Browsing by Keyword "photocatalysis"
-
A diagnosis approach for semiconductor properties evaluation from ab initio calculations: Ag-based materials investigation
Elsevier (2021-10-18)Ag-based semiconductors have been extensively employed as photocatalysts for several decades due to their excellent electronic properties, photochemical properties, and relatively low synthesis cost. In this work, the ... -
An experimental and theoretical investigation on the optical and photocatalytic properties of ZnS nanoparticles
Elsevier (2017-04)From the viewpoints of materials chemistry and physical chemistry, crystal structure directly determines the electronic structure and furthermore their optical and photocatalytic properties. Zinc sulfide (ZnS) nanoparticles ... -
Behavior of Bi2S3 under ultrasound irradiation for Rhodamine B dye degradation
Elsevier (2021-10-16)In this study, we have demonstrated that Bi2S3 semiconductor under ultrasound behaves as a piezoelectric material, facilitating the transfer of electrons and holes, thus enabling the formation of oxidizing agents. In the ... -
Connecting the surface structure, morphology and photocatalytic activity of Ag2O: An in depth and unified theoretical investigation
Elsevier (2020-04-15)The surface morphology of the materials is known to have significant influence on the overall photocatalytic performance. Therefore, identifying the corresponding electronic structures associated with the surface redox ... -
Cool and photocatalytic yellow ceramic pigments; from lead-tin to Cr doped scheelite pigments
Elsevier (2019-03)The historical lead based pigments (XVII-XVIII century), the modern Ni,Sb-rutile (1939) and Pr-zircon (1961) yellow pigments as well as the novel yellow pigments based on Cr-scheelite and Mo-yttrium cerate pigments were ... -
Design of new nanomaterials for their use in catalysis and photochemistry
Universitat Jaume I (2017-03-13)Durante el trabajo realizado en la presente tesis doctoral, se han diseñado y desarrollado nuevos nanomateriales para su uso en catálisis, fotocatálisis y fotoquímica. El capítulo 2, se ha centrado en la síntesis y ... -
Effect of polyvinyl alcohol on the shape, photoluminescence and photocatalytic properties of PbMoO4 microcrystals
Elsevier (2014)For this study, lead molybdate (PbMoO4) microcrystals were prepared by the co-precipitation method and processed using a conventional hydrothermal method at 100 °C for 10 min with polyvinyl alcohol (PVA) as the capping ... -
Effect of synthesis methods of Co-modified TiO2 in its photocatalytic and bactericidal activity
Springer (2023-10-13)It is well known that a given material's synthesis method can change its catalytic properties. In this work, we demonstrated that Co-modified TiO2 (TiCo) showed photocatalytic activity and bactericidal for water decontamination. ... -
Efficient Ni and Fe doping process in ZnO with enhanced photocatalytic activity: A theoretical and experimental investigation
Elsevier Ltd. (2022-08-01)Zn1-xNixO and Zn1-xFexO structures were synthesized by the microwave-assisted hydrothermal method. The best photocatalytic degradation of rhodamine B (RhB) and 4-nitrophenol (4-NP) were achieved by the Zn0.96Ni0.04O and ... -
Estudio de la capacidad fotocatalítica y refrigerante de una nueva paleta de pigmentos
Elsevier (2017)Se han preparado por el método cerámico composiciones optimizadas de una cuatricromía CMYK más un pigmento verde, basados en el dopado de cobalto en celsiana (Ba0,9Co0,1)Al2Si2O8 (cian), de cromo en armalcolita ... -
Experimental and Theoretical Correlation of Modulated Architectures of β-Ag2MoO4 Microcrystals: Effect of Different Synthesis Routes on the Morphology, Optical, Colorimetric, and Photocatalytic Properties
Springer (2022-11-27)In this paper, the effect of different synthesis methods, such as controlled precipitation (CP), sonochemical, hot solution ion injection with fast cooling, and conventional hydrothermal in obtaining beta-disilver molybdate ... -
High NIR Reflectance and Photocatalytic Ceramic Pigments Based on M-Doped Clinobisvanite BiVO4 (M = Ca, Cr) from Gels
MDPI (2023)Clinobisvanite (monoclinic scheelite BiVO4 , S.G.I2/b) has garnered interest as a wide-band semiconductor with photocatalyst activity, as a high NIR reflectance material for camouflage and cool pigments and as a photoanode ... -
Increasing the photocatalytic and fungicide activities of Ag3PO4 microcrystals under visible-light irradiation
Elsevier (2021-05-03)The present study reports for the first time the performance of silver phosphate (Ag3PO4) microcrystals as photocatalyst (degradation of Rodamine B-RhB) and antifungal agent (against Candida albicans–C. albicans) under ... -
Influence of Salts on the Photocatalytic Degradation of Formic Acid in Wastewater
MDPI (2022-11)Conventional wastewater treatment technologies have difficulties in feasibly removing persistent organics. The photocatalytic oxidation of these contaminants offers an economical and environmentally friendly solution. In ... -
Magnetic Photocatalyst for Wastewater Tertiary Treatment at Pilot Plant Scale: Disinfection and Enrofloxacin Abatement
MDPI (2021-01)In this work, we have tested a photocatalytic material consisting of a core of SiO2/Fe3O4 coated with TiO2 (Magnox) for plausible tertiary wastewater treatment. For this, a pilot plant of 45 L equipped with an Ultraviolet ... -
New creamic tile appplications: development of a photocatalytic reactor for wastewater treatment
Qualicer (2016)La fotocatálisis heterogénea es un proceso de oxidación avanzada que se basa en la generación de radicales hidroxilo (OH•) por la incidencia de radiación ultravioleta sobre un fotocatalizador (TiO2). Estos radicales ... -
Photocatalytic Glazed Tiles
Expert Fachmedien GmbH (2012)A parent glass in the SiO2–CaO–ZnO–B2O3–K2O–Al2O3 system, deposited and processed by the monoporosa firing method (1085 °C), was coated using a sol–gel procedure and by serigraphy with silica, bismuth oxide, zirconia, and ... -
Polymeric ionic liquid-based formulations for the fabrication of highly stable perovskite nanocrystal composites for photocatalytic applications
Royal Society of Chemistry (2023-02-09)Halide perovskite nanocrystals (PNCs) have emerged as potential visible-light photocatalysts because of their outstanding intrinsic properties, including high absorption coefficient and tolerance to defects, which reduces ... -
Quantum Dot Based Heterostructures for Unassisted Photoelectrochemical Hydrogen Generation
Wiley (2013-02)TiO2 hollow nanowires (HNWs) and nanoparticles (NPs) constitute promising architectures for QDs sensitized photoanodes for H2 generation. We sensitize these structures with CdS/CdSe quantum dots by two different methods ... -
Rose Bengal Immobilized on Supported Ionic‐Liquid‐like Phases: An Efficient Photocatalyst for Batch and Flow Processes
Wiley (2019-09-06)The catalytic activity of Rose Bengal (RB) immobilized on supported ionic liquid (IL)‐like phases was evaluated as a polymer‐supported photocatalyst. In these systems, the polymer was designed to play a pivotal role. The ...