Experimental and Theoretical Investigation of the Distance Dependence of Localized Surface Plasmon Coupled Förster Resonance Energy Transfer

Zhang, Xia; Marocico, Cristian A.; Lunz, Manuela; Gérard, Valérie; Gun’ko, Yurii K.; Lesnyak, Vladimir; Gaponik, Nikolai; Susha, Andrei S.; Rogach, Andrey L.; Bradley, A. Louise

doi:10.1021/nn406530m

Cited by 133 publications

(142 citation statements)

References 51 publications

(155 reference statements)

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“…By tuning the spacing between the molecules and metallic substrate, coupling effect between SPR and excited state molecules can be moderated [84]. Recently, several works have reported that the result of investigations of the distance and plasmon wavelength dependent fluorescence of fluorophore via nanorod or nanoparticle substrate [85,86].…”

Section: The Wavelength and Spacer Effect Towards The Fluorescence Enmentioning

confidence: 99%

Recent Progress on Plasmon-Enhanced Fluorescence

et al. 2015

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Abstract:The optically generated collective electron density waves on metal-dielectric boundaries known as surface plasmons have been of great scientific interest since their discovery. Being electromagnetic waves on gold or silver nanoparticle's surface, localised surface plasmons (LSP) can strongly enhance the electromagnetic field. These strong electromagnetic fields near the metal surfaces have been used in various applications like surface enhanced spectroscopy (SES), plasmonic lithography, plasmonic trapping of particles, and plasmonic catalysis. Resonant coupling of LSPs to fluorophore can strongly enhance the emission intensity, the angular distribution, and the polarisation of the emitted radiation and even the speed of radiative decay, which is so-called plasmon enhanced fluorescence (PEF). As a result, more and more reports on surface-enhanced fluorescence have appeared, such as SPASER-s, plasmon assisted lasing, single molecule fluorescence measurements, surface plasmoncoupled emission (SPCE) in biological sensing, optical orbit designs etc. In this review, we focus on recent advanced reports on plasmon-enhanced fluorescence (PEF). First, the mechanism of PEF and early results of enhanced fluorescence observed by metal nanostructure will be introduced. Then, the enhanced substrates, including periodical and nonperiodical nanostructure, will be discussed and the most important factor of the spacer between molecule and surface and wavelength dependence on PEF is demonstrated. Finally, the recent progress of tipenhanced fluorescence and PEF from the rare-earth doped up-conversion (UC) and down-conversion (DC) nanoparticles (NPs) are also commented upon. This review provides an introduction to fundamentals of PEF, illustrates the current progress in the design of metallic nanostructures for efficient fluorescence signal amplification that utilises propagating and localised surface plasmons.

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Section: The Wavelength and Spacer Effect Towards The Fluorescence Enmentioning

confidence: 99%

Recent Progress on Plasmon-Enhanced Fluorescence

et al. 2015

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“…Surface photochemistry, chemical reactions driven by photoexcited carriers at metal surfaces, has been well studied in many contexts including solar energy conversion and atmospheric chemistry [37,[96][97][98]. The possibility of efficiently absorbing light and generating hot carriers in metal nanostructures using plasmon resonances has driven a lot of research in plasmon-driven photocatalysis [33,45,[99][100][101][102][103]. In particular, "semiconductor-free" water-splitting devices using only plasmonic hot carriers have been demonstrated recently [45].…”

Section: Molecular Injection: Plasmon-enhanced Catalysis and Femtochementioning

confidence: 99%

Plasmonic hot carrier dynamics in solid-state and chemical systems for energy conversion

2016

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Surface plasmons provide a pathway to efficiently absorb and confine light in metallic nanostructures, thereby bridging photonics to the nano scale. The decay of surface plasmons generates energetic 'hot' carriers, which can drive chemical reactions or be injected into semiconductors for nano-scale photochemical or photovoltaic energy conversion. Novel plasmonic hot carrier devices and architectures continue to be demonstrated, but the complexity of the underlying processes make a complete microscopic understanding of all the mechanisms and design considerations for such devices extremely challenging. Here, we review the theoretical and computational efforts to understand and model plasmonic hot carrier devices. We split the problem into three steps: hot carrier generation, transport and collection, and review theoretical approaches with the appropriate level of detail for each step along with their predictions. We identify the key advances necessary to complete the microscopic mechanistic picture and facilitate the design of the next generation of devices and materials for plasmonic energy conversion.

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“…Several earlier works have considered the influence of photonic nanostructures on the FRET process: some conclude that the FRET rate depends linearly on the donor emission rate and the LDOS [23][24][25][26][27], while some others report a FRET rate independent of the LDOS [28][29][30][31]. Earlier experiments on aluminum C-shaped nanoapertures did not reveal noticeable changes of the FRET efficiency [32].…”

Section: Introductionmentioning

confidence: 99%

FRET Enhancement in Aluminum Zero‐Mode Waveguides

et al. 2015

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Zero-mode waveguides (ZMWs) are confining light into attoliter volumes, enabling single molecule fluorescence experiments at physiological micromolar concentrations. Among the fluorescence spectroscopy techniques that can be enhanced by ZMWs, Förster resonance energy transfer (FRET) is one of the most widely used in life sciences. Combining zero-mode waveguides with FRET provides new opportunities to investigate biochemical structures or follow interaction dynamics at micromolar concentration with single molecule resolution. However, prior to any quantitative FRET analysis on biological samples, it is crucial to establish first the influence of the ZMW on the FRET process. Here, we quantify the FRET rates and efficiencies between individual donor-acceptor fluorophore pairs diffusing in aluminum zero-mode waveguides. Aluminum ZMWs are important structures thanks to their commercial availability and the large literature describing their use for single molecule fluorescence spectroscopy. We also compare the results between ZMWs milled in gold and aluminum, and find that while gold has a stronger influence on the decay rates, the lower losses of aluminum in the green spectral region provide larger fluorescence brightness enhancement factors. For both aluminum and gold ZMWs, we observe that the FRET rate scales linearly with the isolated donor decay rate and the local density of optical states (LDOS). Detailed information about FRET in ZMWs unlocks their application as new devices for enhanced single molecule FRET at physiological concentrations.

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Experimental and Theoretical Investigation of the Distance Dependence of Localized Surface Plasmon Coupled Förster Resonance Energy Transfer

Cited by 133 publications

References 51 publications

Recent Progress on Plasmon-Enhanced Fluorescence

Recent Progress on Plasmon-Enhanced Fluorescence

Plasmonic hot carrier dynamics in solid-state and chemical systems for energy conversion

FRET Enhancement in Aluminum Zero‐Mode Waveguides

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