Towards 15% energy conversion efficiency: a systematic study of the solution-processed organic tandem solar cells based on commercially available materials

作者: Ning Li , Derya Baran , Karen Forberich , Florian Machui , Tayebeh Ameri

DOI: 10.1039/C3EE42307G

关键词:

摘要: Owing to the lack of scalable high performance donor materials, studies on mass-produced organic photovoltaic (OPV) devices lag far behind that lab-scale devices. In this work, we choose 6 already commercially available conjugated polymers and systematically investigate their potential in tandem solar cells. All are processed under environmental conditions using doctor-blading, which is highly compatible with mass-production coating technologies. Power conversion efficiencies (PCE) 6–7% obtained for OPV based different active layers. Optical simulations experimental data performed all realized An efficiency ∼10% estimated these compounds combination phenyl-C61-butyric acid methyl ester (PCBM) as an acceptor. addition, assume a hypothetical, optimized acceptor understand limitation donors. It suggested PCE >14% realistic cells materials. Along demonstration novel intermediate layers believe systematic study provides valuable insight those attempting realize architectures.

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