Advanced Materials Interfaces最新文献

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Effect of Thermal Oxidation on the Structure, Surface Texturing, and Microstructure Evolution in Nanocrystalline Ga─O─N Films 热氧化对纳米晶Ga─O─N薄膜结构、表面织构和微观结构演变的影响
IF 4.3 3区 材料科学
Advanced Materials Interfaces Pub Date : 2025-01-16 DOI: 10.1002/admi.202400500
Debabrata Das, Francelia Sanchez, Paul Gaurav Nalam, Nolan Herbort, Felicia S. Manciu, V. Shutthanandan, C.V. Ramana
{"title":"Effect of Thermal Oxidation on the Structure, Surface Texturing, and Microstructure Evolution in Nanocrystalline Ga─O─N Films","authors":"Debabrata Das,&nbsp;Francelia Sanchez,&nbsp;Paul Gaurav Nalam,&nbsp;Nolan Herbort,&nbsp;Felicia S. Manciu,&nbsp;V. Shutthanandan,&nbsp;C.V. Ramana","doi":"10.1002/admi.202400500","DOIUrl":"https://doi.org/10.1002/admi.202400500","url":null,"abstract":"<p>An extensive examination of the nanoscale, crystallographic growth dynamics of the system, which is impacted by the thermal energy given to the GaN, is carried out to derive a deeper understanding of the growth kinetics, morphology and microstructure evolution, chemical bonding, and optical properties of Ga─O─N films. Thermal annealing of GaN films is performed in the temperature range of 900–1200 °C. Crystal structure, phase formation, chemical composition, surface morphology, and microstructure evolution of Ga─O─N films are investigated as a function of temperature. Increasing temperature induces surface oxidation, which results in the formation of stable β-Ga<sub>2</sub>O<sub>3</sub> phase in the GaN matrix, where the overall film composition evolves from nitride (GaN) to oxynitride (Ga─O─N). While GaN surfaces are smooth, planar, and featureless, oxidation induced granular-to-rod shaped morphology evolution is seen with increasing temperature to 1200 °C. The considerable texturing and stability of the nanocrystalline Ga─O─N on Si substrates can be attributed to the surface and interface driven modification because of thermal treatment. Corroborating with structure and chemical changes, Raman spectroscopic analyses also indicate that the chemical bonding evolution progresses from fully Ga─N bonds to Ga─O─N. While the GaN oxidation process starts with the formation of β-Ga<sub>2</sub>O<sub>3</sub> at an annealing temperature of 1000 °C, higher annealing temperatures induce structural distortion with the potential formation of Ga─O─N bonds. The structure-phase-chemical composition correlation, which will be useful for nanocrystalline materials for selective optoelectronic applications, is established in Ga─O─N films made by thermal treatment of GaN.</p>","PeriodicalId":115,"journal":{"name":"Advanced Materials Interfaces","volume":"12 5","pages":""},"PeriodicalIF":4.3,"publicationDate":"2025-01-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/admi.202400500","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143497032","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
Protein-DNA Competition at the Bio-Nano Interface: Structural and Biological Insights From Graphene Oxide Coronas 生物纳米界面上的蛋白质- dna竞争:氧化石墨烯电晕的结构和生物学见解
IF 4.3 3区 材料科学
Advanced Materials Interfaces Pub Date : 2025-01-14 DOI: 10.1002/admi.202400560
Erica Quagliarini, Francesca Giulimondi, Serena Renzi, Andrea Pirrottina, Alessandra Zingoni, Nicholas Carboni, Daniela Pozzi, Giulio Caracciolo
{"title":"Protein-DNA Competition at the Bio-Nano Interface: Structural and Biological Insights From Graphene Oxide Coronas","authors":"Erica Quagliarini,&nbsp;Francesca Giulimondi,&nbsp;Serena Renzi,&nbsp;Andrea Pirrottina,&nbsp;Alessandra Zingoni,&nbsp;Nicholas Carboni,&nbsp;Daniela Pozzi,&nbsp;Giulio Caracciolo","doi":"10.1002/admi.202400560","DOIUrl":"https://doi.org/10.1002/admi.202400560","url":null,"abstract":"<p>Understanding interactions between nanomaterials and biomolecules is essential for advancing biomedical nanotechnologies. This study investigates how double-stranded DNA of varying sizes affects the protein corona (PC) surrounding Graphene Oxide (GO) nanosheets in DNA-supplemented human plasma. The findings reveal that DNA plays a pivotal role in modulating the PC composition through dynamic competition governed by factors like surface charge, affinity, and DNA fragment size. At lower DNA concentrations, competition between DNA and proteins for binding sites on GO leads to a corona predominantly composed of proteins, with some DNA molecules also bound. However, as the DNA concentration increases beyond a threshold, a shift occurs. DNA increasingly outcompetes proteins for binding sites, resulting in a two-component corona enriched with both DNA and proteins. Notably, the proportion of DNA within the corona progressively increases with rising DNA concentration, while the protein content decreases. This dynamic interplay between DNA and proteins has significant biological implications. A monotonic increase in Toll-like receptor 9 (TLR9) activation is observed as the DNA content within the corona increases. As the corona composition and its influence on cellular responses are crucial, this study emphasizes the relevance of exploring competition at the bio-nano interface for the advancement of these applications.</p>","PeriodicalId":115,"journal":{"name":"Advanced Materials Interfaces","volume":"12 6","pages":""},"PeriodicalIF":4.3,"publicationDate":"2025-01-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/admi.202400560","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143645899","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
Permanent Plasma Surface Functionalization of Internal Surface Areas 内表面永久等离子体表面功能化
IF 4.3 3区 材料科学
Advanced Materials Interfaces Pub Date : 2025-01-13 DOI: 10.1002/admi.202400727
Dirk Hegemann, Martina Janůšová, Paula Navascués, Lenka Zajíčková, Anne Géraldine Guex
{"title":"Permanent Plasma Surface Functionalization of Internal Surface Areas","authors":"Dirk Hegemann,&nbsp;Martina Janůšová,&nbsp;Paula Navascués,&nbsp;Lenka Zajíčková,&nbsp;Anne Géraldine Guex","doi":"10.1002/admi.202400727","DOIUrl":"https://doi.org/10.1002/admi.202400727","url":null,"abstract":"<p>Surface functionalization technologies of fibrous or porous materials are often considered relatively unstable with a shelf life of several weeks or months at most, evoked by heterogeneous treatment of their internal surface areas. Here, it is demonstrating that the fine balance of plasma etching, deposition, and oxidation involving different reactive species, strongly enhances penetration depth within complex structures. On this basis, capillary wicking is maintained over &gt;10 years after plasma functionalization of a scaffold material used for biomedical engineering. Electrospun membranes of poly(ε-caprolactone) are coated with an oxygen-functional hydrocarbon layer, deposited in a competitive ablation and plasma polymerization process with CO<sub>2</sub> and C<sub>2</sub>H<sub>4</sub> as reactive gases. Chemical analysis immediately after coating, 9 months later, and after storing at ambient conditions for over 10 years, indicate a stable surface coating. Using defined geometries such as a cavity and an undercut, the underlying plasma interaction mechanisms are revealed, showing different synergies of energetic particles, depositing species with different surface reactivities, and oxidizing species. A concerted action of such species during plasma functionalization is key to enabling long-term wetting properties. This has a major implication for the surface functionalization of scaffolds, textiles, membranes, or foams used in diverse fields.</p>","PeriodicalId":115,"journal":{"name":"Advanced Materials Interfaces","volume":"12 8","pages":""},"PeriodicalIF":4.3,"publicationDate":"2025-01-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/admi.202400727","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143852737","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
Polarity-selective Transfer of Lipophilic Cargoes From Lipid Droplets (Oleosomes) to Lipid Bilayers 亲脂性物质从脂滴(油体)到脂双分子层的极性选择性转移
IF 4.3 3区 材料科学
Advanced Materials Interfaces Pub Date : 2025-01-13 DOI: 10.1002/admi.202400600
Umay Sevgi Vardar, Johannes H. Bitter, Constantinos V. Nikiforidis
{"title":"Polarity-selective Transfer of Lipophilic Cargoes From Lipid Droplets (Oleosomes) to Lipid Bilayers","authors":"Umay Sevgi Vardar,&nbsp;Johannes H. Bitter,&nbsp;Constantinos V. Nikiforidis","doi":"10.1002/admi.202400600","DOIUrl":"https://doi.org/10.1002/admi.202400600","url":null,"abstract":"<p>Lipid Droplets (LDs) or as also called oleosomes are lipid storage organelles in eukaryotic cells. Besides storing lipids, LDs can fuse their core into other intracellular organelles, but the mechanism remains unknown. In this work, this is aimed to understand the effect of cargo's polarity on the transportation of the cargo from LDs to lipid bilayers using liposomes. LDs are loaded with curcumin and Nile red, two lipophilic molecules with similar log P values. The loaded LDs are blended with liposomes, while curcumin and Nile red are tracked using confocal microscopy and spectroscopy. LDs remained intact, while curcumin was transferred in 5 min from LDs to liposomes. Nile red remained in LDs. The difference between curcumin and Nile red is attributed to the amphiphilicity of curcumin, which allowed its adsorption in the LD monolayer and the subsequent transportation to the liposome bilayer upon contact. The unique selectivity of LDs is shown as carriers since lipophilic cargo is transferred to the lipid bilayer only when participating in the LD membrane. The understanding of the transportation mechanism of molecules from LDs to bilayers helps the exploitation of LDs as natural lipid carriers.</p>","PeriodicalId":115,"journal":{"name":"Advanced Materials Interfaces","volume":"12 5","pages":""},"PeriodicalIF":4.3,"publicationDate":"2025-01-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/admi.202400600","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143497229","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
Ultrasonically Deposited Boron-Doped Silicon Decorated with Laser-Generated Iridium Nanoparticles as Manufacturing Approach for OER Electrodes in PEM Water Electrolysis 激光生成纳米铱修饰硼掺杂硅超声沉积制备PEM水电解OER电极
IF 4.3 3区 材料科学
Advanced Materials Interfaces Pub Date : 2025-01-13 DOI: 10.1002/admi.202400765
Norbert Kazamer, Meike Tack, Mathias Spree, Martin Underberg, Ulrich Rost, Sven Reichenberger, Maximilian Cieluch, Haujin Salih, Florian Wirkert, Leonard Böhm, Jeffrey Roth, Varatharaja Nallathambi, Baptiste Gault, Christoph Baer, Kerstin Orend, Stephan Barcikowski, Tim Hülser, Michael Brodmann
{"title":"Ultrasonically Deposited Boron-Doped Silicon Decorated with Laser-Generated Iridium Nanoparticles as Manufacturing Approach for OER Electrodes in PEM Water Electrolysis","authors":"Norbert Kazamer,&nbsp;Meike Tack,&nbsp;Mathias Spree,&nbsp;Martin Underberg,&nbsp;Ulrich Rost,&nbsp;Sven Reichenberger,&nbsp;Maximilian Cieluch,&nbsp;Haujin Salih,&nbsp;Florian Wirkert,&nbsp;Leonard Böhm,&nbsp;Jeffrey Roth,&nbsp;Varatharaja Nallathambi,&nbsp;Baptiste Gault,&nbsp;Christoph Baer,&nbsp;Kerstin Orend,&nbsp;Stephan Barcikowski,&nbsp;Tim Hülser,&nbsp;Michael Brodmann","doi":"10.1002/admi.202400765","DOIUrl":"https://doi.org/10.1002/admi.202400765","url":null,"abstract":"<p>The study introduces flexible and scalable manufacturing approach for electrodes utilizing boron-doped silicon as conductive support for iridium nanoparticles, addressing the challenges of cost and scarcity associated wit noble catalysts for oxygen evolution reaction (OER). Colloidal Ir nanoparticles are synthesized via pulsed-laser ablation (≈4–7 nm) and decorated on B-doped Si (≈100 nm) through electrostatic adsorption. Titanium substrates are ultrasonically sprayed with Si:B – Ir and Ir nanoparticles with very low iridium loading of 12 wt.%. Crystalline Ir phases (Ir(111), Ir(200)) are observed and known to enhance the OER mechanism. Additionally, atom probe tomography confirms that the Si support particles contained 0.03-0.5 at% of boron throughout the entire particle, while electrical permittivity and through-plane measurements reveal a positive impact of B-doped Si on the electrical conductivity of the nanocatalysts and of the ultralow-loaded catalyst coated Ti substrates (0.12 mg<sub>Ir</sub> cm<sup>−2</sup>), respectively. Rotating disk electrode results show pronounced oxidation peaks for decorated Ir nanoparticles. The Si:B-Ir 4 nm catalyst exhibits the highest turonover frequency (2.62 s⁻¹) and a competitive electrochemical surface area (25 m<sup>2</sup> g<sub>Ir</sub><sup>−1</sup>) compared to Si:B-Ir 7 nm (0.96 s⁻¹; 37.5 m<sup>2</sup> g<sub>Ir</sub><sup>−1</sup>) and Ir black (0.24 s⁻¹; 5 m<sup>2</sup> g<sub>Ir</sub><sup>−1</sup>). The overall analysis of the parameters highlights a performant catalytic efficiency, through balancing activity and reaction kinetics effectively.</p>","PeriodicalId":115,"journal":{"name":"Advanced Materials Interfaces","volume":"12 8","pages":""},"PeriodicalIF":4.3,"publicationDate":"2025-01-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/admi.202400765","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143852628","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
Passivated Zn Powders as Metal Anode 钝化锌粉作为金属阳极
IF 4.3 3区 材料科学
Advanced Materials Interfaces Pub Date : 2025-01-12 DOI: 10.1002/admi.202400643
Yiming Sun, Yanting Jin, Jiaxing Huang
{"title":"Passivated Zn Powders as Metal Anode","authors":"Yiming Sun,&nbsp;Yanting Jin,&nbsp;Jiaxing Huang","doi":"10.1002/admi.202400643","DOIUrl":"https://doi.org/10.1002/admi.202400643","url":null,"abstract":"<p>Impacted by heavy corrosion and poor connections, zinc (Zn) powders have rarely been considered as the raw materials of Zn-ion aqueous batteries (ZABs). Nonetheless, the ease of controlling loadings of Zn powders entitles ZABs to better capacity match between negative and positive electrodes. Here, a simple and rapid chemical solution passivation method is reported, which leads to a thin, dense, and conformal passivation layer on Zn powder surface. The passivation layer suppresses parasitic reactions of Zn powder anode, mitigates corrosions, and extends the calendar life. Mixing with well-dispersed carbon nanotubes, the passivated Zn powder anode is able to cycle 100 h under 3 mA cm<sup>−2</sup> and 3 mAh cm<sup>−2</sup> at depth of discharge of 41.3%. Besides, the anode with negative/positive electrode capacity ratio of 5.95 improves the energy density of the Zn powder||MnO<sub>2</sub> full cell to 70 Wh Kg<sup>−1</sup>. Such a simple “one-step” passivation method is believed to be a “drop-in” technique applied in the scalable manufacture of ZABs.</p>","PeriodicalId":115,"journal":{"name":"Advanced Materials Interfaces","volume":"12 5","pages":""},"PeriodicalIF":4.3,"publicationDate":"2025-01-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/admi.202400643","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143497256","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
Tailoring Nanopore Geometry in Anodic Aluminum Oxide Membranes through Physical Stretching and Controlled Anodization 裁剪纳米孔几何在阳极氧化铝膜通过物理拉伸和控制阳极氧化
IF 4.3 3区 材料科学
Advanced Materials Interfaces Pub Date : 2025-01-09 DOI: 10.1002/admi.202400699
Yu-Chun Liu, Yi-Fan Chen, Yu-Chun Lin, You-Hao Zheng, Lin-Ruei Lee, Ming-Hsuan Chang, Jhih-Hao Ho, Yu-Liang Lin, Jiun-Tai Chen
{"title":"Tailoring Nanopore Geometry in Anodic Aluminum Oxide Membranes through Physical Stretching and Controlled Anodization","authors":"Yu-Chun Liu,&nbsp;Yi-Fan Chen,&nbsp;Yu-Chun Lin,&nbsp;You-Hao Zheng,&nbsp;Lin-Ruei Lee,&nbsp;Ming-Hsuan Chang,&nbsp;Jhih-Hao Ho,&nbsp;Yu-Liang Lin,&nbsp;Jiun-Tai Chen","doi":"10.1002/admi.202400699","DOIUrl":"https://doi.org/10.1002/admi.202400699","url":null,"abstract":"<p>The fabrication and application of anodic aluminum oxide (AAO) membranes with tailored nanopore geometries have profound implications in materials science and engineering. This study introduces a refined physical stretching method combined with precisely controlled anodization conditions to manipulate the anisotropy of nanopores in AAO membranes. By employing high-purity aluminum sheets and varying electrolytes such as sulfuric acid, oxalic acid, and phosphoric acid, anisotropic shapes are carried out with aspect ratios varying based on the applied mechanical forces and electrolytic conditions. The capability to produce AAO membranes with non-uniform pore distributions is also demonstrated by applying irregular stretching forces, revealing the potential for creating customized nanostructures. The anisotropic AAO membranes serve as effective templates for synthesizing polymer nanorods, indicating their utility in guiding the formation of advanced nanomaterials with specific directional properties. Our results showcase the role of mechanical and chemical parameters in tailoring nanoscale material properties. The versatility of horizontally anisotropic AAO membranes in nanofabrication enables better control of nanopore geometry for applications in nanoelectronics, drug delivery, and biosensing.</p>","PeriodicalId":115,"journal":{"name":"Advanced Materials Interfaces","volume":"12 6","pages":""},"PeriodicalIF":4.3,"publicationDate":"2025-01-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/admi.202400699","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143645954","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
Droplet Microarrays for Miniaturized and High-Throughput Experiments: Progress and Prospectives 微滴微阵列的小型化和高通量实验:进展与展望
IF 4.3 3区 材料科学
Advanced Materials Interfaces Pub Date : 2025-01-09 DOI: 10.1002/admi.202400905
D.D. Kartsev, Urrutia Gómez Joaquin E, Popova A. Anna, Pavel A. Levkin
{"title":"Droplet Microarrays for Miniaturized and High-Throughput Experiments: Progress and Prospectives","authors":"D.D. Kartsev,&nbsp;Urrutia Gómez Joaquin E,&nbsp;Popova A. Anna,&nbsp;Pavel A. Levkin","doi":"10.1002/admi.202400905","DOIUrl":"https://doi.org/10.1002/admi.202400905","url":null,"abstract":"<p>Miniaturization in life sciences and chemical sciences offers substantial advantages to experimental workflows, such as increased throughput, reduced costs, and lower environmental impact. While microtiter plates are effective, further miniaturization is necessary to enhance efficiency and throughput. However, microtiter plates cannot be easily miniaturized to volumes below 5 µL, primarily because adhesive and capillary forces become stronger than the gravitational forces needed to confine the liquid within the wells. To overcome this, the droplet microarray (DMA) is developed, utilizing patterned adhesive regions on a liquid-repellent background to immobilize and confine sub-microliter droplets without physical barriers. This unique format enables novel applications such as droplet merging and parallel ultra-high-throughput manipulations. This review provides an overview of DMA's diverse applications and highlights the new experimental opportunities it offers, establishing it as a versatile tool for highly miniaturized, high-throughput biological and chemical experiments. The evolving requirements and future applications of the DMA approach are also discussed.</p>","PeriodicalId":115,"journal":{"name":"Advanced Materials Interfaces","volume":"12 4","pages":""},"PeriodicalIF":4.3,"publicationDate":"2025-01-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/admi.202400905","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143431159","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
Superior Hydrazine Electrooxidation Activities on Tin and Zirconium Promoted ZSM-5 Zeolite Catalyst ZSM-5沸石催化剂在锡和锆催化剂上具有优异的肼电氧化活性
IF 4.3 3区 材料科学
Advanced Materials Interfaces Pub Date : 2025-01-09 DOI: 10.1002/admi.202400609
Derya Yıldız, Şefika Kaya, Omruye Ozok-Arici, Aykut Caglar, Arif Kivrak, Hilal Kivrak
{"title":"Superior Hydrazine Electrooxidation Activities on Tin and Zirconium Promoted ZSM-5 Zeolite Catalyst","authors":"Derya Yıldız,&nbsp;Şefika Kaya,&nbsp;Omruye Ozok-Arici,&nbsp;Aykut Caglar,&nbsp;Arif Kivrak,&nbsp;Hilal Kivrak","doi":"10.1002/admi.202400609","DOIUrl":"https://doi.org/10.1002/admi.202400609","url":null,"abstract":"<p>Direct fuel cells, such as direct hydrazine fuel cells (DHFC), are considered environmentally friendly alternative energy technologies with great potential for the future. Hydrazine, used as a liquid fuel, is particularly advantageous due to its high cell voltage and energy density. In this study, the electrocatalytic potential of SnZr/ZSM-5 catalysts synthesized with wet impregnation at various molar ratios is investigated for hydrazine oxidation. The catalyst is characterized by XPS, ICP-MS, XRD, FTIR, SEM-EDX, and TEM techniques. Additionally, thermal characterization of this catalyst is performed with temperature-programmed reduction (TPR), temperature-programmed oxidation (TPO), and temperature-programmed desorption (TPD). The catalytic activities of ZSM-5-supported monometallic and bimetallic catalysts are determined using electrochemical measurements such as cyclic voltammetry (CV), chronoamperometry (CA), and electrochemical impedance spectroscopy (EIS) for direct hydrazine fuel cell (DHFC). The highest catalytic activity achieved is 44.874 mA cm<sup>−2</sup> for SnZr(50:50)/ZSM-5 catalyst, revealing that Zr addition to Sn improves the electrocatalytic activity of bimetallic catalysts compared to monometallic catalysts. The long-term current density and stability of SnZr(50:50)/ZSM-5 catalyst are taken at 0.6 V. EIS measurements indicated that the lowest charge transfer resistance is at 0.6 V, consistent with CV and CA measurements. SnZr(50:50)/ZSM-5 provides a new perspective as an anode catalyst for DHFC applications.</p>","PeriodicalId":115,"journal":{"name":"Advanced Materials Interfaces","volume":"12 5","pages":""},"PeriodicalIF":4.3,"publicationDate":"2025-01-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/admi.202400609","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143497038","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
Atmospheric Water Sorption Kinetics in Powder and Monolithic Metal–Organic Frameworks 粉末和整体金属-有机框架的大气水吸附动力学
IF 4.3 3区 材料科学
Advanced Materials Interfaces Pub Date : 2025-01-07 DOI: 10.1002/admi.202400628
Jiawang Li, Guang Wang, Hongzhao Fan, Zhigang Li, Chi Yan Tso, Yanguang Zhou
{"title":"Atmospheric Water Sorption Kinetics in Powder and Monolithic Metal–Organic Frameworks","authors":"Jiawang Li,&nbsp;Guang Wang,&nbsp;Hongzhao Fan,&nbsp;Zhigang Li,&nbsp;Chi Yan Tso,&nbsp;Yanguang Zhou","doi":"10.1002/admi.202400628","DOIUrl":"https://doi.org/10.1002/admi.202400628","url":null,"abstract":"<p>Metal–organic frameworks (MOFs) have been widely applied for adsorption applications owing to their high surface area and porosity. In this paper, the atmospheric water adsorption kinetics in a prototypical MOF with two forms, that is, powder and monolithic MOF-801, are systematically investigated. It is shown that the total pore volume (average pore diameter) of the monolithic MOF-801 is 0.831 cm<sup>3</sup> g<sup>−1</sup> (5.20 nm) which is much larger than that of powder MOF-801, that is, 0.488 cm<sup>3</sup> g<sup>−1</sup> (1.95 nm). Monolithic MOF-801 absorbs more water than powder MOF-801 at a relative humidity (RH) above 90%. However, between the RH ranges from 10% to 90%, its water uptake is significantly lower than that of the powder form. Molecular dynamics simulations demonstrate that the unexpected water uptake capacity of monolithic MOF-801 at RH of 10%∼90% is caused by the water film formed by the capillary condensation in these mesopores of monolithic MOF-801. The capillary force of the formed film can be overcome by water vapor pressure when RH is over 90%. These findings reveal the underlying mechanisms for water adsorption kinetics in both powder and monolithic MOFs, which can motivate and benefit the new passive cooling or water harvesting system design based on MOFs.</p>","PeriodicalId":115,"journal":{"name":"Advanced Materials Interfaces","volume":"12 5","pages":""},"PeriodicalIF":4.3,"publicationDate":"2025-01-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/admi.202400628","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143497035","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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