Materials Today最新文献_第3页

Phospholipids tailor mRNA lipid nanoparticle delivery efficacy and immunogenicity 磷脂调节mRNA脂质纳米颗粒递送效率和免疫原性

IF 22 1区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Today

Pub Date : 2026-01-01 DOI: 10.1016/j.mattod.2026.01.004

Lu Shi , Kexin Su , Lixin Lin , Xinxin Yan , Xinyue Zhang , Shun He , Xudong Fu , Xin Sheng , Na Kong , Shuai Liu

Lipid nanoparticles (LNPs) represent the most clinically advanced delivery platform for mRNA therapeutics and vaccines, yet currently approved formulations may not be broadly applicable for next-generation utility due to the double-edged sword of immunogenicity. While prior studies have primarily evaluated the contribution of ionizable lipids to immune stimulation, the effects of other components remain underappreciated. Here, we investigate the role of phospholipids in modulating LNP physicochemical characteristics, delivery efficiency, and immunogenicity. Among seven commonly used phospholipids, unsaturated and zwitterionic phospholipids exhibit moderate membrane fluidity and enhanced cellular uptake compared to the saturated counterparts. Notably, LNPs formulated with 1,2-dioleoyl-sn-glycero-3-phosphoethanolamine (DOPE) demonstrate significantly enhanced mRNA delivery efficiency following intravenous administration in vivo. In contrast, intramuscular delivery results in relatively consistent mRNA expression across different phospholipids, particularly in lymph nodes. Furthermore, DOPE-containing LNPs mediate relatively low immunogenicity in vivo, endowing non-immunogenic therapy potential. While incorporation of the immunostimulatory phospholipid 1,2-dioleoyl-sn-glycero-3-phosphocholine (DOPC) amplifies immune responses by promoting cytokine and chemokine secretion as well as immune cell infiltration, highlighting its promise for mRNA vaccine applications. Our findings demonstrate that the immunogenic profile of LNPs can be finely tuned through rational phospholipid optimization, underscoring the importance of tailoring LNP formulations to optimize performance across diverse therapeutic applications.

脂质纳米颗粒（LNPs）是临床上最先进的mRNA治疗药物和疫苗递送平台，但由于免疫原性的双刃剑，目前批准的配方可能无法广泛应用于下一代。虽然先前的研究主要评估了可电离脂质对免疫刺激的贡献，但其他成分的作用仍未得到充分认识。在这里，我们研究磷脂在调节LNP的物理化学特性、传递效率和免疫原性中的作用。在七种常用的磷脂中，与饱和磷脂相比，不饱和磷脂和两性离子磷脂表现出适度的膜流动性和增强的细胞摄取。值得注意的是，在体内静脉给药后，由1,2-二油基- asn -甘油-3-磷酸乙醇胺（DOPE）配制的LNPs显着提高了mRNA的递送效率。相反，肌内递送导致不同磷脂相对一致的mRNA表达，特别是在淋巴结中。此外，含有dope的LNPs在体内介导的免疫原性相对较低，具有非免疫原性治疗的潜力。而结合免疫刺激磷脂1,2-二甘油酯- syn -甘油-3-磷脂胆碱（DOPC）通过促进细胞因子和趋化因子的分泌以及免疫细胞浸润来放大免疫反应，突出了其在mRNA疫苗应用中的前景。我们的研究结果表明，LNP的免疫原性可以通过合理的磷脂优化来精细调节，强调了定制LNP配方以优化不同治疗应用性能的重要性。

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引用次数: 0

Recent progress and challenges of electrochemical artificial muscle fiber 电化学人造肌纤维的研究进展与挑战

IF 22 1区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Today

Pub Date : 2026-01-01 DOI: 10.1016/j.mattod.2025.12.016

Jie Deng , Ming Ren , Lizhong Dong , Wanfei Li , Jiangtao Di

Electrochemical artificial muscle fibers are a class of smart materials that rely on ion migration between the artificial muscle and electrolyte to produce reversible deformation, and are regarded as a new type of fiber-shaped actuators. Electrochemical artificial muscle fibers have attracted widespread attention due to their low driving voltage, negligible thermal effects, and ease of control. They hold great potential to significantly advance the development of fields such as wearable systems, assistive medicine, soft robotics, and intelligent interaction. After nearly two decades of progress, electrochemical artificial muscle fibers have achieved many exciting breakthroughs. In this paper, we systematically summarize the materials, fabrication, characterization, actuation mechanisms, and ion injection mechanisms of electrochemical artificial muscle fibers. Then we introduce the recent development regarding structure regulation, multifunctional integration, and application of electrochemical artificial muscle fibers. Finally, the challenges and prospects of electrochemical artificial muscle fibers are discussed. This review will guide the preparation of high-performance electrochemical artificial muscle fibers.

电化学人造肌纤维是一类依靠离子在人造肌肉和电解质之间迁移产生可逆变形的智能材料，被认为是一种新型的纤维形致动器。电化学人造肌纤维因其驱动电压低、热效应可忽略、易于控制等优点而受到广泛关注。它们在可穿戴系统、辅助医疗、软机器人和智能交互等领域的发展具有巨大的潜力。经过近二十年的发展，电化学人造肌纤维取得了许多令人兴奋的突破。本文系统地综述了电化学人造肌纤维的材料、制备、表征、驱动机理和离子注入机理。介绍了电化学人工肌纤维在结构调控、多功能集成、应用等方面的最新进展。最后，讨论了电化学人造肌纤维面临的挑战和发展前景。本文综述对高性能电化学人造肌纤维的制备具有指导意义。

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引用次数: 0

Clay activation: A review 粘土活化：综述

IF 22 1区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Today

Pub Date : 2026-01-01 DOI: 10.1016/j.mattod.2025.11.024

Dan Meng , Jean Noel Yankwa Djobo , Isabel Pol Segura , Rodrigue Cyriaque Kaze , Carsten Kuenzel , Navid Ranjbar

Intensive research on alternative cements targets Portland cement’s environmental impact, with clays emerging as prime candidates due to global abundance and compatibility with performant low-carbon binders such as geopolymers and limestone calcined clay cement. However, diverse clay minerals exist and the most widely available clays remain poorly understood, with fragmented data and a lack of integrated knowledge; this hinders their optimal utilisation. This review offers clay activation fundamentals and their key role in developing sustainable cementitious binders. It go through four major pillars: I) Fundamentals of phyllosilicates and common clay impurities, before activation; II) Cutting-edge characterisation techniques for quantifying clay reactivity, spanning micro- and nano-scale experimental methods to standardised protocols, with a critical evaluation of their limitations and potential; III) State-of-the-art clay activation techniques, analysing the evolution of various clay minerals under diverse thermal, mechanical, chemical, and combined treatments from mechanistic and microstructural perspectives; and IV) Current clay activation infrastructures and their performance efficiency. This critical review systematically revisits current knowledge by comparative analyses, identifying key gaps in the field, and examining challenges in scaling activation techniques for industrial adoption, providing a framework for future research and technological advancement.

针对波特兰水泥对环境的影响，人们对替代水泥进行了深入的研究，由于粘土在全球范围内储量丰富，且与高性能低碳粘合剂（如地聚合物和石灰石煅烧粘土水泥）相容性良好，因此粘土成为首选候选者。然而，存在多种粘土矿物，而最广泛获得的粘土仍然知之甚少，数据支离破碎，缺乏综合知识；这阻碍了它们的最佳利用。本文综述了粘土活化的基本原理及其在开发可持续胶凝粘结剂中的关键作用。它经过四个主要支柱：1)层状硅酸盐和普通粘土杂质的基本原理，在活化之前；II)用于量化粘土反应性的前沿表征技术，涵盖微观和纳米尺度的实验方法到标准化协议，并对其局限性和潜力进行批判性评估；III)最先进的粘土活化技术，从力学和微观结构角度分析各种粘土矿物在不同热、力学、化学和综合处理下的演化；现有粘土活化基础设施及其性能效率。这篇批判性的综述通过比较分析系统地回顾了当前的知识，确定了该领域的关键差距，并研究了在工业应用中扩大激活技术的挑战，为未来的研究和技术进步提供了一个框架。

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引用次数: 0

Hierarchical hollow silica shells for scalable and passive superinsulation 可伸缩和被动超绝缘用分层中空硅壳

IF 22 1区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Today

Pub Date : 2026-01-01 DOI: 10.1016/j.mattod.2025.12.025

Taotao Meng , Dejian Dong , Long Zhu , Hannah Kriney , Dylan Stone , Wei Liu , Tashfiqul Islam , Chen Zhang , Emils Gustav Benjamin Jurcik , Damena Agonafer , Mohammad Daud , Jongmin Shim , Jason Armstrong , Chunsheng Wang , Shenqiang Ren

Porous silica materials are highly valued for their thermal management potential, with their high porosity and large surface area making them ideal for insulation. However, challenges persist in their practical manufacturing and in establishing clear relationships between their structure and insulation performance. Here, we report a rapid 10-minute gelation process under ambient temperature and pressure conditions to enable scalable manufacturing of tunable SiO₂ hollow spheres. By systematically investigating the effects of synthetic conditions, the resulting SiO₂ hollow spheres demonstrate a thermal conductivity as low as 15 mW m⁻¹ K⁻¹ and porosity exceeding 98 %. We found through simulations that a higher contact area between hollow silica particles leads to increased thermal conductivity. Additionally, we incorporated hollow silica into ceramic fibers, which presents additional advantages for thermal protection against transient high-temperature loads by effectively delaying heat propagation through heat absorption and self-extinguishing behavior in the presence of fire. Notably, the production process features a carbon footprint of 17.07 kg CO₂/kg and a production yield of up to 40 %, striking a balance between performance and sustainability. This study marks a key step in advancing SiO₂ hollow spheres as effective thermal management materials.

多孔硅材料因其热管理潜力而受到高度重视，其高孔隙率和大表面积使其成为理想的绝缘材料。然而，在它们的实际制造和在它们的结构和绝缘性能之间建立明确的关系方面，挑战仍然存在。在这里，我们报告了在环境温度和压力条件下10分钟的快速凝胶化过程，以实现可调SiO2空心球体的可扩展制造。通过系统研究合成条件的影响，得到的SiO2空心球导热系数低至15 mW m−1 K−1，孔隙率超过98%。我们通过模拟发现，中空二氧化硅颗粒之间的接触面积越大，导热系数越高。此外，我们在陶瓷纤维中加入了空心二氧化硅，通过吸热有效地延迟热传播，并在火灾中具有自熄行为，从而为抵御瞬态高温负荷提供了额外的热保护优势。值得注意的是，生产过程的碳足迹为17.07 kg CO2/kg，产量高达40%，在性能和可持续性之间取得了平衡。该研究标志着SiO2空心球作为有效热管理材料向前迈进了关键一步。

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引用次数: 0

High-throughput development of flexible amorphous materials showing large anomalous Nernst effect via automatic annealing and thermoelectric imaging 利用自动退火和热电成像技术高通量开发具有大异常能思效应的柔性非晶态材料

IF 22 1区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Today

Pub Date : 2026-01-01 DOI: 10.1016/j.mattod.2025.12.027

Sang J. Park , Ravi Gautam , Abdulkareem Alasli , Takamasa Hirai , Fuyuki Ando , Hosei Nagano , Hossein Sepehri-Amin , Ken-ichi Uchida

This work demonstrates high-throughput screening of flexible magnetic materials for efficient transverse thermoelectric conversion based on the anomalous Nernst effect (ANE). The approach integrates automated annealing and contactless measurement of transport properties using lock-in thermography. We screen 151 Fe-based alloy ribbons with varying compositions and annealing conditions. Seven high-performance candidates with mechanical flexibility are identified, exhibiting anomalous Nernst coefficients ranging from 3.6 ± 0.4 to 4.8 ± 0.8 µV/K, representing the highest values reported for flexible materials. Structural analysis reveals that ANE enhancement occurs universally near the first crystallization temperature of the Fe-based ribbons, without strong correlation with composition. Notably, the enhancement is also observed in samples without Cu or Fe nanoclusters, indicating that short-range atomic order in the amorphous matrix may play a role in ANE. These findings demonstrate the effectiveness of high-throughput methodologies for discovering advanced ANE materials and provide new insights into thermoelectric conversion in disordered systems, where conventional Berry-curvature-based design principles for crystalline materials fall short.

这项工作展示了基于反常能效应（ANE）的高效横向热电转换的柔性磁性材料的高通量筛选。该方法集成了自动退火和使用锁定热成像的非接触式传输特性测量。我们筛选了151条不同成分和退火条件的铁基合金带。七个具有机械柔韧性的高性能候选材料，其反常能系数范围为3.6±0.4至4.8±0.8µV/K，代表柔性材料的最高值。结构分析表明，ANE增强普遍发生在铁基条带的第一结晶温度附近，与成分没有很强的相关性。值得注意的是，在没有Cu或Fe纳米团簇的样品中也观察到这种增强，这表明非晶基体中的短程原子有序可能在ANE中起作用。这些发现证明了高通量方法在发现先进的ANE材料方面的有效性，并为无序系统中的热电转换提供了新的见解，而传统的基于berry曲率的晶体材料设计原则在这方面存在不足。

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引用次数: 0

Self-confining-pressure structures double the compressive strength of metamaterials by applying lessons from nature and architecture 自围压结构通过应用自然界和建筑的经验教训，使超材料的抗压强度增加了一倍

IF 22 1区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Today

Pub Date : 2026-01-01 DOI: 10.1016/j.mattod.2025.12.001

Chenwei Shao, Huicong Chen, Yu Zou

Metallic materials with high strength-to-weight ratios, or specific strengths, have been sought after for centuries, from aircraft and automobiles to electronic devices and biomedical implants. Inspired by tube-in-tube structures in nature and architecture, we fabricate metallic metamaterials with self-confining-pressure structures (SCPS), achieving exceptional compressive yield strength up to 1272 MPa (a specific strength of 379.7 kN∙m/kg) in AlSi7Mg-Ti6Al4V (Al-Ti) metamaterials. Such metamaterials—exceeding that of its constituents, while maintaining an asymmetrical tensile yield strength up to 696 MPa. This remarkable strength amplification originates from the induced triaxial stress state within the SCPS architecture and confining-pressure-induced dislocation multiplications. We propose a mechanical model that quantitatively captures the strengthening effect of SCPS. The design strategy of SCPS significantly enhances the compressive strength ceilings of existing structural materials without sacrificing their tensile strength and ductility, enabling anisotropic mechanical performance for demanding aerospace, automotive, and a wide range of engineering applications.

几个世纪以来，从飞机和汽车到电子设备和生物医学植入物，人们一直在寻找具有高强度-重量比或特定强度的金属材料。受自然和建筑中的管中管结构的启发，我们制造了具有自围压结构（SCPS）的金属超材料，在AlSi7Mg-Ti6Al4V （Al-Ti）超材料中获得了高达1272 MPa（比强度为379.7 kN∙m/kg）的特殊抗压屈服强度。这种超材料-超过其成分，同时保持不对称的抗拉屈服强度高达696兆帕。这种显著的强度放大源于SCPS结构中诱导的三轴应力状态和围压诱导的位错增殖。我们提出了一个定量捕获SCPS强化效应的力学模型。SCPS的设计策略显著提高了现有结构材料的抗压强度上限，而不牺牲其抗拉强度和延展性，从而实现了要求苛刻的航空航天、汽车和广泛的工程应用的各向异性力学性能。

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引用次数: 0

A synthetic hydrogel niche reveals the interplay of matrix adhesion and mechanics in human epiblast model development 一个合成的水凝胶生态位揭示了基质粘附和力学在人类外胚层模型发育中的相互作用

IF 22 1区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Today

Pub Date : 2026-01-01 DOI: 10.1016/j.mattod.2025.12.007

Yanuar Dwi Putra Limasale , Passant Atallah , Andrea Meinhardt , Ayham Frra , Aukha Stoppa , Manfred F. Maitz , Jens Friedrichs , Uwe Freudenberg , Carsten Werner

Investigating the role of physical and adhesive matrix cues in human peri-implantation development is hampered by insufficiently defined culture systems, limiting mechanistic understanding. Here, we use a rationally designed matrix metalloproteinase (MMP)-cleavable glycosaminoglycan-based hydrogel system with orthogonally tunable stiffness and adhesiveness to systematically dissect the exogenous control of epiblast morphogenesis in an induced pluripotent stem cell (iPSC)-based model system. A Design of Experiments (DoE) approach reveals that matrix adhesiveness is the primary factor governing iPSC survival, outweighing the influence of stiffness. We further reveal that adhesive ligand presentation, matrix stiffness, and prolonged Rho-associated protein kinase (ROCK) inhibition cooperatively drive the self-organization of iPSCs into lumenized structures with apicobasal polarity. The resulting epiblast models maintain pluripotency and trilineage differentiation potential. Importantly, pluripotency maintenance and morphogenetic competence are partially decoupled, with matrix properties more strongly influencing morphogenesis than pluripotency among viable cells. In sum, our work establishes a defined platform to decouple the interplay of matrix mechanics and adhesion, revealing how their coordination with intracellular signaling controls early epiblast development and providing design principles for engineering synthetic microenvironments that recapitulate developmental processes.

研究物理和粘附基质线索在人类植入周发育中的作用受到不充分定义的培养系统的阻碍，限制了对机制的理解。在这里，我们使用合理设计的基质金属蛋白酶(MMP)-可切割的糖胺聚糖为基础的水凝胶体系，具有正交可调的刚度和粘附性，系统地解剖外源控制外胚层形态发生的诱导多能干细胞（iPSC）为基础的模型系统。实验设计（DoE）方法表明，基质粘附性是影响iPSC存活的主要因素，超过了刚度的影响。我们进一步发现，粘附配体的呈现、基质刚度和rho相关蛋白激酶（ROCK）的长时间抑制共同驱动iPSCs的自组织成为具有尖基底极性的流明结构。由此产生的外胚层模型保持多能性和三龄分化潜能。重要的是，多能性维持和形态发生能力是部分分离的，在活细胞中，基质特性比多能性对形态发生的影响更大。总之，我们的工作建立了一个明确的平台来解耦基质力学和粘附的相互作用，揭示它们如何与细胞内信号传导协调控制早期外胚层发育，并为概括发育过程的工程合成微环境提供设计原则。

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引用次数: 0

Ultrasound-activated cyclic brush polymer nanotheranostic system for multimodal imaging and therapy in diabetes-induced osteoarthritis 超声激活的环状刷聚合物纳米治疗系统用于糖尿病性骨关节炎的多模态成像和治疗

IF 22 1区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Today

Pub Date : 2026-01-01 DOI: 10.1016/j.mattod.2025.11.025

Miao Zhang , Xu Peng , Hong Xu , Kai Ren , Haiqin Tang , Shuaibing Wang , Jun Luo , Jing Xie , Jianshu Li

Diabetes-induced osteoarthritis (DOA) is a degenerative disease of bone and joint induced or aggravated by metabolic disorder of diabetes, with significant concealment and disability. Clinical evidence indicates that traditional osteoarthritis therapies are difficult to meet the complex pathological microenvironment of DOA and precise theranostics of deep lesions remains a significant challenge. Herein, we have developed an advanced NIR-immunotheranostic nanosystem (ACBPD) that integrates cyclic brush polymer-based prodrug immunotherapeutics and imaging agents for precise DOA real-time non-invasive diagnosis with multi-pronged DOA treatments. The sustained superlubricity (COF ∼ 0.016 for 14,400 cycles) and immunomodulatory properties of ACBPD significantly alleviated joint destruction caused by glucose metabolism disorder (89.5 % reduction in osteophytes). Furthermore, Ultrasound-activated hyperthermia ACBPD with high photothermal conversion efficiency (61.8 %) assisted self-adaptive metformin release, activating the PI3K-Akt and calcium signaling pathways, while inhibiting NF-κB inflammatory pathways, thereby regulating T2DM-induced glucotoxicity and oxidative stress to reconstruct DOA osteoimmune microenvironment homeostasis. Notably, the unique photoacoustic and contrast-enhanced ultrasound imaging capabilities of ACBPD allow for precise joint depiction and real-time dynamic monitoring of DOA joint oxygen saturation (79 %). Therefore, this work realizes the theranostics of DOA for the first time, offering new avenues for clinical management of deep bone-related diseases.

糖尿病性骨关节炎（DOA）是一种由糖尿病代谢紊乱诱发或加重的骨关节退行性疾病，具有明显的隐蔽性和致残性。临床证据表明，传统的骨关节炎治疗方法难以满足DOA复杂的病理微环境，深部病变的精确治疗仍然是一个重大挑战。在此，我们开发了一种先进的nir免疫治疗纳米系统（ACBPD），该系统集成了基于环状刷状聚合物的前药免疫治疗和显像剂，用于精确的DOA实时无创诊断和多管齐下的DOA治疗。ACBPD的持续超润滑性（COF ~ 0.016，持续14,400个循环）和免疫调节特性显著减轻了葡萄糖代谢紊乱引起的关节破坏（骨赘减少89.5%）。此外，光热转换效率高（61.8%）的超声激活热疗ACBPD辅助自适应二甲双胍释放，激活PI3K-Akt和钙信号通路，同时抑制NF-κB炎症通路，从而调节t2dm诱导的糖毒性和氧化应激，重建DOA骨免疫微环境稳态。值得注意的是，ACBPD独特的光声和对比度增强超声成像能力允许精确的关节描绘和实时动态监测DOA关节氧饱和度（79%）。因此，本工作首次实现了DOA的治疗学，为深部骨相关疾病的临床治疗提供了新的途径。

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引用次数: 0

Feasibility of high-entropy ceramics as next-generation dry-machining tools 高熵陶瓷作为下一代干式加工工具的可行性

IF 22 1区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Today

Pub Date : 2026-01-01 DOI: 10.1016/j.mattod.2025.12.033

Long Zhao , Jialin Sun , Mingdong Yi , Xiao Li , Jun Zhao

High-entropy ceramics have been intensively studied over the past decade, exhibiting superior mechanical-thermal properties compared to traditional ceramics, making them attractive for high-speed dry-machining applications. Here, we determined the feasibility of high-entropy ceramics as a dry-machining tool through thoroughly investigating the mechanical response, oxidation behavior, and cutting performance of (HfNbTaTiZr)N high-entropy nitride. The HEN performed a combination of exceptionally high hardness (29.38 GPa) and toughness (6.71 MPa∙m^1/2), to a certain extent, circumvented the long-lasting hardness-toughness paradox of traditional ceramic cutting tools, identifying the potential role of HEN as a machining tool. Furthermore, the rather slow oxidation rate, coupled with the phase structure stability of the oxide layer, indicated the enhanced oxidation resistance of HEN than traditional ceramic cutting tools, further endowing the HEN with promising dry-machining applications. Finally, the significantly high dry-machining tool life of HEN confirmed the feasibility of HEN as a cutting tool, developing a cooperative adaptive mechanism for the coupled and interacted thermal–mechanical-chemical multi-fields during the high-speed dry-machining process. We expect that this investigation offers a general and practical way for high-entropy ceramics as high-speed dry-machining tools.

在过去的十年里，高熵陶瓷得到了广泛的研究，与传统陶瓷相比，高熵陶瓷表现出优越的机械热性能，使其在高速干式加工应用中具有吸引力。在这里，我们通过深入研究（HfNbTaTiZr）N高熵氮化物的力学响应、氧化行为和切削性能，确定了高熵陶瓷作为干式加工工具的可行性。HEN具有极高的硬度（29.38 GPa）和韧性（6.71 MPa∙m1/2），在一定程度上解决了传统陶瓷刀具长期存在的硬度-韧性悖论，确定了HEN作为加工刀具的潜在作用。此外，相对较慢的氧化速率，加上氧化层相结构的稳定性，表明HEN比传统陶瓷刀具具有更强的抗氧化性，进一步赋予HEN在干式加工方面的应用前景。最后，HEN显著的高干式加工刀具寿命证实了HEN作为切削刀具的可行性，为高速干式加工过程中热-机械-化学多场耦合和相互作用建立了协同自适应机制。我们期望这项研究能为高熵陶瓷作为高速干式加工工具提供一条通用和实用的途径。

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引用次数: 0

Strategic advances in perovskite oxide photocatalysts for efficient CO2 reduction: Challenges and future outlook 高效二氧化碳还原钙钛矿光催化剂的战略进展：挑战与未来展望

IF 22 1区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Today

Pub Date : 2026-01-01 DOI: 10.1016/j.mattod.2025.12.028

Anwar Ali , Adnan Ali Khan , Iqtidar Ahmad , Ismail Shahid

The synergistic effects of rapid industrialization and excessive fossil fuel utilization have compromised the biosphere, resulting in energy deficits and adversely affecting environmental health through substantial carbon dioxide (CO₂) emissions. Photocatalytic CO₂ reduction represents a pivotal strategy for addressing the dual challenges of climate change and energy scarcity. Perovskite oxides represent a prospective class of materials for mitigating global environmental sustainability challenges, owing to their tunable physicochemical properties, enhanced stability, and adaptable compositional characteristics. While several reviews have explored photocatalytic CO₂ reduction via perovskite oxides, a detailed examination of strategies specifically aimed at improving their photocatalytic performance is still lacking. We herein review the structural preferences and targeted engineering of perovskite oxides to enhance their photocatalytic efficacy in converting CO₂ into energy-rich molecular species. This review commences with an introduction to the underlying theory of photocatalysis and the CO₂ reduction mechanism over perovskite oxides. Next, we provide an in-depth examination of the latest developments in optimizing photocatalytic activity of perovskite oxides, emphasizing innovative strategies such as spin polarized band splitting, interfacial engineering via heterojunctions, tuning of electronic structure through doping, defect engineering, built-in electric field manipulation, photothermal effects, metal exsolution, and hybrid molecular catalyst-perovskite systems. Lastly, this review highlights the promising prospects and future directions for perovskite oxide-based photocatalysts in CO₂ reduction applications, providing a valuable roadmap for the development of enhanced and rational photocatalytic materials.

快速工业化和过度使用化石燃料的协同效应损害了生物圈，造成能源短缺，并通过大量二氧化碳排放对环境健康产生不利影响。光催化CO2减排是解决气候变化和能源短缺双重挑战的关键策略。钙钛矿氧化物具有可调的物理化学性质、增强的稳定性和适应性强的成分特征，是缓解全球环境可持续性挑战的一种有前景的材料。虽然有几篇综述探讨了通过钙钛矿氧化物光催化二氧化碳还原，但专门针对改善其光催化性能的策略的详细检查仍然缺乏。本文综述了钙钛矿氧化物的结构偏好和针对性工程，以提高其光催化效率，将CO2转化为富含能量的分子物质。本文首先介绍了光催化的基本理论和钙钛矿氧化物上CO2的还原机理。接下来，我们深入研究了优化钙钛矿氧化物光催化活性的最新进展，重点介绍了自旋极化带分裂、异质结界面工程、掺杂电子结构调谐、缺陷工程、内置电场操纵、光热效应、金属外溶和杂化分子催化剂-钙钛矿系统等创新策略。最后，综述了钙钛矿基光催化剂在CO2还原中的应用前景和未来发展方向，为开发增强型、合理型光催化材料提供了有价值的路线图。

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引用次数: 0