Nano Letters最新文献_第4页

Continuous, Size-Based Purification of Virus-like Particles Using Electro-Viscoelastic Microfluidics 利用电粘弹性微流体连续、基于尺寸的病毒样颗粒纯化

IF 10.8 1区材料科学

Nano Letters Pub Date : 2026-11-06 DOI: 10.1021/acs.nanolett.6c03702

Zikrullah Bölükkaya,Éva Bozó,Seyedamirhosein Abdorahimzadeh,Elitsa Y. Dimova,Rolle Rahikainen,Caglar Elbuken

{"title":"Continuous, Size-Based Purification of Virus-like Particles Using Electro-Viscoelastic Microfluidics","authors":"Zikrullah Bölükkaya,Éva Bozó,Seyedamirhosein Abdorahimzadeh,Elitsa Y. Dimova,Rolle Rahikainen,Caglar Elbuken","doi":"10.1021/acs.nanolett.6c03702","DOIUrl":"https://doi.org/10.1021/acs.nanolett.6c03702","url":null,"abstract":"The modular assembly of protein nanoparticles has enabled the design of highly immunogenic and cross-protective viral vaccines. However, downstream translation is hampered by labor-intensive purification methods that lack the resolution needed to efficiently sort molecular assemblies. Here, we report an affinity tag-free nanoparticle sorting platform that exploits electro-viscoelastic microfluidic (EVM) migration for the high-fidelity, continuous-flow isolation of virus-like particle (VLP) assemblies. This migration mechanism can overcome Brownian fluctuations, which are typically dominant on the nanoscale, confining the target assemblies to central streamlines for selective collection. In a single pass, the system segregates 40 nm VLPs from 6 nm excess antigen monomers, increasing the VLP purity by 20.2%. A sacrificial electrode outlet directs undesired electrohydrodynamic effects to the waste, preserving the VLP-rich product stream. Our results offer an alternative downstream framework for the rapid purification and quality control of complex bionanomaterials, establishing a scalable pathway for precision nanomedicine processing.","PeriodicalId":53,"journal":{"name":"Nano Letters","volume":"9 1","pages":""},"PeriodicalIF":10.8,"publicationDate":"2026-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149360408","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Designing Strong and Broadband Nonreciprocal Thermal Radiation in Magnetic Topological Materials 磁性拓扑材料强宽带非互反热辐射设计

IF 10.8 1区材料科学

Nano Letters Pub Date : 2026-11-06 DOI: 10.1021/acs.nanolett.6c02897

Yiyang Jiang,Yufei Zhao,Linxiao Zhu,Binghai Yan

引用次数: 0

Direct Selenization Growth and Electronic Properties of Ultrathin Fe(Te,Se) on a van der Waals Ferromagnet 范德华铁磁上超薄Fe（Te,Se）的直接硒化生长和电子性质

IF 10.8 1区材料科学

Nano Letters Pub Date : 2026-11-06 DOI: 10.1021/acs.nanolett.6c04467

Kefan Wu,Linfei Li,Jinan Shi,Zhixuan Li,Guojing Hu,Jiayi Wang,Siyu Xu,Jindong Ren,Wu Zhou,Haitao Yang,Shiyu Zhu,Xiao Lin,Hong-Jun Gao

{"title":"Direct Selenization Growth and Electronic Properties of Ultrathin Fe(Te,Se) on a van der Waals Ferromagnet","authors":"Kefan Wu,Linfei Li,Jinan Shi,Zhixuan Li,Guojing Hu,Jiayi Wang,Siyu Xu,Jindong Ren,Wu Zhou,Haitao Yang,Shiyu Zhu,Xiao Lin,Hong-Jun Gao","doi":"10.1021/acs.nanolett.6c04467","DOIUrl":"https://doi.org/10.1021/acs.nanolett.6c04467","url":null,"abstract":"Fe(Te,Se) is a prototypical iron-based superconductor and a promising platform for exploring topological superconductivity. However, growing high-quality ultrathin Fe(Te,Se) films on magnetic substrates remains challenging. Here, we demonstrate epitaxial growth of monolayer-to-trilayer Fe(Te,Se) on the van der Waals itinerant ferromagnet Fe3GeTe2 (FGT) via direct selenization of the substrate, without external Fe or Te deposition. Combined scanning tunneling microscopy/spectroscopy (STM/STS), low-energy electron diffraction (LEED), scanning transmission electron microscopy (STEM), and energy-dispersive spectroscopy (EDS) characterizations reveal large-area, atomically flat tetragonal films with well-defined rotational alignment to the hexagonal FGT lattice. Cross-sectional STEM-EDS confirms Se incorporation and interfacial elemental redistribution. Thickness-dependent spectroscopy reveals evolving electronic structures and progressive decoupling from the ferromagnetic substrate. Measurements across lateral monolayer–bilayer interfaces further uncover asymmetric band bending and charge redistribution driven by Fermi-level equilibration. These findings establish substrate-mediated selenization as a versatile route to ultrathin superconducting heterostructures and magnetic quantum platforms.","PeriodicalId":53,"journal":{"name":"Nano Letters","volume":"287 1","pages":""},"PeriodicalIF":10.8,"publicationDate":"2026-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149360461","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Extreme Light Confinement Mediated by the Transverse Kerker Effect 横向Kerker效应介导的极端光约束

IF 10.8 1区材料科学

Nano Letters Pub Date : 2026-11-06 DOI: 10.1021/acs.nanolett.6c02622

Sergei Gladyshev,Connor Heimig,Dmytro Gryb,Tao Jiang,Angana Bhattacharya,Sebastian A. Schulz,Peter Banzer,Andreas Tittl,Adrià Canós Valero,Thomas Weiss

{"title":"Extreme Light Confinement Mediated by the Transverse Kerker Effect","authors":"Sergei Gladyshev,Connor Heimig,Dmytro Gryb,Tao Jiang,Angana Bhattacharya,Sebastian A. Schulz,Peter Banzer,Andreas Tittl,Adrià Canós Valero,Thomas Weiss","doi":"10.1021/acs.nanolett.6c02622","DOIUrl":"https://doi.org/10.1021/acs.nanolett.6c02622","url":null,"abstract":"Dielectric nanoparticles can be engineered to scatter light predominantly in the transverse direction, perpendicular to the incident plane wave’s propagation direction, a phenomenon known as the transverse Kerker effect. Although complete cancellation of forward scattering from a single object is forbidden by the optical theorem, we show that a single photonic mode can provide an ideal transverse Kerker effect. When combining several nanoparticles to form a metasurface, the mode evolves into an accidental bound state in the continuum. This enables polarization-independent quasi bound states in the continuum whose quality factors are tunable without symmetry breaking. We experimentally demonstrate our concept in the visible, achieving the first polarization-independent bound state in the continuum without Brillouin-zone folding. These modes maintain large quality factors over a broader region of momentum space than conventional bound states in the continuum. Our results establish a platform for realizing ultranarrow resonances free of conventional design constraints.","PeriodicalId":53,"journal":{"name":"Nano Letters","volume":"14 1","pages":""},"PeriodicalIF":10.8,"publicationDate":"2026-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149360453","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Atomic-Scale Signatures of Structural Irreversibility during Oxygen Redox in Li-Rich Layered Oxide Cathodes 富锂层状氧化物阴极氧氧化还原过程中结构不可逆性的原子尺度特征

IF 10.8 1区材料科学

Nano Letters Pub Date : 2026-11-06 DOI: 10.1021/acs.nanolett.6c04127

Duojie Wu,Cheng Li,Shaobo Han,Tingting Zhang,Zhen Zhang,Yixuan Yang,Ken Li,Youzhu Wang,Yi Zheng,Li Deng,Meng Danny Gu

{"title":"Atomic-Scale Signatures of Structural Irreversibility during Oxygen Redox in Li-Rich Layered Oxide Cathodes","authors":"Duojie Wu,Cheng Li,Shaobo Han,Tingting Zhang,Zhen Zhang,Yixuan Yang,Ken Li,Youzhu Wang,Yi Zheng,Li Deng,Meng Danny Gu","doi":"10.1021/acs.nanolett.6c04127","DOIUrl":"https://doi.org/10.1021/acs.nanolett.6c04127","url":null,"abstract":"Li-rich layered oxides access high capacity through transition-metal and oxygen redox, but oxygen loss and structural reconstruction cause large first-cycle irreversibility. Here, we examine Li1.2Ni0.13Co0.13Mn0.54O2 at four states of the first charge–discharge cycle using atomic-resolution STEM, nanobeam electron diffraction with electron pair distribution function (NBED-ePDF) analysis, electron energy-loss spectroscopy (EELS), image simulations, and DFT. Up to 4.3 V, Li extraction is dominated by interlayer sites and the slab framework remains largely preserved. At 4.8 V, changes in Li/O contrast and O K-edge features coincide with a short ePDF correlation near 1.57 Å. Seeded DFT relaxations stabilize short O–O pairs near vacancies in the transition-metal slab. After discharge, incomplete spectroscopic recovery accompanies near-surface reconstruction and oxygen-related contrast changes consistent with oxygen depletion. Together, the results implicate Li depletion from the transition-metal slab in high-voltage oxygen rearrangement and suggest that controlling this site occupancy may improve oxygen-redox reversibility.","PeriodicalId":53,"journal":{"name":"Nano Letters","volume":"30 1","pages":""},"PeriodicalIF":10.8,"publicationDate":"2026-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149360452","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Chirality–Polarity-Regulated Magnetic Vortex Chains for Ternary Logic 三元逻辑的手性-极性调节磁涡链

IF 10.8 1区材料科学

Nano Letters Pub Date : 2026-11-06 DOI: 10.1021/acs.nanolett.6c00826

Anzhuang Wei,Guangheng Bai,Zhenghua Li,Yan Qi,Xiang Li,Yunshu Lu

引用次数: 0

Sequence-Switchable MOF-on-MOF Photonic Crystals for Broadband Visible Structural Color Modulation 用于宽带可见结构颜色调制的顺序可切换MOF-on-MOF光子晶体

IF 10.8 1区材料科学

Nano Letters Pub Date : 2026-11-05 DOI: 10.1021/acs.nanolett.6c04600

Haoze Wu,Hang Li,Zhihuan Li,Wuying Li,Junqin Shi,Yadong Xu,Jianxi Liu

{"title":"Sequence-Switchable MOF-on-MOF Photonic Crystals for Broadband Visible Structural Color Modulation","authors":"Haoze Wu,Hang Li,Zhihuan Li,Wuying Li,Junqin Shi,Yadong Xu,Jianxi Liu","doi":"10.1021/acs.nanolett.6c04600","DOIUrl":"https://doi.org/10.1021/acs.nanolett.6c04600","url":null,"abstract":"Structural colors generated by photonic crystals (PCs) have attracted interest in optical sensing. However, the sensing behavior of porous PCs is commonly tailored through material composition, pore structure, or surface chemistry. Here, we show that the spatial configuration of sequence-switchable MOF-on-MOF Bragg stacks regulates molecular access and adsorption while preserving the constituent metal–organic frameworks (MOFs). The reflection wavelength is continuously tuned across the visible spectrum by controlling layer thickness and refractive-index contrast, producing blue-to-red structural colors with a peak reflectance of approximately 90%. Reversing the layer sequence generates distinct optical response amplitudes and kinetics toward volatile organic compounds (VOCs). Combined optical analysis and molecular dynamics simulations further show that the sensing responses depend not only on molecular uptake but also on spatial adsorption distribution and framework–guest interactions. These findings establish molecular transport pathway control through spatial configuration as an additional strategy for regulating the sensing behavior of porous photonic materials.","PeriodicalId":53,"journal":{"name":"Nano Letters","volume":"11 1","pages":""},"PeriodicalIF":10.8,"publicationDate":"2026-11-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149359323","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Molecular and Nanoscale Control of Exciton Transfer in TADF-Sensitized Fluorescence tadf致敏荧光中激子转移的分子和纳米级控制

IF 10.8 1区材料科学

Nano Letters Pub Date : 2026-11-05 DOI: 10.1021/acs.nanolett.6c04407

Tunan Kuang,Chunhui Zhang,Ran Fang,Mengna Yu,Quanyou Feng,Linghai Xie

{"title":"Molecular and Nanoscale Control of Exciton Transfer in TADF-Sensitized Fluorescence","authors":"Tunan Kuang,Chunhui Zhang,Ran Fang,Mengna Yu,Quanyou Feng,Linghai Xie","doi":"10.1021/acs.nanolett.6c04407","DOIUrl":"https://doi.org/10.1021/acs.nanolett.6c04407","url":null,"abstract":"TADF-sensitized fluorescence (TSF), also known as hyperfluorescence, combines efficient triplet exciton harvesting with the narrowband emission of fluorescent emitters. Yet, its performance depends on the interplay between exciton conversion, energy transfer, and molecular organization across different length scales. Herein, we review recent progress in nanoscale exciton-transfer engineering for TSF, with emphasis on molecular excited-state dynamics, sensitizer-dopant spatial control, diversified energy-transfer pathways, and interlayer sensitization. These approaches regulate exciton conversion and lifetime, balance Förster and Dexter energy transfer, and control exciton distribution within emissive layers and across interfaces. We also discuss emerging directions including kinetic matching, spatial organization, and multiscale modeling for understanding the links between molecular structure, energy-transfer dynamics, and device performance. This Mini-Review provides profound insights into transforming random blend systems into controllable nanoscale exciton-transfer networks, paving the way for efficient narrowband TSF OLEDs.","PeriodicalId":53,"journal":{"name":"Nano Letters","volume":"34 1","pages":""},"PeriodicalIF":10.8,"publicationDate":"2026-11-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149359321","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Light-Induced Néel Vector Reversal in 2D van der Waals Antiferromagnets 二维范德华反铁磁体的光诱导nsamel矢量反转

IF 10.8 1区材料科学

Nano Letters Pub Date : 2026-11-05 DOI: 10.1021/acs.nanolett.6c04110

Yangyang Feng,Ying Dai,Baibiao Huang,Yandong Ma

引用次数: 0

(PEA)2(FA)Pb2I7/PVDF Composite Flexible Films Enable Self-Powered X-ray Detection with High Sensitivity and a Low Detection Limit （PEA）2(FA)Pb2I7/PVDF复合柔性薄膜使自供电x射线检测具有高灵敏度和低检测极限

IF 10.8 1区材料科学

Nano Letters Pub Date : 2026-11-04 DOI: 10.1021/acs.nanolett.6c04704

Yuanxiang You,Yaping Gong,Qilin Wei,Huanxin Su,Haojie Xu,Zengshan Yue,Dan Huang,William W. Yu,Shiguo Han

{"title":"(PEA)2(FA)Pb2I7/PVDF Composite Flexible Films Enable Self-Powered X-ray Detection with High Sensitivity and a Low Detection Limit","authors":"Yuanxiang You,Yaping Gong,Qilin Wei,Huanxin Su,Haojie Xu,Zengshan Yue,Dan Huang,William W. Yu,Shiguo Han","doi":"10.1021/acs.nanolett.6c04704","DOIUrl":"https://doi.org/10.1021/acs.nanolett.6c04704","url":null,"abstract":"Metal halide perovskites (MHPs) have attracted significant interest in the field of X-ray detection due to their unique semiconducting properties. However, the self-powered detection capabilities of almost all of these materials rely on their inherent ferroelectricity or heterojunction structures, yet the structure design and fabrication still pose significant challenges. By incorporating a polymer into a centrosymmetric MHP, we successfully prepared (PEA)2(FA)Pb2I7/PVDF composite flexible films (PEA = β-phenylethylamine, FA = formamidine, PVDF = poly(vinylidene fluoride)) and obtained self-powered X-ray responses in a nonpolar perovskite. Notably, the photodetector based on thin films exhibits excellent self-powered X-ray detection performance with a high sensitivity (559.11 μC Gyair–1 cm–2), a low detection limit (29.09 nGyair s–1), and excellent radiation stability. Our work offers a new strategy for self-driven devices without relying on ferroelectricity or heterojunctions, expanding halide perovskites in flexible film applications.","PeriodicalId":53,"journal":{"name":"Nano Letters","volume":"15 1","pages":""},"PeriodicalIF":10.8,"publicationDate":"2026-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149359314","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0