Transition Metal Complexes
- Silicone and Siloxane Chemistry
- Advanced Sensor and Energy Harvesting Materials
- Advanced Nanomaterials in Catalysis
- Molecular Sensors and Ion Detection
- Analytical Chemistry and Sensors
- Synthesis and properties of polymers
- Carbon and Quantum Dots Applications
- Catalysis and Hydrodesulfurization Studies
- Graphene and Nanomaterials Applications
- Advanced Photocatalysis Techniques
- TiO2 Photocatalysis and Solar Cells
- N-Heterocyclic Carbenes in Organic and Inorganic Chemistry
- Belt Conveyor Systems Engineering
- Pharmaceutical and Antibiotic Environmental Impacts
- Aluminum Alloys Composites Properties
- Luminescence Properties of Advanced Materials
- Catalytic Cross-Coupling Reactions
- Transport Systems and Technology
- Electrochemical sensors and biosensors
- Biosensors and Analytical Detection
Universidade Federal de São Paulo
2016-2023
The University of Texas at San Antonio
2021
Universidade Estadual de Campinas (UNICAMP)
2009-2017
The thermochromism of a polyfluorene derivative complexed with europium ion was interpreted using the photophysical properties noncomplexed polymer and low molecular mass model compound having same structure site in polymer. To naked eye, characterized by strong red at temperatures (170–260 K, due to Eu3+ ion) blue color higher ones (280–330 fluorene). Absorption emission spectra, time-resolved measurements, theoretical simulations showed that chain does not affect properties, but opposite...
Abstract A fluorescent silicone network was prepared by a hydrosilylation reaction using poly(dimethylsiloxane‐ co ‐methylhydrogensiloxane) terminated dimethylhydrogensilyloxy groups, ‐methylvinylsiloxane) dimethylvinylsilyloxy groups and 9‐vinylanthracene, as the group. These silicone‐based materials were strongly fluorescent. Steady state emission convenient technique to prove that occurred, based on blue‐shift of from anthracenyl moieties compared with 9‐vinylanthracene. Thermal...
The photophysical properties of a fluorescent silicone prepared by hydrosilylation reaction from poly(dimethylsiloxane-co-methylhydrogensiloxane) terminated dimethylhydrogensilyloxy groups, poly(dimethylsiloxane-co-methylvinylsiloxane) dimethylvinylsilyloxy groups and 9-vinylcarbazole, as the luminescent group, have been studied under steady-state fluorescence time-resolved conditions. At low temperature both phosphorescence spectra isolated species are observed. Phosphorescence is quenched...
We report the synthesis, characterization, and organic light-emitting diode (OLED) application of first example a platinum poly-yne (NPtAP) featuring N-heterocyclic carbene (NHC) ligands. NPtAP was synthesized via Cu(I)-catalyzed AA/BB type polymerization reaction with Mn = 8400 g mol–1 Đ 1.6. The bulky strong σ-donating NHC ligands bearing chiral 2-ethylhexyl substituents help to limit interchain interaction destabilize nonemissive metal-centered d–d state, resulting in enhancement...
The luminescence and thermochromic properties of a europium-containing metallopolymer were investigated in experimental theoretical aspects using the same polymer backbone complexed with two different contents europium ions (25 65% molar). presented an emission insensitive to temperature variation which was attributed balance between factors: first is "stiffening effect" on brought about by ion complexation, second interconnection alkyl chains because rotation bipyridine sites required for...