Surfaces and Interfaces, Journal Year: 2023, Volume and Issue: 44, P. 103739 - 103739
Published: Dec. 15, 2023
Language: Английский
Catalysis Communications, Journal Year: 2023, Volume and Issue: 183, P. 106764 - 106764
Published: Sept. 15, 2023
This review focuses on recently proposed photocatalyst designs for maximizing the efficiency of photogenerated charge carriers to improve photocatalytic performance photocatalysts. These include doping with metal and non-metal ions, surface grafting, noble deposition, dye sensitization, heterostructure fabrication. In addition, this thoroughly examines all prominent parameters that can influence degradation Furthermore, summarizes energy-band structures photocatalysts are suitable both O2 reduction oxidation H2O molecules generate reactive oxygen species. Lastly, we discuss future trends in development environmental applications.
Language: Английский
Citations
104
Catalysis Communications, Journal Year: 2023, Volume and Issue: 177, P. 106642 - 106642
Published: March 16, 2023
Persistent organic pollutants (POPs) are proven to possess considerable resistance environmental degradation such that they could not be entirely removed through the typical treatment processes. The consistent presence of these contributes impending obnoxious health impacts concurrently inflicted on wildlife and human beings. In alignment getting rid menaces, photocatalysis process has arrived as a tremendous remedy thereby availability clean secure water ensured. this review we focus potential progress in SnO2 nanostructures for enhancing photocatalytic pollutants, its current challenges future perspectives.
Language: Английский
Citations
67
International Journal of Molecular Sciences, Journal Year: 2022, Volume and Issue: 24(1), P. 346 - 346
Published: Dec. 25, 2022
Currently, the synthesis of active photocatalysts for evolution hydrogen, including based on graphite-like carbon nitride, is an acute issue. In this review, a comprehensive analysis state-of-the-art studies graphic nitride as photocatalyst hydrogen production under visible light presented. various approaches to g-C3N4 reported in literature were considered, methods modifying and improving structural photocatalytic properties material. A thorough has shown that most commonly used are alterations textural characteristics by introducing templates, pore formers or pre-treatment method, doping with heteroatoms, modification metals, creation composite photocatalysts. Next, authors considered their own detailed study graphitic different pre-treatments respective demonstrate high efficiency stability hydrogen. Particular attention was paid describing effect state platinum cocatalyst activity resulting photocatalyst. The decisive factors leading materials discussed.
Language: Английский
Citations
49
Journal of Molecular Structure, Journal Year: 2023, Volume and Issue: 1284, P. 135398 - 135398
Published: March 20, 2023
Language: Английский
Citations
30
Journal of King Saud University - Science, Journal Year: 2024, Volume and Issue: 36(5), P. 103169 - 103169
Published: March 20, 2024
Research applications in biology and the environment can benefit greatly from nanoscience nanotechnology. Aqueous leaf extract of Adhatoda vesica (AV) mediated formation lead oxide (PbO) nanoparticles this study. A XRD analysis confirmed that (PbO NPs) synthesized leaves have a crystalline structure. UV–vis spectroscopy study colloidal PbO absorption revealed greatest bands, photoluminescence (PL) emission spectrum broad nature visible peaks with high surface defects. By analyzing using fourier transform infrared method (FTIR), demonstrated presence functional peaks. It was evident SEM images most NPs had spherical, irregular sponge-like shape. Additionally, nanostructures were tested for their antibacterial activity against Escherichia Coli, level observed, indicating suitability antimicrobial applications. been evaluated photocatalytic degradation methylene blue dye (MB) under UV irradiation produced indications material is suitable degradation. The used as medicine enhances nanomaterials' properties. research focused on focusing environmental pollution control treatment different diseases such asthma, bronchitis, tuberculosis, other through Ayurveda, Siddha, Homeopathy, Unani. based these findings (Justicia adhatoda) be utilized cost-effective environmentally friendly alternative to producing nanoparticles.
Language: Английский
Citations
10
Journal of King Saud University - Science, Journal Year: 2022, Volume and Issue: 35(1), P. 102455 - 102455
Published: Nov. 17, 2022
Recently, numerous plant-based synthesis techniques have been used to develop metal nanoparticles. The current study uses the medicinal plant extract of couroupita guianensis (CG) petals create biogenic silver nanoparticles in an environmentally friendly manner. Different techniques, including ultraviolet–visible spectroscopy (UV–vis), Fourier Transformation Infrared (FTIR), X-ray diffraction (XRD), and Dynamic Light Scattering (DLS) analysis, are evaluate synthesized From XRD results confirm emergence nanosilver crystalline arrangement with characteristic peaks at glancing angles 38.04°, 44.22°, 64.40°, 77.37°. UV–vis displays spectral absorption λmax = 282 nm shows formation Images produced Ag NPs taken a scanning electron microscope (SEM) show creation flower-shaped particles. functional behavior flavones, triterpenoids, polyphenols belonging has observed by ensuring their selective absorptions FTIR analysis had substantial antibacterial effect on Gram-positive (B. subtilis) Gram-negative (Escherichia coli) bacteria general. It is found become effective when symbiotic flower for enhancing properties. This composite product gives new cost-effective formulation more therapeutic possibilities. wide open avenues research possibilities lot future scopes. photocatalytic degradation efficiency CG-Ag methylene blue (MB) dye was evaluated under visible light irradiation indications material applications.
Language: Английский
Citations
32
Inorganic Chemistry Communications, Journal Year: 2023, Volume and Issue: 156, P. 111164 - 111164
Published: Aug. 2, 2023
Language: Английский
Citations
17
Journal of Materials Science Materials in Electronics, Journal Year: 2024, Volume and Issue: 35(10)
Published: April 1, 2024
Language: Английский
Citations
7
Catalysts, Journal Year: 2023, Volume and Issue: 13(2), P. 215 - 215
Published: Jan. 17, 2023
As a result of the sol-gel method, we were able to produce pure ZnO and ZnO-doped TiO2 nanocomposites. The hexagonal wurtzite phase in products was discovered by powder X-ray diffraction (XRD). are typically crystallites, formed according Debye Scherrer formula. Nanocomposites with significant morphological changes created using process, including those that resembled rocks. To determine composition Zn, O, Ti atoms samples, multidimensional analysis performed. There is an energy gap between 3.61 eV, as determined UV-vis spectroscopy. In this study, nanocomposites used study degradation methylene blue (MB) under visible light irradiation. Over irradiation course 6 h, composite (84%) studied. kinetic analysis, made from followed pseudo-first-order kinetics. presence nanocomposites, antibacterial activity significantly improved. This shown be effective against Gram-positive Gram-negative bacteria (Escherichia coli B. sublittus). evidence metal oxide produced can appropriate antimicrobial disinfection alternative, particularly biomedical settings, reported more detail.
Language: Английский
Citations
13
Journal of Nanoparticle Research, Journal Year: 2024, Volume and Issue: 26(7)
Published: June 27, 2024
Language: Английский
Citations
5