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35 challenges in materials science being tackled by PIs under 35(ish) in 2024 2024 年 35 岁(左右)以下 PI 正在应对的材料科学领域的 35 项挑战
IF 17.3 2区 医学 Q2 CHEMISTRY, MEDICINAL Pub Date : 2024-11-06 DOI: 10.1016/j.matt.2024.09.026
Isabel Abánades Lázaro , Athina Anastasaki , Herdeline Ann M. Ardoña , Maxx Q. Arguilla , Abdulaziz S.R. Bati , Munkhbayar Batmunkh , Quinn A. Besford , Michelle P. Browne , Saffron J. Bryant , Marco Carlotti , Claudia Contini , Colm Delaney , Emily R. Draper , Aaron Elbourne , Jack D. Evans , Larisa Florea , Antoni Forner-Cuenca , Alexander C. Forse , Miguel I. Gonzalez , Simon Krause , Steven W. Cranford
Here, we highlight 35 global researchers approximately under the age of 35. This third annual cohort was self-generated by initial seed invitations sent by the editorial team, with each contributor suggesting two more in a nominally supervised self-selecting pyramid-like scheme. The final collection reflects both the diversity and excitement across the field of materials science.
在此,我们重点介绍 35 位年龄大约在 35 岁以下的全球研究人员。这第三届年会由编辑部发出种子邀请,每位投稿人再推荐两位,在名义上是监督下的金字塔式自我选择计划。最终的作品集反映了材料科学领域的多样性和激动人心的时刻。
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引用次数: 0
Interactions between H2O and lead halide perovskites: Recent progress and applications H2O 与卤化铅包晶石之间的相互作用:最新进展与应用
IF 17.3 2区 医学 Q2 CHEMISTRY, MEDICINAL Pub Date : 2024-11-06 DOI: 10.1016/j.matt.2024.08.001
Jingjing Cao , Xiaoyu Zhang , Yanfeng Miao , Wen Li , Xiankan Zeng , Shiyu Yang , Cheng Yan , Jun Lu , Weiqing Yang
The synthesis of lead halide perovskites typically involves airborne H2O molecules, which can exist in gaseous, liquid, or solid forms. Generally, H2O is considered harmful to perovskite materials and devices, causing alarm at the mere mention of it. However, this pair of “old friends” always demonstrate a complex “love-hate” relationship. In some cases, H2O can positively affect perovskites, endowing them with excellent properties. A comprehensive understanding of their interactions with H2O will be crucial for the commercialization of perovskites. Here, we summarize recent progress on the interactions between H2O and lead halide perovskites, focusing primarily on three areas: growth regulation, crystallization regulation, and interactions with already-formed perovskites. These interactions allow perovskites to be widely used in a variety of fields, including light-emitting diodes, solar cells, photodetectors, anti-counterfeiting, and bioimaging. Finally, we discuss the challenges and prospects of green synthesis, interfacial chemistry, and precursor solution chemistry.
卤化铅包晶石的合成通常会涉及空气中的 H2O 分子,它们可以以气态、液态或固态形式存在。一般来说,H2O 被认为对包晶石材料和设备有害,只要提到它就会引起人们的警惕。然而,这对 "老朋友 "却总是表现出复杂的 "爱恨 "关系。在某些情况下,H2O 能对过氧化物产生积极影响,赋予它们优异的性能。全面了解它们与 H2O 的相互作用对于包光体的商业化至关重要。在此,我们总结了 H2O 与卤化铅包晶石之间相互作用的最新进展,主要集中在三个方面:生长调节、结晶调节以及与已形成的包晶石之间的相互作用。这些相互作用使包晶石得以广泛应用于发光二极管、太阳能电池、光电探测器、防伪和生物成像等多个领域。最后,我们讨论了绿色合成、界面化学和前驱体溶液化学所面临的挑战和前景。
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引用次数: 0
Cerium-based halide perovskite derivatives: A promising alternative for lead-free narrowband UV photodetection 铈基卤化物包晶衍生物:无铅窄带紫外光检测的理想替代品
IF 17.3 2区 医学 Q2 CHEMISTRY, MEDICINAL Pub Date : 2024-11-06 DOI: 10.1016/j.matt.2024.07.010
Swagata Panchanan , Ghulam Dastgeer , Subhajit Dutta , Manman Hu , Seung-Un Lee , Jino Im , Sang Il Seok
Metal halide perovskites are promising for optoelectronic applications but face challenges like lead toxicity, poor stability, and low photoluminescence quantum yield (PLQY). Cs3CeBr6, a non-toxic rare-earth material, is a potential lead-free alternative. As the synthesis of Cs3CeBr6 traditionally requires high temperatures, this study presents a low-temperature, eco-friendly, and cost-effective method for its formation. The material exhibits a narrow UV excitation range (280–370 nm) and emits violet light with an impressive PLQY of ∼89% and a photoluminescence (PL) decay time of 28.3 ns. Utilizing these properties, an efficient spectrum-selective visible-blind UV photodetector was developed, demonstrating exceptional responsivity (2.05 A/W) and high detectivity (1013 Jones) at low bias voltage (1 V). The device shows long-term stability and energy efficiency. This study explores carrier transport and defect dynamics in thin films to enhance UV responsiveness, marking a significant advancement in low-power-consumption device technology.
金属卤化物过氧化物在光电应用中大有可为,但也面临着铅毒性、稳定性差和光致发光量子产率(PLQY)低等挑战。Cs3CeBr6 是一种无毒稀土材料,是一种潜在的无铅替代品。由于 Cs3CeBr6 的合成传统上需要高温,本研究提出了一种低温、环保且经济高效的方法。该材料具有较窄的紫外激发范围(280-370 nm),能发出紫光,PLQY 为 89%,光致发光(PL)衰减时间为 28.3 ns。利用这些特性,我们开发出了一种高效的光谱选择性可见光盲紫外光光电探测器,在低偏置电压(1 V)下表现出卓越的响应度(2.05 A/W)和高检测度(1013 Jones)。该器件具有长期稳定性和能效。这项研究探索了薄膜中的载流子传输和缺陷动力学,从而提高了紫外响应性,标志着低功耗器件技术取得了重大进展。
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引用次数: 0
Advancements in cerium/titanium metal-organic frameworks: Unparalleled stability in CO oxidation 铈/钛金属有机框架的进展:一氧化碳氧化过程中无与伦比的稳定性
IF 17.3 2区 医学 Q2 CHEMISTRY, MEDICINAL Pub Date : 2024-11-06 DOI: 10.1016/j.matt.2024.07.013
Xingjie Wang , Susanne Reischauer , Haomiao Xie , Geun-Ho Han , Haley Wellman , Kent O. Kirlikovali , Karam Idrees , Florencia A. Son , Justin M. Notestein , Omar K. Farha
Due to the excellent catalytic properties of Ce-based materials, the development of thermally stable metal-organic frameworks (MOFs) based on Ce-oxo clusters has attracted significant attention but remains challenging. In this work, we report the synthesis of an unreported Ce4Ti2-TMA (CeIV4TiIV2O4(OH)4(C(CH3)3COO)12·3H2O·3MeCN) cluster, which serves as an ideal source for the assembly of robust Ce/Ti-MOFs. Using this cluster, we constructed two isostructural MOFs, denoted as NU-3000 and NU-3001. Single-crystal X-ray diffraction analysis confirms these MOFs as mesoporous structures with 12-coordinated Ce3Ti3 nodes. Furthermore, structural analysis reveals a plane triangular node structure that likely contributes to the excellent thermal stability of these MOFs. Finally, both MOFs show catalytic activity toward high-temperature (250°C) CO oxidation and maintain significant porosity, emphasizing the thermal stability of these materials under practical catalytic conditions. The straightforward synthesis of thermally robust Ce/Ti-MOFs from the Ce4Ti2-TMA cluster will pave the way for future Ce/Ti-MOF-based catalyst development.
由于铈基材料具有优异的催化性能,开发基于铈-氧簇的热稳定金属有机框架(MOFs)引起了广泛关注,但这一工作仍具有挑战性。在这项工作中,我们报告了一种未报道过的 Ce4Ti2-TMA (CeIV4TiIV2O4(OH)4(C(CH3)3COO)12-3H2O-3MeCN)团簇的合成,它是组装稳健的 Ce/Ti-MOFs 的理想来源。利用该簇,我们构建了两种等结构的 MOFs,分别命名为 NU-3000 和 NU-3001。单晶 X 射线衍射分析证实,这些 MOFs 是具有 12 个配位 Ce3Ti3 节点的介孔结构。此外,结构分析还显示了一种平面三角形节点结构,这可能是这些 MOFs 具有出色热稳定性的原因。最后,这两种 MOFs 对高温(250°C)一氧化碳氧化显示出催化活性,并保持了显著的孔隙率,强调了这些材料在实际催化条件下的热稳定性。从 Ce4Ti2-TMA 簇直接合成热稳定性好的 Ce/Ti-MOFs 将为未来基于 Ce/Ti-MOF 的催化剂开发铺平道路。
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引用次数: 0
Knowledge paradigms, hold the Bacon! 知识范式,捧起培根!
IF 17.3 2区 医学 Q2 CHEMISTRY, MEDICINAL Pub Date : 2024-11-06 DOI: 10.1016/j.matt.2024.10.005
Sandra Helen Skjaervoe
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引用次数: 0
Design principles for air stabilized layered oxide battery cathodes 空气稳定层状氧化物电池阴极的设计原理
IF 17.3 2区 医学 Q2 CHEMISTRY, MEDICINAL Pub Date : 2024-11-06 DOI: 10.1016/j.matt.2024.09.015
Peng Yu , Chun Fang , Jian Peng , Shixue Dou
The bottleneck in the commercial application of layered oxide battery cathodes is the harmful effects due to air sensitivity. However, it is not clear which components of the air are determinants of capacity decay and structural degradation of layered oxide cathodes. Recently in Science, Hu and colleagues addressed this long-standing challenge that has plagued the full utilization of sodium-ion batteries for over 40 years. They demonstrated the acid and oxidative degradations of sodium layered oxide cathodes upon exposure to air and revealed the stability is compromised by the combined effect of water with carbon dioxide or oxygen. This breakthrough significantly advances the practical development of next-generation sodium-ion batteries.
层状氧化物电池阴极商业应用的瓶颈在于空气敏感性造成的有害影响。然而,目前还不清楚空气中的哪些成分会决定层状氧化物阴极的容量衰减和结构退化。最近,Hu 及其同事在《科学》杂志上解决了这一困扰钠离子电池充分利用 40 多年的长期难题。他们证明了钠层状氧化物阴极在暴露于空气中时的酸性和氧化降解,并揭示了水与二氧化碳或氧气的共同作用会损害其稳定性。这一突破极大地推动了下一代钠离子电池的实际开发。
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引用次数: 0
Nimble native oxides: Printing circuits from the skin of liquid metal 灵活的原生氧化物:从液态金属表皮打印电路
IF 17.3 2区 医学 Q2 CHEMISTRY, MEDICINAL Pub Date : 2024-11-06 DOI: 10.1016/j.matt.2024.09.020
William J. Scheideler
Stretchable materials, such as liquid metals, promise to transform microelectronics hardware into soft, wearable devices. However, a recent report by Kong et al. shows that liquid metals are much more than stretchable wires; their metal-air interfaces offer surprising possibilities for synthesis and deposition of multifunctional two-dimensional (2D) transparent oxide nanomaterials.
液态金属等可拉伸材料有望将微电子硬件转变为柔软的可穿戴设备。然而,Kong 等人的最新报告显示,液态金属不仅仅是可拉伸的金属丝,其金属-空气界面为合成和沉积多功能二维(2D)透明氧化物纳米材料提供了令人惊喜的可能性。
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引用次数: 0
Do materials have a genome, and if they do, what can be done with it? 材料是否有基因组,如果有,又该如何处理?
IF 17.3 2区 医学 Q2 CHEMISTRY, MEDICINAL Pub Date : 2024-11-06 DOI: 10.1016/j.matt.2024.06.026
Simon J.L. Billinge
Materials do not have a genome, yet for the past decade, and into the next decade, in the USA, there has been a presidential and inter-agency funding initiative called the “Materials Genome Initiative (MGI).” This initiative has nothing to do with real genomes, materials, or otherwise. However, in this paper, we, somewhat whimsically, explore some ideas about what a material’s gene could be and how it could be used to further our understanding of materials structure and properties. The result is a slightly non-conventional, less crystal-centric, view of materials structure that we believe can, will, and is resulting in novel materials insights.
材料并没有基因组,但在过去十年以及未来十年,美国总统和机构间一直在资助一项名为 "材料基因组计划(MGI)"的计划。这项计划与真正的基因组、材料或其他方面毫无关系。不过,在本文中,我们有点异想天开地探讨了一些关于材料基因的想法,以及如何利用它来加深我们对材料结构和特性的理解。我们相信,这种非传统的、不那么以晶体为中心的材料结构观点能够、将会并正在带来新颖的材料见解。
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引用次数: 0
Direct observation of autonomous self-healing in silver 直接观察银的自主自愈
IF 17.3 2区 医学 Q2 CHEMISTRY, MEDICINAL Pub Date : 2024-11-06 DOI: 10.1016/j.matt.2024.07.009
Jianlin Wang , Qiuhao Xu , Muhua Sun , Jiyu Xu , Pan Chen , Bohan Yu , Zhongqi Wu , Zitao Chen , Xudan Huang , Huacong Sun , Lei Liao , Chen Cai , Xiaomin Li , Lifen Wang , Xuezeng Tian , Zhi Xu , Sheng Meng , Wenlong Wang , Xuedong Bai
Although the concept of self-healing has undergone a recent resurgence of interest in polymers and other soft materials, it is extremely rare for metal solids to autonomously self-repair structural damage without any external trigger. Here, we report on the direct in situ observation of such an autonomous solid-state self-healing behavior in nanoscale silver (Ag) by utilizing atomic-resolution transmission electron microscopy (TEM). Two representative kinds of structural damage—both nanopores and nanocracks—are observed to undergo automatic self-repair at room temperature and well below (down to 173 K) without any external intervention. Importantly, such an autonomous self-healing phenomenon does not occur in gold (Au) at room temperature, as it is hindered by the stronger Au-Au bonding resulting from the known relativistic effect. A combination of atomistic imaging and molecular dynamics simulation unravels that the self-healing process is accomplished through surface-mediated diffusion of Ag atoms as driven by chemical potential imbalance due to the Gibbs-Thomson effect.
虽然自愈合的概念最近在聚合物和其他软材料中再次引起人们的关注,但金属固体在没有任何外部触发的情况下自主自我修复结构损伤的情况却极为罕见。在此,我们报告了利用原子分辨率透射电子显微镜(TEM)在纳米级银(Ag)中直接原位观察到的这种自主固态自愈合行为。观察到两种具有代表性的结构损伤--纳米孔和纳米裂缝--在室温和远低于室温(低至 173 K)的条件下进行自动自我修复,无需任何外部干预。重要的是,金(Au)在室温下不会出现这种自主自修复现象,因为它受到已知相对论效应产生的更强金-金键的阻碍。原子成像和分子动力学模拟的结合揭示了自愈合过程是通过表面介导的银原子扩散完成的,而扩散是由吉布斯-汤姆森效应导致的化学势不平衡驱动的。
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引用次数: 0
Dietary auxin may help patients to fight cancer. 饮食中的辅酶可帮助患者抗癌。
IF 17.3 2区 医学 Q2 CHEMISTRY, MEDICINAL Pub Date : 2024-11-06 DOI: 10.1016/j.tplants.2024.10.016
José López-Bucio

The phytohormone auxin (indole-3-acetic acid; IAA) increases the efficacy of cancer treatment. IAA is a universal molecule, being produced by bacteria, fungi, and plants. Therefore, incorporating IAA-rich products derived from microbes or plants, such as yoghurt, probiotics, microgreens, and fresh carrots into the diet may be promising for disease management.

植物激素辅酶(吲哚-3-乙酸;IAA)能提高癌症治疗的效果。IAA是一种通用分子,由细菌、真菌和植物产生。因此,在饮食中加入从微生物或植物中提取的富含 IAA 的产品,如酸奶、益生菌、微绿菜和新鲜胡萝卜,可能会对疾病的治疗大有裨益。
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引用次数: 0
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ACS Infectious Diseases
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