Mechanism of optical absorption enhancement in thin film organic solar cells with plasmonic metal nanoparticles

Qu, Di; Liu, Fang; Huang, Yidong; Xie, Wanlu; Xu, Qi

doi:10.1364/oe.19.024795

Cited by 61 publications

(50 citation statements)

References 20 publications

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“…Different from Ref. [17], the Ag-NPs are replaced by the Au-NPs to be consistent with the experiment.…”

Section: Introductionmentioning

confidence: 70%

“…Recently, the mechanism of light absorption enhancement of OSCs with metal NPs has been studied theoretically, which indicated that the LSP mode dominates the light absorption enhancement of metal NPs [17]. It is anticipated that, by depositing the metal NPs at the interface between the active layer and the anode layer, the wavelength range of LSP enhancement could be extended for obtaining higher light absorption enhancement.…”

Section: Introductionmentioning

confidence: 99%

“…Based on the 3-D model of finite element method, the light absorption of OSCs with Au-NPs could be simulated and the detailed method can be seen in Ref. [17]. Different from Ref.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Efficiency Enhancement in Organic Solar Cells With Extended Resonance Spectrum of Localized Surface Plasmon

Liu

et al. 2013

IEEE Photonics J.

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The efficiency enhancement of thin film hetero-junction organic solar cells (OSCs) with Au-nanopaticles (Au-NPs) at the interface between the anode and active layers is studied theoretically and experimentally. It is demonstrated that the interface-Au-NPs could effectively extend the spectrum of light absorption enhancement based on the localized surface plasmon, which is revealed by the incident photon-to-current efficiency with photocurrent increased at both the long ð 0 ¼ 600 $ 700 nmÞ and short ð 0 ¼ 400 $ 500 nmÞ wavelength regions. The experiment results also indicate that the efficiency improvement of OSCs is related to the size and concentration of the Au-NPs. The optimized power conversion efficiency enhancement is about 25%.

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“…Different from Ref. [17], the Ag-NPs are replaced by the Au-NPs to be consistent with the experiment.…”

Section: Introductionmentioning

confidence: 70%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Efficiency Enhancement in Organic Solar Cells With Extended Resonance Spectrum of Localized Surface Plasmon

Liu

et al. 2013

IEEE Photonics J.

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“…Qu et al investigated the influence of the particle position on the solar cell performance [46]. The most efficient location turned out to be the interface between a poly-3,4-ethylenedioxythiophene:polystyrene sulfonate (PEDOT:PSS) charge injection layer and the photoactive layer consisting of poly(3-hexylthiophene):(6,6)-phenyl-C61-butyric-acid-methyl ester (P3HT:PCBM).…”

Section: Colloidal Structures For Light Harvestingmentioning

confidence: 99%

Colloidal self-assembly concepts for light management in photovoltaics

et al. 2015

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Colloidal particles show interaction with electromagnetic radiation at optical frequencies. At the same time clever colloid design and functionalization concepts allow for versatile particle assembly providing monolayers of macroscopic dimensions. This has led to a significant interest in assembled colloidal structures for light harvesting in photovoltaic devices. In particular thin-film solar cells suffer from weak absorption of incoming photons. Consequently light management using assembled colloidal structures becomes vital for enhancing the efficiency of a given device. This review aims at giving an overview of recent developments in colloid synthesis, functionalization and assembly with a focus on light management structures in photovoltaics. We distinguish between optical effects related to the single particle properties as well as collective optical effects, which originate from the assembled structures.Colloidal templating approaches open yet another dimension for controlling the interaction with light. We focus in this respect on structured electrodes that have received much attention due to their dual functionality as light harvesting systems and conductive electrodes and highlight the impact of interparticle spacing for templating.

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“…This is accomplished by embedding metallic nanoparticles and nanorods into or near the active layer [4][5][6][7]. Similarly, metallic gratings on the top transport conducting layer [8,9] or on the surface of the back silver electrode [10][11][12] have been employed.…”

Section: Introductionmentioning

confidence: 99%

Random Plasmonic Nanowire Gratings for Enhanced Light Absorption in Organic Solar Cells

Yousefi

Alighanbari

2015

Plasmonics

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The effects of random nanowire gratings on the light absorption of organic solar cells are studied. The gratings are deposited on the back silver electrode, causing the excitation of surface plasmonic modes. An advantage of such gratings is that they will not cause any blockage to the incident light; hence, they can be as dense as necessary. Using a finitedifference time-domain numerical method, several Monte Carlo experiments are tested, in two-and three-dimensional geometries. It is shown that cells with random gratings clearly outperform flat cells, i.e., cells without any gratings while their average efficiency is slightly below those of the optimized geometries. However, optimized geometries require nanoscale accurate deposition of grating nanowires and require expensive fabrication procedures. This suggests that random gratings can effectively replace nanoscale accurate geometries, with a slight tolerance of absorption efficiency.

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Mechanism of optical absorption enhancement in thin film organic solar cells with plasmonic metal nanoparticles

Cited by 61 publications

References 20 publications

Efficiency Enhancement in Organic Solar Cells With Extended Resonance Spectrum of Localized Surface Plasmon

Efficiency Enhancement in Organic Solar Cells With Extended Resonance Spectrum of Localized Surface Plasmon

Colloidal self-assembly concepts for light management in photovoltaics

Random Plasmonic Nanowire Gratings for Enhanced Light Absorption in Organic Solar Cells

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