JCIS open Pub Date : 2025-10-21 DOI: 10.1016/j.jciso.2025.100159

Ria Fitria Pryliana , Ainul Maghfirah , Grandprix T.M. Kadja

引用次数: 0

Pickering emulsions synergistically stabilized by oligomeric amines and silica nanoparticles 由低聚胺和二氧化硅纳米颗粒协同稳定的皮克林乳状液

JCIS open Pub Date : 2025-10-10 DOI: 10.1016/j.jciso.2025.100158

Peili Wang, Xiaomei Pei, Binglei Song, Zhao Chen, Zhenggang Cui

{"title":"Pickering emulsions synergistically stabilized by oligomeric amines and silica nanoparticles","authors":"Peili Wang, Xiaomei Pei, Binglei Song, Zhao Chen, Zhenggang Cui","doi":"10.1016/j.jciso.2025.100158","DOIUrl":"10.1016/j.jciso.2025.100158","url":null,"abstract":"<div><div>Pickering emulsions have been widely applied in various fields. In this work, oligomeric amines (2N-C<sub>n</sub>-2N, n = 6, 8, 10) with two secondary and two tertiary amine groups were successfully synthesized. Pickering emulsions were stabilized by using silica nanoparticles and oligomeric amines with an oil-water ratio of 1:1 (v/v). At a fixed silica particle concentration of 0.2 wt%, the minimum concentrations of oligomeric amines 2N-C<sub>n</sub>-2N (n = 6, 8, 10) required to stabilize the emulsion are 0.3, 0.3, and 0.06 mM, respectively, which decrease significantly with increasing spacer chain length. Contact angle experiments revealed that the in situ hydrophobization of nanoparticles was caused by the surface adsorption of amine molecules. Different with the previously reported silica particles modified by oppositely charged surfactants, the major interactions between the oligomeric amines and silica nanoparticles are hydrogen bonds instead of electrostatic attractions. The Pickering emulsion remained stable at 80 °C for at least 72 h without phase separation. In addition, the system exhibits pH responsiveness, and the emulsion can be cycled between demulsification and emulsification state for over 5 times by alternating addition of HCl and NaOH. This work provides a novel approach for the in situ hydrophobization of nanoparticles through hydrogen bonding and can be widely applied in the fields of medicine and cosmetics.</div></div>","PeriodicalId":73541,"journal":{"name":"JCIS open","volume":"20 ","pages":"Article 100158"},"PeriodicalIF":0.0,"publicationDate":"2025-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145268962","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Photocatalytic degradation of organic pollutants under solar irradiation using single-walled carbon nanotube/titanium dioxide nanocomposites 单壁碳纳米管/二氧化钛纳米复合材料在太阳辐照下光催化降解有机污染物的研究

JCIS open Pub Date : 2025-10-07 DOI: 10.1016/j.jciso.2025.100157

Areeya Aeimbhu, Jamaree Amonkosolpan, Wichuda Boonyaratgalin, Nopmanee Supanam

{"title":"Photocatalytic degradation of organic pollutants under solar irradiation using single-walled carbon nanotube/titanium dioxide nanocomposites","authors":"Areeya Aeimbhu, Jamaree Amonkosolpan, Wichuda Boonyaratgalin, Nopmanee Supanam","doi":"10.1016/j.jciso.2025.100157","DOIUrl":"10.1016/j.jciso.2025.100157","url":null,"abstract":"<div><div>A nanocomposite of titanium dioxide nanoparticles (TiO<sub>2</sub> NPs: P25) modified with single-walled carbon nanotubes (SWCNTs) was synthesized using a simple mixing method, with varying TiO<sub>2</sub> NP mass ratios (5–20 wt%). The nanocomposites were characterized using field emission scanning electron microscopy (FE-SEM), Brunauer-Emmett-Teller (BET) analysis, X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), and UV–Vis diffuse reflectance spectroscopy (DRS). Photocatalytic degradation performance was evaluated using methylene blue as a model organic pollutant under solar light irradiation. FE-SEM images confirmed the effective dispersion of TiO<sub>2</sub> NPs within SWCNT bundles, while FTIR analysis verified the incorporation of both TiO<sub>2</sub> NPs and SWCNTs. Adding SWCNTs extended TiO<sub>2</sub>'s light absorption from the ultraviolet to the visible range, enhancing photocatalytic degradation under solar light compared to TiO<sub>2</sub>. Tauc plot analysis revealed TiO<sub>2</sub>NPs have an indirect energy band gap of 3.24 eV, while the SWCNTs/TiO<sub>2</sub> nanocomposites with a 1:5 mass ratio showed a direct energy band gap of 1.22 eV. The SWCNTs/TiO<sub>2</sub> nanocomposite (1:5) exhibited the highest specific surface area. Photocatalytic experiments with this ratio achieved up to 99 % removal of methylene blue within 60 min of sunlight exposure. Furthermore, SWCNTs can accelerate the formation of TiO<sub>2</sub> NPs sludge within 2 h. The SWCNTs-supported TiO<sub>2</sub> sludge is reusable in catalytic applications, helping to minimize waste disposal concerns.</div></div>","PeriodicalId":73541,"journal":{"name":"JCIS open","volume":"20 ","pages":"Article 100157"},"PeriodicalIF":0.0,"publicationDate":"2025-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145268963","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Inverting g(r) to u(r): The test-particle insertion method 将g(r)逆化为u(r)：测试粒子插入法

JCIS open Pub Date : 2025-09-25 DOI: 10.1016/j.jciso.2025.100156

Clare R. Rees-Zimmerman , Angus Heafield , Daniel Ellerbeck , Adam Edward Stones , Roel P.A. Dullens , Dirk G.A.L. Aarts

{"title":"Inverting g(r) to u(r): The test-particle insertion method","authors":"Clare R. Rees-Zimmerman , Angus Heafield , Daniel Ellerbeck , Adam Edward Stones , Roel P.A. Dullens , Dirk G.A.L. Aarts","doi":"10.1016/j.jciso.2025.100156","DOIUrl":"10.1016/j.jciso.2025.100156","url":null,"abstract":"<div><div>Inverting the radial distribution function, <span><math><mrow><mi>g</mi><mrow><mo>(</mo><mi>r</mi><mo>)</mo></mrow></mrow></math></span>, to a pair potential, <span><math><mrow><mi>u</mi><mrow><mo>(</mo><mi>r</mi><mo>)</mo></mrow></mrow></math></span>, can be achieved by a variety of methods. Test-particle insertion has recently emerged as an efficient inverse method for finding <span><math><mrow><mi>u</mi><mrow><mo>(</mo><mi>r</mi><mo>)</mo></mrow></mrow></math></span>. The method can analyse both simulated and experimental data, and the only input required is equilibrium snapshots of particle coordinates. This paper explains the method in detail and its implementation, sharing example code. We demonstrate intricacies in the number and placement of test particles and their effect on efficiency, as well as practical advice for applying the method to experimental data. This includes strategies and code for dealing with non-periodic boundary conditions, choice of inversion cutoff distance and the effect of particles sticking. We also discuss how the method performs at higher density and its limitations.</div></div>","PeriodicalId":73541,"journal":{"name":"JCIS open","volume":"20 ","pages":"Article 100156"},"PeriodicalIF":0.0,"publicationDate":"2025-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145221685","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A novel eco-friendly method for synthesizing silver nanoparticles (AgNPs)-decorated chitosan film having high antibacterial efficacy 一种新型的环保方法合成具有高抗菌效果的银纳米粒子修饰壳聚糖膜

JCIS open Pub Date : 2025-09-09 DOI: 10.1016/j.jciso.2025.100155

Sri Juari Santosa , Muhammad Hadi , Adhi Dwi Hatmanto , Salwaa Mumtaazah Darmanastri , Eny Kusrini , Khoirina Dwi Nugrahaningtyas , Anwar Usman

{"title":"A novel eco-friendly method for synthesizing silver nanoparticles (AgNPs)-decorated chitosan film having high antibacterial efficacy","authors":"Sri Juari Santosa , Muhammad Hadi , Adhi Dwi Hatmanto , Salwaa Mumtaazah Darmanastri , Eny Kusrini , Khoirina Dwi Nugrahaningtyas , Anwar Usman","doi":"10.1016/j.jciso.2025.100155","DOIUrl":"10.1016/j.jciso.2025.100155","url":null,"abstract":"<div><div>A novel eco-friendly method was established to synthesize ultra-small silver nanoparticles (AgNPs)-decorated chitosan films with strong antibacterial activity. The AgNPs were produced by reducing AgNO<sub>3</sub> with glucose derived from sucrose hydrolysis under alkaline conditions (pH ∼12.06) in a chitosan matrix, yielding spherical particles (∼8.6 nm) at an optimal 1:4 Ag<sup>+</sup> to sucrose molar ratio. Mixing the resulting Chit-AgNPs colloid with glycerol in equal volumes produced a biodegradable Chit-AgNPs/G1 film with mechanical properties that meet biodegradable plastic standards. Antibacterial tests against <em>B. subtilis</em> and <em>E. coli</em> revealed that the film exhibited markedly higher efficacy than its precursors and was comparable or even superior to standard controls (amoxicillin and betadine). Overall, the Chit-AgNPs/G1 film demonstrates exceptional antibacterial performance, positioning it as one of the most effective chitosan–AgNP composites reported to date.</div></div>","PeriodicalId":73541,"journal":{"name":"JCIS open","volume":"20 ","pages":"Article 100155"},"PeriodicalIF":0.0,"publicationDate":"2025-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145049897","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Influence of wettability on diffusion limited nanoparticle adsorption at gas-liquid interfaces 润湿性对扩散受限纳米颗粒在气液界面吸附的影响

JCIS open Pub Date : 2025-09-06 DOI: 10.1016/j.jciso.2025.100154

Hangyu Chen , Xiaodong Jia , Michael Fairweather , Timothy N. Hunter

{"title":"Influence of wettability on diffusion limited nanoparticle adsorption at gas-liquid interfaces","authors":"Hangyu Chen , Xiaodong Jia , Michael Fairweather , Timothy N. Hunter","doi":"10.1016/j.jciso.2025.100154","DOIUrl":"10.1016/j.jciso.2025.100154","url":null,"abstract":"<div><div>This study investigates the influence of hydrophobicity on particle adsorption by examining the behavior of hydrophobized silica particles at air-water interfaces. Langmuir-Blodgett (LB) trough studies of butanol (‘SiO-butane’) and hexanol (‘SiO-hexane’) esterified particles provided contrasting behavior. The SiO-butane particles formed weaker particle layers that underwent partial collapse with compression, leading to formations significantly below hexagonal close-packed estimates. In contrast, the SiO-hexane particles exhibited improved monolayer behavior and longer-range stability. Droplet surface tensions demonstrated that the hydrophobic particles significantly altered the dynamic tension during adsorption, when methyl isobutyl carbinol (MIBC) was added as a co-surfactant. Short-term modeling elucidated the role of diffusion and energy barriers on adsorption dynamics, with SiO-hexane having reduced diffusion coefficients with respect to SiO-butane and unmodified particles. Despite this reduced diffusion, long-term modeling allowed calculation of adsorption coefficients (<em>k</em><sub><em>a</em></sub>), which for SiO-hexane particles were ∼200 × greater than for unmodified particles at low 0.1 wt% particle concentrations and over 1000 × greater at 2 wt%. Overall, the results provide quantitative insights into the profound influence of hydrophobicity on particle adsorption, particularly in crowded surface environments. Importantly, a diffusion-only mechanism is inadequate to explain adsorption dynamics for these larger colloids and the gravity-driven contribution must be considered in early-stage kinetics.</div></div>","PeriodicalId":73541,"journal":{"name":"JCIS open","volume":"20 ","pages":"Article 100154"},"PeriodicalIF":0.0,"publicationDate":"2025-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145027760","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Cross-linked chitosan-argan nutshell bio-composite beads: Optimization using Box-Behnken design and adsorption mechanism for Pb (II) and Cd (II) removal 交联壳聚糖-坚果壳生物复合微球：Box-Behnken设计优化吸附Pb （II）和Cd （II）的机理

JCIS open Pub Date : 2025-09-04 DOI: 10.1016/j.jciso.2025.100152

Fatima Zahra Falah , Touria El Ghailassi , Samia Yousfi , Ahmed Moussaif , Mohamed Essalhi , Hasna Hamdane , Mouna Latifa Bouamrani

{"title":"Cross-linked chitosan-argan nutshell bio-composite beads: Optimization using Box-Behnken design and adsorption mechanism for Pb (II) and Cd (II) removal","authors":"Fatima Zahra Falah , Touria El Ghailassi , Samia Yousfi , Ahmed Moussaif , Mohamed Essalhi , Hasna Hamdane , Mouna Latifa Bouamrani","doi":"10.1016/j.jciso.2025.100152","DOIUrl":"10.1016/j.jciso.2025.100152","url":null,"abstract":"<div><div>Industrial heavy metal contamination in water poses a significant threat to both the environment and human health, necessitating the development of affordable and effective remediation solutions. This study introduces a novel chitosan–argan nutshell bio-composite bead cross-linked in situ with glutaraldehyde (CS/ANS@GA), which exhibits enhanced mechanical stability and serves as an eco-friendly adsorbent for the efficient removal of Pb (II) and Cd(II). The bio-composite beads were thoroughly characterized using swelling tests, XRD, FTIR, and SEM-EDX, confirming their semi-crystalline structure and functionalities, as well as their high porosity and accessible adsorption active sites. Response surface methodology was employed to optimize the effects of pH, adsorbent dose, and contact time to achieve high removal efficiencies of Pb (II) and Cd (II). The synthesized beads exhibited Sips isotherm behavior, indicating a heterogeneous surface with maximum adsorption capacities of 433 mg g<sup>−1</sup> (Pb) and 391 mg.g<sup>−1</sup> (Cd). Thermodynamic analysis revealed an endothermic and spontaneous process, while Avrami kinetics suggested a complex adsorption mechanism involving pore diffusion, electrostatic interactions, and hydrogen bonding. Remarkably, the CS/ANS@GA beads maintained an efficiency of over 90 % after three adsorption–desorption cycles. These results highlight the potential of CS/ANS@GA beads as a sustainable, high-performance material for removing heavy metals from water.</div></div>","PeriodicalId":73541,"journal":{"name":"JCIS open","volume":"20 ","pages":"Article 100152"},"PeriodicalIF":0.0,"publicationDate":"2025-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145027761","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Nano modified kaolin-based materials and their application: A review 纳米改性高岭土基材料及其应用综述

JCIS open Pub Date : 2025-09-03 DOI: 10.1016/j.jciso.2025.100153

Kedir Seid Mohammed , Minaleshewa Atlabachew , Getahun Worku Derbie , Biniam Abdu Berhie

{"title":"Nano modified kaolin-based materials and their application: A review","authors":"Kedir Seid Mohammed , Minaleshewa Atlabachew , Getahun Worku Derbie , Biniam Abdu Berhie","doi":"10.1016/j.jciso.2025.100153","DOIUrl":"10.1016/j.jciso.2025.100153","url":null,"abstract":"<div><div>Kaolin, a natural clay mineral characterized by its kaolinite layers and silicate structure, exhibits high adsorbent properties, a low specific surface area, exceptional stability, and environmental friendliness. These attributes make kaolinite suitable for a wide range of applications. Conversely, the limited surface hydroxyl groups, low ion exchange capacity, and inability to absorb visible light indicate that pure kaolin or kaolinite is not an effective material for photocatalysis and performs inadequately in other applications. Fortunately, the unique physical and chemical properties of kaolinite render it as a suitable semiconductor carrier. By utilizing kaolin as a carrier, the poor activity, narrow spectral response, and limited electron transport of pure photocatalysts can be addressed, while also restricting the aggregation of nanoparticles. Thus, the usage of pure kaolin/kaolinite as a catalyst and adsorbent demonstrates to improve adsorption and catalytic performance, many modification techniques are now used, such as heat treatment (increases its surface area and porosity), acid modification (boosts the availability of active sites for improved adsorption and catalytic reactions), metal modification (introduces additional active sites), inorganic modification (improve thermal stability and photocatalytic performance), and organic modification (increase hydrophobicity). This review paper offers a structured overview of the use of kaolinite-supported nanocomposites across various applications, including adsorption, photocatalytic pollutant degradation, catalytic degradation, and antibacterial and antioxidant activities. The review also demonstrates the effectiveness and methods of combining nanomaterials with naturally occurring or modified kaolinite, as well as the limitations of kaolinite's present application and the mechanics underlying adsorption, catalytic, photocatalytic techniques and pollutant removal.</div></div>","PeriodicalId":73541,"journal":{"name":"JCIS open","volume":"20 ","pages":"Article 100153"},"PeriodicalIF":0.0,"publicationDate":"2025-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145020663","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Exploring the potential antibacterial mechanism of the goose eggshell-derived CaO nanoparticles for deactivation of pharmaceutical wastages and bacteria 探讨鹅蛋壳制备的氧化钙纳米颗粒对药物废物和细菌失活的潜在抑菌机制

JCIS open Pub Date : 2025-08-27 DOI: 10.1016/j.jciso.2025.100151

Priyanshu Kumar Singh , J. Sunil

{"title":"Exploring the potential antibacterial mechanism of the goose eggshell-derived CaO nanoparticles for deactivation of pharmaceutical wastages and bacteria","authors":"Priyanshu Kumar Singh , J. Sunil","doi":"10.1016/j.jciso.2025.100151","DOIUrl":"10.1016/j.jciso.2025.100151","url":null,"abstract":"<div><div>Environmental contamination caused by pharmaceutical residues and textile dye effluents poses significant challenges due to their chemical stability, toxicity, and resistance to conventional treatment methods. This study investigates the green synthesis of calcium oxide (CaO) NPS derived from goose eggshells via thermal decomposition at 900 °C, and evaluates their efficacy in photocatalytic degradation and antibacterial applications. Comprehensive characterization using XRD, FTIR, FESEM, UV–Vis studies confirmed the successful formation of phase-pure, highly crystalline CaO NPS with an average particle size of 47.9 nm and a direct optical bandgap of 3.41 eV. The photocatalytic performance of the synthesized CaO Nanoparticles (NPs) was assessed through the degradation of Safranin dye (a model cationic dye) and the pharmaceutical compound Paracetamol under natural sunlight. The NPS achieved degradation efficiencies of 97.43 % for Safranin and 91.25 % for Paracetamol, following pseudo-first-order kinetics. The degradation rate constant for Safranin (2.896 × 10<sup>−2</sup> min<sup>−1</sup>) was higher than that for Paracetamol (1.551 × 10<sup>−2</sup> min<sup>−1</sup>), likely due to more favourable adsorption and stronger electrostatic interactions between the cationic dye molecules and the negatively charged CaO surface. In addition to their photocatalytic properties, the CaO NPS demonstrated significant antibacterial activity, particularly against Gram-positive <em>Staphylococcus aureus</em>, with a maximum zone of inhibition of 19.4 mm. The enhanced antibacterial performance is attributed to the nanoscale size, high surface reactivity, and the alkaline nature of CaO, which collectively disrupt bacterial membrane integrity. Overall, this work underscores the potential of bio-waste-derived CaO NPS as an environmentally sustainable, cost-effective, and multifunctional material for the dual purpose of wastewater remediation and microbial control.</div></div>","PeriodicalId":73541,"journal":{"name":"JCIS open","volume":"19 ","pages":"Article 100151"},"PeriodicalIF":0.0,"publicationDate":"2025-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144913361","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effect of pH on photocatalytic degradation of methylene blue in water by facile hydrothermally grown TiO2 nanoparticles under natural sunlight pH对自然光照下易水热生长TiO2纳米颗粒光催化降解水中亚甲基蓝的影响

JCIS open Pub Date : 2025-08-26 DOI: 10.1016/j.jciso.2025.100150

Uttama Kumar Saint , Suresh Chandra Baral , Dilip Sasmal , P. Maneesha , Sayak Datta , Farzana Naushin , Somaditya Sen

{"title":"Effect of pH on photocatalytic degradation of methylene blue in water by facile hydrothermally grown TiO2 nanoparticles under natural sunlight","authors":"Uttama Kumar Saint , Suresh Chandra Baral , Dilip Sasmal , P. Maneesha , Sayak Datta , Farzana Naushin , Somaditya Sen","doi":"10.1016/j.jciso.2025.100150","DOIUrl":"10.1016/j.jciso.2025.100150","url":null,"abstract":"<div><div>Each year, the production of synthetic dye wastewater reaches a trillion tons. This poses a significant global challenge of water scarcity. Hence, wastewater must be treated to reverse to useable water and prevent water scarcity. Failing to achieve this reversal increases ecotoxicological risks and human health. Textile wastewater contains harmful dyes. Photocatalytic degradation of these dye-contaminated wastewater is one of the major pathways in achieving reversal. However, this process is time-consuming, requires high-power lamps, and is expensive. Here, we report the effect of TiO<sub>2</sub> nanostructures prepared by facile hydrothermal synthesis on the dye degradation of one of the most common industrial textile dyes, methylene blue (MB), under natural sunlight. The impact of particle size on the photocatalytic activity and photocarrier migration rate was thoroughly examined. The size and surface morphology of the TiO<sub>2</sub> nanostructures depended on the concentration of the precursor during synthesis. Also, the effect of the pH of the dye solution on adsorption and photocatalytic degradation has been evaluated. With several optimized conditions, almost complete dye degradation was achieved within 40 min under the direct illumination of natural sunlight. The enhanced photocatalytic performance could correlate to the synergetic effect of a higher charge transfer mechanism, good catalytically active surface area availability (386 m<sup>2</sup>/g), and several optimized parameters that affect the reaction efficacy. Additionally, repeated use of NPs (five times) without sacrificing performance confirmed their stability and sustainability as a promising candidate for large-scale industrial textile wastewater remedies.</div></div>","PeriodicalId":73541,"journal":{"name":"JCIS open","volume":"19 ","pages":"Article 100150"},"PeriodicalIF":0.0,"publicationDate":"2025-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144921838","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

JCIS open最新文献