NDLI: Au/Ag core–shell nanocuboids for high-efficiency organic solar cells with broadband plasmonic enhancement

Content Provider	Royal Society of Chemistry (RSC)
Author	Liu, Shenghua Yan, Feng Wang, Jianfang You, Peng Jiang, Ruibin Zhu, Xingzhong
Copyright Year	2016
Abstract	Although various metal nanoparticles have been used in organic photovoltaics (OPVs) for enhancing power conversion efficiencies (PCEs) based on surface plasmonic effects, no metal nanoparticles have been found to induce matchable broadband plasmonic enhancement in OPVs until now. Here, we report the introduction of Au@Ag core–shell nanocuboids (NCs) with broadband plasmonic enhancement in OPVs for the first time. The Au@Ag NCs show multimode localized surface plasmon resonance that can be tuned to match the light absorption spectra of OPVs by changing the Ag shell thickness. We find that both light scattering and near field enhancement induced by the NCs can substantially improve the device performance when the NCs are incorporated in the active layers. Under optimum conditions, the PCEs of the OPVs can be relatively improved by up to 22.8% by the NCs. The maximum average PCE of the OPVs we obtained is 10.42%, which is much higher than those of the previously reported plasmonic OPVs. This work demonstrates a convenient approach for improving the photovoltaic performance with broadband enhancement, which is applicable to not only OPVs but also many other types of solar cells.
Starting Page	898
Ending Page	905
Page Count	8
File Format	HTM / HTML PDF
ISSN	17545692
Volume Number	9
Issue Number	3
Journal	Energy & Environmental Science
DOI	10.1039/c5ee03779d
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Subscribed
Subject Keyword	Organic solar cell Surface plasmon Surface plasmon resonance Scattering Solar cell
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Pollution Renewable Energy, Sustainability and the Environment Nuclear Energy and Engineering

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