Fabrication of OPVs by introducing a conductivity-enhanced hybrid buffer layer

作者: Soo Won Heo , In Sung Song , Young Sung Kim , Doo Kyung Moon

DOI: 10.1016/J.SOLMAT.2012.01.027

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摘要: Abstract Organic photovoltaic cells (OPVs) with a conductivity enhanced by doping either dimethylsulfoxide (DMSO) or ethylene glycol (EG) were successfully fabricated to increase the photon harvesting property through localized surface plasmon resonance (LSPR) adding Au nanoparticles PH500, hole collection layer, and effectively separating generated charges. At nanoparticle DMSO concentrations of 20 wt% 1 wt%, respectively, characteristics OPVs optimized short-circuit current density (Jsc), open-circuit voltage (Voc), fill factor (FF) estimated power conversion efficiency (PCE) 8.0 mA/cm2, 0.595 V, 57.8% 2.6%, respectively. Compared device buffer layer conventional PEDOT:PSS, PCE was improved ca. 85%. The series resistance (Rs), shunt (Rsh), mobility 18 Ω cm2, 673 Ω cm2 4.2 cm2/Vs,

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