非同心球壳附近量子点的自发辐射特性

doi:10.13438/j.cnki.jdzk.2025.04.009

吉首大学学报（自然科学版） ›› 2025, Vol. 46 ›› Issue (4): 61-67.DOI: 10.13438/j.cnki.jdzk.2025.04.009

非同心球壳附近量子点的自发辐射特性

张爽爽，单馨雨，黄勇刚

(吉首大学物理与机电工程学院，湖南吉首 416000)

出版日期:2025-07-25 发布日期:2025-08-05
作者简介:张爽爽(2000—)，女，河南荥阳人，吉首大学物理与机电工程学院硕士研究生，主要从事光与物质相互作用研究
基金资助:
国家自然科学基金资助项目(12464049)；湖南省教育厅科学研究项目(24C0254)；吉首大学科研项目（JD23005）

Spontaneous Emission Characteristics of Quantum Dots Near Non-Concentric Nanoshells

ZHANG Shuangshuang,SHAN Xinyu,HUANG Yonggang

(College of Physics and Electromechanical Engineering,Jishou University,Jishou 416000,Hunan China)

Online:2025-07-25 Published:2025-08-05

摘要/Abstract

摘要：以钠非同心球壳和金非同心球壳为研究对象，采用局域响应近似模型、硬壁流体动力学模型和量子流体动力学模型分析了内壳球心偏移量和尺寸放大效应对量子点自发辐射强度的影响.结果表明，内壳球心从最下端向最上端偏移时，量子点的自发辐射强度降低，共振峰峰位先蓝移后红移；非同心球壳尺寸增大时，量子点的自发辐射强度降低.

关键词： 表面等离激元, 非同心球壳, 自发辐射, 非局域效应

Abstract: To investigate the spontaneous emission characteristics of quantum dots near non-concentric sodium-gold (Na,Au) nanoshells,the local response approximation (LRAM),hard-wall hydrodynamic model (HDM),and quantum hydrodynamic model (QHDM) were employed to analyze the effects of core displacement and size scaling on the spontaneous emission intensity.The results demonstrate that as the core shifts from the bottom to the top of the shell,the spontaneous emission intensity decreases,accompanied by a resonance peak shift that first blueshifts and then redshifts.Additionally,increasing the size of the non-concentric nanoshell leads to a reduction in the quantum dot's spontaneous emission intensity.

Key words: surface plasmon, non-concentric nanoshells, spontaneous emission, nonlocal effects

张爽爽, 单馨雨, 黄勇刚. 非同心球壳附近量子点的自发辐射特性[J]. 吉首大学学报（自然科学版）, 2025, 46(4): 61-67.

ZHANG Shuangshuang, SHAN Xinyu, HUANG Yonggang. Spontaneous Emission Characteristics of Quantum Dots Near Non-Concentric Nanoshells[J]. Journal of Jishou University(Natural Sciences Edition), 2025, 46(4): 61-67.

参考文献

[1] KHALID MUHAMMAD,CIRAC CRISTIAN.Numerical Analysis of Nonlocal Optical Response of Metallic Nanoshells[J].Photonics,2019,6(2):39.DOI:10.3390/photonics6020039.
[2] GRAMOTNEV DMITRI K,BOZHEVOLNYI SERGEY I.Plasmonics Beyond the Diffraction Limit[J].Nature Photonics,2010,4(2):83-91.
[3] BAUMBERG JEREMY J,AIZPURUA JAVIER,MIKKELSEN MAIKEN H,et al.Extreme Nanophotonics from Ultrathin Metallic Gaps[J].Nature Materials,2019,18(7):668-678.
[4] MAIER STEFAN A.Plasmonics:Fundamentals and Applications[M].New York:Springer US,2007.
[5] NOVOTNY LUKAS,HECHT BERT.Principles of Nano-Optics[M].Cambridge:Cambridge University Press,2012.
[6] 李芸,高广波,单馨雨,等.纳米银球附近三能级原子的自发辐射动力学特性[J].吉首大学学报 (自然科学版),2023,44(6):50-58.
[7] PRODAN EMIL,RADLOFF CRISTIN,HALAS NAOMI J,et al.A Hybridization Model for the Plasmon Response of Complex Nanostructures[J].Science,2003,302(5644):419-422.
[8] ZHANG Yu,ZHEN Yurong,NEUMANN OARA,et al.Coherent Anti-Stokes Raman Scattering with Single-Molecule Sensitivity Using a Plasmonic Fano Resonance[J].Nature Communications,2014,5(1):4424.DOI:10.1038/ncomms5424.
[9] TAME MARK S,MCENERY KEVIN R,ZDEMIR 塁AHIN K,et al.Quantum Plasmonics[J].Nature Physics,2013,9(6):329-340.
[10] SCHULLER JON A,BARNARD EDWARD S,CAI Wenshan,et al.Plasmonics for Extreme Light Concentration and Manipulation[J].Nature Materials,2010,9(3):193-204.
[11] BRONGERSMA MARK L,HALAS NAOMI J,NORDLANDER PETER.Plasmon-Induced Hot Carrier Science and Technology[J].Nature Nanotechnology,2015,10(1):25-34.
[12] 张明富.球形结构中量子表面等离激元特性及其应用研究[D].吉首：吉首大学,2024.
[13] CIRAC CRISTIAN,HILL RYAN T,MOCK JACK J,et al.Probing the Ultimate Limits of Plasmonic Enhancement[J].Science,2012,337(6098):1072-1074.
[14] RAZA SREN,STENGER NICOLAS,KADKHODAZADEH SHIMA,et al.Blueshift of the Surface Plasmon Resonance in Silver Nanoparticles Studied with EELS[J].Nanophotonics,2013,2(2):131-138.
[15] TOSCANO GIUSEPPE,STRAUBEL JAKOB,KWIATKOWSKI ALEXANDER,et al.Resonance Shifts and Spill-Out Effects in Self-Consistent Hydrodynamic Nanoplasmonics[J].Nature Communications,2015,6(1):7132.DOI:10.1038/ncomms8132.
[16] WIENER ALEXANDER.Nonlocal Effects in Plasmonic Nanostructures[D].London:Imperial College London,2014.
[17] CIRAC CRISTIAN,DELLA SALA FABIO.Quantum Hydrodynamic Theory for Plasmonics:Impact of the Electron Density Tail[J].Physical Review B,2016,93(20):205405.DOI:10.1103/PhysRevB.93.205405.
[18] DAVID CRISTIAN,GARCIA DE ABAJO F JAVIER.Spatial Nonlocality in the Optical Response of Metal Nanoparticles[J].The Journal of Physical Chemistry C,2011,115(40):19470-19475.
[19] EKARDT WALTER.Size-Dependent Photoabsorption and Photoemission of Small Metal Particles[J].Physical Review B,1985,31(10):6360.DOI:10.1103/PhysRevB.31.6360.
[20] BRACK MATTHIAS.The Physics of Simple Metal Clusters:Self-Consistent Jellium Model and Semiclassical Approaches[J].Reviews of Modern Physics,1993,65(3):677.DOI:10.1103/RevModPhys.65.677.
[21] CIRAC CRISTIAN.Current-Dependent Potential for Nonlocal Absorption in Quantum Hydrodynamic Theory[J].Physical Review B,2017,95(24):245434.DOI:10.1103/PhysRevB.95.245434.
[22] ZHOU Qiang,LI Wei,HE Zhigang,et al.Quantum Hydrodynamic Model for Noble Metal Nanoplasmonics[J].Physical Review B,2023,107(20):205413.DOI:10.1103/PhysRevB.107.205413.
[23] CIRAC CRISTIAN,JURGA RADOSLAW,KHALID MUHAMMAD,et al.Plasmonic Quantum Effects on Single-Emitter Strong Coupling[J].Nanophotonics,2019,8(10):1821-1833.

非同心球壳附近量子点的自发辐射特性

Spontaneous Emission Characteristics of Quantum Dots Near Non-Concentric Nanoshells

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