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Massively Enhanced Charge Selectivity, Ion Transport, and Osmotic Energy Conversion by Antiswelling Nanoconfined Hydrogels. 抗溶胀纳米封闭水凝胶大规模增强的电荷选择性、离子传输和渗透能量转换功能
IF 9.6 1区 材料科学
Nano Letters Pub Date : 2024-09-18 Epub Date: 2024-09-05 DOI: 10.1021/acs.nanolett.4c03836
Yi-Chuan Lin, Hong-Hsu Chen, Chien-Wei Chu, Li-Hsien Yeh
{"title":"Massively Enhanced Charge Selectivity, Ion Transport, and Osmotic Energy Conversion by Antiswelling Nanoconfined Hydrogels.","authors":"Yi-Chuan Lin, Hong-Hsu Chen, Chien-Wei Chu, Li-Hsien Yeh","doi":"10.1021/acs.nanolett.4c03836","DOIUrl":"10.1021/acs.nanolett.4c03836","url":null,"abstract":"<p><p>Developing a nanofluidic membrane with simultaneously enhanced ion selectivity and permeability for high-performance osmotic energy conversion has largely been unexplored. Here, we tackle this issue by the confinement of highly space-charged hydrogels within an orderedly aligned nanochannel array membrane. The nanoconfinement effect endows the hydrogel-based membrane with excellent antiswelling property. Furthermore, experimental and simulation results demonstrate that such a nanoconfined hydrogel membrane exhibits massively enhanced cation selectivity and ion transport properties. Consequently, an amazingly high power density up to ∼52.1 W/m<sup>2</sup> with an unprecedented energy conversion efficiency of 37.5% can be reached by mixing simulated salt-lake water (5 M NaCl) and river water (0.01 M NaCl). Both efficiency indexes surpass those of most of the state-of-the-art nanofluidic membranes. This work offers insights into the design of highly ion-selective membranes to achieve ultrafast ion transport and high-performance osmotic energy harvesting.</p>","PeriodicalId":53,"journal":{"name":"Nano Letters","volume":null,"pages":null},"PeriodicalIF":9.6,"publicationDate":"2024-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142138608","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
Two-Orders-of-Magnitude Enhancement of SERS Activity via a Simple Surface Engineering of Quasi-Metal Single-Crystal Frameworks. 通过简单的准金属单晶框架表面工程提高 SERS 活性的两个数量级。
IF 9.6 1区 材料科学
Nano Letters Pub Date : 2024-09-18 Epub Date: 2024-09-03 DOI: 10.1021/acs.nanolett.4c03309
Xiaoyu Song, Yahui Li, Meng Yin, Wencai Yi, Wei Liu, Junfang Li, Guangcheng Xi
{"title":"Two-Orders-of-Magnitude Enhancement of SERS Activity via a Simple Surface Engineering of Quasi-Metal Single-Crystal Frameworks.","authors":"Xiaoyu Song, Yahui Li, Meng Yin, Wencai Yi, Wei Liu, Junfang Li, Guangcheng Xi","doi":"10.1021/acs.nanolett.4c03309","DOIUrl":"10.1021/acs.nanolett.4c03309","url":null,"abstract":"<p><p>Beyond noble metals and semiconductors, quasi-metals have recently been shown to be noteworthy substrates for surface enhanced Raman spectroscopy, and their excellent quasi-metal surface-enhanced Raman spectroscopy (SERS) sensing has demonstrated a wider range of application scenarios. However, the underlying mechanism behind the enhanced Raman activity is still unclear. Here, we demonstrate that surface hydroxyls play a crucial role in the enhancement of the SERS activity of quasi-metal nanostructures. As a demonstration material, quasi-metallic MoO<sub>2</sub> single-crystal frameworks rich in surface hydroxyls have been shown to have 100 times higher SERS activity than MoO<sub>2</sub> single-crystal frameworks without hydroxyl functionalization, with a Raman enhancement factor of up to 7.6 × 10<sup>7</sup>. Experimental and first-principles density-functional theory calculation results show that the enhanced Raman activity can be attributed to an effective interfacial charge transfer within the MoO<sub>2</sub>/OH/molecule system.</p>","PeriodicalId":53,"journal":{"name":"Nano Letters","volume":null,"pages":null},"PeriodicalIF":9.6,"publicationDate":"2024-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142118356","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
Monitoring Hot Holes in Plasmonic Catalysis on Silver Nanoparticles by Using an Ion Label. 利用离子标签监测银纳米粒子上等离子催化过程中的热洞
IF 9.6 1区 材料科学
Nano Letters Pub Date : 2024-09-18 Epub Date: 2024-09-03 DOI: 10.1021/acs.nanolett.4c03265
Xiaomeng Du, Teng Wang, Yonglong Li, Aonan Zhu, Yanfang Hu, Aoxuan Du, Yan Zhao, Wei Xie
{"title":"Monitoring Hot Holes in Plasmonic Catalysis on Silver Nanoparticles by Using an Ion Label.","authors":"Xiaomeng Du, Teng Wang, Yonglong Li, Aonan Zhu, Yanfang Hu, Aoxuan Du, Yan Zhao, Wei Xie","doi":"10.1021/acs.nanolett.4c03265","DOIUrl":"10.1021/acs.nanolett.4c03265","url":null,"abstract":"<p><p>Energetic carriers generated by localized surface plasmon resonance (LSPR) provide an efficient way to drive chemical reactions. However, their dynamics and impact on surface reactions remain unknown due to the challenge in observing hot holes. This makes it difficult to correlate the reduction and oxidation half-reactions involving hot electrons and holes, respectively. Here we detect hot holes in their chemical form, Ag(I), on a Ag surface using surface-enhanced Raman scattering (SERS) of SO<sub>3</sub><sup>2-</sup> as a hole-specific label. It allows us to determine the dynamic correlations of hot electrons and holes. We find that the equilibrium of holes is the key factor of the surface chemistry, and the wavelength-dependent plasmonic chemical anode refilling (PCAR) effect plays an important role, in addition to the LSPR, in promoting the electron transfer. This method paves the way for visualizing hot holes with nanoscale spatial resolution toward the rational design of a plasmonic catalytic platform.</p>","PeriodicalId":53,"journal":{"name":"Nano Letters","volume":null,"pages":null},"PeriodicalIF":9.6,"publicationDate":"2024-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142118302","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
Synergistic Effect of Ionic Liquid and Embedded QDs on 2D Ferroelectric Perovskite Films with Narrow Phase Distribution for Self-Powered and Broad-Band Photodetectors. 离子液体和嵌入式 QDs 对具有窄相分布的二维铁电 Perovskite 薄膜的协同效应，用于自供电和宽带光电探测器。
IF 9.6 1区 材料科学
Nano Letters Pub Date : 2024-09-18 Epub Date: 2024-09-04 DOI: 10.1021/acs.nanolett.4c03143
Linjuan Guo, Xiaoran Yang, Yu Liang, Zihao Wu, Xingyuan San, Zhenguang Wang, Leipeng Li, Zhenyang Liu, Jianhui Chen, Shufang Wang, Xuning Zhang, Caofeng Pan, Zheng Yang
{"title":"Synergistic Effect of Ionic Liquid and Embedded QDs on 2D Ferroelectric Perovskite Films with Narrow Phase Distribution for Self-Powered and Broad-Band Photodetectors.","authors":"Linjuan Guo, Xiaoran Yang, Yu Liang, Zihao Wu, Xingyuan San, Zhenguang Wang, Leipeng Li, Zhenyang Liu, Jianhui Chen, Shufang Wang, Xuning Zhang, Caofeng Pan, Zheng Yang","doi":"10.1021/acs.nanolett.4c03143","DOIUrl":"10.1021/acs.nanolett.4c03143","url":null,"abstract":"<p><p>2D layered metal halide perovskites (MHPs) are a potential material for fabricating self-powered photodetectors (PDs). Nevertheless, 2D MHPs produced via solution techniques frequently exhibit multiple quantum wells, leading to notable degradation in the device performance. Besides, the wide band gap in 2D perovskites limits their potential for broad-band photodetection. Integrating narrow-band gap materials with perovskite matrices is a viable strategy for broad-band PDs. In this study, the use of methylamine acetate (MAAc) as an additive in 2D perovskite precursors can effectively control the width of the quantum wells (QWs). The amount of MAAc greatly affects the phase purity. Subsequently, PbSe QDs were embedded into the 2D perovskite matrix with a broadened absorption spectrum and no negative effects on ferroelectric properties. PM6:Y6 was combined with the hybrid ferroelectric perovskite films to create a self-powered and broad-band PD with enhanced performance due to a ferro-pyro-phototronic effect, reaching a peak responsivity of 2.4 A W<sup>-1</sup> at 940 nm.</p>","PeriodicalId":53,"journal":{"name":"Nano Letters","volume":null,"pages":null},"PeriodicalIF":9.6,"publicationDate":"2024-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142124196","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-Sieving Label-Free Surface-Enhanced Raman Spectroscopy for Sensitive Detection of Trace Small-Molecule Biomarkers in Clinical Samples. 用于灵敏检测临床样本中痕量小分子生物标记物的无标签分子筛表面增强拉曼光谱。
IF 9.6 1区 材料科学
Nano Letters Pub Date : 2024-09-18 Epub Date: 2024-09-05 DOI: 10.1021/acs.nanolett.4c02890
Mingyang Chen, Yangcenzi Xie, Ming Li
{"title":"Molecular-Sieving Label-Free Surface-Enhanced Raman Spectroscopy for Sensitive Detection of Trace Small-Molecule Biomarkers in Clinical Samples.","authors":"Mingyang Chen, Yangcenzi Xie, Ming Li","doi":"10.1021/acs.nanolett.4c02890","DOIUrl":"10.1021/acs.nanolett.4c02890","url":null,"abstract":"<p><p>Small-molecule biomarkers are ubiquitous in biological fluids with pathological implications, but major challenges persist in their quantitative analysis directly in complex clinical samples. Herein, a molecular-sieving label-free surface-enhanced Raman spectroscopy (SERS) biosensor is reported for selective quantitative analysis of trace small-molecule trimetazidine (TMZ) in clinical samples. Our biosensor is fabricated by decorating a superhydrophobic monolayer of microporous metal-organic frameworks (MOF) shell-coated Au nanostar nanoparticles on a silicon substrate. The design strategy principally combines the hydrophobic surface-enabled physical confinement and preconcentration, MOF-assisted molecular enrichment and sieving of small molecules, and sensitive SERS detection. Our biosensor utilizes such a \"molecular confinement-and-sieving\" strategy to achieve a five orders-of-magnitude dynamic detection range and a limit of detection of ≈0.5 nM for TMZ detection in either urine or whole blood. We further demonstrate the applicability of our biosensing platform for longitudinal label-free SERS detection of the TMZ level directly in clinical samples in a mouse model.</p>","PeriodicalId":53,"journal":{"name":"Nano Letters","volume":null,"pages":null},"PeriodicalIF":9.6,"publicationDate":"2024-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142131186","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
Nonvolatile Electro-optic Response of Graphene Driven by Ferroelectric Polarization. 铁电极化驱动石墨烯的非易失性电光响应。
IF 9.6 1区 材料科学
Nano Letters Pub Date : 2024-09-18 Epub Date: 2024-09-03 DOI: 10.1021/acs.nanolett.4c02625
Jianghong Wu, Jialing Jian, Hui Ma, Yuting Ye, Bo Tang, Zhuang Qian, Qingyan Deng, Boshu Sun, Shi Liu, Hongtao Lin, Lan Li
{"title":"Nonvolatile Electro-optic Response of Graphene Driven by Ferroelectric Polarization.","authors":"Jianghong Wu, Jialing Jian, Hui Ma, Yuting Ye, Bo Tang, Zhuang Qian, Qingyan Deng, Boshu Sun, Shi Liu, Hongtao Lin, Lan Li","doi":"10.1021/acs.nanolett.4c02625","DOIUrl":"10.1021/acs.nanolett.4c02625","url":null,"abstract":"<p><p>Two-dimensional materials (2DMs) have exhibited remarkably tunable optical characteristics, which have been applied for significant applications in communications, sensing, and computing. However, the reported tunable optical properties of 2DMs are almost volatile, impeding them in the applications of multifarious emerging frameworks such as programmable operation and neuromorphic computing. In this work, nonvolatile electro-optic response is developed by the graphene-Al<sub>2</sub>O<sub>3</sub>-In<sub>2</sub>Se<sub>3</sub> heterostructure integrating with microring resonators (MRRs). In such compact devices, the optical absorption coefficient of graphene is substantially tuned by the out-of-plane ferroelectric polarization in α-In<sub>2</sub>Se<sub>3</sub>, resulting in a nonvolatile optical transmission in MRRs. This work demonstrates that integrating graphene with ferroelectric materials paves the way to develop nonvolatile devices in photonic circuits for emerging applications such as optical neural networks.</p>","PeriodicalId":53,"journal":{"name":"Nano Letters","volume":null,"pages":null},"PeriodicalIF":9.6,"publicationDate":"2024-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142118318","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
Localized Plasmonic Structured Illumination Microscopy Using Hybrid Inverse Design. 使用混合逆向设计的局部等离子体结构照明显微镜。
IF 9.6 1区 材料科学
Nano Letters Pub Date : 2024-09-18 Epub Date: 2024-09-05 DOI: 10.1021/acs.nanolett.4c03069
Qianyi Wu, Yihao Xu, Junxiang Zhao, Yongmin Liu, Zhaowei Liu
{"title":"Localized Plasmonic Structured Illumination Microscopy Using Hybrid Inverse Design.","authors":"Qianyi Wu, Yihao Xu, Junxiang Zhao, Yongmin Liu, Zhaowei Liu","doi":"10.1021/acs.nanolett.4c03069","DOIUrl":"10.1021/acs.nanolett.4c03069","url":null,"abstract":"<p><p>Super-resolution fluorescence imaging has offered unprecedented insights and revolutionized our understanding of biology. In particular, localized plasmonic structured illumination microscopy (LPSIM) achieves video-rate super-resolution imaging with ∼50 nm spatial resolution by leveraging subdiffraction-limited nearfield patterns generated by plasmonic nanoantenna arrays. However, the conventional trial-and-error design process for LPSIM arrays is time-consuming and computationally intensive, limiting the exploration of optimal designs. Here, we propose a hybrid inverse design framework combining deep learning and genetic algorithms to refine LPSIM arrays. A population of designs is evaluated using a trained convolutional neural network, and a multiobjective optimization method optimizes them through iteration and evolution. Simulations demonstrate that the optimized LPSIM substrate surpasses traditional substrates, exhibiting higher reconstruction accuracy, robustness against noise, and increased tolerance for fewer measurements. This framework not only proves the efficacy of inverse design for tailoring LPSIM substrates but also opens avenues for exploring new plasmonic nanostructures in imaging applications.</p>","PeriodicalId":53,"journal":{"name":"Nano Letters","volume":null,"pages":null},"PeriodicalIF":9.6,"publicationDate":"2024-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142131185","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
Lorentz Force-Actuated Bidirectional Nanoelectromechanical Switch with an Ultralow Operation Voltage. 具有超低工作电压的洛伦兹力驱动双向纳米机电开关
IF 9.6 1区 材料科学
Nano Letters Pub Date : 2024-09-18 Epub Date: 2024-07-31 DOI: 10.1021/acs.nanolett.4c01999
Dianlun Li, Jiang Yan, Ying Zhang, Junzhuan Wang, Linwei Yu
{"title":"Lorentz Force-Actuated Bidirectional Nanoelectromechanical Switch with an Ultralow Operation Voltage.","authors":"Dianlun Li, Jiang Yan, Ying Zhang, Junzhuan Wang, Linwei Yu","doi":"10.1021/acs.nanolett.4c01999","DOIUrl":"10.1021/acs.nanolett.4c01999","url":null,"abstract":"<p><p>The high operating voltage of conventional nanoelectromechanical switches, typically tens of volts, is much higher than the driving voltage of the complementary metal oxide semiconductor integrated circuit (∼1 V). Though the operating voltage can be reduced by adopting a narrow air gap, down to several nanometers, this leads to formidable manufacturing challenges and occasionally irreversible switch failures due to the surface adhesive force. Here, we demonstrate a new nanowire-morphed nanoelectromechanical (NW-NEM) switch structure with ultralow operation voltages. In contrast to conventional nanoelectromechanical switches actuated by unidirectional electrostatic attraction, the NW-NEM switch is bidirectionally driven by Lorentz force to allow the use of a large air gap for excellent electrical isolation, while achieving a record-low driving voltage of <0.2 V. Furthermore, the introduction of the Lorentz force allows the NW-NEM switch to effectively overcome the adhesion force to recover to the turn-off state.</p>","PeriodicalId":53,"journal":{"name":"Nano Letters","volume":null,"pages":null},"PeriodicalIF":9.6,"publicationDate":"2024-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141858301","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
Cu Nanowires Trigger Efficient Cuproptosis via Special Intracellular Distribution and Excessive Cu Ion Release. 铜纳米线通过特殊的细胞内分布和过量的铜离子释放引发高效的铜突变。
IF 9.6 1区 材料科学
Nano Letters Pub Date : 2024-09-18 Epub Date: 2024-09-03 DOI: 10.1021/acs.nanolett.4c02503
Zihan Chen, Yue Li, Yongguang Yin, Maoyong Song, Fengbang Wang, Guibin Jiang
{"title":"Cu Nanowires Trigger Efficient Cuproptosis <i>via</i> Special Intracellular Distribution and Excessive Cu Ion Release.","authors":"Zihan Chen, Yue Li, Yongguang Yin, Maoyong Song, Fengbang Wang, Guibin Jiang","doi":"10.1021/acs.nanolett.4c02503","DOIUrl":"10.1021/acs.nanolett.4c02503","url":null,"abstract":"<p><p>Cuproptosis, dependent on Cu overload, presents novel opportunities for cancer therapy. Cu-based nanomaterials have shown excellent advantages for the intracellular delivery of Cu. However, the biological process of Cu nanomaterials transporting Cu ions into cancer cells remains unclear. In this study, we tracked the Cu ion release process of copper nanowires (CuNWs) and copper nanoparticles (CuNPs) at the single-cell level. CuNWs with 5-μm length and CuNPs were found to be completely internalized by cancer cells. Interestingly, CuNWs escaped from the endolysosomal system, whereas CuNPs were mainly trapped in the lysosomes. This specific intracellular distribution of CuNWs led to cytoplasmic Cu ion overload, directly damaging mitochondria and inducing dihydrolipoamide S-acetyltransferase (DLAT) protein aggregation. Through these excessive Cu ions, CuNWs triggered more efficient cuproptosis than CuNPs to further increase cell death. Thus, CuNWs are more effective in delivering Cu ions than CuNPs, providing a novel perspective for designing cuproptosis-based functional nanomaterials for cancer therapy.</p>","PeriodicalId":53,"journal":{"name":"Nano Letters","volume":null,"pages":null},"PeriodicalIF":9.6,"publicationDate":"2024-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142118295","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
Interfacial Robustness and Improved Kinetics of Single-Crystal Ni-Rich Co-Free Cathodes Enabled by Surface Crystal-Facet Modulation. 通过表面晶面调制实现单晶富镍无共价阴极的界面稳健性和动力学改进
IF 9.6 1区 材料科学
Nano Letters Pub Date : 2024-09-18 Epub Date: 2024-09-03 DOI: 10.1021/acs.nanolett.4c01816
Zhiming Xiao, Xinyou He, Fangyong Yu, Bao Zhang, Xing Ou
{"title":"Interfacial Robustness and Improved Kinetics of Single-Crystal Ni-Rich Co-Free Cathodes Enabled by Surface Crystal-Facet Modulation.","authors":"Zhiming Xiao, Xinyou He, Fangyong Yu, Bao Zhang, Xing Ou","doi":"10.1021/acs.nanolett.4c01816","DOIUrl":"10.1021/acs.nanolett.4c01816","url":null,"abstract":"<p><p>The elimination of Co from Ni-rich layered cathodes is critical to reduce the production cost and increase the energy density for sustainable development. Herein, a delicate strategy of crystal-facet modulation is designed and explored, which is achieved by simultaneous Al/W-doping into the precursors, while the surface role of the crystal-facet is intensively revealed. Unlike traditional studies on crystal structure growth along a certain direction, this work modulates the crystal-facet at the nanoscale based on the effect of W-doping dynamic migration with surface energy, successfully constructing the core-shell (003)/(104) facet surface. Compared to the (003) plane, the induced (104) facet at the surface can provide more space for Li<sup>+</sup>-activity, enabling lower interfacial polarization and higher Li<sup>+</sup>-transport rate. Additionally, bulk Al-doping is beneficial for enhancing the Li<sup>+</sup>-diffusion from the exterior surface to the interior lattice. With improved interfacial stability and restrained surface erosion, the product exhibits superior capacity retention and boosted rate performance under the elevated temperature.</p>","PeriodicalId":53,"journal":{"name":"Nano Letters","volume":null,"pages":null},"PeriodicalIF":9.6,"publicationDate":"2024-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142118299","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
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