Nano-Micro Letters最新文献

英文中文

Modularly-Assembled Smart Microneedle Platform for Machine Learning-Driven Personalized Health Monitoring 用于机器学习驱动的个性化健康监测的模块化组装智能微针平台。

IF 36.3 1区材料科学 Q1 Engineering

Nano-Micro Letters

Pub Date : 2026-02-09 DOI: 10.1007/s40820-026-02095-x

Hongyi Sun, Lechen Chen, Tao Wang, Zhuoheng Li, Yi Shi, Wen Lv, Zhi Yang, Fuzhen Xuan, Min Zhang, Guoyue Shi

Given the inherent complexity of metabolic pathways and disease-associated agents, next-generation healthcare necessitates wearable, non-invasive, and customized approaches to continuously monitor a broad spectrum of physiologically relevant biomarkers for personalized health management. Moreover, existing data-based analytical strategies remain inadequate for delivering quantitative and predictive evaluations of health status in real-life settings. Here, we report an electronic multiplexed microneedle-based biosensor patch (eMPatch) that enables real-time, minimally invasive monitoring of key metabolic biomarkers in interstitial fluid, including glucose, uric acid, cholesterol, sodium, potassium, and pH. By integrating modular microneedle (MN) sensors into a skin-interfaced flexible platform, the eMPatch achieves robust mechanical stability and seamless skin conformity, thereby ensuring reliable and continuous sensing within the dermal space. In vivo validation in animal models under metabolic intervention highlights the strong capability of the eMPatch for real-time physiological tracking across diverse daily activities. Implemented with a machine learning algorithm, the eMPatch enables automatic feature extraction and multi-task health assessment, achieving a classification accuracy of 0.996 in distinguishing normal and diet-induced metabolic disorder for health condition identification and an R² score of 0.977 for the corresponding degree evaluation. This study highlights the potential of the MN-integrated, machine learning-enhanced biosensing platform toward personalized health management.

鉴于代谢途径和疾病相关因子的固有复杂性，下一代医疗保健需要可穿戴、非侵入性和定制的方法来持续监测广泛的生理相关生物标志物，以实现个性化健康管理。此外，现有的基于数据的分析战略仍然不足以在现实环境中对健康状况进行定量和预测性评估。在这里，我们报告了一种基于电子多路微针的生物传感器贴片（eMPatch），它能够实时、微创地监测间质液中的关键代谢生物标志物，包括葡萄糖、尿酸、胆固醇、钠、钾和ph。通过将模块化微针（MN）传感器集成到皮肤接口的柔性平台中，eMPatch实现了强大的机械稳定性和无缝的皮肤一致性。从而确保在真皮空间内可靠和连续的传感。在代谢干预下的动物模型体内验证强调了eMPatch在各种日常活动中实时生理跟踪的强大能力。eMPatch采用机器学习算法实现自动特征提取和多任务健康评估，在健康状况识别中区分正常和饮食引起的代谢紊乱的分类准确率为0.996，相应程度评估的R2评分为0.977。这项研究强调了神经网络集成、机器学习增强的生物传感平台在个性化健康管理方面的潜力。

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引用次数: 0

Optical Switching of Robust Ferroelectric Polarization on Epitaxial Hf0.5Zr0.5O2 Integrated with BaTiO3 BaTiO3集成外延Hf0.5Zr0.5O2上稳健铁电极化的光开关。

IF 36.3 1区材料科学 Q1 Engineering

Nano-Micro Letters

Pub Date : 2026-02-06 DOI: 10.1007/s40820-026-02090-2

Wenjing Dong, Huan Tan, Jingye Zou, Alberto Quintana, Tingfeng Song, César Magén, Claudio Cazorla, Florencio Sánchez, Ignasi Fina

Highlights

Integration of perovskite BaTiO₃ with epitaxial fluorite Hf_0.5Zr_0.5O₂ is demonstrated.
Polarization up to 15 μC cm⁻², leakage current densities below 10^–6 A cm⁻², endurance up to 10⁸ cycles, and switching times shorter than 50 ns are achieved.
Remote optical switching of the polarization is demonstrated, and it is shown to be controlled by the thickness of the BaTiO₃ capping layer.

铁电极化的光开关对于逻辑状态的无线和节能控制具有重要意义。到目前为止，这种现象只在铁电性钙钛矿中得到了广泛的证明，而对其他新兴铁电性材料的研究仍然有限。在这方面，技术上相关的铁电材料的典型例子是HfO2。然而，HfO2具有非常宽的带隙，限制了光的吸收。到目前为止，提出的增强hfo2基体系光吸收的策略不利于铁电性能，即降低带隙或故意引入缺陷，这会降低可开关极化并增加漏电流的存在。在这里，我们展示了良好的铁电性能，即相当大的极化（高达15 μC cm-2），低泄漏电流（在10-6 A cm-2以下），高耐久性（高达108次循环）和快速开关（0.5Zr0.5O2薄膜）通过替代策略，BaTiO3封盖。虽然铁电性质显著，但我们证明了BaTiO3的存在允许光吸收和伴随的电场产生，正如密度泛函理论计算所支持的那样，这使得在405 nm照明下，Hf0.5Zr0.5O2中的偏振光开关成为可能。结果表明，在BaTiO3覆盖层较厚的薄膜中，光开关效率更高。BaTiO3的高极化率有助于最小化系统铁电响应的退化。本文的研究结果表明，可以采用适当的设计来实现铁电HfO2的偏振光开关，同时保持其主要功能特性。

引用次数: 0

Metal–Organic Frameworks: Multifunctional Materials for High-Performance Zn-Halogen Batteries 金属有机框架：高性能锌卤素电池的多功能材料。

IF 36.3 1区材料科学 Q1 Engineering

Nano-Micro Letters

Pub Date : 2026-02-06 DOI: 10.1007/s40820-026-02068-0

Ayesha Arif, Xinrui Yan, Adil Mansoor, Tazeen Fatima, Tayyaba Najam, Hassan Akhtar, Muhammad Sufyan Javed, Manzar Sohail, Muhammad Altaf Nazir, Jiantao Zai, Xiaowei Yang, Syed Shoaib Ahmad Shah

Highlights

This review comprehensively summarizes the application of metal-organic frameworks (MOFs) in aqueous Zn-halogen batteries, covering their roles as cathodes, anodes, and separators.
The mechanism of MOFs in suppressing the shuttle effect via nanoconfinement, inhibiting dendrite growth by regulating ion flux, and enhancing redox kinetics through catalytic sites are thoroughly discussed.
The structure-performance relationships of MOFs in Zn-halogen batteries are elucidated, linking their porosity, metal nodes, and linker functionalities to overall battery performance.

由于对安全和具有成本效益的能量存储的需求不断增加，水锌电池作为锂离子系统的有前途的替代品正受到关注。含水卤化锌电池因其低成本和丰富的前体而尤为重要。然而，诸如穿梭效应、缓慢的氧化还原动力学和枝晶生长等关键挑战阻碍了它们的实际发展。金属有机骨架（mof）具有高孔隙率、易于功能化和稳定性，为克服这些限制提供了一种多功能方法。本文系统地研究了基于mof的锌卤素电池的进展，重点介绍了它们在电池的不同组件中的作用，包括阴极、阳极和分离器。这篇综述还强调了mof基材料的关键设计策略，然后通过高级表征和计算见解检查了结构-性能关系。并概述了剩余的挑战和未来的方向。总的来说，这篇综述为开发先进的mof基锌卤素电池提供了一个路线图，该电池结合了高能量密度和长期耐用性，可用于下一代储能应用。

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引用次数: 0

Tailoring eg Orbital Occupancy of Fe in Ni-Doped Na4.3Fe3(PO4)2P2O7 Cathode for High-Performance Sodium-Ion Batteries 高性能钠离子电池用掺镍Na4.3Fe3(PO4)2P2O7正极中铁的轨道占位。

IF 36.3 1区材料科学 Q1 Engineering

Nano-Micro Letters

Pub Date : 2026-02-05 DOI: 10.1007/s40820-026-02073-3

Xiaoxue Wang, Yuhui Xu, Jianhua Zhang, Yukun Xi, Ningjing Hou, Yixuan Chen, Dongzhu Liu, Zihao Yang, Haocheng Wen, Jia Kang, Xiaoli Yang, Xuexia Song, Jingjing Wang, Wenbin Li, Jiujun Zhang, Kun Zhang, Xifei Li

Highlights

The Na_4.3Fe₃(PO₄)₂P₂O₇-M cathode constructed by various transition metal cations (M = Ni²⁺, Mn²⁺, Zn²⁺, Co²⁺ and Cu²⁺) with different electron configurations for sodium-ion batteries.
The Na_4.3Fe₃(PO₄)₂P₂O₇-Ni cathode exhibits superior electronic conductivity, high-rate performance and stable cyclability.
A quantitative relationship between the eg occupancy of Fe and the electrochemical activity of The Na_4.3Fe₃(PO₄)₂P₂O₇-M is proposed, serving as an activity descriptor.

Na4Fe3(PO4)2P2O7 （NFPP）具有较高的结构稳定性和成本效益，被认为是钠离子电池（sib）极具发展前景的阴极材料。然而，它的实际应用受到本质上低电子导电性的阻碍。本文揭示了ni掺杂Na4.3Fe3(PO4)2P2O7 （NFPP-Ni）阴极中Ni2+离子向Fe3+离子的非常规电子转移机制，促进了Fe-O-Ni配位单元内的电子耦合，从而有效地促进了电子传递。此外，NFPP材料的氧化还原动力学和可逆性主要受Fe-O共价程度的影响。Ni2+的存在调节了Fe2+的中间eg占位，优化了fed和op轨道之间的重叠。在循环过程中，Ni掺杂剂的调节在加速Na+扩散动力学和减轻晶格应变之间取得了平衡。结果，NFPP-Ni电极显示出令人印象深刻的倍率容量（0.1C时121.0 mAh g-1 / 10C时80.9 mAh g-1）和稳定的可循环性（1000次循环后容量保持89.1%）。更重要的是，系统地阐明了不同电子构型的过渡金属阳离子（Ni2+, Mn2+, Zn2+， Co2+和Cu2+）对NFPP中Fe eg轨道占比和Fe- o共价之间的关系，从而为钠离子电池（sib）的商业开发提供了见解。调整Na4.3Fe3(PO4)2P2O7阴极中Fe的eg轨道占用率可以有效优化fed和op轨道的空间重叠，具有优异的钠离子电池倍率能力。eg可以作为Fe-O共价的重要描述符，将火山曲线描述为eg的函数。

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引用次数: 0

Correction: Alternative Strategy for Development of Dielectric Calcium Copper Titanate-Based Electrolytes for Low-Temperature Solid Oxide Fuel Cells 更正：用于低温固体氧化物燃料电池的介电钙铜钛酸盐电解质的替代发展策略。

IF 36.3 1区材料科学 Q1 Engineering

Nano-Micro Letters

Pub Date : 2026-02-04 DOI: 10.1007/s40820-026-02081-3

Sajid Rauf, Muhammad Bilal Hanif, Zuhra Tayyab, Matej Veis, M. A. K. Yousaf Shah, Naveed Mushtaq, Dmitry Medvedev, Yibin Tian, Chen Xia, Martin Motola, Bin Zhu

引用次数: 0

Nanoimprint Lithography Enabling High-Performance Organic Optoelectronics: Advances and Perspectives 纳米压印光刻实现高性能有机光电子学：进展与展望。

IF 36.3 1区材料科学 Q1 Engineering

Nano-Micro Letters

Pub Date : 2026-02-04 DOI: 10.1007/s40820-026-02093-z

Ningning Song, Xinghao Guo, Hongqiao Zhao, Bohang Li, Ningning Liang, Tianrui Zhai

Highlights

Nanoimprint lithography (NIL) enables high-performance light management in organic light-emitting diodes and organic solar cells, and enhances charge transport in organic field-effect transistors via controlled molecular ordering, pushing organic optoelectronics beyond conventional efficiency limits.
The technology provides a scalable, low-cost platform for large-area fabrication on flexible substrates, effectively bridging the gap between laboratory innovation and industrial mass production.
NIL uniquely empowers the creation of multifunctional integrated devices and novel architectures, opening pathways for next-generation wearable electronics and bio-integrated systems.

有机光电器件在柔性显示、可穿戴电子和人造皮肤等领域显示出巨大的潜力，需要精确的光场和形态管理策略来进一步提高其光电性能。纳米压印技术（NIL）是一种高分辨率、高效率和低成本的制版技术，通过机械地将微/纳米尺度的图案从模板转移到衬底上，通过精确地创建先进的光管理结构，结合额外的固态堆叠形态，显著提高光电性能。本文系统地综述了近年来有机光电子技术的研究进展。它首先介绍了基本原理，主要工艺变体（热，紫外线和电化学NIL），以及关键的技术问题。随后，通过在有机发光二极管、有机太阳能电池和有机场效应晶体管中的具体应用，它突出了NIL通过控制结晶和创建功能性微/纳米结构来提高器件性能的卓越能力。具体的优势包括实现高效率的光管理以克服效率瓶颈，促进低成本，高通量的工业化制造，与新兴应用的柔性基板完全兼容，实现多功能集成和新型器件架构，以及定制材料微结构和特性推进基础研究。最后，我们讨论了在集成有机光电系统中存在的挑战和未来的前景。

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引用次数: 0

Integrated Circuits on Fiber Substrates: State-of-the-Art System-on-Fiber Technologies for Smart Textiles and Wearables 光纤基板上的集成电路：用于智能纺织品和可穿戴设备的最新光纤上系统技术

IF 36.3 1区材料科学 Q1 Engineering

Nano-Micro Letters

Pub Date : 2026-02-03 DOI: 10.1007/s40820-025-02056-w

Juyoung Jin, Jonghyun Won, Daegun Kim, Shiva Kumar Arumugasamy, Sungjun Park, Tae-Wook Kim

Highlights

Presents a hierarchical overview of system-on-fiber (SoF) technologies, linking materials, fabrication methods, and device architectures from single-fiber electronics to system-level intelligent textiles.
Establishes a quantitative process–performance correlation framework, integrating AI-driven material optimization and comparative metrics (e.g., yield, endurance, and conductivity retention) across coating, thermal drawing, deposition, and spinning techniques.
Proposes a standardization and industrial translation roadmap outlining key steps testing certification, scalable manufacturing, and modular integration to move SoF systems from laboratory prototypes to consumer-ready smart textiles.

光纤系统技术已经成为一个有前途的平台，在纺织兼容的光纤架构中实现无缝集成传感、信号处理和通信功能。材料科学和微尺度制造的进步使得多功能纤维的发展成为大规模编织系统中的活性成分。这些纤维可以执行一系列功能，包括传感、数据处理，甚至是神经形态计算。尽管它们在可穿戴电子产品、医疗监控和人机界面方面有潜在的应用，但实际实施仍处于起步阶段。主要挑战包括器件封装、互连可靠性和可扩展制造方面的限制。本文系统地总结了基于光纤的集成电子、器件配置和集成策略的制造方法的最新进展。此外，还讨论了实现完全集成的自主光纤电子系统的关键技术障碍和未来机会。

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引用次数: 0

Quantum-Scale Friction at Solid–Liquid Interface: Simulation, Detection Techniques, Mechanisms, and Emerging Applications 固液界面的量子尺度摩擦：模拟、检测技术、机制和新兴应用

IF 36.3 1区材料科学 Q1 Engineering

Nano-Micro Letters

Pub Date : 2026-02-03 DOI: 10.1007/s40820-026-02066-2

Yishu Han, Rui Zhang, Dameng Liu, Jianbin Luo

Highlights

Reveals the quantum origin of solid liquid friction, governed by electron transfer, electron excitation, and electron-phonon coupling at interfaces.
Summarizes emerging characterization techniques and multiscale simulations that uncover quantum scale friction mechanisms beyond classical tribology.
Demonstrates the potential transformative applications of quantum scale interfacial friction in nano fluidics, energy harvesting, smart biomedical systems, and super lubrication.

固液界面在自然界和工程中普遍存在，其摩擦行为仍然是限制表面工程性能提高的关键因素。然而，传统摩擦学主要关注表面形貌等宏观变量的影响，而不能解释纳米尺度下超低摩擦现象的微观本质。近年来，电子和声子等量子激发在微/纳米固液摩擦中的作用越来越受到重视。通过使用太赫兹时域光谱和非接触原子力显微镜等原位检测技术，观察了量子尺度的摩擦。它的本质是由液体电荷密度的波动或固体内部的电子或声子激发引起的能量和动量传递。然而，在亚纳米和飞秒分辨率下同时探测多个物理量的能力有限，阻碍了对固液界面摩擦的量子起源和应用的全面理解。本文综合了量子尺度固液摩擦的前沿理论和实验进展，提出了基于模拟和实验深度融合的潜在突破路径，以解决理论框架不完整和检测能力受限等核心空白。尽管面临着多方面的挑战，但量子尺度的摩擦研究表明，在低功率纳米流体器件、高效储能、智能药物输送和超润滑材料等变革性技术方面，量子尺度的摩擦研究具有巨大的潜力，这凸显了它对界面科学、量子力学和微/纳米流体学融合的重要性。

引用次数: 0

Activating Progressive Sn2+ Nucleation by Micellar Structure Electrolyte for Dead-Sn-Free Aqueous Batteries 用胶束结构电解质激活无锡水电池中Sn2+的渐进成核

IF 36.3 1区材料科学 Q1 Engineering

Nano-Micro Letters

Pub Date : 2026-02-03 DOI: 10.1007/s40820-026-02070-6

Xiaojia Lan, Zhaoyu Zhang, Yuekai Lin, Wencheng Du, Yufei Zhang, Minghui Ye, Zhipeng Wen, Yongchao Tang, Xiaoqing Liu, Cheng Chao Li

The instantaneous nucleation of Sn originating from the uncontrolled diffusion of Sn²⁺ ions typically forms large, electrochemically inactive “dead Sn” that severely constraints the plating/stripping reversibility of Sn anode for acidic aqueous batteries. Herein, nanoscale spatial confinement of Sn²⁺ ions is realized in SnSO₄ electrolyte by strategically dictating spontaneous assembly of nanomicelles with amphipathic sulfolane. The as-constructed locally heterogeneous environment ensures the sustainable release of Sn²⁺ ions, which reprograms the nucleation manner from instantaneous to progressive modes. The consequent progressive formation of Sn nuclei triggers size refinement of electrodeposited Sn, thereby alleviating the “dead Sn” issue. Meanwhile, the reaction competitivity of Sn²⁺ reduction over hydrogen evolution side reaction is effectively strengthened as the consecutive hydrogen bonding network among bulk water is disrupted by the micellar structure. Consequently, Sn anode exerts an unprecedently high average Coulombic efficiency of 99.97% and witnesses a prominent life span extension from 710 to 8400 h (~ 11-fold enhancement). In a dual-plating configuration, the Sn||Mn full battery delivers a 1.6 V discharge plateau and sustains 790 cycles, demonstrating practical feasibility. Our findings underscore the decisive role of the very initial nucleation behavior in regulating metal electrochemistry, applicable to other multivalent anodes.

由于Sn 2+离子不受控制的扩散，锡的瞬时成核通常会形成大的、电化学上不活跃的“死锡”，这严重限制了酸性水电池锡阳极的镀/剥离可逆性。本文通过控制纳米胶束与两亲性亚砜的自发组装，实现了snso4电解质中sn2 +离子的纳米尺度空间约束。构建的局部异质环境保证了Sn 2+离子的持续释放，从而使成核方式从瞬时模式重编程为渐进模式。随后Sn核的逐步形成触发了电沉积Sn的尺寸细化，从而缓解了“死Sn”问题。同时，由于胶束结构破坏了体水之间连续的氢键网络，有效地增强了Sn 2+还原相对于析氢副反应的反应竞争力。因此，锡阳极的平均库仑效率达到了前所未有的99.97%，寿命从710延长到8400 h（提高了约11倍）。在双镀配置下，Sn||Mn全电池提供了1.6 V的放电平台，并持续790次循环，证明了实际可行性。我们的发现强调了初始成核行为在调节金属电化学中的决定性作用，适用于其他多价阳极。

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引用次数: 0

Bidirectionally Enhanced Reaction Kinetics in Vanadium Redox Flow Battery via Regulating Mixed-Valence States in Perovskite Electrodes 通过调节钙钛矿电极的混合价态双向增强钒氧化还原液流电池的反应动力学。

IF 36.3 1区材料科学 Q1 Engineering

Nano-Micro Letters

Pub Date : 2026-02-03 DOI: 10.1007/s40820-025-02060-0

Yingqiao Jiang, Ming Li, Jiaye Ye, Lei Dai, Haoran Jiang, Ling Wang, Zhangxing He

Highlights

A selectively regulating strategy for chemical environments of Mn ion activity donorsin LaMnO₃ perovskite can bidirectionally enhance vanadium reaction kinetics.
The key reactive sites and control steps of perovskite on vanadium redox reactions areestablished based on electrochemical tests and theoretical calculation.
Sr and Ce doped LaMnO₃ as anode and cathode catalysts of the vanadium redox flowbattery (VRFB) , respectively, synergistically improves the VRFB’s energy storageperformance.

为了提高钒氧化还原液流电池（VRFB）的电极反应动力学，采用了多种金属氧化物催化剂。然而，控制它们的催化作用的决定因素仍然没有得到充分的了解。本文通过在LaMnO3钙钛矿（LSMO和LCMO）的La位点选择性掺杂Sr和Ce来调节Mn离子活性供体的化学环境，从而促进钒的氧化还原反应过程。Sr掺杂增加了Mn离子的价态，使Mn离子更容易从电极上夺取电子并将其转移到V3+离子上，从而降低了V3+/V2+氧化还原过程的反应能垒。相反，Ce掺杂降低了Mn价态，增加了氧空位，促进了VO2+/VO2+氧化还原过程的电荷传递和质量传递。理论计算进一步表明，Sr和Ce的掺杂增强了钒离子的电荷转移和吸附能力。与原始VRFB相比，分别经过LSMO-和lcmo -修饰的VRFB在300 mA cm-2的高电流密度下表现出67%的能量效率，在150 mA cm-2的高电流密度下表现出15%的能量效率。这项研究对于促进对VRFB中高性能金属基电催化剂的基本理解和提供设计策略至关重要。

引用次数: 0

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