A5047062260- Advanced Photocatalysis Techniques
- Copper-based nanomaterials and applications
- Gas Sensing Nanomaterials and Sensors
- Organometallic Complex Synthesis and Catalysis
- Asymmetric Hydrogenation and Catalysis
- Water Treatment and Disinfection
- Carbon dioxide utilization in catalysis
- Iron oxide chemistry and applications
- Analytical chemistry methods development
- Catalysis for Biomass Conversion
- Metal complexes synthesis and properties
- Advanced oxidation water treatment
- Advanced battery technologies research
- Electrocatalysts for Energy Conversion
- Supercapacitor Materials and Fabrication
- TiO2 Photocatalysis and Solar Cells
- Environmental remediation with nanomaterials
- Environmental Chemistry and Analysis
- Dye analysis and toxicity
- biodegradable polymer synthesis and properties
- Graphene and Nanomaterials Applications
- Marine Toxins and Detection Methods
- Advanced Battery Materials and Technologies
- Wastewater Treatment and Reuse
- Pesticide Exposure and Toxicity
Universidade Federal dos Vales do Jequitinhonha e Mucuri
2015-2025
Institute of Engineering Science
2025
Shanghai Institute for Science of Science
2025
Cranfield University
2022
University of Carabobo
2003-2020
Teofilo Kisanji University
2018
Instituto Nacional de Toxicología y Ciencias Forenses
1991
Abstract The conversion of solar energy into hydrogen fuel by splitting water photoelectrochemical cells (PEC) is an appealing strategy to store and minimize the extensive use fossil fuels. key requirement for efficient producing a large band bending (photovoltage) at semiconductor improve separation photogenerated charge carriers. Therefore, attractive method consists in creating internal electrical fields inside PEC render more favorable splitting. Coupling ferroelectric materials...
Among the CoMoO<sub>4</sub>polymorphs, α-phase exhibits highest performance for oxygen evolution reaction.
Among several types of emerging contaminants, the endocrine disruptors 17β-estradiol (E2) and 17α-ethinylestradiol (EE2) are particularly notable. These compounds discharged into sewage systems subsequently water bodies, as conventional wastewater treatment processes unable to effectively eliminate such pollutants. Therefore, present study aimed evaluate possibility removing from using photocatalytic activity compound Ag3AsO4. Silver arsenate was synthesized characterized, quantification...
Using dual-photoelectrode photoelectrochemical (PEC) devices based on earth-abundant metal oxides for unbiased water splitting is an attractive means of producing green H2 fuel, but challenging, owing to low photovoltages generated by PEC cells. This problem can be solved coupling n-type BiVO4 with Bi4 V2 O11 create a virtual p/n junction due the formation hole-inversion layer at semiconductor interface. Thus, photoelectrodes high photovoltage outputs were synthesized. The exhibited features...
Monoclinic BiVO 4 is recognized as a promising photoanode for water oxidation, but its relatively wide bandgap energy ( E g ≈2.5 eV) and poor charge transport limit the light absorption η abs ) separation sep efficiencies, thus resulting in low photocurrents. To solve these drawbacks, here × product has been decoupled by combining W‐doped V 2 O 5 rods ≈2.1 simultaneously increasing harvesting photoanodes under back‐side illumination. In this strategy, maximize hole throughout W‐BiVO film,...
Ni(OH)2 loaded on Ni-doped δ-FeOOH photocatalysts were prepared by a simple and low-cost one-step precipitation method. The effect of nanoparticles Ni2+ doping the photocatalytic hydrogen production rates in aqueous suspension was investigated. results showed that H2-production activity significantly enhanced with ions loading its surface. maximum obtained for sample 20 wt% Ni, which provided 5746 μmol h−1 g−1. This high is due to combined effects increased conductivity charge transfer...
The conventional chemical methods to produce graphene using strong oxidizing agents toxic gases during synthesis; therefore, these do not meet the principles of green chemistry. In this work, an alternative top-down method for synthesis a few layers sheets has been produced by Fenton reaction- (a mixture Fe 2+ /H 2 O ) assisted exfoliation process in water graphite flakes as starting material. Based on X-ray diffraction data and Fourier transform infrared (FTIR), Raman spectroscopy,...
Rechargeable zinc-air batteries have been identified as promising technologies for energy storage. However, developing cost-effective electrocatalysts that can efficiently facilitate the oxygen evolution reaction (OER) and reduction (ORR) is crucial their advancement. This work investigates synthesized composed of graphene-Cu2O deposited on carbon cloth by doctor blading casting method bifunctional electrodes in a rechargeable Zn-air battery. The battery integrated with air-cathode...