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Article
Chemistry, Physical
Dineo A. Bopape et al.
Summary: CuO-TiO2 nanocomposites were synthesized using C. benghalensis plant extracts, and their composition was found to affect the morphological, optical, electrochemical, and photodegradation properties. Characterization techniques such as SEM, XRD, UV-vis, FTIR, TGA, BET, and CV were used. The highest degradation efficiency of 94% was achieved for sulfisoxazole using the CuO-TiO2 30/70 nanocomposites. The primary species responsible for the photodegradation of sulfisoxazole was identified as hydroxyl radicals.
Article
Chemistry, Physical
Shaidatul Najihah Matussin et al.
Summary: CeO2 and Pd-CeO2 NPs were synthesized using the microwave-assisted synthesis method. It was found that Pd-CeO2 NPs exhibited enhanced photocatalytic and photoantibacterial activities under visible light irradiation.
Article
Chemistry, Physical
Jianghua Lang et al.
Summary: TiO2-Ag nanoparticle composite films were prepared by plasma-enhanced chemical vapor deposition (PECVD) method, which showed reduced bandgap and improved photocatalytic activity. The best photocatalytic activity was achieved for a 1 wt% Ag-loaded TiO2 composite film.
Article
Chemistry, Physical
Jianghua Lang et al.
Summary: The study successfully synthesized a TiO2-CNT-Ag ternary composite film and significantly improved the photocatalytic activity for the degradation of rhodamine 6G.
Article
Chemistry, Physical
Soumaya Rezgui et al.
Summary: Heterogeneous photo-electro-Fenton process is an effective technology for the removal of recalcitrant pollutants. By optimizing the catalyst design and performance, efficient degradation and mineralization treatment can be achieved.
Article
Chemistry, Physical
Tsung-Mo Tien et al.
Summary: In this work, a new binary MoS2/Co3O4 nanohybrids with excellent photocatalytic performance and stability was successfully fabricated. The enhanced photocatalytic degradation and redox activities can be attributed to the created S-scheme heterostructure to facilitate the separation of and to delay recombination of photoinduced charge carriers. This strategy of exploiting nanohybrid photocatalysts has great potential in the field of environmental catalysis and diverse applications.
Article
Chemistry, Physical
Meditha Hudandini et al.
Summary: The treatment of wastewater from the textile industry is an important environmental issue, and photodegradation is considered a promising method for its mitigation. This study demonstrates that the loading of Ag onto ZnO enhances its catalytic activity and achieves optimal photodegradation results at a carrier gas ratio of 0:1.
Article
Chemistry, Physical
Ming-Huan Chiu et al.
Summary: A hexagonal wurtzite ZnO photocatalyst was prepared via precipitation method and CuS nanoparticles and PbS quantum dots were loaded onto ZnO to obtain a CuS/PbS/ZnO heterojunction photocatalyst. The CuS/PbS/ZnO photocatalyst exhibited significant absorption capabilities and reduced recombination of electron-hole pairs during photocatalytic reactions. The catalyst with PbS quantum dots of small particle size and small bandgap showed the best water splitting effect. Moreover, the addition of sacrificial reagent further improved the hydrogen production efficiency from water splitting.
Article
Chemistry, Physical
Aleksandra Babyszko et al.
Summary: This paper presents a modification of titanium dioxide with fumed silica and investigates the characteristics and photocatalytic activity of the materials. The results show that the presence of SiO2 effectively inhibits the increase in crystallite size and decrease in specific surface area during calcination. SiO2 also contributes to the increase in specific surface area and the change in band gap energy values. The photocatalytic activity of SiO2/TiO2 photocatalysts is higher compared to the starting TiO2, and it increases with the increase in SiO2 content.
Article
Chemistry, Physical
Jerry D. Harris et al.
Summary: This study successfully prepared zinc oxide powders with different morphologies and particle sizes using different compounds in the alkali precipitation process. The amount of organic material in the materials influenced the photocatalytic activity of ZnO, with ZnO containing lower organic material showing faster decolorization rate.
Article
Chemistry, Physical
Olufemi Oluseun Akintunde et al.
Summary: This study evaluated the photocatalytic activity of graphitic carbon nitride and silver chromate nanocomposites under visible light irradiation. The results showed that the nanocomposites were effective in degrading organic pollutants and disinfecting microorganisms, achieving visible-light-driven photocatalysis within a reasonable time.
Review
Chemistry, Physical
Virginia Venezia et al.
Summary: This article reviews the state of the art in producing hierarchical photocatalysts. It introduces different synthesis strategies and critically compares available methods based on their envisaged applications.
Article
Chemistry, Physical
Saheed O. Sanni et al.
Summary: The influence of different synthesis approaches on the photocatalytic efficiency of Ag/AgBr nanoparticles dispersed on activated carbon for the degradation of tetracycline was studied. The TP-AABR-ACK composite showed superior results with 92% removal of TC within 180 minutes under visible light irradiation, attributed to controlled morphologies, reduced particle size, improved absorptivity, and superior cooperative effect between AABR and ACK catalyst promoter. Enhanced TOC removal and reactive superoxide anion generation were also achieved with the TP-AABR-ACK composite in this study.
Article
Chemistry, Physical
Adem Sreedhar et al.
Summary: This study discusses the application of key new material 2D Ti3C2 MXenes in solar desalination technology. By optimizing microstructure and photothermal properties, efficient desalination output is achieved. In particular, the membranous MXene form is considered the most promising.
