Titania nanorods array homojunction with sub-stoichiometric TiO2 for enhanced methylene blue photodegradation

Spigariol, Nicolò; Liccardo, Letizia; Lushaj, Edlind; Rodríguez‐Castellón, Enrique; Martín, Isabel Barroso; Polo, Federico; Vomiero, Alberto; Cattaruzza, Elti; Moretti, Elisa

doi:10.1016/j.cattod.2023.114134

Cited by 8 publications

(2 citation statements)

References 38 publications

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“…Consequently, this indicates that there can be a hybrid effect that may influence the rate of MB photodegradation [39,40]. The rate constant comparison informs that the CT-4 samples showed the highest photodegradation rate constants for MB photodegradation amongst the photocatalysts tested.…”

Section: Photodegradation Of Mbmentioning

confidence: 72%

“…In a comparison of the pristine samples of C and T, the composite samples of CT-1, CT-2, CT-3, CT-4, and CT-5 had increased rate constants in comparison to their pristine counterparts. Consequently, this indicates that there can be a hybrid effect that may influence the rate of MB photodegradation [ 39 , 40 ]. The rate constant comparison informs that the CT-4 samples showed the highest photodegradation rate constants for MB photodegradation amongst the photocatalysts tested.…”

Section: Resultsmentioning

confidence: 99%

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Development of TiO2–CaCO3 Based Composites as an Affordable Building Material for the Photocatalytic Abatement of Hazardous NOx from the Environment

Kuppusamy,

Kim,

Lee

et al. 2024

Nanomaterials

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This study explores the depollution activity of a photocatalytic cementitious composite comprising various compositions of n-TiO2 and CaCO3. The photocatalytic activity of the CaCO3–TiO2 composite material is assessed for the aqueous photodegradation efficiency of MB dye solution and NOx under UV light exposure. The catalyst CaCO3–TiO2 exhibits the importance of an optimal balance between CaCO3 and n-TiO2 for the highest NOx removal of 60% and MB dye removal of 74.6%. The observed trends in the photodegradation of NOx removal efficiencies suggest a complex interplay between CaCO3 and TiO2 content in the CaCO3–n-TiO2 composite catalysts. This pollutant removal efficiency is attributed to the synergistic effect between CaCO3 and n-TiO2, where a higher percentage of n-TiO2 appeared to enhance the photocatalytic activity. It is recommended that CaCO3–TiO2 photocatalysts are effectiveness in water and air purification, as well as for being cost-effective construction materials.

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Section: Photodegradation Of Mbmentioning

confidence: 72%

Section: Resultsmentioning

confidence: 99%

Development of TiO2–CaCO3 Based Composites as an Affordable Building Material for the Photocatalytic Abatement of Hazardous NOx from the Environment

Kuppusamy,

Kim,

Lee

et al. 2024

Nanomaterials

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Highly Efficient Solar‐Light‐Driven Photodegradation of Metronidazole by Nickel Hexacyanoferrate Nanocubes Showing Enhanced Catalytic Performances

Lushaj,

Bordin,

Akbar

et al. 2024

Small Methods

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Environmental pollution is a complex problem that threatens the health and life of animal and plant ecosystems on the planet. In this respect, the scientific community faces increasingly challenging tasks in designing novel materials with beneficial properties to address this issue. This study describes a simple yet effective synthetic protocol to obtain nickel hexacyanoferrate (Ni‐HCF) nanocubes as a suitable photocatalyst, which can enable an efficient photodegradation of hazardous anthropogenic organic contaminants in water, such as antibiotics. Ni‐HCF nanocubes are fully characterized and their optical and electrochemical properties are investigated. Preliminary tests are also carried out to photocatalytically remove metronidazole (MDZ), an antibiotic that is difficult to degrade and has become a common contaminant as it is widely used to treat infections caused by anaerobic microorganisms. Under simulated solar light, Ni‐HCF displays substantial photocatalytic activity, degrading 94.3% of MDZ in 6 h. The remarkable performance of Ni‐HCF nanocubes is attributeto a higher ability to separate charge carriers and to a lower resistance toward charge transfer, as confirmed by the electrochemical characterization. These achievements highlight the possibility of combining the performance of earth‐abundant catalysts with a renewable energy source for environmental remediation, thus meeting the requirements for sustainable development.

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Preface: GIC2022

Albonetti,

Biasi,

Di Renzo

et al. 2024

Catalysis Today

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Titania nanorods array homojunction with sub-stoichiometric TiO2 for enhanced methylene blue photodegradation

Cited by 8 publications

References 38 publications

Development of TiO2–CaCO3 Based Composites as an Affordable Building Material for the Photocatalytic Abatement of Hazardous NOx from the Environment

Development of TiO2–CaCO3 Based Composites as an Affordable Building Material for the Photocatalytic Abatement of Hazardous NOx from the Environment

Highly Efficient Solar‐Light‐Driven Photodegradation of Metronidazole by Nickel Hexacyanoferrate Nanocubes Showing Enhanced Catalytic Performances

Preface: GIC2022

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