Surface Innovations最新文献

{"title":"Enhanced photoelectrocatalytic performance of Ti4O7 ceramic electrodes loaded with PbO2 for wastewater degradation","authors":"Xinyu Li, Md Azharul Hossain, Zeqi Jiang, Yinghuan Fu, Hongchao Ma","doi":"10.1680/jsuin.23.00071","DOIUrl":"https://doi.org/10.1680/jsuin.23.00071","url":null,"abstract":"Photoelectrocatalytic oxidation technology (PEC) is considered to be an efficient process for the treatment of organic wastewater, and its performance depends on the characteristics of the PEC photoanodes. Therefore, the construction of heterogeneous nanostructured photoelectrodes based on suitable semiconductor materials for fast-induced carrier transfer efficiency is essential for the high-performance PEC technique. Herein, the Ti₄O₇/PbO₂ ceramic photoelectrode with efficient PEC performance was synthesized by coupling PbO₂ nanospheres with Ti₄O₇ via a hydrothermal method. To maximize the PEC performance of the ceramic electrodes, the Ti₄O₇/PbO₂ nano-heterostructures were optimized by modulating the hydrothermal temperature. The optimized ceramic electrodes possessed a low Tafel slope, low charge transfer resistance, and good photocurrent response.It exhibited efficient PEC activity (ca. 92.21 %) for the degradation of reactive brilliant blue KN-R. The efficient PEC performance of Ti₄O₇/PbO₂-110 arises from the formation of a type II heterojunction between Ti₄O₇ and PbO₂, which achieves efficient photogenerated carrier separation and facilitates the formation of intermediate active species. This work not only validates the efficient performance of Ti₄O₇/PbO₂-110 for PEC water purification but also provides a reference strategy for the preparation of heterostructured ceramic photoelectrodes with high PEC efficiency.","PeriodicalId":22032,"journal":{"name":"Surface Innovations","volume":"18 1","pages":""},"PeriodicalIF":3.5,"publicationDate":"2024-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140316653","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":"Study on UV-cured antimicrobial coatings with epoxy resin quaternary ammonium salt","authors":"Jiaxuan He, Yan Xu, Xiaoming Tan, Yiming Hu, Jiesheng Liu, Qinyi Liu","doi":"10.1680/jsuin.23.00072","DOIUrl":"https://doi.org/10.1680/jsuin.23.00072","url":null,"abstract":"This study aims to develop light-cured antimicrobial coatings were developed by dispersing epoxy resin F51-Quaternary Ammonium Salts (F51-QAS) as antimicrobial agents in light-cured emulsions. The molecular structures of these F51-QAS were analyzed using infrared spectroscopy. Thermogravimetric analysis was performed to evaluate the thermal stability of the antimicrobial coatings. Contact angle testing was conducted to investigate the hygroscopic wettability of the coatings. Mechanical properties such as pencil hardness, adhesion strength, flexibility, and impact resistance were evaluated. Antimicrobial rate experiments were conducted to examine the antimicrobial properties of the coatings. The antimicrobial properties were examined through rate experiments against <i>Escherichia coli</i> (<i>E. coli</i>) and <i>Staphylococcus aureus</i> (<i>S. aureus</i>). Results showed that when the F51-QAS content was at 2.7%, the light-cured antimicrobial coatings exhibited excellent overall performance with 100% antimicrobial rate.","PeriodicalId":22032,"journal":{"name":"Surface Innovations","volume":" 43","pages":""},"PeriodicalIF":3.5,"publicationDate":"2023-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138493761","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":"Study of excitation wavelength dependent photoluminescence and electrical conductivity on chemically synthesized metal semiconductor copper oxide nanorods","authors":"Amardeep Bajwa, Harpreet Kaur, Sanjeev Kumar, Gurjinder Singh","doi":"10.1680/jsuin.23.00056","DOIUrl":"https://doi.org/10.1680/jsuin.23.00056","url":null,"abstract":"This research work reports the synthesis of copper (II) oxide (CuO) nanoparticles using the wet chemical co-precipitation method. The synthesised nanoparticles were characterised using ultraviolet–visible spectroscopy, X-ray diffraction, field emission scanning electron microscopy with energy-dispersive X-ray spectroscopy and high-resolution transmission electron microscopy in terms of absorption, crystal structure and size, morphology and elemental composition, and particle size. The existence of functional groups was verified by Fourier transform infrared spectroscopy. The synthesised copper (II) oxide nanoparticles showed an absorption peak at 397 nm, and a Tauc’s plot study showed a band-gap energy of 3.2 eV. The effects of varied excitation energies – namely, 3.81 and 3.54 eV – on the emission spectra of rod-shaped nanoparticles were assessed through photoluminescence spectroscopy, and the release of red, orange, green, violet and yellow colours was observed. The voltage–current characteristics of nanoparticle pellets were measured using a two-probe technique. The increase in the direct-current electrical conductivity of pellets heated at 100 and 200°C was ascertained. Overall, this research work provides valuable insights into the electronic properties of copper (II) oxide nanoparticles, which could have potential applications in various fields such as catalysis and electronics.","PeriodicalId":22032,"journal":{"name":"Surface Innovations","volume":"71 20","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135088050","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":"An overview of green and sustainable polymeric coatings","authors":"Maryam Jouyandeh, Farzad Seidi, Sajjad Habibzadeh, Mohamed S Hasanin, Paulina Wiśniewska, Navid Rabiee, Henri Vahabi, Seeram Ramakrishna, Mohammad Reza Saeb","doi":"10.1680/jsuin.23.00043","DOIUrl":"https://doi.org/10.1680/jsuin.23.00043","url":null,"abstract":"Synthetic polymers have to be replaced with green counterparts for sustainability needs. Green and sustainable polymeric coatings have progressively undergone development, as functional and protective materials for myriad applications ranging from packaging to biomedicine. Despite such innovative and environmental privileges, they are not adequately competitive in terms of properties to displace synthetic polymeric coatings. Functionalization of the surface and/or the bulk of the green polymeric coatings by functional groups, natural polymers, nanoparticles, crosslinking agents, anti-fouling precursors, and synthetic polymers can strengthen their properties and enlarge their performance window. However, definitions and terms related to green and sustainable coatings have not been systematically addressed. Biomass-, plant oil-, carbohydrate-, protein- and microbial-based polymeric coatings are the main classes of sustainable polymeric coatings briefly overviewed herein. The technological bottlenecks towards commercialization of sustainable coatings and films are also highlighted.","PeriodicalId":22032,"journal":{"name":"Surface Innovations","volume":" 5","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135242938","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":"Fabrication of TiO₂@Cu mesh with impressive hydrophobic surface for electromagnetic interference shielding","authors":"Yongchao Yuan, Yangyang He, Shouxin Shi, Degang Wu, Guanda Yang","doi":"10.1680/jsuin.23.00067","DOIUrl":"https://doi.org/10.1680/jsuin.23.00067","url":null,"abstract":"This study investigated the surface modification of copper mesh using modified titanium dioxide (TiO 2 ) coatings to enhance its surface hydrophobic properties while preserving electromagnetic interference (EMI) shielding effectiveness. Silicon-coupling-agent-treated titanium dioxide particles were employed to create micro/nanostructured superhydrophobic coatings. The deposition times were found to influence the coating distribution, pore filling and surface hydrophobicity. S-TiO 2 @Cu mesh with a single layer of modified titanium dioxide coating exhibited the highest water contact angle compared with T-TiO 2 @Cu mesh with triple layer coatings and the original O-TiO 2 @Cu mesh. The superior self-cleaning performance and robust wear resistance of the hydrophobic coatings for S-TiO 2 @Cu mesh were revealed. In addition, both S-TiO 2 @Cu mesh and T-TiO 2 @Cu mesh exhibited satisfactory EMI-shielding efficiency without compromising the intrinsic properties of the copper mesh. These findings provide practical insights into surface modification of copper mesh substrates, emphasizing the balance between surface properties and EMI shielding. The hydrophobic coatings hold promise for multifunctional applications, offering enhanced surface properties without compromising EMI-shielding performance.","PeriodicalId":22032,"journal":{"name":"Surface Innovations","volume":" 6","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135340578","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":"Influence of forming directions on surface quality of 316L stainless steel produced by selective laser melting additive manufacturing","authors":"Qiang Li, Songyong Liu, Qingyang Wang, Yan Wang","doi":"10.1680/jsuin.23.00059","DOIUrl":"https://doi.org/10.1680/jsuin.23.00059","url":null,"abstract":"Different forming directions have significant impact on surface quality in additive manufacturing. This study is aimed at exploring how different forming directions influence surface quality in additive manufacturing. First, experiments were designed to prepare 316L stainless steel by selective laser melting additives manufacturing in different forming directions. Besides, the surfaces of samples manufactured by additives manufacturing in different forming directions were tested using a 3D surface profiler and a scanning electron microscope. In this way, their 3D profile maps, surface roughness values, and scanning electron microscopy images were obtained. Furthermore, the surface quality was characterized by four parameters, the maximum height-S z , the maximum valley depth-S v , the standard deviation of height-S q , and the arithmetic average height-S a . The following results were obtained: (1) Different forming directions correspond to close upper surface roughness S a values, the minimum and maximum values of S a being 7.16 um and 8.20 um, respectively. S a is the smallest among the four parameters (S z , S v , S q , and S a ), shows good stability and statistical significance. (2) In the same forming direction, the upper surface roughness values follow S z &gt;S v &gt;S q &gt;S a ,S z is the largest, exceeding 800 um, average value S a is the smallest reaching 7.36 um. The values of S q , S z , and S v vary when the forming direction changes; specifically, all of them increase when the forming direction changes from a vertical direction to planar and lateral directions in turn. (3) In different forming directions, the values of S z , S v , S q , and S a vary on different surfaces (XOY, YOZ, and XOZ surfaces), but their variations are basically similar. Meanwhile, the S z , S v , S q , and S a values of the free surfaces are at least 10 times greater than those of the printed surface. (4) In the selective laser melting additive manufacturing process, it is necessary to reasonably select a forming direction for parts with different dimensional parameters on each side. High-quality workpiece can be obtained with a reasonable forming direction. The proposed method serves as references for the selection of forming direction of selective laser melting additive manufacturing and provides a new method to improve the surface quality of parts by additive manufacturing.","PeriodicalId":22032,"journal":{"name":"Surface Innovations","volume":"111 7","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135813211","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":"Coloration and antibacterial treatment of aramid fabric: A comprehensive review","authors":"Rony Mia, Sania Habib, Mohammed A Assiri, Huihong Liu, Sakil Mahmud","doi":"10.1680/jsuin.23.00065","DOIUrl":"https://doi.org/10.1680/jsuin.23.00065","url":null,"abstract":"Aramid fabric/fiber (AF), which possesses outstanding comprehensive qualities such as low density, high specific strength, and high specific modulus, is widely used for dresses of defense applications. Different dyes and chemicals are required to give the specific coloration effect of AF. AF are relatively difficult to dye due to their very crystalline structure and remarkable compactness. The different techniques, including supercritical carbon dioxide, microwave irradiation, liquid ammonia, ultraviolet treatment, co-polymerization, high temperature, carrier method, and ozone treatment, have already been utilized for the dyeing of AF. Among the processes, some of them show excellent dyeing performances in color fastness to wash, rubbing, and light. The AF also frequently used in harsh environments and cannot be cleaned in a timely manner; bacteria that develop on their surface might pose a health concern, making AF with antibacterial properties are extremely desirable. There have been a number of antibacterial treatments for AF to develop protection against gram-positive and gram-negative bacteria. The in-situ treatment of AF using silver nanoparticles (AgNPs) showed a high level of antibacterial activity. However, there are no reviews that discuss the coloration and antibacterial activity of AF. Therefore, this review summarized the coloration and antibacterial activity of AF using different dyes and nanoparticles.","PeriodicalId":22032,"journal":{"name":"Surface Innovations","volume":"6 12","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136263732","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":"Effect of Multi-walled carbon nanotube incorporation on the photocatalytic activity of TiO₂ nanotubes","authors":"Mert Altay, Murat Baydoğan","doi":"10.1680/jsuin.23.00051","DOIUrl":"https://doi.org/10.1680/jsuin.23.00051","url":null,"abstract":"Arrays of titanium dioxide (TiO 2 ) nanotubes were prepared on commercially pure titanium (Cp-Ti) foils by anodic oxidation in 0.5 M HF-based electrolyte with multi-walled carbon nanotubes (MWCNTs) addition up to 0.035 g/L. The samples were annealed at 450 °C for 1 h after the anodic oxidation to form a crystalline anatase structure. The effect of the MWCNTs addition on morphology and photocatalytic activity of the nanostructures was characterized by scanning electron microscopy (SEM), Raman spectroscopy, UV-Vis diffuse reflectance spectroscopy (DRS), photoluminescence (PL) spectroscopy, and methylene blue (MB) degradation tests. The results showed that MWCNTs were successfully incorporated into the TiO 2 nanotube structure, and significantly affected its photocatalytic activity. The best photocatalytic performance was achieved with the use of 0.025 g/L MWCNTs in the electrolyte composition. However, when the MWCNTs content in the electrolyte increased, the electron-hole recombination rate and photon absorption ability of the structure deteriorate, resulting in a decreased photocatalytic activity.","PeriodicalId":22032,"journal":{"name":"Surface Innovations","volume":"79 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135405039","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":"Towards tailored surface topography on electrospun wound dressings for maximised exudate absorption","authors":"Judith Zubia-Aranburu, Lorea Buruaga, Myriam Martin-Inaraja, Clara Rodriguez, Silvia Santos, Unai Silván, Cristina Eguizabal, Alaitz Zabala","doi":"10.1680/jsuin.23.00044","DOIUrl":"https://doi.org/10.1680/jsuin.23.00044","url":null,"abstract":"Since electrospinning can generate micro- to nanometre-scale fibres, it is widely used for fabricating wound dressings. Electrospun scaffolds with defined three-dimensional patterns at the mat surface can be efficiently fabricated using textured collectors that transfer the topography during the manufacturing process. However, the efficacy of surface pattern transfer from the collector to the mat, the correlation between the topography and the absorption capability and the effect of sterilisation on absorption have not yet been analysed. In this study, textured patterns were imprinted over polycaprolactone electrospun mats using textured collectors. The successful transferability of the patterns was quantified through height, hybrid and functional surface topography parameters. Additionally, ethylene oxide, hydrogen peroxide (H 2 O 2 ) and ultraviolet (UV) sterilisation methods were tested, of which only UV preserved the morphological and functional integrity of the mat. Finally, fibroblasts were used to analyse the cytotoxicity and cellular response of the dressings, verifying their biocompatible nature. This study demonstrates that absorption capacity can be modulated by the surface texture of the wound dressing. The S dq and S dr parameters were identified as key surface characteristics for enhancing absorption capacity and yielded an increase of up to 176.76% compared with the non-textured control, thus revealing the potential of surface functionalisation for increasing exudate absorption.","PeriodicalId":22032,"journal":{"name":"Surface Innovations","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135805987","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":"Slippery surface with ternary coupled structures for improving lubricant storage capacity","authors":"Ying Zhai, Shuwei Lv, Qiao Liu, Xiaodong Yang, Xianli Liu, Zhuojuan Yang, Chunyu Mao","doi":"10.1680/jsuin.23.00049","DOIUrl":"https://doi.org/10.1680/jsuin.23.00049","url":null,"abstract":"A slippery surface has the capability to protect the substrate surface, which can prevent substrate corrosion in a harsh environment. However, existing slippery surfaces have the limitation of insufficient oil-locking capability for rough structures, which limits their practical application. To solve the aforementioned limitation, the authors developed a slippery surface with a good oil-locking capability. First, a wire-cutting machine tool was used to fabricate ternary coupled grooved structures on an aluminum (Al) substrate, which could increase the lubricant-storage capacity of the microstructures, and the substrate was named slippery porous surface with groove-textured aluminum (Slips-G-Al). Then, a surface durability test was performed involving lubricant shear, sandpaper wear and water impact. The chemical stability test involved acid, alkali, salt corrosion and weather resistance tests, which showed that Slips-G-Al had a good lubricant-storage capacity compared with the traditional Slips surface. In addition, the self-cleaning performance and the fog collection capability of Slips-G-Al were also studied. Finally, an electrochemical corrosion test of Slips-G-Al was carried out. The findings showed remarkable application prospects in the aerospace and shipbuilding fields.","PeriodicalId":22032,"journal":{"name":"Surface Innovations","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135805986","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}