The Structure of Evaporated Metal Films and Their Optical Properties

Sennett, R. S.; Scott, G. D.

doi:10.1364/josa.40.000203

Cited by 403 publications

(146 citation statements)

References 20 publications

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“…Silver thin films of 50 nm thicknesses, previously determined to be optimal for SPs excitation [28], were deposited on standard microscope glass slides using two methods, electroless plating [28], and thermal evaporation [29]. Different deposition conditions, in particular deposition rates, were used for the thermal evaporation to vary the surface roughness of the deposited silver films [29].…”

Section: Silver Film Fabricationmentioning

confidence: 99%

Effect of surface roughness on metal enhanced fluorescence in planar substrates and optical fibers

Klantsataya¹,

François²,

Ebendorff-Heidepriem³

et al. 2016

Opt. Mater. Express

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Abstract:We investigate the effect of the roughness of thin silver films on the performance of sensors that exploit metal enhanced fluorescence (MEF). Fluorescence enhancement of dye molecules of up to 47 times was observed on planar glass substrates coated with metal films of higher roughness of around 8 nm. We also study the fluorescence enhancement on the rough silver films implemented on a side of an optical fiber and analyze its dependence on the thickness of the metal. A maximum enhancement factor of 15 was demonstrated for thinner coatings where the film could be considered as a layer of particles. The chemical electroless plating technique used here to produce films with desired roughness is a low cost simple alternative to complex procedures that are currently used for fabrication of nanostructured metal coatings on optical fibers for MEF.

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Section: Silver Film Fabricationmentioning

confidence: 99%

Effect of surface roughness on metal enhanced fluorescence in planar substrates and optical fibers

Klantsataya¹,

François²,

Ebendorff-Heidepriem³

et al. 2016

Opt. Mater. Express

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show abstract

“…§ 124. thae experimental work on fluorescence [164][165][166][167][168][169] has been carried out : by using islands formed [170][171] The fluorescence intensity has a peak as a function of film thickness…”

mentioning

confidence: 99%

Surface enhanced spectroscopy

Metiu

1984

Progress in Surface Science

293

196

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“…A low substrate temperature generally reduces surface diffusion of Ag atoms, and thus alters the nucleation processes. 72 Presland et al 73 defined induction time t i as the time at which the void density increases in the film during an isothermal anneal for a given film thickness; it is related to the activation energy E ai of void formation as …”

Section: Low-temperature Depositionmentioning

confidence: 99%

Transparent electrode of nanoscale metal film for optoelectronic devices

Lee

2015

J. Photon. Energy

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Abstract. This paper reviews the principles, impediments, and recent progress in the development of ultrathin flexible Ag electrodes for use in flexible optoelectronic devices. Thin Ag-based electrodes are promising candidates for next-generation flexible transparent electrodes. Thin Ag-based electrodes that have a microcavity structure show the best device performance, but have relatively low optical transmittance (OT) due to reflection and absorption of photons by the thin Ag; this trait causes problems such as spectral narrowing and change of emission color with viewing angle in white organic light-emitting diodes. Thinning the Ag electrode to < − 10 nm thickness (ultrathin Ag) is an approach to overcome these problems. This ultrathin Ag electrode has a high OT, while providing comparable sheet resistance similar to indium tin oxide. As the OT of the electrode increases, the cavity is weakened, so the spectral width of the emission and the angular color stability are increased.

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The Structure of Evaporated Metal Films and Their Optical Properties

Cited by 403 publications

References 20 publications

Effect of surface roughness on metal enhanced fluorescence in planar substrates and optical fibers

Effect of surface roughness on metal enhanced fluorescence in planar substrates and optical fibers

Surface enhanced spectroscopy

Transparent electrode of nanoscale metal film for optoelectronic devices

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