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

Fang Liu,Di Qu,Qi Xu,Xujie Pan,Kaiyu Cui,Xue Feng,Wei Zhang,Yidong Huang

Photonics Journal, IEEE（2013）

引用 8|浏览7

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摘要

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 (λ0 = 600 ~ 700 nm) and short (λ0 = 400 ~ 500 nm) 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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关键词

wavelength 600 nm to 700 nm,incident photon-to-current efficiency,(250.5403) plasmonics,gold,nanoparticles,long wavelength regions,localized surface plasmon,semiconductor heterojunctions,surface plasmon resonance,photocurrent,thin film hetero-junction organic solar cells,(040.5350) photovoltaic,semiconductor-metal boundaries,wavelength 400 nm to 500 nm,au,localised states,light absorption enhancement,particle size,nanopaticles,power conversion efficiency,solar cells,anode layers,photoconductivity,short wavelength regions,semiconductor thin films,extended resonance spectrum,organic semiconductors

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