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题名: High-Efficiency Nonfullerene Polymer Solar Cell Enabling by Integration of Film-Morphology Optimization, Donor Selection, and Interfacial Engineering
作者: Zhang, Xin1; Li, Weiping1; Yao, Jiannian1; Zhan, Chuanlang1
关键词: perylene diimides ; film-morphology optimization ; interfacial engineering ; solution-processed ; nonfullerene organic solar cell
刊名: ACS APPLIED MATERIALS & INTERFACES
发表日期: 2016-06-22
卷: 8, 期:24, 页:15415-15421
收录类别: SCI
英文摘要: Carrier mobility is a vital factor determining the electrical performance of organic solar cells. In this paper we report that a high-efficiency nonfullerene organic solar cell (NF-OSC) with a power conversion efficiency of 6.94 +/- 0.27% was obtained by optimizing the hole and electron transportations via following judicious selection of polymer donor and engineering of film-morphology and cathode interlayers: (1) a combination of solvent annealing and solvent vapor annealing optimizes the film morphology and hence both hole and electron mobilities, leading to a trade-off of fill factor and short-circuit current density (J(sc)); (2) the judicious selection of polymer donor affords a higher hole and electron mobility, giving a higher J(sc); and (3) engineering the cathode interlayer affords a higher electron mobility, which leads to a significant increase in electrical current generation and ultimately the power conversion efficiency (PCE).
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.iccas.ac.cn/handle/121111/35532
Appears in Collections:光化学实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Beijing Natl Lab Mol Sci, Inst Chem, CAS Key Lab Photochem, Beijing 100190, Peoples R China
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