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Hybrid Fullerene-Based Electron Transport Layers Improving the Thermal Stability of Perovskite Solar Cells by Shu-Hui Li; Zhou Xing; Bao-Shan Wu; Zuo-Chang Chen; Yang-Rong Yao; Han-Rui Tian; Meng-Fan Li; Da-Qin Yun; Lin-Long Deng; Su-Yuan Xie; Rong-Bin Huang; Lan-Sun Zheng is a Engineering article available to read on EtoBox.
What is Hybrid Fullerene-Based Electron Transport Layers Improving the Thermal Stability of Perovskite Solar Cells about?
The structure-dependent thermal stability of fullerene electron transport layers (ETLs) and its impact on device stability have been underrated for years. Based on cocrystallographic understanding, herein, we develop a thermally stable ETL comprising a hybrid layer of [6,6]-phenyl-C-butyric acid methyl ester (PCBM) and [6,6]-phenyl-C-propylbenzene (PCPB). By tuning the weight ratios of PCBM and PCPB to influence the noncovalent intermolecular interactions and packing of fullerene derivatives, we obtained a champion device based on the 20PCPB (20 wt % addition of PCPB into the mixture of PCBM/PCPB) ETL and excellent thermal stability of 500 h under 85 °C thermal aging in a N atmosphere in the dark. The present work exemplifies that cocrystallography can be a precise tool to probe the interaction and aggregation of fullerene derivatives in ETLs, and mixed fullerene derivatives can be sought as promising ETLs to enhance the long-term stability of perovskite solar cells under high-temperature working environments.
Who reads Hybrid Fullerene-Based Electron Transport Layers Improving the Thermal Stability of Perovskite Solar Cells?
It is typically read by researchers, students, and practitioners in Engineering.
- Author
- Shu-Hui Li; Zhou Xing; Bao-Shan Wu; Zuo-Chang Chen; Yang-Rong Yao; Han-Rui Tian; Meng-Fan Li; Da-Qin Yun; Lin-Long Deng; Su-Yuan Xie; Rong-Bin Huang; Lan-Sun Zheng
- Publisher
- American Chemical Society; American Chemical Society (ACS) (ISSN 1944-8244)
- Published
- 2020
- Language
- EN
- Field
- Engineering (Physical Sciences)