Surfaces and Interfaces最新文献_第3页

Antimicrobial nanocomposite gellan gum-based hydrogels as injectable and 3D-printable platforms for infected wound treatment 抗菌纳米复合结冷胶基水凝胶作为感染伤口治疗的可注射和3d打印平台

IF 6.3 2区材料科学

Surfaces and Interfaces Pub Date : 2025-10-03 DOI: 10.1016/j.surfin.2025.107783

Giuseppe Barberi , Calogero Fiorica , Fabio Salvatore Palumbo , David Bongiorno , Serena Indelicato , Valentina Catania , Francesco Tolomeo , Domenico Schillaci , Manlio Tolomeo , Giovanna Pitarresi

{"title":"Antimicrobial nanocomposite gellan gum-based hydrogels as injectable and 3D-printable platforms for infected wound treatment","authors":"Giuseppe Barberi , Calogero Fiorica , Fabio Salvatore Palumbo , David Bongiorno , Serena Indelicato , Valentina Catania , Francesco Tolomeo , Domenico Schillaci , Manlio Tolomeo , Giovanna Pitarresi","doi":"10.1016/j.surfin.2025.107783","DOIUrl":"10.1016/j.surfin.2025.107783","url":null,"abstract":"<div><div>A quaternized derivative of gellan gum (GG-EDA-GTMAC) was synthesized and employed to develop injectable and printable nanocomposite hydrogels incorporating silver nanoparticles (AgNPs). The specific physicochemical properties of the GG-EDA-GTMAC derivative enabled efficient synthesis and stabilization of AgNPs within the hydrogel matrix. The hydrogels demonstrated remarkable stability, resisting hydrolytic degradation with only ∼20 % weight loss over 14 days of incubation, and exhibited controlled silver release. A comprehensive study of the properties of nanocomposite hydrogels was conducted to evaluate their ease of formulation, injectability, safety, and broad-spectrum antimicrobial effectiveness. Rheological characterization highlighted shear-thinning and self-healing behavior, as well as sensitivity to ionic strength, ensuring good injectability and shape maintenance after injection. These properties enabled the successful 3D printing of the hydrogels into structures with various shapes and sizes, demonstrating excellent model fidelity and structural stability. Biological and microbiological evaluations confirmed cytocompatibility, hemocompatibility, and strong antimicrobial activity against Gram-positive and Gram-negative bacteria, <em>Candida albicans</em>, and protozoa, highlighting the multifunctional antimicrobial potential of the system. Collectively, these findings suggest the developed hydrogels as promising candidates for the treatment of wounds infected by a wide range of pathogens, including both bacterial and protozoan agents.</div></div>","PeriodicalId":22081,"journal":{"name":"Surfaces and Interfaces","volume":"75 ","pages":"Article 107783"},"PeriodicalIF":6.3,"publicationDate":"2025-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145270319","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Silver mirror-inspired conform immobilization of nano-Ag onto quartz fibers for point-of-use water disinfection 银镜启发的纳米银固定在石英纤维上用于点用水消毒

IF 6.3 2区材料科学

Surfaces and Interfaces Pub Date : 2025-10-02 DOI: 10.1016/j.surfin.2025.107782

Jiahui Fan , Yuheng Song , Zhou Sha , Yiran Ge , Xiurong Nie , Weiwei Zuo , Xiang Fei , Meifang Zhu

{"title":"Silver mirror-inspired conform immobilization of nano-Ag onto quartz fibers for point-of-use water disinfection","authors":"Jiahui Fan , Yuheng Song , Zhou Sha , Yiran Ge , Xiurong Nie , Weiwei Zuo , Xiang Fei , Meifang Zhu","doi":"10.1016/j.surfin.2025.107782","DOIUrl":"10.1016/j.surfin.2025.107782","url":null,"abstract":"<div><div>Pathogenic water contamination claims millions of lives annually, yet existing disinfection methods face inherent trade-offs between efficacy, cost, and sustainability. Here, we report a biomimetic strategy inspired by the silver mirror reaction to fabricate quartz fiber membranes with conformal silver nanoparticles (Ag NPs) immobilization (denoted QF@Ag). By leveraging hexamethylenediamine’s dual functionality as a reductant and stabilizer, we achieve site-specific Ag NPs growth (∼7 nm) via redox-mediated immobilization, ensuring stable and uniform nanoparticle distribution. The QF@Ag membrane demonstrates unprecedented antimicrobial efficacy in continuous-flow systems, achieving 99.95% removal of <em>Escherichia coli</em> (<em>E. coli</em>, log reduction value, LRV = 3.28) and 99.99% removal of <em>Staphylococcus aureus</em> (<em>S. aureus</em>, LRV = 5.13), both of which far exceed the WHO’s guidelines (LRV ≥ 3). More importantly, this work establishes a scalable and low-energy solution that synergizes material innovation with decentralized water treatment needs, potentially offering a transformative pathway to mitigate global microbial contamination.</div></div>","PeriodicalId":22081,"journal":{"name":"Surfaces and Interfaces","volume":"75 ","pages":"Article 107782"},"PeriodicalIF":6.3,"publicationDate":"2025-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145269991","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Engineering MXene based MWO4 (M = Cu, Ni, Co) catalysts for dual-functional photocatalysis: Insights into wastewater remediation and hydrogen production 基于MXene的MWO4 （M = Cu, Ni, Co）双功能光催化催化剂的工程研究：废水修复和制氢研究

IF 6.3 2区材料科学

Surfaces and Interfaces Pub Date : 2025-10-02 DOI: 10.1016/j.surfin.2025.107786

Nurseli Görener Erdem, Esra Bilgin Simsek

{"title":"Engineering MXene based MWO4 (M = Cu, Ni, Co) catalysts for dual-functional photocatalysis: Insights into wastewater remediation and hydrogen production","authors":"Nurseli Görener Erdem, Esra Bilgin Simsek","doi":"10.1016/j.surfin.2025.107786","DOIUrl":"10.1016/j.surfin.2025.107786","url":null,"abstract":"<div><div>In recent years, MXenes have gained considerable attention as emerging photocatalysts due to their unique physicochemical and optical properties. In the current study, Ti₃C₂ type MXene was successfully hybridized with transition metal tungstates (MWO<sub>4</sub>, M: Cu, Ni, Co) to fabricate novel composite photocatalysts. The synthesized materials were characterized using SEM/EDX, HR-TEM, XRD, XPS, AFM, EPR, UV–Vis DRS, FTIR, Raman, PL and electrochemical analyses. The influence of transition metal types on structural, optical, and photocatalytic properties was systematically examined. The incorporation of MWO<sub>4</sub> with MXene structure improved the light-harvesting capacity, charge separation efficiency, and electrochemical performance of the pristine counterparts. The enhancement was attributed to the synergy between MXene’s layered structure –providing high surface area– and the metal tungstates’ strong visible-light absorption. The photocatalytic performance was evaluated towards tetracycline degradation under visible light and the removal efficiencies of MX-CoW, MX-NiW and MX-CuW composites were found to be 1.2, 1.3 and 1.5 times higher than that of the pristine MXene. Furthermore, the composites displayed enhanced hydrogen evolution rates which were determined as 1997, 1947, and 1940 µmol/gcat.h, respectively. The improved photocatalytic performance was ascribed to Z-scheme charge transfer mechanism, which promoted spatial charge separation and suppressed the recombination of photoinduced carriers. Additionally, the composites demonstrated good recyclability over multiple reaction cycles. This study provides promising insight into the rational design of MXene-based heterostructures for integrated applications in environmental remediation and sustainable hydrogen production.</div></div>","PeriodicalId":22081,"journal":{"name":"Surfaces and Interfaces","volume":"75 ","pages":"Article 107786"},"PeriodicalIF":6.3,"publicationDate":"2025-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145269983","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Advancements, challenges, and future directions of photocatalytic advanced oxidation processes in environmental pollution remediation and energy conversion applications 光催化深度氧化技术在环境污染修复和能源转化中的应用进展、挑战和未来方向

IF 6.3 2区材料科学

Surfaces and Interfaces Pub Date : 2025-10-01 DOI: 10.1016/j.surfin.2025.107731

Lu Liu , Jialin Wang , Tingxuan Zhao , Xingwei Du , Jun Zhang , Zhengda Lin

{"title":"Advancements, challenges, and future directions of photocatalytic advanced oxidation processes in environmental pollution remediation and energy conversion applications","authors":"Lu Liu , Jialin Wang , Tingxuan Zhao , Xingwei Du , Jun Zhang , Zhengda Lin","doi":"10.1016/j.surfin.2025.107731","DOIUrl":"10.1016/j.surfin.2025.107731","url":null,"abstract":"<div><div>This paper reviews recent advancements, challenges, and future directions of photocatalytic advanced oxidation processes (P-AOPs) in environmental remediation and energy conversion. P-AOPs, an efficient green technology, degrade organic pollutants in water and air using oxidative species generated by photocatalysts under light. It also shows potential in energy conversion, like hydrogen production and carbon dioxide reduction. Recent achievements include novel photocatalyst designs, reaction mechanism research, efficiency enhancements, and system optimization. However, challenges like catalyst stability, light energy utilization, and pollutant selectivity remain. Future focus will be on innovative materials, reaction mechanism exploration, and system optimization. By developing efficient, stable photocatalysts and optimizing conditions, P-AOPs aim for wider application. Interdisciplinary collaboration and integrated technology use will support green, sustainable environmental governance and energy utilization. This paper guides further research and application of P-AOPs.</div></div>","PeriodicalId":22081,"journal":{"name":"Surfaces and Interfaces","volume":"74 ","pages":"Article 107731"},"PeriodicalIF":6.3,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145222746","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Fabrication of high-performance flexible conductive carbon fiber films via two-step mild synergistic surface modification 两步温和协同表面改性制备高性能柔性导电碳纤维薄膜

IF 6.3 2区材料科学

Surfaces and Interfaces Pub Date : 2025-10-01 DOI: 10.1016/j.surfin.2025.107741

Xiaolin Zhang , Jiangtao Dang , Bin Cai , Xinmei Liu , Xinyue Ma , Qian Luo , Qingxian Miao

{"title":"Fabrication of high-performance flexible conductive carbon fiber films via two-step mild synergistic surface modification","authors":"Xiaolin Zhang , Jiangtao Dang , Bin Cai , Xinmei Liu , Xinyue Ma , Qian Luo , Qingxian Miao","doi":"10.1016/j.surfin.2025.107741","DOIUrl":"10.1016/j.surfin.2025.107741","url":null,"abstract":"<div><div>This study employed a two-step mild synergistic modification for carbon fibers (CF) and, subsequently, solution casting to fabricate a flexible CF/DPWF/PVA conductive film with excellent performance from carbon fibers, digital printing waste paper fibers (DPWF), and polyvinyl alcohol (PVA). The results demonstrate that the grafting treatment with Meldrum's acid and maleic acid causes negligible damage to CF properties, while the carboxyl group content on CF surfaces increases by over 50 %, enhancing the interfacial bonding between CF and PVA matrix and thereby significantly improving the electrical conductivity and mechanical properties of the films. After adding carbon nanotubes, nano-TiC, and micron-sized silver powders, the thermal stability of CF decreases, while its specific surface area expands. The presence of conductive particles enhances the film's electrical conductivity; however, poor interfacial bonding with CF partially compromises the mechanical properties. Compared to unmodified conductive films, the modified films exhibit stronger bonding between CF and the PVA matrix, while the maximum improvement in electrical conductivity exceeds 200 times, and a maximum tensile strength improvement exceeding 40 %. This study provides valuable insights for CF surface modification strategies and the extended applications of CF/digital printing waste paper composites.</div></div>","PeriodicalId":22081,"journal":{"name":"Surfaces and Interfaces","volume":"74 ","pages":"Article 107741"},"PeriodicalIF":6.3,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145221607","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Eco-friendly synthesis of manganese dioxide nanoparticles using phyllanthus acidus leaf: Assessing their potential photocatalytic activity against organic dyes 用余叶酸梅叶环保合成二氧化锰纳米颗粒：评估其对有机染料的潜在光催化活性

IF 6.3 2区材料科学

Surfaces and Interfaces Pub Date : 2025-10-01 DOI: 10.1016/j.surfin.2025.107716

Palani Karthik , B. Mirunya , Balakrishnan Ayyalsamy , S.P. Shanmugapriya , Jegathalaprathaban Rajesh

{"title":"Eco-friendly synthesis of manganese dioxide nanoparticles using phyllanthus acidus leaf: Assessing their potential photocatalytic activity against organic dyes","authors":"Palani Karthik , B. Mirunya , Balakrishnan Ayyalsamy , S.P. Shanmugapriya , Jegathalaprathaban Rajesh","doi":"10.1016/j.surfin.2025.107716","DOIUrl":"10.1016/j.surfin.2025.107716","url":null,"abstract":"<div><div>In this research, an eco-friendly, cost-effective, and straightforward method was employed for the green synthesis of manganese dioxide nanoparticles (MnO<sub>2</sub> NPs) using <em>Phyllanthus acidus</em> (PA) leaf extract as a natural reducing and stabilizing agent. Fourier-transform infrared (FTIR) spectroscopy confirmed the presence of functional groups from the plant extract, indicating their role in MnO<sub>2</sub> NPs formation. UV–Vis spectroscopy exhibited an absorption peak at 345 nm, corresponding to the band gap of the synthesized PA-MnO<sub>2</sub> NPs. X-ray diffraction (XRD) analysis validated the crystalline nature and phase of the obtained PA-MnO<sub>2</sub> NPs. Brunauer-Emmett-Teller (BET) analysis further revealed a high specific surface area of 68.769 m<sup>2</sup>/g, which enhances the surface active sites available for catalytic reactions. Notably, the synthesized nanoparticles demonstrated remarkable catalytic activity in degrading organic dyes. Under visible light irradiation, MnO<sub>2</sub> NPs facilitated the degradation of Congo Red (CR) with an efficiency of 84.42 % in 90 min. Additionally, they exhibited superior performance in degrading Malachite Green (MG), achieving an 87.43 % degradation efficiency within the same duration. These findings emphasize the potential of green-synthesized MnO<sub>2</sub> NPs as an efficient and sustainable alternative for wastewater treatment and dye pollutant remediation.</div></div>","PeriodicalId":22081,"journal":{"name":"Surfaces and Interfaces","volume":"74 ","pages":"Article 107716"},"PeriodicalIF":6.3,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145221606","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Unlocking the potential of zinc phosphate nanoplatelets for alkyd coating formulation with advanced anti-corrosive protection at reduced pigment content 释放磷酸锌纳米片在醇酸涂料配方中的潜力，在降低颜料含量的情况下提供先进的防腐保护

IF 6.3 2区材料科学

Surfaces and Interfaces Pub Date : 2025-10-01 DOI: 10.1016/j.surfin.2025.107747

Dusan Navratil , Sadegh Mahvidi , Jan Antos , Ali Can Guler , Pavol Suly , Michal Urbanek , Milan Masar , Eva Domincova Bergerova , Michal Machovsky , Ivo Kuritka

{"title":"Unlocking the potential of zinc phosphate nanoplatelets for alkyd coating formulation with advanced anti-corrosive protection at reduced pigment content","authors":"Dusan Navratil , Sadegh Mahvidi , Jan Antos , Ali Can Guler , Pavol Suly , Michal Urbanek , Milan Masar , Eva Domincova Bergerova , Michal Machovsky , Ivo Kuritka","doi":"10.1016/j.surfin.2025.107747","DOIUrl":"10.1016/j.surfin.2025.107747","url":null,"abstract":"<div><div>Novel zinc phosphate 2D nanoplatelets (ZPnp) were prepared by direct precipitation followed by a nano-milling process, effectively utilizing the preferential fragmentation of the lamellar precursor into thin platelets. The XRD analysis identified hopeite (Zn<sub>3</sub>(PO<sub>4</sub>)<sub>2</sub>·4H<sub>2</sub>O) as the crystalline phase, while SEM/TEM revealed rectangular, plate-like particles with lateral dimensions below 100 nm. DLS enabled tracking of the milling process, and BET was used to confirm the nanoscale character of ZPnp. The effect of incorporating 1.6 wt.% nano-milled ZPnp slurry (40 wt.% solids) into a mixed urethane–alkyd (UreAlkyd) topcoat on barrier (passive) and active-healing performance was compared with that of a coating containing 4 wt.% commercial Al-treated zinc phosphate (ZPA) micropowder. The performance of the coatings was assessed using EIS and directly compared through standard salt-spray testing. Ion release was quantified by AAS in saline solutions at different pH values. It was found that the more compact/denser inhibitive layer formation observed in long-term exposures for ZPnp prevails over the relatively better active-site-blocking effect of the commercial ZPA at initial immersion times. The ZPnp-containing formulation exhibited higher corrosion resistance, along with lower capacitance, in both artificially scratched and intact coatings compared to the commercial ZPA-containing sample. Hence, the development of a superior active/barrier anti-corrosion protection system that possesses prolonged healing activity at more than six times lower anti-corrosion pigment content was demonstrated.</div></div>","PeriodicalId":22081,"journal":{"name":"Surfaces and Interfaces","volume":"74 ","pages":"Article 107747"},"PeriodicalIF":6.3,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145221608","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","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 low speed-wire electrical discharge machining strategy on surface roughness and quality of laser cladding Ni204 低速线材电火花加工策略对激光熔覆Ni204表面粗糙度和质量的影响

IF 6.3 2区材料科学

Surfaces and Interfaces Pub Date : 2025-10-01 DOI: 10.1016/j.surfin.2025.107742

Wenzheng Wu , Min Zhao , Xiong Zhu , Wenda Song , Yu Zhao , Tianbiao Yu

{"title":"Influence of low speed-wire electrical discharge machining strategy on surface roughness and quality of laser cladding Ni204","authors":"Wenzheng Wu , Min Zhao , Xiong Zhu , Wenda Song , Yu Zhao , Tianbiao Yu","doi":"10.1016/j.surfin.2025.107742","DOIUrl":"10.1016/j.surfin.2025.107742","url":null,"abstract":"<div><div>To address the key issues of surface accuracy and interface bonding in rack remanufacturing, this study proposes a remanufacturing strategy that couples laser directed energy deposition (L-DED) with low-speed wire electrical discharge machining (LS-WEDM). The effects of the machining strategy on the surface roughness, metamorphic layer thickness, and subsurface grain size of Ni204 layers were systematically investigated. Four machining strategies were designed, namely: rough cutting (RC), RC + trimming 1 (T1), RC + T1 + trimming 2 (T2), and RC + T1 + T2 + fine cutting (FC). The surface roughness of procedure 1 is 4.173 μm, while that of procedure 4 is reduced to 0.634 μm. By regulating the energy input of machining steps in each procedure, the average size of subsurface grains is reduced by 18.4 %; this regulation also promotes directional grain growth, with the proportion of low-angle grain boundaries increasing from 25 % to 45 %. Additionally, a 2.61 μm elemental buffer zone is formed at the interface via Ni-Fe interdiffusion, and the bending strength reaches 1375.8 MPa (quenched and tempered 45# steel, bending strength ranges from 900 – 1200 MPa). This study provides a process basis for the high-precision remanufacturing of complex components.</div></div>","PeriodicalId":22081,"journal":{"name":"Surfaces and Interfaces","volume":"74 ","pages":"Article 107742"},"PeriodicalIF":6.3,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145222747","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Selective oxidation of styrene over graphitic carbon nitride (C3N4) supported nano Co3O4 particles catalyst and the mechanism investigation 负载纳米Co3O4的石墨氮化碳（C3N4）催化剂选择性氧化苯乙烯及其机理研究

IF 6.3 2区材料科学

Surfaces and Interfaces Pub Date : 2025-10-01 DOI: 10.1016/j.surfin.2025.107780

Chaoyang Wang , Xin Ma , Yun Zhao , Miaomiao Jin , Pingyi Zhang , Haifang Mao , Jibo Liu

{"title":"Selective oxidation of styrene over graphitic carbon nitride (C3N4) supported nano Co3O4 particles catalyst and the mechanism investigation","authors":"Chaoyang Wang , Xin Ma , Yun Zhao , Miaomiao Jin , Pingyi Zhang , Haifang Mao , Jibo Liu","doi":"10.1016/j.surfin.2025.107780","DOIUrl":"10.1016/j.surfin.2025.107780","url":null,"abstract":"<div><div>Aromatic aldehydes and epoxides, synthesized through catalytic oxidation of olefins, are important intermediates in pharmaceuticals, fragrances, and resins. However, efficient and selective oxidation of olefins remains a significant challenge. In this work, a Co<sub>3</sub>O<sub>4</sub> nanoparticle-loaded graphitic carbon nitride (C<sub>3</sub>N<sub>4</sub>) catalyst was developed for the selective oxidation of styrene using tert‑butyl hydroperoxide (TBHP) as the oxidant. The Co-C<sub>3</sub>N<sub>4</sub>–15 catalyst achieved a styrene conversion of 94.6 % and product selectivity of 96.4 %. DFT calculations indicated that the activation energy for styrene oxide formation was significantly lower compared to benzaldehyde, which explained the higher selectivity for styrene oxide. This work demonstrates the potential of combining non-precious metal catalysts and green oxidants for sustainable chemical processes, offering a pathway to reduce reliance on high-energy industrial methods.</div></div>","PeriodicalId":22081,"journal":{"name":"Surfaces and Interfaces","volume":"75 ","pages":"Article 107780"},"PeriodicalIF":6.3,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145223521","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

First-principles perspective on the enhanced photocatalytic performance of the direct Z-scheme ZnO/β-AsP heterostructure for water splitting 直接z型ZnO/β-AsP异质结构对水裂解光催化性能增强的第一性原理研究

IF 6.3 2区材料科学

Surfaces and Interfaces Pub Date : 2025-10-01 DOI: 10.1016/j.surfin.2025.107758

Yong Tang , Yanan Wu , Xiangli Zhong , Haizi Yao , Benyuan Ma , Yuanyuan Chen , Meiping Liu

{"title":"First-principles perspective on the enhanced photocatalytic performance of the direct Z-scheme ZnO/β-AsP heterostructure for water splitting","authors":"Yong Tang , Yanan Wu , Xiangli Zhong , Haizi Yao , Benyuan Ma , Yuanyuan Chen , Meiping Liu","doi":"10.1016/j.surfin.2025.107758","DOIUrl":"10.1016/j.surfin.2025.107758","url":null,"abstract":"<div><div>Direct Z-scheme heterostructure-based catalysts are highly desirable for hydrogen generation through photocatalytic water splitting. In this work, a direct Z-scheme ZnO/β-AsP heterostructure is theoretically proposed, and its photocatalytic performance is investigated using the first-principles method. The synergistic effects of reduced bandgap, improved light absorption, enhanced carrier mobility, and lowered exciton binding energy in ZnO/β-AsP heterostructure contribute to its superior optoelectronic properties. The strong built-in electric field of ZnO/β-AsP heterostructure facilitates the spatial separation of photoexcited carriers, while its band edges straddle the redox potentials of water. The transfer of photoexcited carriers follows a Z-scheme pathway, enabling efficient carrier separation and robust redox capability. Furthermore, tensile strain engineering significantly optimizes the electronic structure of ZnO/β-AsP heterostructure, boosts light absorption, and fulfills the thermodynamic feasibility of overall water splitting. This theoretical study highlights ZnO/β-AsP heterostructure as a promising direct Z-scheme catalyst for solar-driven water splitting, providing valuable theoretical guidance for the design of high-performance direct Z-scheme photocatalysts.</div></div>","PeriodicalId":22081,"journal":{"name":"Surfaces and Interfaces","volume":"74 ","pages":"Article 107758"},"PeriodicalIF":6.3,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145222745","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0