Improved open-circuit voltage and efficiency in organic solar cells using a phosphine oxide based interlayer material
作者： Soon Ok Jeon , Kyoung Soo Yook , Byung Doo Chin , Yong Sup Park , Jun Yeob Lee
DOI: 10.1016/J.SOLMAT.2010.04.008
关键词:
摘要: A spirobenzofluorene based phosphine oxide material (SPPO21) was used as an interlayer between the active layer and electron collecting electrode to improve device performances of organic solar cells (OSCs) with poly(3-hexylthiophene): [6,6]-phenyl C61-butyric acid methyl ester layer. The open-circuit voltage OSCs improved by more than 50% power conversion efficiency 4.4% at optimal thickness SPPO21 (reference 2.1%). In terms efficiency, even effective LiF.
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