Plasmonic Forward Scattering Effect in Organic Solar Cells: A Powerful Optical Engineering Method

Baek, Se‐Woong; Noh, Jonghyeon; Lee, Chunho; Kim, BongSoo; Seo, Min-Kyo; Lee, Jung‐Yong

doi:10.1038/srep01726

Cited by 224 publications

(147 citation statements)

References 43 publications

(51 reference statements)

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“…While Interlayers incorporating discrete metallic NPs have been studied extensively in recent years and there are numerous reviews on the topic, [162][163][164][165][166][167] interlayers consisting of continuous metallic nanostructures, such as the gratings shown in Fig. 3(c) or nanohole arrays, have not been studied as extensively.…”

Section: Plasmonic Interlayersmentioning

confidence: 99%

“…51 The majority of studies to-date on plasmonic interlayers incorporating continuous metallic nanostructures have been computational, as opposed to studies of interlayers consisting of discrete metallic NPs, which have been both experimental and computational. [162][163][164][165][166][167] Further experimental studies on plasmonic electrodes as interlayers are necessary to determine if these structures can be beneficial for enhancing the performance of BHJ-OPVs.…”

Section: Plasmonic Interlayersmentioning

confidence: 99%

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Plasmonic electrodes for bulk-heterojunction organic photovoltaics: a review

et al. 2015

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Abstract. Here, we review recent progress on the integration of plasmonic electrodes into bulkheterojunction organic photovoltaic devices. Plasmonic electrodes, consisting of thin films of metallic nanostructures, can exhibit a number of optical, electrical, and morphological effects that can be exploited to improve performance parameters of ultrathin photovoltaic active layers. We review the various types of plasmonic electrodes that have been incorporated into organic photovoltaics such as nanohole, nanowire, and nanoparticle arrays and grating electrodes and their impact on various device performance parameters. The use of plasmonic back electrodes can impact device performance in a number of ways because the mechanisms of performance improvements are often a complex combination of optical, electrical, and structural effects. Inverted bulk heterojunction device architectures have been shown to benefit from the multifunctionality of plasmonic back electrodes as they can minimize space-charge effects and reduce hole carrier collection lengths in addition to providing improved light localization in the active layer. The use of semi-transparent plasmonic electrodes can also be beneficial for organic photovoltaics as they can exhibit a variety of optical properties such as light scattering, light localization, extraordinary transmission of light, and absorption-induced transparency, in addition to providing an alternative to metal oxide-based transparent electrodes. © The Authors. Published by SPIE under a Creative Commons Attribution 3.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.

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Section: Plasmonic Interlayersmentioning

confidence: 99%

Section: Plasmonic Interlayersmentioning

confidence: 99%

Plasmonic electrodes for bulk-heterojunction organic photovoltaics: a review

et al. 2015

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“…In recent studies, the localized surface plasmon resonance (LSPR) effect of metal nanoparticles has been explored to enhance the absorption of thin films, and it has been applied to increase the efficiency of solar cells [31,32]. The LSPR effect of metal nanoparticles occurs when the frequency of incoming light matches the frequency of oscillating free electrons in the nanoparticles, resulting in both enhanced scattering and enhanced absorption of the light.…”

Section: Resultsmentioning

confidence: 99%

“…The LSPR effect of metal nanoparticles occurs when the frequency of incoming light matches the frequency of oscillating free electrons in the nanoparticles, resulting in both enhanced scattering and enhanced absorption of the light. For silver nanoparticles, the optimal nanoparticle size is around 80 nm, which results in dominant forward light scattering that enhances absorption in the solar cell active region by increasing the optical path length [31]. For plasmonic organic solar cells, depending on the solubility characteristics of silver nanoparticles, they are either co-dissolved into the hydrophilic hole transport layer solution of poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) (PEDOT:PSS) or the hydrophobic organic active region solution, from which thin films of the nanocomposite are formed by spin-casting [32].…”

Section: Resultsmentioning

confidence: 99%

RIR-MAPLE deposition of plasmonic silver nanoparticles

Hoang

Mikkelsen

2016

Appl. Phys. A

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Nanoparticles are being explored in many different applications due to the unique properties offered by quantum effects. To broaden the scope of these applications, the deposition of nanoparticles onto substrates in a simple and controlled way is highly desired. In this study, we use resonant infrared matrix-assisted pulsed laser evaporation (RIR-MAPLE) for the deposition of metallic, silver nanoparticles for plasmonic applications. We find that RIR-MAPLE, a simple and versatile approach, is able to deposit silver nanoparticles as large as 80 nm onto different substrates with good adhesion, regardless of substrate properties. In addition, the nanoparticle surface coverage of the substrates, which result from the random distribution of nanoparticles across the substrate per laser pulse, can be simply and precisely controlled by RIR-MAPLE. Polymer films of poly(3-hexylthiophene-2,5-diyl) (P3HT) are also deposited by RIR-MAPLE on top of the deposited silver nanoparticles in order to demonstrate enhanced absorption due to the localized surface plasmon resonance effect. The reported features of RIR-MAPLE nanoparticle deposition indicate that this tool can enable efficient processing of nanoparticle thin films for applications that require specific substrates or configurations that are not easily achieved using solution-based approaches.

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“…Owing to the plasmonic light scattering, the NPs with a high scattering cross-section can reduce the reflective losses and provide an enhanced effective path length to increase light incoupling efficiency [133][134][135][136]. Plasmonic scattering efficiency can be tailored by the shape, environment, distribution and size of NPs.…”

Section: Subwavelength Nps Located Outside the Photoactive Layer Can mentioning

confidence: 99%

Nanostructures induced light harvesting enhancement in organic photovoltaics

Feng

et al. 2017

Nanophotonics

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Lightweight and low-cost organic photovoltaics (OPVs) hold great promise as renewable energy sources. The most critical challenge in developing high-performance OPVs is the incomplete photon absorption due to the low diffusion length of the carrier in organic semiconductors. To date, various attempts have been carried out to improve light absorption in thin photoactive layer based on optical engineering strategies. Nanostructureinduced light harvesting in OPVs offers an attractive solution to realize high-performance OPVs, via the effects of antireflection, plasmonic scattering, surface plasmon polarization, localized surface plasmon resonance and optical cavity. In this review article, we summarize recent advances in nanostructure-induced light harvesting in OPVs and discuss various light-trapping strategies by incorporating nanostructures in OPVs and the fabrication processing of the micro-patterns with high resolution, large area, high yield and low cost.

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Plasmonic Forward Scattering Effect in Organic Solar Cells: A Powerful Optical Engineering Method

Cited by 224 publications

References 43 publications

Plasmonic electrodes for bulk-heterojunction organic photovoltaics: a review

Plasmonic electrodes for bulk-heterojunction organic photovoltaics: a review

RIR-MAPLE deposition of plasmonic silver nanoparticles

Nanostructures induced light harvesting enhancement in organic photovoltaics

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