Title: 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
Authors: Chen, Yung-Lung
Kao, Wei-Shun
Tsai, Che-En
Lai, Yu-Ying
Cheng, Yen-Ju
Hsu, Chain-Shu
Department of Applied Chemistry
Issue Date: 2013
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 V-oc of 0.81 V, a J(sc) of 12.82 mA cm(-2), and a FF of 55.5%. The inverted tandem device incorporating the PBDCPDT-FBT and ICL achieves a V-oc of 1.62 V leading to a PCE of 7.08%.
URI: http://hdl.handle.net/11536/22626
ISSN: 1359-7345
DOI: 10.1039/c3cc43756f
Volume: 49
Issue: 70
Begin Page: 7702
End Page: 7704
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