A Comparative Study of GO/TiO2/SiO2 Catalysts for the Photocatalytic Degradation of Methylene Blue and Phenolic Compounds DOI Open Access

Abeer Adaileh,

Ahmed Abu‐Rayyan,

Anas Khasawneh

и другие.

Environmental Quality Management, Год журнала: 2025, Номер 34(3)

Опубликована: Фев. 12, 2025

ABSTRACT This study scrutinizes the photodegradation efficacy of methylene blue (MB) and selected phenolic compounds, emphasizing variables such as pH, catalyst dosage, initial pollutant concentration. Employing a GO/TiO₂/SiO₂ composite (NC‐II) composed 50:50% TiO₂ SiO₂, research identifies NC‐II optimal catalyst, achieving up to 100% degradation MB under ideal conditions (0.5 ppm concentration, pH 10). For degradation, maximal rates were recorded alkaline (pH 8–10), with reaching 84.6% at 10, surpassing 46.5% observed for NC‐I 37.7% NC‐III same level. Results also indicate that an increase in dosage 0.3 g enhances rates, 63.7% this contrast 17.8% 53.1% NC‐III. In case efficiencies varied between 55% 86%, demonstrating highest capability, 86% Bisphenol A dosage. The 4‐chlorophenol phenol was more pronounced neutral (5–6), zero‐order kinetics producing superior regression coefficients ( R 2 = 0.91–0.99) compared pseudo‐first‐order models. Moreover, maintained over 80% efficiency across five reusability cycles, underscoring its durability minimal decline performance. substantiates TiO₂:SiO₂ composites cost‐effective, high‐performance catalysts suitable diverse environmental conditions, where adjustments can further refine different types.

Язык: Английский

Current Overview of Metal Nanoparticles’ Synthesis, Characterization, and Biomedical Applications, with a Focus on Silver and Gold Nanoparticles DOI Creative Commons
Ana Flavia Burlec, Andreia Corciovă, Monica Boev

и другие.

Pharmaceuticals, Год журнала: 2023, Номер 16(10), С. 1410 - 1410

Опубликована: Окт. 4, 2023

Metal nanoparticles (NPs) have garnered considerable attention, due to their unique physicochemical properties, that render them promising candidates for various applications in medicine and industry. This article offers a comprehensive overview of the most recent advancements manufacturing, characterization, biomedical utilization metal NPs, with primary focus on silver gold NPs. Their potential as effective anticancer, anti-inflammatory, antimicrobial agents, drug delivery systems, imaging agents diagnosis treatment variety disorders is reviewed. Moreover, translation therapeutic settings, issue inclusion clinical trials, are assessed light over 30 investigations concentrate administering either or NPs conditions ranging from nosocomial infections different types cancers. paper aims not only examine biocompatibility nanomaterials but also emphasize challenges may limit safe integration into healthcare practices. More than 100 nanomedicines currently market, which justifies ongoing study use medicine. Overall, present review highlight innovative therapeutics field biomedicine, citing some relevant current applications.

Язык: Английский

Процитировано

91

Facile preparation of high-performance hydrochar/TiO2 heterojunction visible light photocatalyst for treating Cr(VI)-polluted water DOI
Yongcai Zhang, Chang Liu,

Panpan Nian

и другие.

Colloids and Surfaces A Physicochemical and Engineering Aspects, Год журнала: 2023, Номер 681, С. 132775 - 132775

Опубликована: Ноя. 14, 2023

Язык: Английский

Процитировано

87

Synthesis of CuO, ZnO nanoparticles, and CuO-ZnO nanocomposite for enhanced photocatalytic degradation of Rhodamine B: a comparative study DOI Creative Commons

M. Jeevarathinam,

I.V. Asharani

Scientific Reports, Год журнала: 2024, Номер 14(1)

Опубликована: Апрель 27, 2024

Abstract Water pollution, arising from the presence of toxic dyes and chemicals, is a global challenge, urging need for eco-friendly solutions in water decontamination. This study focused on synthesis copper oxide nanoparticles (CuO NPs), zinc (ZnO bimetallic CuO-ZnO nanocomposite (CZ NC) through an environmentally friendly method employing Tragia involucrata L. leaf extract. Comprehensive analysis structural optical properties involved using various analytical techniques such as XRD, FT-IR, XPS, UV-DRS, PL, FE-SEM, EDAX, TEM, SAED, zeta potential, TGA, BET. In comparison to pristine CuO ZnO NPs, CZ-NC demonstrated notably enhanced photocatalytic activity degradation Rhodamine B dye (RhB). The optimum conditions RhB were found be pH 9 catalyst dosage 1 mg/mL concentration 10 ppm. Under these conditions, high efficiencies 78%, 83%, 96.1% respectively over 105 min. Through LC-HRMS, identification products offered valuable insights into pathway degradation. Furthermore, toxicity intermediates, conducted ECOSAR software, indicated formation non-toxic by-products (ChV/LC 50 /EC > 100) after completion reaction. recycled catalysts exhibited sustained stability up 4 cycles, with only minor decrease 6.8%. confirms their catalytic efficacy purifying polluted water. research significantly contributes progress nanocomposites, enhancing realm environmental remediation.

Язык: Английский

Процитировано

36

Defect evolution on the activity of samarium doped Na2TinO2n+1 with different sodium/titanium ratio for photocatalytic degradation of fluoroquinolones drugs, toxicity assessments and eco-toxicity prediction DOI
Haitao Lin, Chunai Yang,

Leila Fatolahi

и другие.

Ceramics International, Год журнала: 2024, Номер unknown

Опубликована: Янв. 1, 2024

Язык: Английский

Процитировано

24

A review on versatile metal vanadates photocatalysts for energy conversion and environmental remediation DOI
Irshad Ahmad, Gao Li, Ayman Al‐Qattan

и другие.

Materials Today Sustainability, Год журнала: 2024, Номер 25, С. 100666 - 100666

Опубликована: Янв. 4, 2024

Язык: Английский

Процитировано

20

Decoration of MoO3-x on clay mineral matrix with great phosphorescence properties for oxygen activation, photochemical properties, bactericidal and oxidase-like mimics for prompt detection of pesticide DOI
Khursheed Muzammil,

Muhaned Zaid,

Uday Abdul‐Reda Hussein

и другие.

Materials Science in Semiconductor Processing, Год журнала: 2023, Номер 168, С. 107847 - 107847

Опубликована: Сен. 20, 2023

Язык: Английский

Процитировано

34

Interface engineering of a magnetic 2D-C3N4/Fe2O3/NiFe-LDH heterostructure for efficient photocatalytic degradation of methylene blue and rhodamine B dyes under visible light DOI
Zahra Mohammadi,

Hamid Abbasi-Asl,

Mohammad Mehdi Sabzehmeidani

и другие.

Applied Clay Science, Год журнала: 2023, Номер 246, С. 107182 - 107182

Опубликована: Окт. 26, 2023

Язык: Английский

Процитировано

24

Nanocomposites against Pseudomonas aeruginosa biofilms: Recent advances, challenges, and future prospects DOI
Basma A. Omran, Boo Shan Tseng,

Kwang‐Hyun Baek

и другие.

Microbiological Research, Год журнала: 2024, Номер 282, С. 127656 - 127656

Опубликована: Фев. 28, 2024

Язык: Английский

Процитировано

14

A deeper insight into the evaluation of water-in-oil amicroemulsion templated samarium sulfide nanospheres: exploring its role in pickering emulsion formulation for photocatalytic dye degradation and synthesis of PANI@Sm2S3 nanocomposites DOI Creative Commons
Sk Mehebub Rahaman, Nargis Khatun, Prashanta Pal

и другие.

Nanoscale Advances, Год журнала: 2024, Номер 6(6), С. 1688 - 1703

Опубликована: Янв. 1, 2024

W/O microemulsion-mediated Sm 2 S 3 nanospheres in pickering emulsion-based crystal violet (CV) dye degradation and PANI@Sm nanocomposite synthesis.

Язык: Английский

Процитировано

12

Characterization and photodegradation of methylene blue dye using bio-synthesized cerium oxide nanoparticles with Spirulina platensis extract DOI Creative Commons
Mohamed H. H. Ali, Mohamad S. Abdelkarim, Afify D. G. Al-Afify

и другие.

Deleted Journal, Год журнала: 2024, Номер 6(3)

Опубликована: Фев. 27, 2024

Abstract Increasing concern about environmental pollution attracts researchers to develop eco-friendly, low-cost, and sustainable approaches for green biosynthesis of nanoparticles overcome pollutants. This study focuses on the synthesis ceria NPs using Spirulina platensis extract as a stabilizing reducing agent. Characterization measurements, such optical properties, X-ray diffraction, SEM, TEM, FT-IR spectroscopy, confirmed successful crystalline stable with well-defined morphological features. The calculated bandgaps energy pure ceria, CeO 2 @Sp 2:1, 1:1 were 3.3, 3.15, 2.94 eV, respectively. as-synthesized showed an excellent degradation efficacy MB dye under UV irradiation. Furthermore, high photodegradation efficiency (R% = 86.2 88.8%) than 76.4%) at certain specific conditions (pH 11, contact time 90 min, catalyst dose 0.3 g/L initial concentration 100 mg/L). isothermal constants that is well-fitted Freundlich isotherm model (R > 0.99) better Langmuir < 0.8). kinetics models revealed rapid rate dye, which follows pseudo-second-order C e values ranging from 83.33 89.29 mg/g, R 0.99. These results indicated potential applicability promising avenue developing advanced wastewater treatment applications.

Язык: Английский

Процитировано

12