Advanced Materials Interfaces最新文献

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Controlled Functionalization Strategy of Proteins Preserves their Structural Integrity While Binding to Nanocarriers (Adv. Mater. Interfaces 30/2024) 蛋白质的受控功能化策略可在与纳米载体结合时保持其结构完整性(Adv. Mater. Interfaces 30/2024)
IF 4.3 3区 材料科学
Advanced Materials Interfaces Pub Date : 2024-10-23 DOI: 10.1002/admi.202470073
Ana Mateos-Maroto, Meiyu Gai, Maximilian Brückner, Volker Mailänder, Svenja Morsbach, Katharina Landfester
{"title":"Controlled Functionalization Strategy of Proteins Preserves their Structural Integrity While Binding to Nanocarriers (Adv. Mater. Interfaces 30/2024)","authors":"Ana Mateos-Maroto,&nbsp;Meiyu Gai,&nbsp;Maximilian Brückner,&nbsp;Volker Mailänder,&nbsp;Svenja Morsbach,&nbsp;Katharina Landfester","doi":"10.1002/admi.202470073","DOIUrl":"https://doi.org/10.1002/admi.202470073","url":null,"abstract":"<p><b>Protein Functionalization</b></p><p>Modification of proteins is often required for their use as targeting agents. However, chemical over-modification can lead to the loss of their native structure and thus affect their functionality. Based on NHS ester chemistry, in this article 2400472 by Katharina Landfester and co-workers, a minimal protein modification strategy including detailed characterization is developed, keeping the secondary structure intact and allowing their further attachment to nanocarriers via click chemistry.\u0000\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":115,"journal":{"name":"Advanced Materials Interfaces","volume":"11 30","pages":""},"PeriodicalIF":4.3,"publicationDate":"2024-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/admi.202470073","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142525004","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Quantum Mechanical Derived (VdW-DFT) Transferable Lennard–Jones and Morse Potentials to Model Cysteine and Alkanethiol Adsorption on Au(111) (Adv. Mater. Interfaces 30/2024) 量子力学衍生(VdW-DFT)可转移伦纳德-琼斯电位和莫尔斯电位用于模拟半胱氨酸和烷硫醇在金(111)上的吸附(Adv.)
IF 4.3 3区 材料科学
Advanced Materials Interfaces Pub Date : 2024-10-23 DOI: 10.1002/admi.202470075
Emiliano Ventura-Macias, P. M. Martinez, Rubén Pérez, J. G. Vilhena
{"title":"Quantum Mechanical Derived (VdW-DFT) Transferable Lennard–Jones and Morse Potentials to Model Cysteine and Alkanethiol Adsorption on Au(111) (Adv. Mater. Interfaces 30/2024)","authors":"Emiliano Ventura-Macias,&nbsp;P. M. Martinez,&nbsp;Rubén Pérez,&nbsp;J. G. Vilhena","doi":"10.1002/admi.202470075","DOIUrl":"https://doi.org/10.1002/admi.202470075","url":null,"abstract":"<p><b>Surface Energy</b></p><p>In article 2400369, Rubén Pérez, Guilherme Vilhena, and co-workers identifies PBE+D3 as the optimal DFT method for thiol adsorption on Au(111). It introduces new Morse and Lennard-Jones parameters for the Au(111)-S interface, compatible with popular force fields and MD engines, offering deeper insights into the dynamics of this crucial Gold-Sulfur interface.\u0000\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":115,"journal":{"name":"Advanced Materials Interfaces","volume":"11 30","pages":""},"PeriodicalIF":4.3,"publicationDate":"2024-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/admi.202470075","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142525005","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Unveiling the Electrocatalytic Activity of Bifunctional Iron-Niobium Double Perovskites for Overall Water Splitting: A-Site Cation Influence
IF 4.3 3区 材料科学
Advanced Materials Interfaces Pub Date : 2024-10-22 DOI: 10.1002/admi.202400559
Celal Avcıoğlu, Maged F. Bekheet, Suna Avcıoğlu, Figen Kaya, Byung Chul Kim, Cengiz Kaya, Aleksander Gurlo
{"title":"Unveiling the Electrocatalytic Activity of Bifunctional Iron-Niobium Double Perovskites for Overall Water Splitting: A-Site Cation Influence","authors":"Celal Avcıoğlu,&nbsp;Maged F. Bekheet,&nbsp;Suna Avcıoğlu,&nbsp;Figen Kaya,&nbsp;Byung Chul Kim,&nbsp;Cengiz Kaya,&nbsp;Aleksander Gurlo","doi":"10.1002/admi.202400559","DOIUrl":"https://doi.org/10.1002/admi.202400559","url":null,"abstract":"<p>Capitalizing on the electrochemical conversion of water into hydrogen stands as a pivotal strategy in the global transition toward sustainable energy sources. This study investigates the influence of the A-site cation type within A<sub>2</sub>FeNbO<sub>6</sub> double perovskites (where A = Ca, Sr, or Ba) on their bifunctional electrocatalytic activities. The electrocatalytic performance is scrutinized in relation to charge transfer resistance, oxygen vacancy concentration, and metal-oxygen covalency. Among the variants, Sr<sub>2</sub>FeNbO<sub>6</sub> is distinguished as the optimal catalyst, achieving a current density of 10 mA cm⁻<sup>2</sup> at overpotentials of 260 mV for the oxygen evolution reaction (OER) and 176 mV for the hydrogen evolution reaction (HER), thus matching the performance of leading metal oxide electrocatalysts. The study reveals pH-dependent kinetics for Sr<sub>2</sub>FeNbO<sub>6</sub>, indicative of a lattice oxygen evolution mechanism for OER. An electrolyzer employing Sr<sub>2</sub>FeNbO<sub>6</sub> electrodes for both the anode and cathode delivers a current density of 10 mA cm⁻<sup>2</sup> at an efficient cell voltage of 1.76 V for complete alkaline water splitting, while also demonstrating exceptional stability. These insights advance the understanding of material optimization for electrocatalysis and position Sr<sub>2</sub>FeNbO<sub>6</sub> as a viable catalyst for the sustainable production of hydrogen.</p>","PeriodicalId":115,"journal":{"name":"Advanced Materials Interfaces","volume":"12 1","pages":""},"PeriodicalIF":4.3,"publicationDate":"2024-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/admi.202400559","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143118236","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Low Thermal Resistance of Diamond-AlGaN Interfaces Achieved Using Carbide Interlayers
IF 4.3 3区 材料科学
Advanced Materials Interfaces Pub Date : 2024-10-22 DOI: 10.1002/admi.202400575
Henry T. Aller, Thomas W. Pfeifer, Abdullah Mamun, Kenny Huynh, Marko Tadjer, Tatyana Feygelson, Karl Hobart, Travis Anderson, Bradford Pate, Alan Jacobs, James Spencer Lundh, Mark Goorsky, Asif Khan, Patrick Hopkins, Samuel Graham
{"title":"Low Thermal Resistance of Diamond-AlGaN Interfaces Achieved Using Carbide Interlayers","authors":"Henry T. Aller,&nbsp;Thomas W. Pfeifer,&nbsp;Abdullah Mamun,&nbsp;Kenny Huynh,&nbsp;Marko Tadjer,&nbsp;Tatyana Feygelson,&nbsp;Karl Hobart,&nbsp;Travis Anderson,&nbsp;Bradford Pate,&nbsp;Alan Jacobs,&nbsp;James Spencer Lundh,&nbsp;Mark Goorsky,&nbsp;Asif Khan,&nbsp;Patrick Hopkins,&nbsp;Samuel Graham","doi":"10.1002/admi.202400575","DOIUrl":"https://doi.org/10.1002/admi.202400575","url":null,"abstract":"<p>This study investigates thermal transport across nanocrystalline diamond/AlGaN (aluminum gallium nitride) interfaces, crucial for enhancing thermal management in AlGaN-based electronic devices. Chemical vapor deposition growth of diamond directly on AlGaN resulted in a disordered interface with a high thermal boundary resistance (TBR) of 20.6 <i>m</i><sup>2</sup>-<i>KGW</i><sup>−1</sup>. Sputtered carbide interlayers of boron carbide (<i>B</i><sub>4</sub><i>C</i>), silicon carbide (<i>SiC</i>), and a mixture of boron carbide and silicon carbide (<i>B</i><sub>4</sub><i>C</i>/<i>SiC</i>) are employed to reduce thermal boundary resistance in diamond/AlGaN interfaces. The carbide interlayers resulted in record-low thermal boundary resistance values of 3.4 and 3.7 <i>m</i><sup>2</sup>-<i>KGW</i><sup>−1</sup> for Al<sub>0.65</sub>Ga<sub>0.35</sub>N samples with <i>B</i><sub>4</sub><i>C</i> and <i>SiC</i> interlayers, respectively. STEM imaging of the interface reveals interlayer thicknesses between 1.7 and 2.5 nm, with an amorphous structure. Additionally, Fast-Fourier Transform (FFT) characterization of sections of the STEM images displayed sharp crystalline fringes in the AlGaN layer, confirming it is properly protected from damage from hydrogen plasma during the diamond growth. In order to accurately measure the thermal boundary resistance we develop a hybrid technique, combining time-domain thermoreflectance and steady-state thermoreflectance fitting, offering superior sensitivity to buried thermal resistances. The findings underscore the efficacy of interlayer engineering in enhancing thermal transport and demonstrate the importance of innovative measurement techniques in accurately characterizing complex thermal interfaces. This study provides a foundation for future research in improving thermal properties of semiconductor devices through interface engineering and advanced measurement methodologies.</p>","PeriodicalId":115,"journal":{"name":"Advanced Materials Interfaces","volume":"12 3","pages":""},"PeriodicalIF":4.3,"publicationDate":"2024-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/admi.202400575","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143118238","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
DFT and AIMD Evaluation of Boron-Doped Biphenylene as an Anode Material in Lithium- and Sodium-Ion Batteries
IF 4.3 3区 材料科学
Advanced Materials Interfaces Pub Date : 2024-10-21 DOI: 10.1002/admi.202400522
Mahdi Fardi, Mohammadreza Hosseini, Mokhtar Nasrollahpour, Mohsen Vafaee
{"title":"DFT and AIMD Evaluation of Boron-Doped Biphenylene as an Anode Material in Lithium- and Sodium-Ion Batteries","authors":"Mahdi Fardi,&nbsp;Mohammadreza Hosseini,&nbsp;Mokhtar Nasrollahpour,&nbsp;Mohsen Vafaee","doi":"10.1002/admi.202400522","DOIUrl":"https://doi.org/10.1002/admi.202400522","url":null,"abstract":"<p>Design and proposal of high-efficiency anode materials are crucial for the development of batteries with enhanced power and energy density, a key factor in their commercialization. This study presents a comparative theoretical study to evaluate the potential of boron-doped biphenylene (B-BP) as an anode electrode in lithium-ion batteries (LIBs) and sodium-ion batteries (SIBs). Current research investigates the impact of boron doping on the structural, electronic, and stability properties of pristine biphenylene. Computational calculations reveal strong interactions between charge carriers (Li and Na atoms) and the proposed anode with a charge transfer from Li/Na atom to the surface. According to kinetic studies, a low energy barrier for charge carrier diffusion has been obtained which makes it a promising candidate for fast-charge battery applications. Theoretical capacity calculations show that B-BP outperforms graphite as the commercial case of anode material, with calculated values of 560.67 mAh g<sup>−1</sup> for Li and 934.45 mAh g<sup>−1</sup> for Na storage.</p>","PeriodicalId":115,"journal":{"name":"Advanced Materials Interfaces","volume":"11 35","pages":""},"PeriodicalIF":4.3,"publicationDate":"2024-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/admi.202400522","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143117865","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Plasma-Enhanced Magnetron Sputtering: A Novel Approach for Biofunctional Metal Nanoparticle Coatings on Reverse Osmosis Composite Membranes 等离子体增强磁控溅射:一种在反渗透复合膜上制备生物功能金属纳米颗粒涂层的新方法
IF 4.3 3区 材料科学
Advanced Materials Interfaces Pub Date : 2024-10-21 DOI: 10.1002/admi.202400461
Nicole Michler, Ulrike M. Hirsch, Carolin Steinert, Gregor Fritzsche, Christian E. H. Schmelzer
{"title":"Plasma-Enhanced Magnetron Sputtering: A Novel Approach for Biofunctional Metal Nanoparticle Coatings on Reverse Osmosis Composite Membranes","authors":"Nicole Michler,&nbsp;Ulrike M. Hirsch,&nbsp;Carolin Steinert,&nbsp;Gregor Fritzsche,&nbsp;Christian E. H. Schmelzer","doi":"10.1002/admi.202400461","DOIUrl":"https://doi.org/10.1002/admi.202400461","url":null,"abstract":"<p>Reverse osmosis (RO) is the most common method for treating salt and brackish water. As a membrane-driven process, a key challenge for RO systems is their susceptibility to scaling and biofouling. To address these issues, functional coatings utilizing metal nanoparticles (MNPs) are developed. In this study, silver, gold, and copper nanoparticles are applied onto thin-film composite (TFC) membranes using plasma-enhanced magnetron sputtering. The elemental composition, surface morphology, and hydrophilicity of the coatings are analyzed using X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM), and contact angle measurements. The antimicrobial properties and the filtration efficiency of the coated membranes are assessed through application-specific experimental setups. Silver and copper nanoparticles exhibit superior antimicrobial properties, reducing microorganism adhesion by a factor of 10<sup>3</sup> compared to uncoated membranes. Under appropriate coating conditions, no deterioration in filtration performance is observed. Enhancing the adhesion of MNPs is necessary for achieving sustained release of metal ions.</p>","PeriodicalId":115,"journal":{"name":"Advanced Materials Interfaces","volume":"11 34","pages":""},"PeriodicalIF":4.3,"publicationDate":"2024-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/admi.202400461","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142762739","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Understanding the Role of Organic Hole Transport Layers on Pinhole Blocking and Performance Improvement in Sb2Se3 Solar Cells
IF 4.3 3区 材料科学
Advanced Materials Interfaces Pub Date : 2024-10-19 DOI: 10.1002/admi.202400394
Thomas P. Shalvey, Christopher H. Don, Leon Bowen, Tim D. Veal, Jonathan D. Major
{"title":"Understanding the Role of Organic Hole Transport Layers on Pinhole Blocking and Performance Improvement in Sb2Se3 Solar Cells","authors":"Thomas P. Shalvey,&nbsp;Christopher H. Don,&nbsp;Leon Bowen,&nbsp;Tim D. Veal,&nbsp;Jonathan D. Major","doi":"10.1002/admi.202400394","DOIUrl":"https://doi.org/10.1002/admi.202400394","url":null,"abstract":"<p>Sb<sub>2</sub>Se<sub>3</sub> is an emerging semiconductor which has shown promise for low-cost photovoltaic applications. After successive record-efficiencies using a range of device structures, spiro-OMeTAD has emerged as the default hole transport material (HTM), however, the function of HTM layers remains poorly understood. Here, thin-film Sb<sub>2</sub>Se<sub>3</sub> solar cells are fabricated with which three organic HTM layers - namely P3HT, PCDTBT, and spiro-OMeTAD are investigated. By comparing these against one another, and to a reference device, their role in the device stack are clarified. These organic HTM layers are found to serve a dual purpose, increasing both the average and peak efficiency by simultaneously blocking pinholes and improving the band alignment at the back contact, with marginal differences in performance between the different HTMs. This produced a champion device of 7.44% using P3HT, resulting from an improvement in all performance parameters. A more complex processing route, run-to-run variability, and lower overall device performance compared to the other organics challenge the assumption that spiro-OMeTAD is the optimal HTM for Sb<sub>2</sub>Se<sub>3</sub> devices. A Schottky barrier at the Au-Sb<sub>2</sub>Se<sub>3</sub> contact despite the deep work function of gold implies Fermi level pinning due to a defective interface, which each of the organic HTMs are equally capable of alleviating.</p>","PeriodicalId":115,"journal":{"name":"Advanced Materials Interfaces","volume":"11 35","pages":""},"PeriodicalIF":4.3,"publicationDate":"2024-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/admi.202400394","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143117389","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Optoelectric-Driven Wetting Transition on Artificially Micropatterned Surfaces With Long-Range Virtual Electrodes
IF 4.3 3区 材料科学
Advanced Materials Interfaces Pub Date : 2024-10-17 DOI: 10.1002/admi.202400459
Riccardo Zamboni, Debdatta Ray, Cornelia Denz, Jörg Imbrock
{"title":"Optoelectric-Driven Wetting Transition on Artificially Micropatterned Surfaces With Long-Range Virtual Electrodes","authors":"Riccardo Zamboni,&nbsp;Debdatta Ray,&nbsp;Cornelia Denz,&nbsp;Jörg Imbrock","doi":"10.1002/admi.202400459","DOIUrl":"https://doi.org/10.1002/admi.202400459","url":null,"abstract":"<p>The manipulation of droplets and wetting properties is crucial in many applications that involve surface-liquid interactions, especially on artificial superhydrophobic substrates. This study presents an active optoelectronic method to achieve transport and transition between two wetting states on patterned surfaces, namely Cassie–Baxter (CB) and Wenzel (W). The approach employs a photovoltaic iron-doped lithium niobate crystal placed on the bottom of a micropatterned substrate without any adhesive or sticky bonding. Taking advantage of the bulk photovoltaic effect, charge separation can be induced by light inside the crystal, thus leading to virtual electrodes. The long-range interaction between these virtual electrodes and the droplets on the top of the substrate allows for transitions between wetting states and droplet transport. Superhydrophobic wetting transitions between Cassie–Baxter and Wenzel are observed on different substrates using this technique. The forces acting on the droplet that cause the transition are determined numerically. The evolution of droplet deformation and contact angle during the generation of the virtual electrode depends on the shape and intensity of the light beam used for photoinduction, as well as on the compositional properties of the crystal.</p>","PeriodicalId":115,"journal":{"name":"Advanced Materials Interfaces","volume":"12 1","pages":""},"PeriodicalIF":4.3,"publicationDate":"2024-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/admi.202400459","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143116007","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Bandgap Engineering of TiO2 for Enhanced Selectivity in Photoelectrochemical Glycerol Oxidation
IF 4.3 3区 材料科学
Advanced Materials Interfaces Pub Date : 2024-10-17 DOI: 10.1002/admi.202400583
Claudio M. Pecoraro, Siming Wu, Monica Santamaria, Patrik Schmuki
{"title":"Bandgap Engineering of TiO2 for Enhanced Selectivity in Photoelectrochemical Glycerol Oxidation","authors":"Claudio M. Pecoraro,&nbsp;Siming Wu,&nbsp;Monica Santamaria,&nbsp;Patrik Schmuki","doi":"10.1002/admi.202400583","DOIUrl":"https://doi.org/10.1002/admi.202400583","url":null,"abstract":"<p>The application of photoelectrochemical cells to the partial oxidation of biomass represents a promising avenue as a sustainable process for obtaining valuable products. However, achieving both efficient conversion rates and high selectivity of desired products remains a great challenge. In this study, the photoelectrochemical oxidation of glycerol is investigated to produce dihydroxyacetone (DHA) as the primary target using TiO<sub>2</sub> nanotubes (NTs) as the photoanode. Nitrogen doping is used to modify the TiO<sub>2</sub> NTs, resulting in enhanced visible light photoactivity in N-doped NTs. These N-doped NTs exhibit a high selectivity toward DHA and show a remarkable faradaic efficiency when irradiated with light at a wavelength of 450 nm, i.e., light that excites N-related states in the band gap of TiO<sub>2</sub>. The N-doped material also exhibits remarkable stability over prolonged reaction periods. The superior performance of N-doped NTs can be attributed to the band-engineering effects induced by nitrogen doping. Specifically, N-doping leads to an upward shift of the valence band, thereby adjusting the exit energy levels of photogenerated holes that result in a high selectivity toward glycerol conversion to DHA.</p>","PeriodicalId":115,"journal":{"name":"Advanced Materials Interfaces","volume":"12 3","pages":""},"PeriodicalIF":4.3,"publicationDate":"2024-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/admi.202400583","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143116001","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Enhanced Organic Solvent Nanofiltration Membranes with Double Permeance via Laser-Induced Graphitization of Polybenzimidazole
IF 4.3 3区 材料科学
Advanced Materials Interfaces Pub Date : 2024-10-16 DOI: 10.1002/admi.202400490
Seong Heon Kim, Muhammad Ajmal Khan, Kwang Seop Im, Pilgyu Kang, Sang Yong Nam
{"title":"Enhanced Organic Solvent Nanofiltration Membranes with Double Permeance via Laser-Induced Graphitization of Polybenzimidazole","authors":"Seong Heon Kim,&nbsp;Muhammad Ajmal Khan,&nbsp;Kwang Seop Im,&nbsp;Pilgyu Kang,&nbsp;Sang Yong Nam","doi":"10.1002/admi.202400490","DOIUrl":"https://doi.org/10.1002/admi.202400490","url":null,"abstract":"<p>This study investigates the fabrication of organic solvent nanofiltration (OSN) membranes through laser-induced graphitization of polybenzimidazole (PBI). Employing a CO2 laser, the polymer is converted into graphene, resulting in controlled submicron-scale porous 3D structures, a feat not achievable with traditional methods such as chemical crosslinking. The effectiveness of this process hinges on precise adjustments of laser parameters, such as fluence, to attain the ideal graphitization levels. The findings indicate that partial graphitization, as opposed to excessive, is crucial for preserving the membrane's microstructure and enhancing its functional properties. The partially graphitized PBI-LIG (Polybenzimidazole ‒ Laser-induced Graphene) membranes achieved up to 94% rejection of Congo red from ethanol, with an ethanol permeance rate of 12.14 LMH bar<sup>−1</sup>—nearly twice that of standard PBI membranes. Additionally, these membranes showcased outstanding chemical stability and solvent resistance, maintaining over 99% structural integrity and experiencing &lt;1% weight loss after prolonged exposure to various industrial solvents over a week. These results highlight the potential of laser-graphitized PBI membranes for applications in harsh chemical conditions, paving the way for further optimization of high-performance OSN membranes. This research advances membrane technology, merging laser engineering with materials science, and contributes to environmental sustainability and industrial efficiency.</p>","PeriodicalId":115,"journal":{"name":"Advanced Materials Interfaces","volume":"11 35","pages":""},"PeriodicalIF":4.3,"publicationDate":"2024-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/admi.202400490","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143115856","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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