Hybrid Plasmonic Modes for Enhanced Refractive Index Sensing

被引:13
作者
Dana, Bereket Dalga [1 ,2 ]
Ji, Boyu [1 ]
Lin, Jingquan [1 ,3 ]
Li, Longnan [4 ]
Koya, Alemayehu Nana [4 ]
Li, Wei [4 ]
机构
[1] Changchun Univ Sci & Technol, Sch Phys, Changchun 130022, Peoples R China
[2] Jinka Univ, Coll Nat & Computat Sci, Dept Phys, POB 165, Jinka, Ethiopia
[3] Changchun Univ Sci & Technol, Zhongshan Inst, Zhongshan 528400, Peoples R China
[4] Chinese Acad Sci, Changchun Inst Opt Fine Mech & Phys, GPL Photon Lab, State Key Lab Luminescence & Applicat, Changchun 130033, Peoples R China
来源
ADVANCED SENSOR RESEARCH | 2023年 / 2卷 / 12期
基金
中国国家自然科学基金;
关键词
charge transfer plasmons; Fano resonances; hybrid plasmons; lattice plasmon resonance; localized surface plasmons; refractive index sensing; NANOPARTICLE DIMERS; PARTICLE PAIRS; FANO RESONANCE; GAP MODES; NANOCAVITIES; QUANTUM; NANOSTRUCTURES; SPECTROSCOPY; METASURFACES; NANOANTENNAS;
D O I
10.1002/adsr.202300066
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
Compared to single nanoparticles, strongly coupled plasmonic nanoparticles provide attractive advantages owing to their ability to exhibit multiple resonances with unique spectral features and higher local field intensity. These enhanced plasmonic properties of coupled metal nanoparticles have been used for various applications including realization of strong light-matter interaction, photocatalysis, and sensing. In this article, the basic physics of hybrid plasmonic modes in coupled metallic nanodimers is reviewed and their potentials for refractive index sensing are assessed. In particular, the spectral line shapes of various modes of hybrid plasmons including bonding and antibonding modes in symmetric nanodimers, Fano resonances in asymmetric nanodimers, charge transfer plasmons in linked nanoparticle dimers, hybrid plasmon modes in nanoshells, gap modes in particle-on-mirror configurations, and hybrid magnetoplasmonic modes in heterodimers are overviewed. Beyond the dimeric nanosystems, the potentials of surface lattice resonances in periodic nanoparticle arrays for sensing applications are also showcased. Finally, based on the critical assessment of the recent research on coupled plasmonic modes, the outlook on the future prospects of hybrid plasmon-based refractometric sensing are discussed. Given their tunable resonances and ultranarrow spectral features, coupled metal nanoparticles are expected to play key roles in developing precise plasmonic nanodevices with extreme sensitivity. A critical review of spectral line shapes of exotic hybrid plasmonic modes that arise in strongly coupled metallic nanodimers is presented along with assessment of their potentials for enhanced refractive index sensing. The state of the art in nanodimer fabrication with precisely controlled particle sizes and interparticle sepations is briefly discussed. The future prospects of refractometric sensing with hybrid plasmons is put forward. image
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页数:14
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