Surface plasmon enhanced electric field versus Förster resonance energy transfer near core-shell nanoparticle

Shishodia, Manmohan Singh; Juneja, Sagar

doi:10.1063/1.5087583

Cited by 10 publications

(8 citation statements)

References 32 publications

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“…coupling factors vs characteristic under three different conditions: LSPP resonance (first row), SPP resonance (second row), and anti-resonance (third row). In addition, we examine the characteristic distance for the three distinct sizes of the Ag/dielectric spheres: small sphere (S), medium sphere (M), and large sphere (L), with dimensions of (20,30,40), (60,70,80), and (80, 90, 100), respectively. Note that (20,30,40) corresponds to an Ag/dielectric sphere with r core = 20 nm, r shell = 30 nm, and r dipole = 40 nm, as shown in Figure 1a.…”

Section: T H Imentioning

confidence: 99%

“…In addition, we examine the characteristic distance for the three distinct sizes of the Ag/dielectric spheres: small sphere (S), medium sphere (M), and large sphere (L), with dimensions of (20,30,40), (60,70,80), and (80, 90, 100), respectively. Note that (20,30,40) corresponds to an Ag/dielectric sphere with r core = 20 nm, r shell = 30 nm, and r dipole = 40 nm, as shown in Figure 1a. To show the characteristic distances of RET near the Ag/dielectric spheres, we mark the characteristic distances with the green dashed lines.…”

Section: T H Imentioning

confidence: 99%

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Controllable Frequency Dependence of Resonance Energy Transfer Coupled with Localized Surface Plasmon Polaritons

Lee

Hsu

2020

J. Phys. Chem. Lett.

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We investigate the intrinsic characteristics of resonance energy transfer (RET) coupled with localized surface plasmon polaritons (LSPPs) from the perspective of macroscopic quantum electrodynamics. To quantify the effect of LSPPs, we propose a numerical scheme that allows us to accurately calculate the rate of RET between a donor–acceptor pair near a nanoparticle. Our study shows that LSPPs can be used to enhance the RET rate significantly and control its frequency dependence by modifying a core/shell structure, which indicates the possibility of RET rate optimization. Moreover, we systematically explore the angle (distance) dependence of the RET rate and analyze its origin. According to different frequency regimes, the angle dependence of RET is dominated by different mechanisms, such as LSPPs, surface plasmon polaritons (SPPs), and anti-resonance. For the proposed core/shell structure, the characteristic distance of RET coupled with LSPPs (approximately 0.05 emission wavelength) is shorter than that of RET coupled with SPPs (approximately 0.1 emission wavelength), which may provide promising applications in energy science.

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Section: T H Imentioning

confidence: 99%

Section: T H Imentioning

confidence: 99%

Controllable Frequency Dependence of Resonance Energy Transfer Coupled with Localized Surface Plasmon Polaritons

Lee

Hsu

2020

J. Phys. Chem. Lett.

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“…The validation for three different core sizes (15, 21, 25 nm) is shown. The optical constants of refractory transition metal nitrides ZrN and HfN are adopted from Kumar et al [39] and that of Au are adopted from Shishodia and Juneja [13].…”

Section: Resultsmentioning

confidence: 99%

“…Such structures will provide a better platform for switching, spasing, molecular energy transfer, energy harvesting, bacteria detection, cancer therapy, etc. [5][6][7][8][9][10][11][12][13][14][15][16]. Plasmonic systems are emerging as the backbone of medical diagnostics, e.g., large efforts of physicists, chemists, biologists, and material scientists, are focused on the development of an ultrasensitive plasmonic sensor for bio-molecular sensing.…”

Section: Introductionmentioning

confidence: 99%

Fano Resonance-Based Blood Plasma Monitoring and Sensing using Plasmonic Nanomatryoshka

Pathania

Shishodia

2021

Plasmonics

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The fast label-free detection of specific antibodies and their concentration in blood plasma is useful for many applications, e.g., in Covid-19 patients. The change in biophysical properties like the refractive index of blood plasma due to the production of antibodies during infection may be very helpful in estimating the level and intensity of infection and subsequent treatment based on blood plasma therapy. In this article, Fano resonance-based refractive index sensor using plasmonic nanomatryoshka is proposed for blood plasma sensing. The interaction between hybridized modes (bright and dark modes) in optimized nanomatryoshka leads to Fano resonance, which by virtue of steeper dispersion can confine the light more efficiently compared with Lorentzian resonance. We propose the excitation of Fano resonances in sub 100-nm size nanomatryoshka based on newly emerging plasmonic materials ZrN and HfN, and one of the most widely used conventional plasmonic material, Au. Fano resonance-based plasmonic sensors leads to sensitivity = 188.5 nm/RIU, 242.5 nm/RIU, and 244.9 nm/RIU for Au, ZrN, and HfN, respectively. The corresponding figure of merit (nm/RIU) is ~ 3.5 × 10 3 , 3.1 × 10 3 , and 2.8 × 10 3 for Au, ZrN, and HfN, respectively. Present theoretical analysis shows that refractive index sensors with high sensitivity and figure of merit are feasible using Fano modes of plasmonic nanomatryoshka.

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“…Many researchers reported an interaction between FRET and metal NPs [ 131 , 132 , 133 , 134 , 135 ]. For lanthanide-doped materials, the FRET is applied to enhance the luminescence of materials by the indirect excitation, because the luminescence efficiency was limited due to the forbidden internal 4f-4f transitions direct excitation with the Ln 3+ activator.…”

Section: Plasmon-modulated Luminescence Of Lanthanide Materialsmentioning

confidence: 99%

Modulated Luminescence of Lanthanide Materials by Local Surface Plasmon Resonance Effect

et al. 2021

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Lanthanide materials have great applications in optical communication, biological fluorescence imaging, laser, and so on, due to their narrow emission bandwidths, large Stokes’ shifts, long emission lifetimes, and excellent photo-stability. However, the photon absorption cross-section of lanthanide ions is generally small, and the luminescence efficiency is relatively low. The effective improvement of the lanthanide-doped materials has been a challenge in the implementation of many applications. The local surface plasmon resonance (LSPR) effect of plasmonic nanoparticles (NPs) can improve the luminescence in different aspects: excitation enhancement induced by enhanced local field, emission enhancement induced by increased radiative decay, and quenching induced by increased non-radiative decay. In addition, plasmonic NPs can also regulate the energy transfer between two close lanthanide ions. In this review, the properties of the nanocomposite systems of lanthanide material and plasmonic NPs are presented, respectively. The mechanism of lanthanide materials regulated by plasmonic NPs and the scientific and technological discoveries of the luminescence technology are elaborated. Due to the large gap between the reported enhancement and the theoretical enhancement, some new strategies applied in lanthanide materials and related development in the plasmonic enhancing luminescence are presented.

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Surface plasmon enhanced electric field versus Förster resonance energy transfer near core-shell nanoparticle

Cited by 10 publications

References 32 publications

Controllable Frequency Dependence of Resonance Energy Transfer Coupled with Localized Surface Plasmon Polaritons

Controllable Frequency Dependence of Resonance Energy Transfer Coupled with Localized Surface Plasmon Polaritons

Fano Resonance-Based Blood Plasma Monitoring and Sensing using Plasmonic Nanomatryoshka

Modulated Luminescence of Lanthanide Materials by Local Surface Plasmon Resonance Effect

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