ACS Applied Materials & Interfaces最新文献

{"title":"Excellent Electromechanical Compatibility in Alkaline Niobate Composite Achieved by Optimizing Internal Defects and Extrinsic Local Stress Field","authors":"Hongjiang Li, Ning Chen, Jie Xing, Wenbin Liu, Zhi Tan, Manjing Tang, Hao Chen, Mingyue Mo, Jianguo Zhu","doi":"10.1021/acsami.4c22607","DOIUrl":"https://doi.org/10.1021/acsami.4c22607","url":null,"abstract":"Lead-free piezoelectric materials with excellent electromechanical compatibility are essential for industrial applications. However, attaining both a large piezoelectric coefficient (<i>d</i>₃₃) and a high mechanical quality factor (<i>Q</i>_m) is generally regarded as challenging because of the inherent trade-off among these properties. In this work, the reduction of internal defects and the redistribution of the second phase in potassium sodium niobate (KNN) based composite ceramics are achieved through a heat treatment technique. This method can achieve a significant improvement of electromechanical properties (<i>d</i>₃₃ = 415 pC/N and <i>Q</i>_m = 120), which effectively overcomes the contradiction between piezoelectric properties and mechanical losses. Structural characterizations indicated that the improved electromechanical performance of the annealed KNN composite ceramics could be attributed to the optimized internal defects and the extrinsic local stress field. These findings offer a promising route to enhance the commercial feasibility of lead-free KNN-based piezoelectric ceramics, representing significant progress in the development of high-performance and environmentally friendly piezoelectric materials.","PeriodicalId":5,"journal":{"name":"ACS Applied Materials & Interfaces","volume":"73 1","pages":""},"PeriodicalIF":9.5,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143758466","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}

{"title":"Advanced Fabrication of Graphene-Integrated High-Entropy Alloy@Carbon Nanocomposites as Superior Multifunctional Electrocatalysts","authors":"Imran Khan, Salman Khan, Shiuan-Yau Wu, Linlin Liu, Abdullah N. Alodhayb, James L. Mead, Sharafat Ali, Sibt ul Hassan, Hsin-Tsung Chen, Shin-Pon Ju, Shiliang Wang","doi":"10.1021/acsami.4c02468","DOIUrl":"https://doi.org/10.1021/acsami.4c02468","url":null,"abstract":"High entropy materials exhibit unparalleled reactivity and tunable electrochemical properties, putting them at the forefront of advances in electrocatalysis for water splitting. Their various interfaces and elements are purposefully engineered at the nanoscale, which is essential to enhancing their electrochemical characteristics. The exceptional catalytic efficiency observed in graphene-coated nanoparticles (NPs) with an inner high-entropy alloy (HEA) (HEA@C) is a result of the combined action of several metallic constituents. However, increasing catalytic efficiency is still a very difficult task, particularly when it comes to obtaining precise control over the composition and structure via efficient synthesis techniques. HEA@C NPs exceptional reactivity and adaptable electrochemical characteristics allow them to perform better in slow oxygen evolution (SOE) activities. The novel multilayer graphene-enhanced HEA CoNiFeCuV@C NPs electrocatalyst presented in this work is carbon-based, and transmission electron microscopy (TEM) investigations verify its efficacy. The efficiency of the oxygen evolution reaction (OER), hydrogen evolution reaction (HER), and oxygen reduction reaction (ORR) is greatly increased by this electrocatalyst. The electrocatalytic performance of the core–shell HEA CoNiFeCuV@C NPs is remarkable for HER, OER, and ORR, even though its highly stressed lattice has structural flaws. These catalysts reach a half-wave potential of 0.87 V in 0.1 M HClO₄ at a moderate current density of 10 mA cm^–2, with HER and OER onset potentials of 20 and 259 mV, respectively. Using cyclic voltammetry scans, the study delves deeper into the material’s evolution by examining its morphology, chemical state, and elemental makeup both before and after activation. In addition to introducing novel electrocatalysts, this study significantly enhances our understanding of the deliberate synthesis of multicomponent intermetallic high-entropy alloys.","PeriodicalId":5,"journal":{"name":"ACS Applied Materials & Interfaces","volume":"18 1","pages":""},"PeriodicalIF":9.5,"publicationDate":"2025-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143736672","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}

{"title":"Correction to “Iodinated Cyanine Dyes for Fast Near-Infrared-Guided Deep Tissue Synergistic Phototherapy”","authors":"Jie Cao, Jinnan Chi, Junfei Xia, Yanru Zhang, Shangcong Han, Yong Sun","doi":"10.1021/acsami.5c05647","DOIUrl":"https://doi.org/10.1021/acsami.5c05647","url":null,"abstract":"In the original version of this article on page 25723, one of the confocal microscopy images in Figure 3A was duplicated. Specifically, the ROS staining in the Cy7+NIR and CyI+0.3 W/cm² treatment groups share the same image. This mistake occurred during the figure assembly and was noticed by the authors during regular inspection of the published raw data. The correct Figure 3A is provided below. This correction does not affect the results and the conclusions of this article. Figure 3. (A) Confocal images of ROS generation in HepG2 cells after various treatments: untreated cells as control; cells treated with Cypate, Cy7 or CyI at different laser densities for 1 min, and CyI-treated cells covered with 1 cm pork tissue plus 1 min of laser irradiation (0.96 W/cm²). The scale bar is 30 μm. This article has not yet been cited by other publications.","PeriodicalId":5,"journal":{"name":"ACS Applied Materials & Interfaces","volume":"58 1","pages":""},"PeriodicalIF":9.5,"publicationDate":"2025-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143736679","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}

{"title":"High-Toughness and Hierarchical Stress-Dissipating Binder Based on Physicochemical Dual-Cross-Linking for High-Performance Silicon Anodes","authors":"Yang He, Feng Zhou, Yingxi Zhang, Tuan Lv, Paul K. Chu, Kaifu Huo","doi":"10.1021/acsami.4c22696","DOIUrl":"https://doi.org/10.1021/acsami.4c22696","url":null,"abstract":"Silicon (Si) is a promising anode material for next-generation lithium-ion batteries (LIBs), but the huge volume change of Si particles causes anode fracture and delamination from the current collector, thereby stifling practical implementation. Herein, a high-toughness and hierarchical stress-dissipating binder for Si anodes is prepared by the covalent and hydrogen bonding of poly(acrylic acid) (PAA) and a cross-linked polyurethane (CPU). The physicochemical dual-cross-linked CPU-PAA binder with high toughness, large tensile strength, and hierarchical stress dissipation improves the structural integrity of Si anodes and minimizes thickness swelling. Finite element analysis confirms that the CPU-PAA binder reduces and uniformizes the stress distribution within the Si anodes during cycling. As a result, the Si/CPU-PAA anode shows a high capacity retention of 82.3% after 150 cycles at a high current density of 5 A g^–1. Moreover, the Si/CPU-PAA//LiNi_0.5Co_0.2Mn_0.3O₂ full cell delivers stable cycling performance, highlighting the great potential of the CPU-PAA binder in high-energy-density LIBs. This work provides insights into the design of high-strength, large-toughness, and efficient stress-dissipating binders for high-performance Si anodes.","PeriodicalId":5,"journal":{"name":"ACS Applied Materials & Interfaces","volume":"25 1","pages":""},"PeriodicalIF":9.5,"publicationDate":"2025-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143744718","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}

{"title":"Wettability of Chemically Heterogeneous Clay Surfaces: Correlation between Surface Defects and Contact Angles as Revealed by Machine Learning","authors":"Gabriel D. Barbosa, Khang Quang Bui, Dimitrios V. Papavassiliou, Sepideh Razavi, Alberto Striolo","doi":"10.1021/acsami.4c20587","DOIUrl":"https://doi.org/10.1021/acsami.4c20587","url":null,"abstract":"Quantifying the wettability of clay surfaces and how it changes in the presence of gas mixtures is crucial for designing geo-energy applications such as underground hydrogen storage and carbon capture and sequestration. While computational studies exist for the wettability of atomically perfect mineral substrates, actual minerals possess heterogeneities. This study employs molecular dynamics simulations to examine the impact of surface defects on the wettability of kaolinite surfaces exposed to hydrogen, methane, and carbon dioxide. The results show that siloxane surfaces become more hydrophilic as defect densities increase and that the gases can strongly affect wettability. Carbon dioxide, in particular, shows stronger adsorption on heterogeneous surfaces than hydrogen and methane. As a consequence, carbon dioxide can strongly affect wettability. Additionally, our results show that higher salt concentrations reduce water contact angle, which is important because salt is likely present in the subsurface. A machine learning classification algorithm is applied to interpret the results and develop predictive capabilities. Our findings highlight the importance of surface defects on wettability, which is essential for designing geological repositories for geo-energy applications ranging from enhanced gas recovery to carbon sequestration and intermittent hydrogen storage.","PeriodicalId":5,"journal":{"name":"ACS Applied Materials & Interfaces","volume":"36 1","pages":""},"PeriodicalIF":9.5,"publicationDate":"2025-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143744716","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}

{"title":"200 nm Ultrathin Freestanding Organic Photovoltaics","authors":"Jingyu Chang, Zida Zheng, Qianqing Jiang, Dianyi Liu","doi":"10.1021/acsami.5c00913","DOIUrl":"https://doi.org/10.1021/acsami.5c00913","url":null,"abstract":"Ultrathin organic photovoltaics (OPVs) have great application prospects in the field of wearable electronics, such as electronic tattoos, electronic skins, etc. In this study, we report substrate-free ultrathin OPVs with a thickness of approximately 200 nm. The freestanding OPV devices achieve a power conversion efficiency of 11.6% and a power-per-weight ratio of 109.4 W g^–1, with a weight of 1.06 g m^–2. The ultrathin OPVs can self-adhere to various surfaces with complex and curved structures, ensuring excellent conformity. Notably, the ultrathin OPV devices demonstrate remarkable mechanical flexibility, maintaining 90% of their initial power conversion efficiency after 1000 compression-stretching cycles and are capable of bending to a radius of less than 2 μm. These attributes make ultrathin OPVs a crucial advancement in expanding the application landscape for wearable electronics and other special applications with ultraflexible and ultralight requests.","PeriodicalId":5,"journal":{"name":"ACS Applied Materials & Interfaces","volume":"41 1","pages":""},"PeriodicalIF":9.5,"publicationDate":"2025-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143736676","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}

{"title":"Implementation of Multiply Accumulate Operation and Convolutional Neural Network Based on Ferroelectric Tunnel Junction Memristors","authors":"Ziming Cheng, He Wang, Zeyu Guan, Zhengxu Zhu, Shengchun Shen, Yuewei Yin, Xiaoguang Li","doi":"10.1021/acsami.5c00740","DOIUrl":"https://doi.org/10.1021/acsami.5c00740","url":null,"abstract":"In the era of big data, traditional Von Neumann computers suffer from inefficiencies in terms of energy consumption and speed associated with data transfer between storage and processing. In-memory computing using ferroelectric tunnel junction (FTJ) memristors offers a potential solution to this challenge. Here, Hf_0.5Zr_0.5O₂-based FTJs on a silicon substrate are fabricated, which demonstrates 32 conductance states (5-bit), low cycle-to-cycle variation (1.6%) and highly linear (nonlinearity &lt;1) conductance manipulation. Based on an FTJ array with multiple FTJ devices, a custom-designed board with a field programmable gate array is utilized to perform accurate multiply accumulate operations and for image processing as various convolution operators. Notably, using FTJ devices as a convolutional layer, the convolutional neural network achieves a high accuracy of 92.5% for handwritten digit recognition, and exhibits orders of magnitude better energy efficiency compared to traditional CPU and GPU implementations. These findings highlight the promising potential of FTJs for realizing in-memory computing at the hardware level.","PeriodicalId":5,"journal":{"name":"ACS Applied Materials & Interfaces","volume":"58 1","pages":""},"PeriodicalIF":9.5,"publicationDate":"2025-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143744719","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}

{"title":"Synthesis, Characterization, and Osteogenic Ability of Fibrillar Polycaprolactone Scaffolds Containing Hydroxyapatite Nanoparticles","authors":"Taisa N. Pansani, Carlos Alberto de Souza Costa, Lais M. Cardoso, Amanda M. Claro, Hernane da Silva Barud, Fernanda G. Basso","doi":"10.1021/acsami.4c20796","DOIUrl":"https://doi.org/10.1021/acsami.4c20796","url":null,"abstract":"Polymer-based scaffolds for bone regeneration aim to mimic the structure and function of the collagen-rich extracellular matrix. Hydroxyapatite incorporated into these biomaterials improves their mechanical and biological properties due to its bioactive osteoconductive nature. The objectives of this study are to synthesize and characterize polycaprolactone (PCL) scaffolds containing hydroxyapatite nanoparticles (HAn) at 1, 2.5, 5, and 7% concentrations and to determine their cytocompatibility and osteogenic potential. Fiber thickness (<i>n</i> = 240) and interfibrillar space (<i>n</i> = 8) of PCL scaffolds were characterized by scanning electron microscopy (SEM). The PCL scaffolds were evaluated concerning their thermal degradation (TGA), calcium release, and hydrophilicity (WCA). Preosteoblasts were seeded on PCL scaffolds and assessed regarding their viability (AlamarBlue, <i>n</i> = 8), collagen synthesis (SR, <i>n</i> = 8), total protein synthesis (TP, <i>n</i> = 8), alkaline phosphatase activity (ALP, <i>n</i> = 8), deposition of mineralization nodules (MN, <i>n</i> = 8), and cell adhesion (fluorescence microscopy). The data analyses of the biomaterials, including TGA, energy dispersive spectroscopy (EDS), and Fourier transform infrared spectroscopy (FTIR), were interpreted descriptively. The quantitative data were statistically analyzed (α = 5%). Scaffolds without HAn exhibited thicker fibers. The higher incorporation of HAn in the PCL scaffolds increased the interfibrillar spaces and resulted in greater P and Ca peaks (<i>p</i> &lt; 0.05), as well as broader peaks representing the P–O group (FTIR). TGA demonstrated that PCL scaffold degradation was inversely proportional to their HAn concentration. Higher percentages of cell viability were observed with the incorporation of HAn. ALP activity increased in cells seeded onto PCL scaffolds containing 2.5% HAn. Deposition of MN was directly proportional to the amount of HAn incorporated. HAn incorporated into PCL scaffolds interferes with the physicochemical properties of these biomaterials and favors in vitro osteogenesis.","PeriodicalId":5,"journal":{"name":"ACS Applied Materials & Interfaces","volume":"15 1","pages":""},"PeriodicalIF":9.5,"publicationDate":"2025-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143736674","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}

{"title":"Depolarization Field Controllable HfZrOx-Based Ferroelectric Capacitors for Physical Reservoir Computing System","authors":"Euncho Seo, Eunjin Lim, Jio Shin, Sungjun Kim","doi":"10.1021/acsami.5c00213","DOIUrl":"https://doi.org/10.1021/acsami.5c00213","url":null,"abstract":"Reservoir computing as one of the artificial neural networks can process input signals in various ways, thereby showing strength in modeling data that changes over time. The reservoir is utilized in various fields because it is particularly energy efficient in learning and can exhibit powerful performance with relatively few trainings cost. This study emphasizes the significant advantages of the hafnium zirconium oxide (HZO) film in reservoir applications by controlling the depolarization field. The decay time of HZO-based ferroelectric memory devices is investigated, focusing on the impact of both ferroelectric layer thickness and interlayer (IL) thickness on physical reservoir computing system. Devices with HZO film thicknesses of 10, 15, and 20 nm were fabricated and characterized. Among these, the 15 nm HZO film demonstrated optimal thickness, exhibiting excellent ferroelectric properties, including enhanced orthorhombic phase (o-phase) formation and reliable short-term memory characteristics. When the optimized device for decay time is integrated into a reservoir computing system, it achieved a remarkable average accuracy of 93.42% in image recognition tasks, emphasizing its capability for high-precision computations.","PeriodicalId":5,"journal":{"name":"ACS Applied Materials & Interfaces","volume":"75 1","pages":""},"PeriodicalIF":9.5,"publicationDate":"2025-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143744717","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}

{"title":"3D-Printed Dual-Lineage Inductive Approach for Efficient Osteochondral Regeneration","authors":"Xinyi Ouyang, Rui Li, Wei Sun, Yuqing Gu, Junxin Lin, Zhang Fan, Xudong Yao, Hongyi Gu, Chang Xie, Wenyue Li, Yifei Yang, Yiyang Yan, Wei Wei, Bingbing Wu, Xiuying Chen, Bin He, Shufang Zhang, Yi Hong, Zhanfeng Cui, Xiaozhao Wang","doi":"10.1021/acsami.4c14063","DOIUrl":"https://doi.org/10.1021/acsami.4c14063","url":null,"abstract":"Osteochondral defect regeneration is challenging due to the mismatch between cartilage and subchondral bone. We developed a functionalized scaffold replicating the natural architecture, biochemical and biomechanical environment of both tissues to promote concurrent regeneration. Our bilayered, zone-specific scaffold combines tailored materials for each tissue type: gelatin methacryloyl (GelMA), modified hyaluronic acid, and umbilical cord-derived extracellular matrix (ECM) for the cartilage layer; GelMA, placenta-derived ECM, and nano amorphous calcium phosphate for the osseous layer. Using 3D digital light-processing printing, we constructed the scaffold with spatially distributed biochemical and biomechanical signaling. This approach created dual chondro-/osteogenic microenvironments facilitating bone marrow mesenchymal stem cell differentiation. <i>In vivo</i> studies demonstrated concurrent regeneration of cartilage and subchondral bone tissues with robust integration. This 3D-printed biomimetic scaffold, featuring dual-lineage inductive properties, shows promising potential for efficient osteochondral regeneration and addresses complex tissue engineering requirements.","PeriodicalId":5,"journal":{"name":"ACS Applied Materials & Interfaces","volume":"36 1","pages":""},"PeriodicalIF":9.5,"publicationDate":"2025-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143736673","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}