Interdisciplinary Materials最新文献

英文中文

Anisotropic thermally conductive films based on two‐dimensional nanomaterials 基于二维纳米材料的各向异性导热薄膜

IF 24.5 Q1 CHEMISTRY, PHYSICAL

Interdisciplinary Materials

Pub Date : 2024-07-21 DOI: 10.1002/idm2.12204

Lei Li, Qunfeng Cheng

The significant advancement of high‐power densification and miniaturization in modern electronic devices has attracted increasing attention to effective thermal management. The primary objective of thermal management is to transfer excess heat from electronics to the outside environment through the use of thermal conductive materials. The anisotropic thermally conductive films (TCFs) based on two‐dimensional (2D) nanomaterials exhibit outstanding controlled heat transfer capability, which effectively removes hotspots along the in‐plane direction and provides thermal insulation along the cross‐plane direction. However, a comprehensive review of anisotropic TCFs is rarely reported. Herein, we first discuss the intrinsic anisotropic thermal conductivity of 2D nanomaterials for preparing TCFs. Then, the preparation methods and anisotropic thermal conductivity of TCFs have been summarized and discussed. Furthermore, we conclude with the practical applications of TCFs for anisotropy thermal management. Finally, a conclusion of the challenges and outlook of TCFs is provided to promote their development in future scientific research.

现代电子设备在大功率密集化和微型化方面取得了长足进步，因此有效的热管理越来越受到关注。热管理的主要目的是通过使用导热材料将电子设备中多余的热量转移到外部环境中。基于二维（2D）纳米材料的各向异性导热薄膜（TCFs）具有出色的可控传热能力，可有效消除面内方向的热点并提供跨面方向的热绝缘。然而，有关各向异性 TCF 的全面综述却鲜有报道。在此，我们首先讨论了用于制备 TCFs 的二维纳米材料的固有各向异性导热性。然后，总结并讨论了 TCFs 的制备方法和各向异性热导率。此外，我们还总结了 TCFs 在各向异性热管理方面的实际应用。最后，总结了 TCFs 面临的挑战和前景，以促进其在未来科学研究中的发展。

引用次数: 0

Inside Front Cover: Volume 3 Issue 4 封面内页：第 3 卷第 4 期

IF 24.5 Q1 CHEMISTRY, PHYSICAL

Interdisciplinary Materials

Pub Date : 2024-07-18 DOI: 10.1002/idm2.12206

Inside Front Cover: In the review of doi:10.1002/idm2.12176, recent progress, mechanism, challenges, and perspectives in photocatalysis using the polar materials are summarized. As depicted in the image, under solar irradiation, the intrinsic internal electric field in polar catalysts facilitates the separation of carriers and the generation of reduction and oxidation products. Future research on photocatalysis using polar materials holds promise for significant advancements in environmental chemistry and energy engineering, leading to more efficient and sustainable energy solutions.

封面内页：doi:10.1002/idm2.12176的综述中总结了利用极性材料进行光催化的最新进展、机理、挑战和前景。如图所示，在太阳光照射下，极性催化剂中的固有内电场促进了载流子的分离以及还原和氧化产物的生成。利用极性材料进行光催化的未来研究有望在环境化学和能源工程领域取得重大进展，从而带来更高效、更可持续的能源解决方案。

引用次数: 0

Inside Back Cover: Volume 3 Issue 4 封底内页第 3 卷第 4 期

IF 24.5 Q1 CHEMISTRY, PHYSICAL

Interdisciplinary Materials

Pub Date : 2024-07-18 DOI: 10.1002/idm2.12207

Inside Back Cover: The present work in doi:10.1002/idm2.12169 demonstrates a scaffoldcorrelated evolved gas bubble behavior in the gas production electrocatalysis by threedimensional printing nickel-based sulfide (3DPNS) electrodes with varying scaffold structures. The primary objective was to explore the correlation between the number of hole sides (HS) present in the electrode scaffolds and the release of gas bubbles. In the context of the alkaline hydrogen evolution reaction (HER), an increase in the number of HS was observed to lead to a faster overflow of H2 bubbles, and this acceleration was attributed to the reduced size of the overflowing bubbles. The research outcomes hold significance in advancing the design and development of catalytic electrodes.

封底内页：doi:10.1002/idm2.12169》中的这项研究表明，在采用具有不同支架结构的三维印刷硫化镍（3DPNS）电极进行产气电催化时，存在与支架相关的气泡演化行为。主要目的是探索电极支架中存在的孔边（HS）数量与气泡释放之间的相关性。在碱性氢进化反应（HER）中，观察到孔边数量的增加会导致 H2 气泡更快地溢出，而这种加速是由于溢出的气泡尺寸减小所致。这些研究成果对推动催化电极的设计和开发具有重要意义。

引用次数: 0

Outside Back Cover: Volume 3 Issue 4 封底外页第 3 卷第 4 期

IF 24.5 Q1 CHEMISTRY, PHYSICAL

Interdisciplinary Materials

Pub Date : 2024-07-18 DOI: 10.1002/idm2.12208

Outside Back Cover: In the review of doi:10.1002/idm2.12177, we discussed the principle and electrochemistry of sodium-sulfur (Na-S) batteries and analyzed the critical role of heterostructured materials in addressing the inherent challenges faced by Na-S batteries. The cover image highlighted the two keywords of Na-S BATTERY and HETEROSTRUCTURE and showcased the relationship between them.

封底外页：在 doi:10.1002/idm2.12177 的综述中，我们讨论了钠硫（Na-S）电池的原理和电化学，分析了异质结构材料在解决钠硫（Na-S）电池所面临的固有挑战中的关键作用。封面图片突出了 "钠硫电池 "和 "异质结构 "这两个关键词，并展示了它们之间的关系。

引用次数: 0

Outside Front Cover: Volume 3 Issue 4 封面外页：第 3 卷第 4 期

IF 24.5 Q1 CHEMISTRY, PHYSICAL

Interdisciplinary Materials

Pub Date : 2024-07-18 DOI: 10.1002/idm2.12205

Outside Front Cover: The study in doi:10.1002/idm2.12170 investigates the effect of stabilizing the metastable phase on thermoelectric performance of GeSe by manipulating the chemical bonding mechanisms. This image illustrates the transformation of chemical bonding mechanism from covalent bonding to metavalent bonding and the corresponding phase transition from a stable orthorhombic to a metastable rhombohedral phase. The metastable phase demonstrates excellent thermoelectric performance, which can improve the conversion efficiency of thermoelectric device. High-performance thermoelectric devices have potential applications in chip heat-management systems and as power supply systems (RTGs) for longterm space exploration projects.

封面外页：doi:10.1002/idm2.12170》中的研究探讨了通过操纵化学键机制稳定硒化 GeSe 的蜕变相对其热电性能的影响。这张图片说明了化学键机制从共价键到偏五价键的转变，以及相应的从稳定的正方体相到可陨落的斜方体相的相变。蜕变相具有优异的热电性能，可以提高热电设备的转换效率。高性能热电器件有望应用于芯片热管理系统和长期太空探索项目的供电系统（RTGs）。

引用次数: 0

Facile synthesis of Pt clusters decorated TiO2 nanoparticles for efficient photocatalytic degradation of antibiotics 简便合成铂团簇装饰的 TiO2 纳米粒子，用于高效光催化降解抗生素

IF 24.5 Q1 CHEMISTRY, PHYSICAL

Interdisciplinary Materials

Pub Date : 2024-07-17 DOI: 10.1002/idm2.12203

Yin Pan, Weizhen Liang, Zongpeng Wang, Junjie Gong, Yichao Wang, Aijiao Xu, Zhenyuan Teng, S. Shen, Lin Gu, Wenwu Zhong, Hongsheng Lu, Baofu Chen

TiO2 has attracted much attention in the field of photocatalytic degradation of antibiotics due to its good photostability, nontoxicity, and low cost. However, the rapid recombination of photogenerated carriers limits the further improvement of its photocatalytic activity. Here, a facile microwave‐assisted hydrothermal method has been developed to prepare Pt clusters decorated TiO2 nanoparticles. Pt clusters ranging in size from 1 to 2 nm are uniformly distributed across the surface of the TiO2 matrix. A pronounced charge transfer phenomenon is discernible between the Pt and TiO2 components. It is revealed that the charge transfer enables faster transfer and separation of photogenerated electrons and holes, which are beneficial for the improvement of photocatalytic degradation of both ofloxacin and levofloxacin. The degradation capability can be attributed to the efficient generation of •OH or •O2− species within the solution. The parallel adsorption model of TiO2 on antibiotic molecules is verified, and the degradation reaction pathway has been elucidated. This work provides a facile method for optimizing the performance of TiO2 photocatalysts, which can be extended to other oxide photocatalysts.

二氧化钛具有良好的光稳定性、无毒性和低成本，因此在光催化降解抗生素领域备受关注。然而，光生载流子的快速重组限制了其光催化活性的进一步提高。在此，我们开发了一种简便的微波辅助水热法来制备铂团簇装饰的二氧化钛纳米粒子。铂团簇大小从 1 纳米到 2 纳米不等，均匀地分布在二氧化钛基体的表面。铂和二氧化钛成分之间存在明显的电荷转移现象。研究表明，电荷转移能使光生电子和空穴更快地转移和分离，有利于改善氧氟沙星和左氧氟沙星的光催化降解。降解能力可归因于溶液中有效生成的-OH 或-O2-物种。二氧化钛对抗生素分子的平行吸附模型得到了验证，降解反应途径也得以阐明。这项工作为优化二氧化钛光催化剂的性能提供了一种简便的方法，并可推广到其他氧化物光催化剂。

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引用次数: 0

Atypical artificial cells: Novel biomimetic materials for combating cancer 非典型人工细胞：用于抗癌的新型仿生材料

IF 24.5 Q1 CHEMISTRY, PHYSICAL

Interdisciplinary Materials

Pub Date : 2024-07-17 DOI: 10.1002/idm2.12199

Zhao-Yang Ren, Q. Wan, Yi-Na Zhu, Ling Li, Kai‐yan Wang, Fei Zhao, K. Jiao, Michelle Tang, Franklin R. Tay, Mei‐chen Wan, Li‐na Niu

The functional concept of using synthetic entities to supplement or replace certain functions or structures of biological cells is realized by the development of atypical artificial cells using a bottom‐up approach. Tremendous progress has been achieved over the past 5 years that focuses on the therapeutic applications of atypical artificial cells, especially in the anticancer arena. Artificial cell‐based anticancer strategies have demonstrated eminent advantages over conventional anticancer tactics, with excellent biocompatibility and targeting capability. The present review commences with introducing the constructing principles and classification of artificial cells. Artificial cell‐based applications in cancer prophylaxis, diagnosis, and treatment are subsequently highlighted. These stimulating outcomes may inspire the development of next‐generation anticancer therapeutic strategies.

利用合成实体来补充或替代生物细胞的某些功能或结构的功能性概念，是通过采用自下而上的方法开发非典型人工细胞来实现的。过去五年来，非典型人工细胞的治疗应用取得了巨大进展，尤其是在抗癌领域。与传统的抗癌策略相比，基于人工细胞的抗癌策略具有显著的优势，具有良好的生物相容性和靶向能力。本综述首先介绍了人工细胞的构建原理和分类。随后重点介绍了基于人工细胞的癌症预防、诊断和治疗应用。这些令人振奋的成果可能会激励下一代抗癌治疗策略的开发。

引用次数: 0

Interface strengthening for carbon fiber‐reinforced poly(ether‐ether‐ketone) laminated composites by introducing fluorene‐containing branched poly(aryl‐ether‐ketone) 通过引入含芴支链聚芳醚酮，增强碳纤维增强聚芳醚酮层压复合材料的界面强度

IF 24.5 Q1 CHEMISTRY, PHYSICAL

Interdisciplinary Materials

Pub Date : 2024-07-17 DOI: 10.1002/idm2.12200

Zheng Liu, Xuerong Fan, Xinghan Lu, Xuetao Shi, Junliang Zhang, Hua Guo, Mukun He, Junwei Gu

Fluorene‐containing branched poly(aryl‐ether‐ketone) (BFPAEK) with terminal hydroxyl groups is synthesized by random copolycondensation reaction; then, the CF@BFPAEK/PEEK laminated composite is prepared by the “powder impregnation‐high temperature compression molding” method with poly(ether‐ether‐ketone) (PEEK) as the matrix and BFPAEK‐modified carbon fiber (CF@BFPAEK) as the reinforcement. When the content of branched units in BFPAEK is 10% and the coating amount of BFPAEK on the carbon fiber (CF) surface is 3 wt%, the CF@BFPAEK/PEEK laminated composite has outstanding mechanical properties, with an interlaminar shear strength (ILSS) of 57.3 MPa and flexural strength of 589.4 MPa, which are 80.2% and 44.3% higher than those of the pure CF/PEEK laminated composite (31.8 and 408.4 MPa), respectively. After 288 h of hydrothermal aging and high/low‐temperature alternating aging, the corresponding retention rate of ILSS and flexural strength are respectively 87.9% and 84.7%, higher than those of pure CF/PEEK laminated composites (74.5% and 70.4%). The thermal conductivity coefficient and temperature for 5% weight loss of CF@BFPAEK/PEEK laminated composite are 1.85 W m−1 K−1 and 538.0°C, respectively.

通过无规共缩聚反应合成了具有末端羟基的含芴支链聚芳醚酮（BFPAEK），然后以聚芳醚酮（PEEK）为基体，以BFPAEK改性碳纤维（CF@BFPAEK）为增强体，采用 "粉末浸渍-高温压缩成型 "方法制备了CF@BFPAEK/PEEK层压复合材料。当 BFPAEK 中支化单元的含量为 10%、碳纤维（CF）表面的 BFPAEK 涂覆量为 3 wt%时，CF@BFPAEK/PEEK 层压复合材料具有优异的力学性能，层间剪切强度（ILSS）为 57.3 MPa，弯曲强度为 589.4 MPa，分别比纯 CF/PEEK 层压复合材料（31.8 和 408.4 MPa）高出 80.2% 和 44.3%。经过 288 h 的水热老化和高低温交变老化后，ILSS 和弯曲强度的相应保持率分别为 87.9% 和 84.7%，高于纯 CF/PEEK 层压复合材料的 74.5% 和 70.4%。CF@BFPAEK/PEEK 层压复合材料失重 5%时的导热系数和温度分别为 1.85 W m-1 K-1 和 538.0°C。

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引用次数: 0

Oxygenated carbon nitride‐based high‐energy‐density lithium‐metal batteries 含氧氮化碳基高能量密度锂金属电池

IF 24.5 Q1 CHEMISTRY, PHYSICAL

Interdisciplinary Materials

Pub Date : 2024-07-10 DOI: 10.1002/idm2.12201

Mengnan Shen, Ying-Li Wei, Man Ge, Shengdong Yu, Ronghui Dou, Liuhua Chen, Feng Wang, Yunhui Huang, Henghui Xu

Lithium (Li)‐metal batteries with polymer electrolytes are promising for high‐energy‐density and safe energy storage applications. However, current polymer electrolytes suffer either low ionic conductivity or inadequate ability to suppress Li dendrite growth at high current densities. This study addresses both issues by incorporating two‐dimensional oxygenated carbon nitride (2D OCN) into a polyvinylidene fluoride (PVDF)‐based composite polymer electrolyte and modifying the Li anode with OCN. The OCN nanosheets incorporated PVDF electrolyte exhibits a high ionic conductivity (1.6 × 10−4 S cm−1 at 25°C) and Li+ transference number (0.62), wide electrochemical window (5.3), and excellent fire resistance. Furthermore, the OCN‐modified Li anode in situ generates a protective layer of Li3N during cycling, preventing undesirable reactions with PVDF electrolyte and effectively suppressing Li dendrite growth. Symmetric cells using the upgraded PVDF polymer electrolyte and modified Li anode demonstrate long cycling stability over 2500 h at 0.1 mA cm−2. Full cells with a high‐voltage LiNi0.8Co0.1Mn0.1O2 cathode exhibit high energy density and long‐term cycling stability, even at a high loading of 8.2 mg cm−2. Incorporating 2D OCN nanosheets into the PVDF‐based electrolyte and Li‐metal anode provides an effective strategy for achieving safe and high‐energy‐density Li‐metal batteries.

采用聚合物电解质的锂（Li）金属电池有望实现高能量密度和安全储能应用。然而，目前的聚合物电解质要么离子电导率低，要么在高电流密度下抑制锂枝晶生长的能力不足。本研究通过将二维含氧氮化碳（2D OCN）加入聚偏二氟乙烯（PVDF）基复合聚合物电解质并用 OCN 对锂阳极进行改性，解决了这两个问题。加入了 OCN 纳米片的 PVDF 电解质具有很高的离子电导率（25°C 时为 1.6 × 10-4 S cm-1）和 Li+ 转移数（0.62），电化学窗口宽（5.3），并且具有优异的耐火性。此外，OCN 改性锂阳极在循环过程中会在原位生成一层 Li3N 保护层，防止与 PVDF 电解液发生不良反应，并有效抑制锂枝晶的生长。使用升级后的 PVDF 聚合物电解质和改性锂阳极的对称电池在 0.1 mA cm-2 的条件下显示出长达 2500 小时的循环稳定性。采用高电压 LiNi0.8Co0.1Mn0.1O2 阴极的全电池即使在 8.2 mg cm-2 的高负载条件下也能表现出高能量密度和长期循环稳定性。在基于 PVDF 的电解质和锂金属阳极中加入二维 OCN 纳米片为实现安全、高能量密度的锂金属电池提供了一种有效的策略。

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引用次数: 0

Three‐dimensional bioprinting biphasic multicellular living scaffold facilitates osteochondral defect regeneration 三维生物打印双相多细胞活支架促进骨软骨缺损再生

Interdisciplinary Materials

Pub Date : 2024-06-02 DOI: 10.1002/idm2.12181

Xingge Yu, M. Gholipourmalekabadi, Xudong Wang, Changyong Yuan, Kaili Lin

Due to tissue lineage variances and the anisotropic physiological characteristics, regenerating complex osteochondral tissues (cartilage and subchondral bone) remains a great challenge, which is primarily due to the distinct requirements for cartilage and subchondral bone regeneration. For cartilage regeneration, a significant amount of newly generated chondrocytes is required while maintaining their phenotype. Conversely, bone regeneration necessitates inducing stem cells to differentiate into osteoblasts. Additionally, the construction of the osteochondral interface is crucial. In this study, we fabricated a biphasic multicellular bioprinted scaffold mimicking natural osteochondral tissue employing three‐dimensional (3D) bioprinting technology. Briefly, gelatin‐methacryloyl (GelMA) loaded with articular chondrocytes and bone marrow mesenchymal stem cells (ACs/BMSCs), serving as the cartilage layer, preserved the phenotype of ACs and promoted the differentiation of BMSCs into chondrocytes through the interaction between ACs and BMSCs, thereby facilitating cartilage regeneration. GelMA/strontium‐substituted xonotlite (Sr‐CSH) loaded with BMSCs, serving as the subchondral bone layer, regulated the differentiation of BMSCs into osteoblasts and enhanced the secretion of cartilage matrix by ACs in the cartilage layer through the slow release of bioactive ions from Sr‐CSH. Additionally, GelMA, serving as the matrix material, contributed to the reconstruction of the osteochondral interface. Ultimately, this biphasic multicellular bioprinted scaffold demonstrated satisfactory simultaneous regeneration of osteochondral defects. In this study, a promising strategy for the application of 3D bioprinting technology in complex tissue regeneration was proposed.

由于组织血统的差异和各向异性的生理特点，再生复杂的骨软骨组织（软骨和软骨下骨）仍然是一个巨大的挑战，这主要是由于软骨和软骨下骨再生的要求不同。软骨再生需要大量新生成的软骨细胞，同时保持其表型。相反，骨再生需要诱导干细胞分化成成骨细胞。此外，骨软骨界面的构建也至关重要。在这项研究中，我们利用三维（3D）生物打印技术制作了一种模仿天然骨软骨组织的双相多细胞生物打印支架。简而言之，装载了关节软骨细胞和骨髓间充质干细胞（ACs/BMSCs）的明胶-甲基丙烯酰（GelMA）作为软骨层，保留了ACs的表型，并通过ACs和BMSCs之间的相互作用促进BMSCs分化为软骨细胞，从而促进软骨再生。载入 BMSCs 的 GelMA/锶替代氙石（Sr-CSH）作为软骨下骨层，通过 Sr-CSH 中生物活性离子的缓慢释放，调节 BMSCs 向成骨细胞的分化，并增强软骨层中 ACs 对软骨基质的分泌。此外，作为基质材料的 GelMA 也有助于骨软骨界面的重建。最终，这种双相多细胞生物打印支架实现了令人满意的骨软骨缺损同步再生。这项研究为三维生物打印技术在复杂组织再生中的应用提出了一种前景广阔的策略。

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