Journal of Sol-Gel Science and Technology最新文献

{"title":"Hybrid nitrogen-doped graphene-supported MoS2 nanosheets with synergistic effect for high-performance supercapacitor electrodes","authors":"Nithyialakshmi Ravindran,&nbsp;M. Sookhakian,&nbsp;Goh Boon Tong,&nbsp;Y. Alias","doi":"10.1007/s10971-025-06762-0","DOIUrl":"10.1007/s10971-025-06762-0","url":null,"abstract":"<div><p>Efficient supercapacitor electrodes have been developed from a nitrogen-doped graphene-molybdenum disulfide composite (NG/MoS₂) with varying NG concentrations fabricated on nickel foil electrodes. The successful synthesis of NG and MoS₂ nanosheets was confirmed through Raman spectroscopy, X-ray diffraction (XRD), and X-ray photoelectron spectroscopy (XPS). At the same time, the morphology was studied using FESEM and TEM. The influence of varying NG concentrations on the electrochemical properties of the MoS₂ nanosheets was investigated. The composite containing 1% NG achieved a maximum specific capacitance of 897.6 F/g at a current density of 1 A g⁻¹, surpassing the electrochemical performance of pristine MoS₂, which had a capacitance of 291.1 F/g under the same conditions. This improvement arises from the synergistic interaction between superior catalytic properties found in the MoS₂ nanosheets and conductivity provided by the addition of NG, which was confirmed through electrochemical impedance spectroscopy (EIS). In conclusion, this work may offer a way to fabricate supercapacitor electrodes with improved specific capacitance and energy density for energy storage.</p><h3>Graphical Abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":664,"journal":{"name":"Journal of Sol-Gel Science and Technology","volume":"114 3","pages":"983 - 996"},"PeriodicalIF":2.3,"publicationDate":"2025-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144091023","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparative study of the Cu-TiO2 nanostructures obtained by sol-gel and microwave assisted sol-gel methods","authors":"Luminița Predoană,&nbsp;Jeanina Pandele-Cușu,&nbsp;Irina Atkinson,&nbsp;Simona Petrescu,&nbsp;Oana Cătălina Mocioiu,&nbsp;Daniela C. Culiță,&nbsp;Dániel Attila Karajz,&nbsp;Vincent Otieno Odhiambo,&nbsp;Hamsasew Hankebo Lemago,&nbsp;Ana Paula Barreto Gomes,&nbsp;Zalán István Várady,&nbsp;Marcell Bohus,&nbsp;Ruxandra M. Costescu,&nbsp;Imre M. Szilágyi,&nbsp;György Pokol,&nbsp;Maria Zaharescu","doi":"10.1007/s10971-025-06757-x","DOIUrl":"10.1007/s10971-025-06757-x","url":null,"abstract":"<div><p>In this study, pristine TiO₂ and Copper (Cu)-doped TiO₂ nanopowders were synthesized using two sol-gel methods: conventional sol-gel (SG) and microwave-assisted sol-gel (MW). The aim was to investigate the effect of the synthesis route and Cu doping on the structural, optical, and photocatalytic properties of TiO₂. X-ray diffraction (XRD) analysis confirmed the formation of anatase TiO₂ in all samples, with a minor presence of rutile observed in the samples obtained by the MW method. Scanning electron microscopy (SEM) coupled with energy-dispersive X-ray analysis (EDX) showed that the nanopowders obtained by the MW method exhibited a greater tendency for particle aggregation compared to those obtained through the SG method. The presence of Cu²⁺/Cu⁺ species in the samples was confirmed by X-ray photoelectron spectroscopy (XPS). UV-Vis reflectance measurements revealed a shift in the absorption edge of the 5% Cu-doped samples toward the visible light range, significantly reducing the band gap. Evaluation of photocatalytic activity demonstrated that doping TiO₂ with 5% Cu enhanced the degradation of Congo Red dye under visible light.</p><h3>Graphical Abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":664,"journal":{"name":"Journal of Sol-Gel Science and Technology","volume":"114 3","pages":"965 - 982"},"PeriodicalIF":2.3,"publicationDate":"2025-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144091175","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Inverted reversible thermochromic and thermal insulation performances of K2O·nSiO2-based fire-resistant glass","authors":"Leilei Xin,&nbsp;Yuran Qiao,&nbsp;Yuanchun Mu,&nbsp;Tiantian Meng,&nbsp;Zhiqi He,&nbsp;Xiaoyu Li","doi":"10.1007/s10971-025-06754-0","DOIUrl":"10.1007/s10971-025-06754-0","url":null,"abstract":"<p>K₂O·nSiO₂-based laminated fire-resistant glass with inverted reversible thermochromic (IRTC) performance was prepared by in-situ reaction method using a high solid content (55 wt% ± 1 wt%) SiO₂ sol and introducing NH₄⁺ by doping with NH₄HCO₃. The structure, morphology, thermochromic and optical performances of these materials were studied in detail and characterized. The microporous structure formed by the addition of NH₄HCO₃ was clearly observed using scanning electron microscopy (SEM), This structure increased the number of micropores and enhanced thermal insulation by extending heat transfer pathways. By analyzing the differences in light transmission intensity (T), the thermochromic mechanism of the material was elucidated. The combination of Derivative thermogravimetry (DTG) and Raman spectroscopy revealed that the addition of NH₄HCO₃ resulted in the difference of the distribution percentage of silica bridged oxygen atoms in the samples, indicating that the NH₄HCO₃ was the key factor enabling the inverted reversible thermochromic (IRTC) performance of the K₂O·nSiO₂-based material. This work provides a novel strategy and preparation method for t for developing the thermochromic smart fire-resistant windows.</p>","PeriodicalId":664,"journal":{"name":"Journal of Sol-Gel Science and Technology","volume":"114 3","pages":"950 - 964"},"PeriodicalIF":2.3,"publicationDate":"2025-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144091085","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Cerium-substituted ({rm{Ba}}{{rm{Ce}}}_{{rm{x}}}{{rm{Fe}}}_{2-{rm{x}}}{{rm{O}}}_{4}) ferrites: synthesis, optical and magnetic properties for optoelectronic and photovoltaic applications","authors":"Muhammad Asif,&nbsp;Rehan Saeed,&nbsp;Muhammad Usama,&nbsp;Mian Muhammad Rafay,&nbsp;Usman Ahmad,&nbsp;Safdar Ali","doi":"10.1007/s10971-025-06755-z","DOIUrl":"10.1007/s10971-025-06755-z","url":null,"abstract":"<div><p>The demand for advanced materials with customizable properties is essential for meeting the needs of next-generation optoelectronic, photocatalytic, and photovoltaic technologies. In this study, <span>({rm{Ba}}{{rm{Ce}}}_{{rm{x}}}{{rm{Fe}}}_{2-{rm{x}}}{{rm{O}}}_{4})</span> (x = 0.00, 0.02, 0.04, 0.06) ferrites were successfully synthesized using the sol–gel auto-combustion technique, and the effects of cerium substitution on their structural, optical, and magnetic properties were comprehensively investigated. X-ray diffraction analysis confirmed an increase in lattice parameters and unit cell volume, coupled with a reduction in crystallite size from 65.62 nm to 51.41 nm, reflecting Ce-induced lattice distortions. FTIR spectroscopy revealed shifts in absorption bands, suggesting enhanced vibrational stability and strengthened metal-oxygen bonds. Optical studies indicated a significant increase in bandgap energy from 1.69 eV to 2.16 eV, alongside systematic variations in refractive index and reflectivity, demonstrating improved optical transparency and tunable optical dielectric behavior. Magnetic measurements highlighted a decrease in saturation magnetization (Ms) and complex coercivity behavior influenced by disrupted magnetic interactions and anisotropy. These results underline the potential of <span>({rm{Ba}}{{rm{Ce}}}_{{rm{x}}}{{rm{Fe}}}_{2-{rm{x}}}{{rm{O}}}_{4})</span> ferrites for applications in optoelectronic devices, photocatalysis, and photovoltaic systems.</p><h3>Graphical Abstract</h3><div><figure><div><div><picture><source><img></source></picture></div><div><p>The above graphical abstract presents the sol–gel auto-combustion synthesis of BaCe_xFe_2-xO₄ (x = 0.00–0.06) ferrites and their structural, optical, and magnetic characterization. XRD, FTIR, UV-Vis, and VSM analyses confirm Ce-induced lattice expansion, bandgap modulation, and magnetic tuning. These modifications enhance their potential for optoelectronic, photocatalytic, and photovoltaic applications.</p></div></div></figure></div></div>","PeriodicalId":664,"journal":{"name":"Journal of Sol-Gel Science and Technology","volume":"114 3","pages":"934 - 949"},"PeriodicalIF":2.3,"publicationDate":"2025-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144091209","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Enhancing textile properties using nanotechnology and 3D printing process","authors":"Rosa Taurino,&nbsp;Maria Cannio,&nbsp;Stefano Martinuzzi,&nbsp;Stefano Caporali,&nbsp;Francesca Borgioli,&nbsp;Emanuele Galvanetto,&nbsp;Dino Boccaccini","doi":"10.1007/s10971-025-06749-x","DOIUrl":"10.1007/s10971-025-06749-x","url":null,"abstract":"<div><p>This study explores the application of chitosan-based sol–gel coatings on textile fabrics to achieve multifunctional surfaces with enhanced hydrophobicity and stain resistance. Sol–gel solutions were prepared using chitosan, vinyltrimethoxysilane (VTMS), and tetraethyl orthosilicate (TEOS), with concentrations of 2 wt% and 5 wt%. Additionally, the effect of UV curing was investigated. The coatings were applied to pure cotton and synthetic polyester fabrics using dip-coating and digital deposition techniques. To ensure uniform deposition in the printing process, key solution properties including viscosity, density, and surface tension were optimized. The chemical and physical characteristics of the coatings were analyzed through FTIR and DSC, while SEM imaging, color measurements, water contact angle assessments, and stain and abrasion resistance tests were conducted to evaluate their impact on textile properties. The results demonstrated significant improvements in hydrophobicity, with water contact angles reaching up to 120° compared to non-functionalized textiles. The coatings also enhanced stain and abrasion resistance, exhibiting low friction coefficients and minimal degradation after multiple washing cycles. In the final phase of the study, we investigated the integration of the sol–gel technique with 3D inkjet printing to create films with a more uniform structure while preserving the hydrophobic properties of the coatings. These findings highlight the feasibility of using chitosan-based sol–gel solutions for textile functionalization, offering promising results for both conventional and digital application methods. This approach paves the way for advanced, eco-friendly, and multifunctional textile coatings.</p><h3>Graphical Abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":664,"journal":{"name":"Journal of Sol-Gel Science and Technology","volume":"114 3","pages":"916 - 933"},"PeriodicalIF":2.3,"publicationDate":"2025-04-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10971-025-06749-x.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144091206","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Cu-doping and Au-decoration of ZnO nanoparticles prepared by a rapid and simple one-pot modified sol–gel process: microstructure and photocatalytic properties","authors":"Mohamed Ali Saidani,&nbsp;Anis Fkiri,&nbsp;Riadh Marzouki,&nbsp;Tariq Altalhi,&nbsp;Amine Mezni","doi":"10.1007/s10971-025-06753-1","DOIUrl":"10.1007/s10971-025-06753-1","url":null,"abstract":"<div><p>The present study reports a rapid and simple one-pot modified sol–gel process to prepare a hybrid Cu-doped Au@ZnO nanocomposite. Dimethyl sulfoxide (DMSO) was used as a solvent which plays a crucial role in elaborating this hybrid nanocomposite without any surfactant or ligand. Characterization techniques, including XRD, TEM, and UV–Visible highlighted the critical role of Cu in enhancing the photocatalytic activity of the sample. On the other hand, experimental studies on the structural, microstructural, and optical properties of the obtained nanomaterial have been reported. The resultant hybrid Cu-doped Au/ZnO heterostructures exhibit excellent photocatalytic activity in the photodegradation of diuron under UV light irradiation, which is much higher than Au/ZnO heterostructures. The performance of the prepared photocatalyst can be also attributed to the simple experimental protocol which generated highly pure nanoparticles with controllable size and shape. We expected that this method could be developed to prepare more semiconductor nanomaterials for different applications.</p><h3>Graphical Abstract</h3><div><figure><div><div><picture><img></picture></div></div></figure></div></div>","PeriodicalId":664,"journal":{"name":"Journal of Sol-Gel Science and Technology","volume":"114 3","pages":"895 - 902"},"PeriodicalIF":2.3,"publicationDate":"2025-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144091169","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Polyoxometalates based organic–inorganic nanohybrids. Synthesis, characterization and catalytic application of CeIV sandwich and Preyssler-type polyoxometalates hybrids","authors":"Parastou Gharaei,&nbsp;Somayeh Molaei,&nbsp;Roushan Khoshnavazi","doi":"10.1007/s10971-025-06747-z","DOIUrl":"10.1007/s10971-025-06747-z","url":null,"abstract":"<div><p>Organic–inorganic hybrids were successfully synthesized by a simple ion self-assembly (ISA) method of H₂[P₂W₁₈Ce₃(H₂O)₂O₇₁]¹⁰⁻ (PWCe), and [Na(H₂O)P₅W₃₀O₁₁₀]¹⁴⁻ (P₅W₃₀) polyoxometalates with <i>p</i>-Phenylenediamine (PPD). The nanohybrids and their products obtained by calcination (400 °C, 2 h) were characterized by FTIR, XRD, SEM/EDS, DTGA and BET analysis. The catalytic efficiency of organic–inorganic nanohybrids were examined in degradation of some synthetic pollutants. The results showed that the PWCe based nanohybrids have very much efficiency toward degradation of synthetic pollutants compared of P₅W₃₀ based nanohybrids. Of these, the results confirmed that snowball PWCe nanocompposite obtained by calcination show even more efficiency. It was unveiled that snowball PWCe nanocomposite exhibited an outstanding catalytic activity higher than 90.0% MB, RhB, CR, EBT and 75.0% TC degradation efficiency within 12−40 min. Further investigations revealed that, the structure of the polyoxometalates, PWCe and P₅W₃₀ have changed due to calcination and tissue quality of nanohybrids has improved.</p><h3>Graphical Abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":664,"journal":{"name":"Journal of Sol-Gel Science and Technology","volume":"114 3","pages":"903 - 915"},"PeriodicalIF":2.3,"publicationDate":"2025-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144091168","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Composite materials from N-doped porous carbon and CoSe2 as excellent electrocatalysts for the hydrogen evolution reaction","authors":"Xinsheng Lu,&nbsp;Xingyu Xu,&nbsp;Qirui Kang,&nbsp;Rong Li,&nbsp;Ruhu Gou,&nbsp;Jinning Dang,&nbsp;Boqu Liu,&nbsp;Jinhui Tong","doi":"10.1007/s10971-025-06740-6","DOIUrl":"10.1007/s10971-025-06740-6","url":null,"abstract":"<div><p>In this work, the composites of CoSe₂ coating on N-doped porous carbon material (denoted as NPC) have been prepared by sol-gel method, and the loading amount was optimized. The results indicate that the activities of the composite catalysts have been greatly improved compared to each component thanks to the improvement of conductivity and dispersibility. Especially, the optimized catalyst CoSe₂/NPC-75 exhibited excellent HER catalytic performance under alkaline conditions, achieving a current density of 10 mA/cm² with only 74 mV of overpotential. This performance can be compared to precious Pt/C (20%) catalyst and is also superior to many highly-active analogous catalysts reported. The exceptional catalytic performance is attributed to the synergistic effects between CoSe₂ and NPC, and the electronic structure modifications induced by the N-doped carbon support. These innovations improve catalytic activity, durability, and charge transfer kinetics. This study highlights the potential of combining sol-gel synthesis, electrocatalysis, and nanomaterials engineering to develop cost-effective, high-performance electrocatalysts for hydrogen production.</p><h3>Graphical Abstract</h3><div><figure><div><div><picture><source><img></source></picture></div><div><p>The composites of CoSe₂ coating on N-doped porous graphitized carbon material have been prepared by simple sol-gel method. The composite was endowed greatly improved conductivity and dispersibility. Furthermore, electronic structure modifications were induced by the N-doped carbon support. Thanks to the above factors, the optimized catalyst exhibited excellent electrocatalytic activity for hydrogen evolution reaction comparable to that of Pt/C (20%) under alkaline conditions.</p></div></div></figure></div></div>","PeriodicalId":664,"journal":{"name":"Journal of Sol-Gel Science and Technology","volume":"114 3","pages":"885 - 894"},"PeriodicalIF":2.3,"publicationDate":"2025-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144091077","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Correction to: Sol-gel technologies for additive manufacturing glass materials","authors":"Monisha Murthi,&nbsp;Joel F. Destino","doi":"10.1007/s10971-025-06743-3","DOIUrl":"10.1007/s10971-025-06743-3","url":null,"abstract":"","PeriodicalId":664,"journal":{"name":"Journal of Sol-Gel Science and Technology","volume":"114 3","pages":"1137 - 1137"},"PeriodicalIF":2.3,"publicationDate":"2025-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10971-025-06743-3.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144091040","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Synthesis and characterization of sol-gel processed GO/NiO hybrid composites for gas sensing and photocatalytic applications","authors":"Agnes C. Nkele,&nbsp;Adil Alshoaibi,&nbsp;Femi D. Matthew,&nbsp;Chawki Awada,&nbsp;Shumaila Islam,&nbsp;Fabian I. Ezema","doi":"10.1007/s10971-025-06734-4","DOIUrl":"10.1007/s10971-025-06734-4","url":null,"abstract":"<div><p>This study focused on synthesizing and characterizing a hybrid composite of graphene oxide (GO) and nickel oxide (NiO) prepared by a sol-gel technique. The nanocomposite was characterized to investigate the structural, morphological, optical, chemical, electrical, photocatalytic, and gas-sensing properties via diverse techniques. These characterizations produced prominent crystalline peaks, a direct energy band gap value of 1.76 eV, characteristic absorption bands, and even distributed nanopebbles. The electrical and gas sensing measurements were conducted at 10 V and 100 ppm concentration under exposure to a liquefied petroleum gas (LPG). The composites showed high sensitivity to LPG at an operating temperature of 400 °C. Upon further exposure to methylene blue at an illumination intensity of 80 W/m², the composites exhibited more than 90 percent photocatalytic efficiency over a degradation period of 120 min. These results highlight the multifunctional capabilities of the synthesized hybrid nanocomposites, suggesting promising applications in gas sensing and photocatalytic degradation processes.</p><h3>Graphical Abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":664,"journal":{"name":"Journal of Sol-Gel Science and Technology","volume":"114 3","pages":"874 - 884"},"PeriodicalIF":2.3,"publicationDate":"2025-04-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144091020","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}