Plasmon enhanced fluorescence from meticulously positioned gold nanoparticles, deposited by ultra sonic spray coating on organic light emitting diodes

kumar, Rachith shanivarasanthe nithyananda; Eerdekens, Maarten; Coene, Yovan de; Nagaraja, Veda Sandeep; Ahadzadehsh, Shabnam; Landeghem, Melissa Van; Verbiest, Thierry; Deferme, Wim

doi:10.1039/d2na00753c

Cited by 2 publications

(1 citation statement)

References 71 publications

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“…It has been demonstrated that nanoparticles with sharp corners and edges cause stronger localized field enhancement [10,11]. Thus, an enhanced EF can significantly increase the excitation rate of fluorescent emitters [12]. However, PNPs suffer from high dissipative and radiative losses.…”

Section: Introductionmentioning

confidence: 99%

Enhanced fluorescence emission of a single quantum dot in a porous silicon photonic crystal—plasmonic hybrid resonator

Granizo,

Kriukova,

Escudero-Villa

et al. 2024

J. Phys.: Conf. Ser.

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Currently, much interest is attracted to investigating the potential of hybrid systems that exhibit plasmon-induced photoluminescence (PL) enhancement of quantum emitters in terms of optoelectronics and biosensing applications. The implementation of these systems based on photonic microcavities offers benefits due to a stronger localization of the field within the resonant cavity. Porous silicon is one of interesting materials for engineering such microcavities thanks to the simplicity of its fabrication and the possibility to embed emitters from the solution into a ready-made resonator. In this theoretical study, the fluorescence enhancement of a quantum dot (QD) in a hybrid system based on a porous silicon microcavity (pSiMC) and silver nanoplatelets (AgNPs) was investigated using finite element method (FEM) numerical simulations. For this purpose, infinite arrays were simulated by using a periodic unit cell. The pSiMC was designed as two λ/4 distributed Bragg reflectors with alternating refractive indices and a cavity layer of a double thickness between them. For comparison, simulations were also performed for an AgNP and a QD in a reference monolayer with a constant refractive index without a microcavity structure. The results show QD fluorescence enhancement in the AgNP/pSiMC hybrid system, mainly due to the higher excitation rate.

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Section: Introductionmentioning

confidence: 99%

Enhanced fluorescence emission of a single quantum dot in a porous silicon photonic crystal—plasmonic hybrid resonator

Granizo,

Kriukova,

Escudero-Villa

et al. 2024

J. Phys.: Conf. Ser.

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show abstract

Recent trends in aptamer-based nanobiosensors for detection of vascular endothelial growth factors (VEGFs) biomarker: A review

Nourizad

Golmohammadi

Aghanejad

et al. 2023

Environmental Research

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Plasmon enhanced fluorescence from meticulously positioned gold nanoparticles, deposited by ultra sonic spray coating on organic light emitting diodes

Abstract: Enhancement of the spontaneous emission of the fluorophores aided by plasmonic nanoparticles (PNPs) prompted the growth of plasmonic organic light emitting diodes (OLEDs). Together with the spatial dependence of fluorophore...

Cited by 2 publications

References 71 publications

Enhanced fluorescence emission of a single quantum dot in a porous silicon photonic crystal—plasmonic hybrid resonator

Enhanced fluorescence emission of a single quantum dot in a porous silicon photonic crystal—plasmonic hybrid resonator

Recent trends in aptamer-based nanobiosensors for detection of vascular endothelial growth factors (VEGFs) biomarker: A review

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