Strongly Coupled Plasmonic Modes on Macroscopic Areas via Template-Assisted Colloidal Self-Assembly

Hanske, Christoph; Tebbe, Moritz; Kuttner, Christian; Bieber, Vera; Tsukruk, Vladimir V.; Chanana, Munish; König, Tobias; Fery, Andreas

doi:10.1021/nl502776s

Cited by 169 publications

(257 citation statements)

References 59 publications

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“…[1][2][3][4][5][6][7] Typically such structures are prepared by top-down methods using lithography such as e-beam, ion-beam or UV photolithography providing structures with dimensions down to a few nm. In addition, these methods allow the fabrication of periodic nanoarrays with precisely controllable inter-particle distances.…”

Section: Introductionmentioning

confidence: 99%

Binary plasmonic honeycomb structures: High-resolution EDX mapping and optical properties

Honold

Volk

Retsch

et al. 2016

Colloids and Surfaces A: Physicochemical and Engineering Aspect

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Section: Introductionmentioning

confidence: 99%

Binary plasmonic honeycomb structures: High-resolution EDX mapping and optical properties

Honold

Volk

Retsch

et al. 2016

Colloids and Surfaces A: Physicochemical and Engineering Aspect

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“…The large energy separation between the lower and upper polariton branches at zero detuning (more than 700 meV) indicates that the PP coupling is in the strong coupling regime [2]. We believe that increasing the concentration of Ag NPs and quality factor of the Ag thin film results in generation of collectively coupled plasmonic modes [24]; thus, formation of a large plasmonic bandgap can be observed [ Fig. 5(c)].…”

mentioning

confidence: 99%

Strong coupling between localized and propagating plasmon polaritons

2015

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We investigate plasmon-plasmon (PP) coupling in the strongly interacting regimes by using a tunable plasmonic platform consisting of triangular Ag nanoprisms placed nanometers away from Ag thin films. The nanoprisms are colloidally synthesized using a seed-mediated growth method and having size-tunable localized surface plasmon polariton (SPP) resonances immobilized on Si 3 N 4 films. The PP coupling between the localized SPPs of metal nanoprisms and the propagating SPPs of the metal film is controlled by the nanoprism concentration and the plasmon damping in the metal film. Results reveal that Rabi splitting energy determining the strength of the coupling can reach up to several hundreds meV, thus demonstrating the ultrastrong coupling occurring between localized and propagating SPPs. The metal nanoparticle-metal thin film hybrid system over the square-centimeter areas presented here provides a unique configuration to study PP coupling all the way from the weak to ultrastrong coupling regimes in a broad range of wavelengths. Studying light-matter interaction at the nanoscale dimension with metallic nanostructures and metallic thin films has become an intense area of research due to the ability of metallic nanostructures and metallic ultrathin films to confine and concentrate light at the subwavelength scale by excitation of surface plasmon polaritons (SPPs) [1,2]. SPP-enabled enhancement of light-matter interaction has been further driven by the developments of improved top-down and bottom-up nanofabrication techniques and also by the ability to chemically synthesize quantum dots with size-and shape-tunable optical properties.To further widen the scope of the fundamental and applied science application of metallic plasmonic structures and boost the performance of the plasmonic devices, new hybrid platforms with easily tunable optical properties are required for engineering light-matter interaction at the nanoscale. This goal has been sought either by metal nanoparticle-metal film [3][4][5][6][7][8][9][10][11] or metal nanoparticle-metal nanoparticle [12-15] configurations. Previously, metal nanoparticles placed nanometers away from continuous metal thin films resulting in a number of enhanced optical effects and tunable plasmon resonances have been proposed and experimentally demonstrated as plasmonic platforms to study coupling of localized SPPs (LSPP) and propagating SPPs (PSPPs) [3][4][5][6][7][8][9][10][11]. Until now, the plasmonplasmon (PP) coupling observed in this configuration has been mostly studied using isotropic Ag nanoparticles having plasmon resonance at ∼400 nm or isotropic gold nanoparticles having plasmon resonance at ∼530 nm. In other cases, metal nanodisks and gratings have been used to study the PP coupling [9,10]. An optimum dielectric spacer layer thickness of around 10-30 nm was found to maximize PP coupling efficiency [3]. In the previous studies: (1) PP coupling has been investigated in the strong coupling regime, nevertheless, the extent of the coupling has not been reported; (2) most...

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“…157 Recently, Fery et al investigated the plasmonic properties of nanoparticle chains formed by template-assisted self-assembly. 158 They investigated the optical properties of assemblies of single particle chains, dimer chains and tetramer chains. They found a remarkable red shift of the main resonance from around 500 nm for isolated particles up to 1500 nm for nanoparticle chain assemblies of varied chain length giving rise to far-field UVvis/NIR spectra.…”

Section: Lspr Of 1d Chainmentioning

confidence: 99%

“…5,157,158 We present experimental data on the light scattering properties of linear chains of Ag nanoparticles. This study will further help in correlating the wavelength shift with the conductance switching.…”

Section: Lspr Of 1d Chainmentioning

confidence: 99%

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Electrochemical formation of one-dimensional metal nanostructures across microgaps electrodes for resistive switching and optical sensing applications.

Shah¹

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Shah, Nidhi, "Electrochemical formation of one-dimensional metal nanostructures across microgaps electrodes for resistive switching and optical sensing applications." (2015). Electronic Theses and Dissertations. Device at LRS state from 0 to -3.2 V and HRS from -3.2 V to -5 V in the forward scan. In the reverse scan, device is at HRS from -5 V to -3 V and remain in LRS throughout the cycle. In both cases, the device shows unipolar behavior where HRS and LRS can be seen at the same polarity. The lack of hysteresis in the forward and reverse scan makes it difficult to identify a good read voltage.

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Strongly Coupled Plasmonic Modes on Macroscopic Areas via Template-Assisted Colloidal Self-Assembly

Cited by 169 publications

References 59 publications

Binary plasmonic honeycomb structures: High-resolution EDX mapping and optical properties

Binary plasmonic honeycomb structures: High-resolution EDX mapping and optical properties

Strong coupling between localized and propagating plasmon polaritons

Electrochemical formation of one-dimensional metal nanostructures across microgaps electrodes for resistive switching and optical sensing applications.

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