Search Results - "Cipagauta Díaz, Sandra"
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Ga2O3/TiO2 semiconductors free of noble metals for the photocatalytic hydrogen production in a water/methanol mixture
Published in Journal of chemical technology and biotechnology (1986) (01-11-2019)“…Background Hydrogen gas (H2) has been identified as a potential energy source to reduce the dependence on fossil fuels. Titanium dioxide (TiO2) semiconductor…”
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Effective electron–hole separation over N‐doped TiO2 materials for improved photocatalytic reduction of 4‐nitrophenol using visible light
Published in Journal of chemical technology and biotechnology (1986) (01-10-2020)“…BACKGROUND Nitrogen‐doped titanium dioxide (TiO2) photocatalyst was synthesized successfully by a low temperature microwave‐assisted sol–gel method…”
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Photocatalytic hydrogen production using FeTiO3 concentrates modified by high energy ball milling and the presence of Mg precursors
Published in Topics in catalysis (2021)“…Ilmenite (FeTiO 3 ) concentrates were modified by high energy ball milling (HEBM) at different times (1, 2, and 3 h) and in the presence of MgO or metallic Mg…”
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Hydrothermal synthesis of a two‐dimensional g‐C3N4/MoS2/MnOOH composite material and its potential application as photocatalyst
Published in Journal of chemical technology and biotechnology (1986) (01-11-2019)“…BACKGROUND Environmental pollution and energy crisis are nowadays considered among the most important problems facing humanity. Several strategies have been…”
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Preparation and characterization of phosphate-modified mesoporous TiO2 incorporated in a silica matrix and their photocatalytic properties in the photodegradation of Congo red
Published in Frontiers of materials science (01-09-2017)“…This study describes the development of mesostructured TiO 2 photocatalysts modified with PO 4 3- to improve its specific surface area and reduce the…”
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Improved photocatalytic oxidation of arsenic (III) with WO3/TiO2 nanomaterials synthesized by the sol-gel method
Published in Journal of environmental management (15-03-2021)“…Photocatalytic oxidation of arsenite (As(III)) to arsenate (As(V)) was studied in aqueous solution using a series of WO3/TiO2 semiconductors readily…”
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Heterojunction formation on InVO4/N-TiO2 with enhanced visible light photocatalytic activity for reduction of 4-NP
Published in Materials science in semiconductor processing (01-01-2019)“…In this study, we report the preparation of a new heterojunction photocatalyst of InVO4/N-TiO2 (labeled as TNI) by a simple coupled process using sol gel…”
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Enhanced photocatalytic degradation of the herbicide 2,4-dichlorophenoxyacetic acid by Pt/TiO2–SiO2 nanocomposites
Published in Reaction kinetics, mechanisms and catalysis (01-10-2020)“…In the present work, we report the effect of the addition of platinum (Pt loading 1 wt%) on photocatalysts based on TiO 2 and its incorporation in a SiO 2…”
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Structural changes and photocatalytic aspects into anatase network after doping with cerium: Comprehensive study via radial distribution functions, electron density maps and molecular hardness
Published in Journal of photochemistry and photobiology. A, Chemistry. (01-06-2022)“…Mineralization of 2,4-D and molecular softness curves as a function of annealing temperature and the electron density map of doped anatase with cerium under…”
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Enhanced photocatalytic degradation of Bisphenol A under visible light by Cr-TiO2 nanoparticles
Published in Journal of photochemistry and photobiology. A, Chemistry. (01-02-2025)“…[Display omitted] •The sol–gel method was used to synthesize Cr-TiO2 nanoparticles.•The Cr-TiO2 samples showed greater surface area and a reduction in…”
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Arsenite removal by using ZnAlFe mixed metal oxides derived from layered double hydroxides
Published in Chemosphere (Oxford) (01-11-2024)“…ZnAlFe mixed metal oxides (ZnAlFe-MMOs) were synthesized from layered double hydroxides (LDHs) prepared by the coprecipitation method at pH 9 using an initial…”
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Improved photocatalytic oxidation of arsenic (III) with WO 3 /TiO 2 nanomaterials synthesized by the sol-gel method
Published in Journal of environmental management (15-03-2021)“…Photocatalytic oxidation of arsenite (As(III)) to arsenate (As(V)) was studied in aqueous solution using a series of WO /TiO semiconductors readily synthesized…”
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Preparation and characterization of phosphate-modified mesoporous TiO 2 incorporated in a silica matrix and their photocatalytic properties in the photodegradation of Congo red
Published in Frontiers of materials science (2017)“…This study describes the development of mesostructured TiO 2 photocatalysts modified with PO 4 3− to improve its specific surface area and reduce the…”
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ZnAl hydrotalcites modified with nanocomposites nZVI–PAA for environmental remediation
Published in Journal of materials research and technology (01-09-2021)“…Diffraction patterns of polyacrylic acid (PAA) encapsulated-(Fe)-modified ZnAl hydrotalcite (ZnAlH) showed the integration of Fe in the H lattice, resulting in…”
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