title: Toward Highly Efficient Large-Area ITO-Free Organic Solar Cells with a Conductance-Gradient Transparent Electrode.
abstract: Highly efficient large-area organic solar cells (OSCs) with power conversion efficiency up to 7.09%, and device area of 4 cm(2) are demonstrated on flexible substrates. A conductance- or thickness-gradient ultra-thin Ag-based transparent electrode is developed to better balance the light trapping and energy loss, owing to the inhomogeneous energy-loss density on the large OSC sheet.
authors.affiliation: State Key Laboratory of Silicon Materials, MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Zhejiang University, Hangzhou, 310027, P. R. China.
authors.forename: Lijian
authors.initials: L
authors.lastname: Zuo
authors.affiliation: State Key Laboratory of Silicon Materials, MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Zhejiang University, Hangzhou, 310027, P. R. China.
authors.forename: Shuhua
authors.initials: S
authors.lastname: Zhang
authors.affiliation: State Key Laboratory of Silicon Materials, MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Zhejiang University, Hangzhou, 310027, P. R. China.
authors.forename: Hanying
authors.initials: H
authors.lastname: Li
authors.affiliation: State Key Laboratory of Silicon Materials, MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Zhejiang University, Hangzhou, 310027, P. R. China.
authors.forename: Hongzheng
authors.initials: H
authors.lastname: Chen
keywords: energy-loss density; energy-loss mechanism; gradient transparent electrode; large-area organic solar cells; organic photovoltaics