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Enhancing the Internal Quantum Efficiency and Stability of Organic Solar Cells via Metallic Nanofunnels

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Title
Enhancing the Internal Quantum Efficiency and Stability of Organic Solar Cells via Metallic Nanofunnels
Author(s)
Baek, SW; Jong Hun Kim; Kang, J; Hyunsoo Lee; Jeong Young Park; Lee, JY
Publication Date
2015-12
Journal
ADVANCED ENERGY MATERIALS, v.5, no.24, pp.1501393 -
Publisher
WILEY-V C H VERLAG GMBH
Abstract
Metal nanoparticles are demonstrated to boost the internal quantum efficiency (IQE) of organic solar cells (OSCs), even without a notable plasmonic optical gain. A hybrid layer platform in combination with silver nanoparticles (AgNPs) and a polyethylenimine-ethoxylated (PEIE) layer maximize the IQE of the OSCs to nearly 100%, yielding a power conversion efficiency (PCE) of 10.1% in the OSCs. 2D surface characterization confirmed that the AgNPs provide a short path and funneled charge carriers to the cathode, thus effectively increasing the carrier mobility. Moreover, the hybrid layer doubles the device's half-efficiency lifetime due to the longer retention of the improved mobility. © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
URI
https://pr.ibs.re.kr/handle/8788114/2692
ISSN
1614-6832
Appears in Collections:
Center for Nanomaterials and Chemical Reactions(나노물질 및 화학반응 연구단) > Journal Papers (저널논문)
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