Communications Materials最新文献

Resolving the fundamentals of the J-integral concept by multi-method in situ nanoscale stress-strain mapping. 用多方法原位纳米应力-应变映射解决j积分概念的基本原理。

IF 7.5

Communications Materials Pub Date : 2025-01-01 Epub Date: 2025-02-22 DOI: 10.1038/s43246-025-00752-z

Michael Meindlhumer, Markus Alfreider, Noel Sheshi, Anton Hohenwarter, Juraj Todt, Martin Rosenthal, Manfred Burghammer, Enrico Salvati, Jozef Keckes, Daniel Kiener

{"title":"Resolving the fundamentals of the J-integral concept by multi-method in situ nanoscale stress-strain mapping.","authors":"Michael Meindlhumer, Markus Alfreider, Noel Sheshi, Anton Hohenwarter, Juraj Todt, Martin Rosenthal, Manfred Burghammer, Enrico Salvati, Jozef Keckes, Daniel Kiener","doi":"10.1038/s43246-025-00752-z","DOIUrl":"10.1038/s43246-025-00752-z","url":null,"abstract":"The integrity of structural materials is oftentimes defined by their resistance against catastrophic failure through dissipative plastic processes at the crack tip, commonly quantified by the J-integral concept. However, to date the experimental stress and strain fields necessary to quantify the J-integral associated with local crack propagation in its original integral form were inaccessible. Here, we present a multi-method nanoscale strain- and stress-mapping surrounding a growing crack tip in two identical miniaturized fracture specimens made from a nanocrystalline FeCrMnNiCo high-entropy alloy. The respective samples were tested in situ in a scanning electron microscope and a synchrotron X-ray nanodiffraction setup, with detailed analyzes of loading states during elastic loading, crack tip blunting and general yielding, corroborated by a detailed elastic-plastic finite element model. This complementary in situ methodology uniquely enabled a detailed quantification of the J-integral along different integration paths from experimental nanoscale stress and strain fields. We find that conventional linear-elastic and elastic-plastic models, typically used to interpret fracture phenomena, have limited applicability at micron to nanoscale distances from propagating cracks. This for the first time unravels a limit to the path-independence of the J-integral, which has significant implications in the development and assessment of modern damage-tolerant materials and microstructures.","PeriodicalId":10589,"journal":{"name":"Communications Materials","volume":"6 1","pages":"35"},"PeriodicalIF":7.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11846709/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143491098","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effect of Peierls-like distortions on transport in amorphous phase change devices. 类佩尔畸变对非晶相变器件输运的影响。

IF 7.5

Communications Materials Pub Date : 2025-01-01 Epub Date: 2025-03-29 DOI: 10.1038/s43246-025-00776-5

Nils Holle, Sebastian Walfort, Riccardo Mazzarello, Martin Salinga

{"title":"Effect of Peierls-like distortions on transport in amorphous phase change devices.","authors":"Nils Holle, Sebastian Walfort, Riccardo Mazzarello, Martin Salinga","doi":"10.1038/s43246-025-00776-5","DOIUrl":"10.1038/s43246-025-00776-5","url":null,"abstract":"Today, devices based on phase change materials (PCMs) are expanding beyond their traditional application in non-volatile memory, emerging as promising components for future neuromorphic computing systems. Despite this maturity, the electronic transport in the amorphous phase is still not fully understood, which holds in particular for the resistance drift. This phenomenon has been linked to physical aging of the glassy state. PCM glasses seem to evolve towards structures with increasing Peierls-like distortions. Here, we provide direct evidence for a link between Peierls-like distortions and local current densities in nanoscale phase change devices. This supports the idea of the evolution of these distortions as a source of resistance drift. Using a combination of density functional theory and non-equilibrium Green's function calculations, we show that electronic transport proceeds by states close to the Fermi level that extend over less distorted atomic environments. We further show that nanoconfinement of a PCM leads to a wealth of phenomena in the atomic and electronic structure as well as electronic transport, which can only be understood when interfaces to confining materials are included in the simulation. Our results therefore highlight the importance and prospects of atomistic-level interface design for the advancement of nanoscaled phase change devices.","PeriodicalId":10589,"journal":{"name":"Communications Materials","volume":"6 1","pages":"56"},"PeriodicalIF":7.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11953050/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143751424","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Device-assisted strategies for drug delivery across the blood-brain barrier to treat glioblastoma. 治疗胶质母细胞瘤的跨血脑屏障药物输送装置辅助策略。

IF 7.5

Communications Materials Pub Date : 2025-01-01 Epub Date: 2025-01-07 DOI: 10.1038/s43246-024-00721-y

Nassir Mokarram, Ayden Case, Nadia N Hossainy, Johnathan G Lyon, Tobey J MacDonald, Ravi Bellamkonda

{"title":"Device-assisted strategies for drug delivery across the blood-brain barrier to treat glioblastoma.","authors":"Nassir Mokarram, Ayden Case, Nadia N Hossainy, Johnathan G Lyon, Tobey J MacDonald, Ravi Bellamkonda","doi":"10.1038/s43246-024-00721-y","DOIUrl":"10.1038/s43246-024-00721-y","url":null,"abstract":"The blood-brain barrier, essential for protecting the central nervous system, also restricts drug delivery to this region. Thus, delivering drugs across the blood-brain barrier is an active research area in immunology, oncology, and neurology; moreover, novel methods are urgently needed to expand therapeutic options for central nervous system pathologies. While previous strategies have focused on small molecules that modulate blood-brain barrier permeability or penetrate the barrier, there is an increased focus on biomedical devices-external or implanted-for improving drug delivery. Here, we review device-assisted drug delivery across the blood-brain barrier, emphasizing its application in glioblastoma, an aggressively malignant primary brain cancer in which the blood-brain barrier plays a central role. We examine the blood-brain barrier and its features in glioblastoma, emerging models for studying the blood-brain barrier, and device-assisted methods for crossing the blood-brain barrier. We conclude by presenting methods to monitor the blood-brain barrier and paradigms for combined cross-BBB drug delivery.","PeriodicalId":10589,"journal":{"name":"Communications Materials","volume":"6 1","pages":"5"},"PeriodicalIF":7.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11706785/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142945882","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Photoswitchable phospholipids for the optical control of membrane processes, protein function, and drug delivery. 光开关磷脂用于膜过程、蛋白质功能和药物传递的光学控制。

IF 7.5

Communications Materials Pub Date : 2025-01-01 Epub Date: 2025-04-01 DOI: 10.1038/s43246-025-00773-8

Stefanie D Pritzl, Johannes Morstein, Nikolaj A Pritzl, Jan Lipfert, Theobald Lohmüller, Dirk H Trauner

{"title":"Photoswitchable phospholipids for the optical control of membrane processes, protein function, and drug delivery.","authors":"Stefanie D Pritzl, Johannes Morstein, Nikolaj A Pritzl, Jan Lipfert, Theobald Lohmüller, Dirk H Trauner","doi":"10.1038/s43246-025-00773-8","DOIUrl":"10.1038/s43246-025-00773-8","url":null,"abstract":"Recent insights into the function and composition of cell membranes have transformed our understanding from primarily viewing these structures as passive barriers to recognizing them as dynamic entities actively involved in many cellular functions. This review highlights advances in the photopharmacology of phospholipids, emphasizing in particular the role of diacylglycerophospholipids and the impact of their polymorphic nature on synthetic and cellular membrane properties and metabolic processes. We explore photoswitchable diacylglycerophospholipids, termed 'photolipids', which permit precise, reversible modifications of membrane properties via light-induced isomerization. The ability to optically switch phospholipid properties has potential applications in controlling membrane dynamics, protein function, and cellular signaling pathways, and offers promising strategies for drug delivery and treatment of diseases. Developments in azobenzene and hemithioindigo based photolipids are discussed, underscoring their utility in biomedical and biomaterial science applications due to their unique photophysical properties.","PeriodicalId":10589,"journal":{"name":"Communications Materials","volume":"6 1","pages":"59"},"PeriodicalIF":7.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11961368/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143779358","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Discovery of giant unit-cell super-structure in the infinite-layer nickelate PrNiO_2+x. 无限层镍酸盐PrNiO2+x中巨大单体超结构的发现。

IF 7.5

Communications Materials Pub Date : 2025-01-01 Epub Date: 2025-01-07 DOI: 10.1038/s43246-024-00729-4

Jens Oppliger, Julia Küspert, Ann-Christin Dippel, Martin V Zimmermann, Olof Gutowski, Xiaolin Ren, Xingjiang Zhou, Zhihai Zhu, Ruggero Frison, Qisi Wang, Leonardo Martinelli, Izabela Biało, Johan Chang

{"title":"Discovery of giant unit-cell super-structure in the infinite-layer nickelate PrNiO2+x.","authors":"Jens Oppliger, Julia Küspert, Ann-Christin Dippel, Martin V Zimmermann, Olof Gutowski, Xiaolin Ren, Xingjiang Zhou, Zhihai Zhu, Ruggero Frison, Qisi Wang, Leonardo Martinelli, Izabela Biało, Johan Chang","doi":"10.1038/s43246-024-00729-4","DOIUrl":"https://doi.org/10.1038/s43246-024-00729-4","url":null,"abstract":"The discovery of unconventional superconductivity often triggers significant interest in associated electronic and structural symmetry breaking phenomena. For the infinite-layer nickelates, structural allotropes are investigated intensively. Here, using high-energy grazing-incidence x-ray diffraction, we demonstrate how in-situ temperature annealing of the infinite-layer nickelate PrNiO2+x (x ≈ 0) induces a giant superlattice structure. The annealing effect has a maximum well above room temperature. By covering a large scattering volume, we show a rare period-six in-plane (bi-axial) symmetry and a period-four symmetry in the out-of-plane direction. This giant unit-cell superstructure-likely stemming from ordering of diffusive oxygen-persists over a large temperature range and can be quenched. As such, the stability and controlled annealing process leading to the formation of this superlattice structure provides a pathway for novel nickelate chemistry.","PeriodicalId":10589,"journal":{"name":"Communications Materials","volume":"6 1","pages":"3"},"PeriodicalIF":7.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11703755/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142945884","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Crosslinking substrate regulates frictional properties of tissue-engineered cartilage and chondrocyte response to loading. 交联底物调节组织工程软骨的摩擦特性和软骨细胞对负载的反应。

IF 7.5

Communications Materials Pub Date : 2025-01-01 Epub Date: 2025-03-27 DOI: 10.1038/s43246-025-00781-8

Christoph Meinert, Angus Weekes, Chun-Wei Chang, Karsten Schrobback, Amy Gelmi, Molly M Stevens, Dietmar W Hutmacher, Travis J Klein

{"title":"Crosslinking substrate regulates frictional properties of tissue-engineered cartilage and chondrocyte response to loading.","authors":"Christoph Meinert, Angus Weekes, Chun-Wei Chang, Karsten Schrobback, Amy Gelmi, Molly M Stevens, Dietmar W Hutmacher, Travis J Klein","doi":"10.1038/s43246-025-00781-8","DOIUrl":"10.1038/s43246-025-00781-8","url":null,"abstract":"Hydrogels are frequently used in regenerative medicine due to their hydrated, tissue-compatible nature, and tuneable mechanics. While many strategies enable bulk mechanical modulation, little attention is given to tuning surface tribology, and its impact on cellular behavior under mechanical stimuli. Here, we demonstrate that photocrosslinking hydrogels on hydrophobic substrates leads to significant, long-lasting reductions in surface friction, ideal for cartilage tissue regeneration. Gelatin methacryloyl and hyaluronic acid methacrylate hydrogels photocrosslinked on polytetrafluoroethylene possess more hydrated, lubricious surfaces, with lower friction coefficients and crosslinking densities than those crosslinked on glass. This facilitated self-lubrication via water exudation, limiting shear during biaxial stimulation. When subject to intermittent biaxial loading mimicking joint movement, low-friction chondrocyte-laden neo-tissues formed superior hyaline cartilage, confirming the benefits of reduced friction on tissue development. Finally, in situ photocrosslinking enabled precise hydrogel formation in a full-thickness cartilage defect, highlighting the clinical potential and emphasizing the importance of crosslinking substrate in regenerative medicine.","PeriodicalId":10589,"journal":{"name":"Communications Materials","volume":"6 1","pages":"55"},"PeriodicalIF":7.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11949837/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143751420","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Enhanced energy storage in relaxor (1-x)Bi_0.5Na_0.5TiO₃-xBaZr_yTi_1-yO₃ thin films by morphotropic phase boundary engineering. 相变相界工程增强弛豫（1-x）Bi0.5Na0.5TiO3-xBaZryTi1-yO3薄膜的能量存储。

IF 7.5

Communications Materials Pub Date : 2025-01-01 Epub Date: 2025-01-14 DOI: 10.1038/s43246-024-00730-x

Herbert Kobald, Alexander M Kobald, Ivana Panzic, Marco Deluca

{"title":"Enhanced energy storage in relaxor (1-x)Bi0.5Na0.5TiO3-xBaZryTi1-yO3 thin films by morphotropic phase boundary engineering.","authors":"Herbert Kobald, Alexander M Kobald, Ivana Panzic, Marco Deluca","doi":"10.1038/s43246-024-00730-x","DOIUrl":"10.1038/s43246-024-00730-x","url":null,"abstract":"Perovskites at the crossover between ferroelectric and relaxor are often used to realize dielectric capacitors with high energy and power density and simultaneously good efficiency. Lead-free Bi0.5Na0.5TiO3 is gaining importance in showing an alternative to lead-based devices. Here we show that (1-x)Bi0.5Na0.5TiO3 - xBaZr y Ti 1-y O3 (best: 0.94Bi0.5Na0.5TiO3 -0.06BaZr0.4Ti0.6O3) shows an increase of recoverable energy density and electric breakdown upon chemical substitution. In thin films derived from Chemical Solution Deposition, we observed that polarization peaks at the morphotropic phase boundary at x = 0.06. While Zr substitution results in reduced polarization, it enhances both efficiency and electric breakdown strength, ultimately doubling the recoverable energy density and the metallization interface by lowering surface roughness. Our dielectric capacitor shows <3% deviation of energy properties over 106 cycles. A virtual device model of a multilayer thin film capacitor (7.25 mJ recoverable energy) was used to compare its performance to already in use multilayer ceramic capacitors.","PeriodicalId":10589,"journal":{"name":"Communications Materials","volume":"6 1","pages":"12"},"PeriodicalIF":7.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11732744/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143001499","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Regular red-green-blue InGaN quantum wells with In content up to 40% grown on InGaN nanopyramids 在InGaN纳米金字塔上生长出铟含量高达40%的红绿蓝InGaN量子阱

IF 7.5

Communications Materials Pub Date : 2024-12-27 DOI: 10.1038/s43246-024-00725-8

Amélie Dussaigne, Colin Paillet, Névine Rochat, David Cooper, Adeline Grenier, Stéphane Vézian, Benjamin Damilano, Adrien Michon, Bérangère Hyot

{"title":"Regular red-green-blue InGaN quantum wells with In content up to 40% grown on InGaN nanopyramids","authors":"Amélie Dussaigne, Colin Paillet, Névine Rochat, David Cooper, Adeline Grenier, Stéphane Vézian, Benjamin Damilano, Adrien Michon, Bérangère Hyot","doi":"10.1038/s43246-024-00725-8","DOIUrl":"10.1038/s43246-024-00725-8","url":null,"abstract":"Full color micro-displays with a pixel pitch of below 10 µm are needed for augmented and virtual reality applications. In the native emission approach, high efficiency Red-Green-Blue (RGB) pixels could be achieved using monolithically integrated InGaN based micro-LEDs. Here, we report the growth of high optical quality RGB InGaN/InGaN quantum wells grown on InGaN nanopyramids of diameter less than 1 µm by metal organic vapor phase epitaxy. We synthesized the nanopyramids by nanoselective area growth using an in situ patterned epitaxial graphene on SiC as an embedded mask. The RGB emission properties at different locations on the sample are dependent on the size of the InGaN nanopyramids. Advanced correlative analysis conducted on the same transmission electron microscopy lamella reveal a fully or at least nearly relaxed In0.13Ga0.87N core and very regular quantum wells emitting in the red range (620 nm) along the pyramid sidewalls with an In content up to 40%. Full color micro-displays for augmented and virtual reality applications require a pixel pitch below 10 µm. Here, a metal organic vapor phase epitaxy method was demonstrated to grow high quality red-green-blue InGaN quantum wells on InGaN nanopyramids of less than 1 µm diameter with an In content up to 40%","PeriodicalId":10589,"journal":{"name":"Communications Materials","volume":" ","pages":"1-11"},"PeriodicalIF":7.5,"publicationDate":"2024-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.nature.com/articles/s43246-024-00725-8.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142890027","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Grain boundary cracks patching and defect dual passivation with ammonium formate for high-efficiency triple-cation perovskite solar cells 高效三阳离子钙钛矿太阳能电池的晶界裂纹修补和甲酸铵缺陷双钝化

IF 7.5

Communications Materials Pub Date : 2024-12-26 DOI: 10.1038/s43246-024-00673-3

Yang Ding, Yefan Wu, Xiangxiang Feng, Hengyue Li, Erming Feng, Jianhui Chang, Caoyu Long, Yuanji Gao, Junliang Yang

{"title":"Grain boundary cracks patching and defect dual passivation with ammonium formate for high-efficiency triple-cation perovskite solar cells","authors":"Yang Ding, Yefan Wu, Xiangxiang Feng, Hengyue Li, Erming Feng, Jianhui Chang, Caoyu Long, Yuanji Gao, Junliang Yang","doi":"10.1038/s43246-024-00673-3","DOIUrl":"10.1038/s43246-024-00673-3","url":null,"abstract":"Triple-cation perovskite solar cells exhibit better long-term stability as compared to FAPbI3 devices but also have more ions and vacancies defects in film. Herein, ammonium formate (NH4HCO2) is introduced and forms a stable NH4HCO2-PbI2 adduct onto the surface of perovskite to patch grain boundary cracks and passivate interfacial defects. The density functional theory calculation results indicate that there is a strong interface interaction between perovskite and NH4HCO2, and the defects are well anchored by forming Pb··COOH bond and I··NH4 bond. The density of states proves that surface trap states by the I vacancy is also effectively eliminated, which is consistent with the experimental results. As a result, the optimized devices achieve a power conversion efficiency of 24.62% and exhibit remarkable long-term stability in air. This work provides a simple defect multiple passivation strategy to prepare perovskite solar cells with high efficiency and stability. Triple-cation perovskite solar cells are more stable than formamidinium lead iodide but possess more defects. Here, grain boundary cracks and passivate interfacial defects are patched using ammonium formate which forms a stable adduct on the perovskite surface.","PeriodicalId":10589,"journal":{"name":"Communications Materials","volume":" ","pages":"1-7"},"PeriodicalIF":7.5,"publicationDate":"2024-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.nature.com/articles/s43246-024-00673-3.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142890097","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Nanosized caltrops enable selective capture and directional maneuvering of water droplets 纳米大小的菱角可以选择性地捕获和定向操纵水滴

IF 7.5

Communications Materials Pub Date : 2024-12-24 DOI: 10.1038/s43246-024-00726-7

Haoting Cai, Wei Tong, Lichuan Wei, Mengjie Song, Yugang Zhao, Kang Li, Hua Zhang, Chun Yang, Ping Cheng

{"title":"Nanosized caltrops enable selective capture and directional maneuvering of water droplets","authors":"Haoting Cai, Wei Tong, Lichuan Wei, Mengjie Song, Yugang Zhao, Kang Li, Hua Zhang, Chun Yang, Ping Cheng","doi":"10.1038/s43246-024-00726-7","DOIUrl":"10.1038/s43246-024-00726-7","url":null,"abstract":"Surface design by tailoring topographical features and interface function groups to modulate dynamic or kinetic behaviors of liquid droplets, has been an increasing hotspot due to its broad spectrum of applications in biochemical diagnosis, microfabrication, and energy conversion systems. Here we report an engineered surface decorated by packed nanosized caltrops resulting from two perfectly articulated oxidation processes, where self-assembled nanoislands generated in the 1st plasma oxidation serve as protective masks in the 2nd chemical oxidation. As caltrops per design can effectively block lateral motion, the present surface can anchor contact lines of advancing water films when being hydrophilic and selectively capture impinging droplets when being hydrophobic. Furthermore, biphilic patterns can be readily obtained by integrating nanocaltrops with other surface asperities, engendering directional droplet maneuvering and designated droplet arraying. This work provides guidelines in designing nanostructures that achieve on-demand manipulation of droplets and flow patterns for multifunctional applications. Surface features can be designed to modulate the dynamic and kinetic behaviours of liquid droplets but require robust wettability and low-cost fabrication. Here, a surface packed with nanosized caltrops can effectively block lateral motion and engineered to allow directional droplet maneuvering","PeriodicalId":10589,"journal":{"name":"Communications Materials","volume":" ","pages":"1-11"},"PeriodicalIF":7.5,"publicationDate":"2024-12-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.nature.com/articles/s43246-024-00726-7.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142880576","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0