A new ladder-type benzodi(cyclopentadithiophene)-based donor-acceptor polymer and a modified hole-collecting PEDOT:PSS layer to achieve tandem solar cells with an open-circuit voltage of 1.62 v

Yung Lung Chen, Wei Shun Kao, Che En Tsai, Yu Ying Lai, Yen-Ju Cheng*, Chain-Shu Hsu

*Corresponding author for this work

Research output: Contribution to journalArticle

22 Scopus citations

Abstract

We have developed a new ladder-type conjugated polymer PBDCPDT-FBT and a robust interconnecting layer (ICL) integrating a hole-collecting m-PEDOT:PSS layer with an electron-collecting ZnO layer. The inverted device using PBDCPDT-FBT exhibited a high power conversion efficiency (PCE) of 5.76% with a Voc of 0.81 V, a Jsc of 12.82 mA cm-2, and a FF of 55.5%. The inverted tandem device incorporating the PBDCPDT-FBT and ICL achieves a Voc of 1.62 V leading to a PCE of 7.08%.

Original languageEnglish
Pages (from-to)7702-7704
Number of pages3
JournalChemical Communications
Volume49
Issue number70
DOIs
StatePublished - 11 Sep 2013

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