2011
DOI: 10.1021/nl1031106
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Plasmonic Dye-Sensitized Solar Cells Using Core−Shell Metal−Insulator Nanoparticles

Abstract: We present an investigation into incorporating core-shell Au-SiO(2) nanoparticles into dye-sensitized solar cells. We demonstrate plasmon-enhanced light absorption, photocurrent, and efficiency for both iodide/triiodide electrolyte based and solid-state dye-sensitized solar cells. Our spectroscopic investigation indicates that plasmon-enhanced photocarrier generation competes well with plasmons oscillation damping with in the first tens of femtoseconds following light absorption.

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Cited by 559 publications
(506 citation statements)
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“…The metal nanoparticles are deposited or even embedded in the semiconductor, and metal nanoparticles on the regulation of light characteristics are used to increase the absorption of incident light by increasing the local electric field [200][201][202]. The incident light is coupled with the nanoparticles in the form of waveguides between the nanoparticles and the medium until the light is completely absorbed [203][204][205].…”
Section: Solar Cellsmentioning
confidence: 99%
“…The metal nanoparticles are deposited or even embedded in the semiconductor, and metal nanoparticles on the regulation of light characteristics are used to increase the absorption of incident light by increasing the local electric field [200][201][202]. The incident light is coupled with the nanoparticles in the form of waveguides between the nanoparticles and the medium until the light is completely absorbed [203][204][205].…”
Section: Solar Cellsmentioning
confidence: 99%
“…It has been reported by different groups that plain metal particles on the front contact 38 or inside the active layer 39 of photovoltaic cells can degrade their efficiency. This is an effect which is debated in the plasmonic solar cells community.…”
mentioning
confidence: 99%
“…As shown in the experiments, the power conversion efficiencies were only 1.95 % [7] and 5.77 % [11] with the plasmonic effect considered. We show in next section that the parasitic absorption of small metal nanoparticles is the main reason, and the power conversion efficiency enhanced by metallic nanoparticles is much less than their enhanced efficiency of light collection because the metallic nanoparticles absorb one part of the incident light during surface plasmon resonance (SPR).…”
Section: Introductionmentioning
confidence: 80%
“…Brown et al [7] reported that adding Au-Si nanoparticles with the shell-core structure with size of 20 nm into the typical solid electrolyte DSSC led to an improvement of the conversion efficiency; Hagglund et al [8] studied the influence of Au nanoplate arrays on the photoelectric conduction of the dye-sensitized TiO2 thin-film.…”
Section: Introductionmentioning
confidence: 99%