Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 6, Issue 27, Pages 12969-12973Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8ta01352g
Keywords
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Funding
- National Natural Science Foundation of China [51573153, 61564003, 61774050, 21474081]
- Scientific Research Fund of Hunan Provincial Education Department [15A180]
- Innovation team of the Ministry of Education [IRT-17R90]
- Hunan Collaborative Innovation Center of Chemical Engineering & Technology with Environmental Benignity and Effective Resource Utilization
- Guangxi Bagui Scholar Program
- Guangxi Natural Science Foundation [2015GXNSFGA139002]
- Guangxi Collaborative Innovation Center of Structure and Property for New Energy and Materials
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A low-cost non-conjugated polymer, PEIE-DIO with a 3D conductive network, was developed by a simple quaterisation reaction between polyethyleneimine ethoxylate (PEIE) and 1,8-diiodooctane (DIO). The inverted PTB7-Th:PC71BM PSCs with PEIE-DIO as an ETL achieve a PCE of 10.06%, and can keep a high PCE of 8.88% with 50 nm thick PEIE-DIO films, which are compatible with roll-to-roll techniques, making the fabrication of large-area devices at low cost possible.
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