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The Throttle Effect in Metal–Organic Frameworks for Distinguishing Water Isotopes 用于区分水同位素的金属有机框架中的节流效应
IF 10.8 1区 材料科学
Nano Letters Pub Date : 2024-11-08 DOI: 10.1021/acs.nanolett.4c03881
Xiao Xiao, Guangyu He, Junbao Ma, Xuejun Cheng, Ruoxu Wang, Hongyu Chen
{"title":"The Throttle Effect in Metal–Organic Frameworks for Distinguishing Water Isotopes","authors":"Xiao Xiao, Guangyu He, Junbao Ma, Xuejun Cheng, Ruoxu Wang, Hongyu Chen","doi":"10.1021/acs.nanolett.4c03881","DOIUrl":"https://doi.org/10.1021/acs.nanolett.4c03881","url":null,"abstract":"Metal–organic frameworks (MOFs) have been widely used for separation, but amplifying subtle differences between similar molecules to achieve effective separation remains a great challenge. In this study, we utilize the fluorescent molecule uranine (Ura) to modulate the pores of zeolitic-imidazolate framework 8 (ZIF8), creating an unusual throttle effect. By monitoring fluorescence intensity changes in Ura, the transport diffusion process could be quantified to reveal the diffusion constant of solvents. When we pushed the Ura occupancy to its limit (from 59% to 76% and 98%), the diffusion rate decreases by 2 orders of magnitude. Most importantly, there is a significant dissymmetry between the two-way exchange rates of solvents, and the rates of H<sub>2</sub>O and D<sub>2</sub>O became distinguishable. Such unusual throttle effects disappear at low Ura occupancy of 59% and 76%. We believe that the throttle effect with small-molecule loading could provide a universal design principle for MOF-based applications, especially for isotope separation.","PeriodicalId":53,"journal":{"name":"Nano Letters","volume":null,"pages":null},"PeriodicalIF":10.8,"publicationDate":"2024-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142598192","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
Lensless On-Chip Chemiluminescence Imaging for High-Throughput Single-Cell Heterogeneity Analysis 用于高通量单细胞异质性分析的无透镜片上化学发光成像技术
IF 10.8 1区 材料科学
Nano Letters Pub Date : 2024-11-08 DOI: 10.1021/acs.nanolett.4c04487
Dehong Yang, Ying Fang, Xiaoyin Liu, Jinbiao Ma, Jiahao Xu, Hao Dong, Haiying Ding, Di Wang, Qingjun Liu, Fenni Zhang
{"title":"Lensless On-Chip Chemiluminescence Imaging for High-Throughput Single-Cell Heterogeneity Analysis","authors":"Dehong Yang, Ying Fang, Xiaoyin Liu, Jinbiao Ma, Jiahao Xu, Hao Dong, Haiying Ding, Di Wang, Qingjun Liu, Fenni Zhang","doi":"10.1021/acs.nanolett.4c04487","DOIUrl":"https://doi.org/10.1021/acs.nanolett.4c04487","url":null,"abstract":"High-throughput single-cell heterogeneity imaging and analysis is essential for understanding complex biological systems and for advancing personalized precision disease diagnosis and treatment. Here, we present a miniaturized lensless chemiluminescence chip for high-throughput single-cell functional imaging with subcellular resolution. With the sensitive chemiluminescence sensing and wide field of view of contact lensless imaging, we demonstrated the chemiluminescent imaging of over 1000 single cells, and their membrane glycoprotein and the high-throughput single-cell heterogeneity of membrane protein imaging were examined for precision analysis. Furthermore, the functional adhesion and heterogeneity of single live cells were imaged and explored. This miniaturized lensless on-chip CL-CMOS imaging platform enables high-throughput single-cell imaging and analysis with high sensitivity and subcellular resolution, providing new techniques for the cellular study of biological heterogeneity and has potential application in precision disease diagnosis and treatment at the point-of-care settings.","PeriodicalId":53,"journal":{"name":"Nano Letters","volume":null,"pages":null},"PeriodicalIF":10.8,"publicationDate":"2024-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142598193","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
Consolidating the Oxygen Reduction with Sub-Polarized Graphitic Fe–N4 Atomic Sites for an Efficient Flexible Zinc–Air Battery 将氧还原与次极化石墨化 Fe-N4 原子位点相结合，制造高效柔性锌-空气电池
IF 10.8 1区 材料科学
Nano Letters Pub Date : 2024-11-07 DOI: 10.1021/acs.nanolett.4c03665
Wenfang Zhai, Jialei Li, Yahui Tian, Hang Liu, Yaoda Liu, Zhixin Guo, Thangavel Sakthivel, Licheng Bai, Xue-Feng Yu, Zhengfei Dai
{"title":"Consolidating the Oxygen Reduction with Sub-Polarized Graphitic Fe–N4 Atomic Sites for an Efficient Flexible Zinc–Air Battery","authors":"Wenfang Zhai, Jialei Li, Yahui Tian, Hang Liu, Yaoda Liu, Zhixin Guo, Thangavel Sakthivel, Licheng Bai, Xue-Feng Yu, Zhengfei Dai","doi":"10.1021/acs.nanolett.4c03665","DOIUrl":"https://doi.org/10.1021/acs.nanolett.4c03665","url":null,"abstract":"The effectuation of the Zn–air battery (ZAB) is appealing for active and durable catalysts to kinetically drive the sluggish cathodic oxygen reduction reaction (ORR). Atomic metal-N<sub><i>x</i></sub>-C sites are widely witnessed with Pt-like activity, but their demetalations still severely restrict the durability in ORR. Here we have profiled an ordered hierarchical porous carbon supported Fe–N<sub>4</sub> single-atom (FeNC) catalyst by a template derivation method for efficient ORR and flexible ZAB studies. The FeNC structure is observed with a sub-polarized graphitic Fe–N<sub>4</sub> coordination with a shortened Fe–N bond for potentially consolidating the ORR, together with the hierarchical porous matrix for kinetical mass transfer. Resultantly, the optimized FeNC catalyst showcases Pt-beyond alkaline ORR activity (<i>E</i><sub>1/2</sub> = 0.95 V) with long-term durability for 100 h, delivering the flexible ZAB device with high power density (251 mW cm<sup>–2</sup>) and durable cycle life (80 h). This research underscores the criterion in rationalizing active and robust ORR catalysts through metal–nitrogen bond modulation.","PeriodicalId":53,"journal":{"name":"Nano Letters","volume":null,"pages":null},"PeriodicalIF":10.8,"publicationDate":"2024-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142598196","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
Porous V2CTx MXene as a High Stability Zinc Anode Protective Coating 多孔 V2CTx MXene 作为高稳定性锌阳极保护涂层
IF 10.8 1区 材料科学
Nano Letters Pub Date : 2024-11-07 DOI: 10.1021/acs.nanolett.4c02347
Guanyu Ma, Kerun Chen, He Qiao, Jiaxin Liu, Honglei Dong, Yu Gao
{"title":"Porous V2CTx MXene as a High Stability Zinc Anode Protective Coating","authors":"Guanyu Ma, Kerun Chen, He Qiao, Jiaxin Liu, Honglei Dong, Yu Gao","doi":"10.1021/acs.nanolett.4c02347","DOIUrl":"https://doi.org/10.1021/acs.nanolett.4c02347","url":null,"abstract":"Aqueous Zn batteries exhibit significant research potential owing to their environmental friendliness and high energy density. Nevertheless, the formation of dendrites on the zinc anode and the sluggish diffusion kinetics of zinc ions adversely affect the cycle life of zinc ion batteries. In this study, we employ porous V<sub>2</sub>CT<sub><i>x</i></sub> (MVMX) as a protective layer for the zinc anode. The uniform porous structure of MVMX promotes active site exposure and facilitates the transport of zinc ions. Remarkably, the Zn@Ti half-cell demonstrated an average CE of 99.7% in 1500 cycles. Furthermore, the Zn–Zn symmetric battery exhibited stable cycling for 1600 h at current densities of 5 mA cm<sup>–2</sup> and 1 mAh cm<sup>–2</sup>. Additionally, the MVMX@Zn||V<sub>2</sub>O<sub>5</sub> full cell exhibited a capacity of 198 mAh g<sup>–1</sup> and retained a capacity of 124.75 mAh g<sup>–1</sup> after 5000 cycles at 1 A g<sup>–1</sup>, demonstrating the potential of employing alternative MXenes for fabricating stable zinc anodes.","PeriodicalId":53,"journal":{"name":"Nano Letters","volume":null,"pages":null},"PeriodicalIF":10.8,"publicationDate":"2024-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142598261","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
Unlocking Full-Spectrum Brilliance: Dimensional Regulation in Lead-Free Metal Halides for Superior Photoluminescence 开启全光谱光辉：无铅金属卤化物的尺寸调节，实现卓越的光致发光性能
IF 10.8 1区 材料科学
Nano Letters Pub Date : 2024-11-07 DOI: 10.1021/acs.nanolett.4c03843
Xiaochen Wang, Tianxin Bai, Jinglu Sun, Jianyong Liu, Yan Su, Junsheng Chen
{"title":"Unlocking Full-Spectrum Brilliance: Dimensional Regulation in Lead-Free Metal Halides for Superior Photoluminescence","authors":"Xiaochen Wang, Tianxin Bai, Jinglu Sun, Jianyong Liu, Yan Su, Junsheng Chen","doi":"10.1021/acs.nanolett.4c03843","DOIUrl":"https://doi.org/10.1021/acs.nanolett.4c03843","url":null,"abstract":"Lead-free metal halides with tunable structures have emerged as a new class of optoelectronic materials. The arrangement of metal halide polyhedra defines their structural dimensionality and serves as a key factor influencing their optical properties. To investigate this, we synthesized four different antimony (Sb)-doped indium (In)-based metal halides, all of which possess zero-dimensional (0D) electronic structures but exhibit 3D, 2D, 1D, and 0D structural dimensionality at the molecular level. With a decreasing of structural dimensionality, their self-trapped exciton (STE) emission shows a red shift with peak position from 496 to 663 nm. We revealed that the red shift is caused by increased distortion of [SbCl<sub>6</sub>]<sup>3–</sup> octahedra as the structural dimensionality decreases, leading to lowered energy levels of STE and a corresponding red shift. The tunable STE emission makes these metal halides promising for anticounterfeiting and white LED applications. These findings provide a new strategy for tuning STE emission in lead-free metal halides.","PeriodicalId":53,"journal":{"name":"Nano Letters","volume":null,"pages":null},"PeriodicalIF":10.8,"publicationDate":"2024-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142598198","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
Efficient Thermo-Optic Switching and Modulating in Nonlocal Metasurfaces 非局部元表面中的高效热光切换和调制
IF 10.8 1区 材料科学
Nano Letters Pub Date : 2024-11-07 DOI: 10.1021/acs.nanolett.4c03801
Hui Jiang, Esha Maqbool, Yangjian Cai, Zhanghua Han
{"title":"Efficient Thermo-Optic Switching and Modulating in Nonlocal Metasurfaces","authors":"Hui Jiang, Esha Maqbool, Yangjian Cai, Zhanghua Han","doi":"10.1021/acs.nanolett.4c03801","DOIUrl":"https://doi.org/10.1021/acs.nanolett.4c03801","url":null,"abstract":"High-<i>Q</i> optical resonances in nonlocal metasurfaces, benefiting from significantly enhanced light/matter interactions, feature strong responses even under a weak external stimulus. In this work, we leverage the high-<i>Q</i> resonances of quasi-guided modes (QGMs) supported by a photonic crystal slab (PCS) structure to achieve efficient optical switching/modulation. The QGMs with an experimentally measured <i>Q</i>-factor of ∼2200 are realized by shifting every second column of air holes in a rectangular lattice within a silicon slab. At a weak illumination intensity of less than 4.0 W/cm<sup>2</sup> from a 532 nm continuous-wave pump laser, the QGM resonance around 1550 nm experiences a pronounced spectral shift, with modulation depth exceeding 55%. This is attributed to the thermo-optic response caused by photothermal heating of the metasurface triggered by the absorption of the pump laser in silicon, which is further verified by the electrical heating approach. Our reported results showcase a simple yet effective way of tailoring light propagation in nonlocal metasurfaces.","PeriodicalId":53,"journal":{"name":"Nano Letters","volume":null,"pages":null},"PeriodicalIF":10.8,"publicationDate":"2024-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142594527","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
Plasmon–Exciton Strong Coupling in Colloidal Au Nanocubes with Layered Molecular J-Aggregates 具有层状分子 J 聚合体的胶体金纳米立方体中的等离子体-放电子强耦合
IF 10.8 1区 材料科学
Nano Letters Pub Date : 2024-11-07 DOI: 10.1021/acs.nanolett.4c04900
Yoon-Min Lee, Hyewon Choi, Seong-Eun Kim, Jiho Kim, Hyun Woo Kim, Jeong-Eun Park
{"title":"Plasmon–Exciton Strong Coupling in Colloidal Au Nanocubes with Layered Molecular J-Aggregates","authors":"Yoon-Min Lee, Hyewon Choi, Seong-Eun Kim, Jiho Kim, Hyun Woo Kim, Jeong-Eun Park","doi":"10.1021/acs.nanolett.4c04900","DOIUrl":"https://doi.org/10.1021/acs.nanolett.4c04900","url":null,"abstract":"Strong coupling between light and matter forms hybrid states, such as exciton–polaritons, which are crucial for advancements in quantum science and technology. Plasmonic metal nanoparticles, with their ultrasmall mode volumes, are effective for generating these states, but the coupling strength is often limited by surface saturation of excitonic materials. Additionally, cubic nanoparticles, which can generate strong local fields, have not been systematically explored. This study investigates strong coupling in Au nanocubes (AuNCs) coupled with J-aggregates, observing spectral splitting in both extinction and scattering spectra. Our findings suggest that smaller AuNCs, with higher-quality resonances and reduced mode volumes, achieve stronger coupling. Furthermore, a layer-by-layer (LBL) coating of J-aggregates on AuNCs results in a ∼21% increase in coupling strength. Simulations reveal the mechanism behind the enhanced coupling and confirm that the layering method effectively increases coupling, surpassing the limitations of the finite surface area of nanoparticles.","PeriodicalId":53,"journal":{"name":"Nano Letters","volume":null,"pages":null},"PeriodicalIF":10.8,"publicationDate":"2024-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142598197","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
Double Quantum Spin Hall Phase in Moiré WSe2. Moiré WSe2 中的双量子自旋霍尔相。
IF 9.6 1区 材料科学
Nano Letters Pub Date : 2024-11-06 DOI: 10.1021/acs.nanolett.4c05308
Kaifei Kang, Yichen Qiu, Kenji Watanabe, Takashi Taniguchi, Jie Shan, Kin Fai Mak
{"title":"Double Quantum Spin Hall Phase in Moiré WSe<sub>2</sub>.","authors":"Kaifei Kang, Yichen Qiu, Kenji Watanabe, Takashi Taniguchi, Jie Shan, Kin Fai Mak","doi":"10.1021/acs.nanolett.4c05308","DOIUrl":"10.1021/acs.nanolett.4c05308","url":null,"abstract":"<p><p>Quantum spin Hall (QSH) insulators are topologically protected phases of matter in two dimensions that can support a pair of helical edge states surrounding an insulating bulk. A higher (even) number of helical edge state pairs is usually not possible in real materials because spin mixing would gap out the edge states. Here, we report experimental evidence for a QSH phase with one and two pairs of helical edge states in twisted bilayer WSe<sub>2</sub> at Moiré hole filling factor ν = 2 and 4, respectively. We observe nearly quantized (within 10%) resistance plateaus of <math><mfrac><mrow><mi>h</mi></mrow><mrow><mi>ν</mi><msup><mrow><mi>e</mi></mrow><mrow><mn>2</mn></mrow></msup></mrow></mfrac></math> and large nonlocal transport at ν = 2 and 4 while the bulk is insulating. The resistance is independent of the out-of-plane magnetic field and increases under an in-plane magnetic field. The results agree with quantum transport of helical edge states in a material with high spin Chern bands protected by Ising spin conservation symmetry.</p>","PeriodicalId":53,"journal":{"name":"Nano Letters","volume":null,"pages":null},"PeriodicalIF":9.6,"publicationDate":"2024-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142589549","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
Physical and Chemical Dual Confinement Promotes Controllable Synthesis of Loose-Structured Azine-Linked Nanofilms for Fast Molecular Separation. 物理和化学双重限制促进了用于快速分子分离的松散结构氮连接纳米薄膜的可控合成。
IF 9.6 1区 材料科学
Nano Letters Pub Date : 2024-11-06 DOI: 10.1021/acs.nanolett.4c04326
Xingming Wu, Penglin Cheng, Chuanqi Cai, Miaomiao Tian, Yatao Zhang, Bart Van der Bruggen, Junyong Zhu
{"title":"Physical and Chemical Dual Confinement Promotes Controllable Synthesis of Loose-Structured Azine-Linked Nanofilms for Fast Molecular Separation.","authors":"Xingming Wu, Penglin Cheng, Chuanqi Cai, Miaomiao Tian, Yatao Zhang, Bart Van der Bruggen, Junyong Zhu","doi":"10.1021/acs.nanolett.4c04326","DOIUrl":"https://doi.org/10.1021/acs.nanolett.4c04326","url":null,"abstract":"<p><p>Thin-film composite (TFC) membranes, featuring nanoscale film thickness and customizable pore structures, hold promise for solute-solute separations. However, achieving on-demand molecular sieving requires fine control over the membrane microstructure. Here, the concept of physical and chemical dual confinement (PCDC) is introduced to fabricate loose-structured TFC membranes via confined interfacial polymerization (IP). This concept leverages the synergistic effects of physically restricted monomer diffusion and a chemically inhibited reaction to achieve controlled nanofilm growth. Dorsal addition of the aqueous phase to the hydrogel reduces the diamine diffusion via electrostatic and H-bonding interactions within its nanopores. The prepassivation of hydrazine using acid protonation effectively weakens its ability for nucleophilic reactivity. This confined IP between twisted TFPA and short-chain hydrazine yielded loosely structured azine-linked nanofilms, which displayed a high permeability of 53.4 LMH bar<sup>-1</sup> and effective differentiation of binary mixtures. This PCDC concept offers a useful guideline to finely tailor polymeric nanofilms for precise separations.</p>","PeriodicalId":53,"journal":{"name":"Nano Letters","volume":null,"pages":null},"PeriodicalIF":9.6,"publicationDate":"2024-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142580878","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
Resonance Wavelength Stabilization of Quasi-Bound States in the Continuum Constructed by Symmetry Breaking and Area Compensation. 通过对称性破坏和面积补偿构建的连续体中准束缚态的共振波长稳定。
IF 9.6 1区 材料科学
Nano Letters Pub Date : 2024-11-06 DOI: 10.1021/acs.nanolett.4c04217
Shaojun You, Haoxuan He, Ying Zhang, Hong Duan, Lulu Wang, Yiyuan Wang, Shengyun Luo, Chaobiao Zhou
{"title":"Resonance Wavelength Stabilization of Quasi-Bound States in the Continuum Constructed by Symmetry Breaking and Area Compensation.","authors":"Shaojun You, Haoxuan He, Ying Zhang, Hong Duan, Lulu Wang, Yiyuan Wang, Shengyun Luo, Chaobiao Zhou","doi":"10.1021/acs.nanolett.4c04217","DOIUrl":"https://doi.org/10.1021/acs.nanolett.4c04217","url":null,"abstract":"<p><p>Dielectric metasurface supported symmetry-protected bound states in the continuum (SP-BIC) provide an important platform for enhancing light-matter interactions. However, the conversion of SP-BIC into quasi-BIC (QBICs) through symmetry breaking is often accompanied by a shift in the resonance wavelength. In this work, we present a generalized viewpoint aimed at achieving the wavelength stability of QBICs through symmetry breaking and area compensation (SBAC). Three SBAC schemes we propose are equal proportional compensation along both <i>x</i>- and <i>y</i>-directions and equal proportional compensation along <i>x</i>-direction only or <i>y</i>-direction only. The QBICs resonance wavelengths stabilized at about 1200, 1520, and 1434 nm are achieved in monomer, dimer, and tetramer metasurfaces, respectively. Finally, we perform an experimental demonstration in a nanohole dimer photonic crystal slab. The QBICs resonance wavelength stabilized at 1658 nm for SBAC. Our approach provides new routes for realizing QBICs with a stable wavelength and tunable Q-factor.</p>","PeriodicalId":53,"journal":{"name":"Nano Letters","volume":null,"pages":null},"PeriodicalIF":9.6,"publicationDate":"2024-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142580879","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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