High performance two-dimensional perovskite solar cells based on solvent induced morphology control of perovskite layers
- Authors
- Liu, Guanchen; Liu, Zhihai; Zeng, Fanming; Wang, Xinyu; Li, Shuangcui; Xie, Xiaoyin
- Issue Date
- Mar-2020
- Publisher
- ELSEVIER
- Keywords
- Solvent; Morphology; Perovskite solar cells; Performance
- Citation
- CHEMICAL PHYSICS LETTERS, v.743
- Journal Title
- CHEMICAL PHYSICS LETTERS
- Volume
- 743
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/78499
- DOI
- 10.1016/j.cplett.2020.137186
- ISSN
- 0009-2614
- Abstract
- In this work, two-dimensional inverted perovskite solar cells (2D PSCs) were fabricated with dimethylformamide (DMF) and gamma-butyrolactone (GBL) as precursor solvent, respectively. The GBL processed 2D perovskite film showed better quality with fewer pinholes and higher crystallinity than the DMF processed case. The GBL processed 2D PSCs showed an average power conversion efficiency (PCE) of 11.17%, which obviously exceeded that (9.81%) of DMF processed devices, with simultaneous improvements in open-circuit voltage, short-circuit current density. The best-performed sample exhibited a PCE of 11.65% with stabilized current output and negligible hysteresis.
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