Journal
THIN SOLID FILMS
Volume 729, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.tsf.2021.138698
Keywords
Nanofibers; Silver nanowires; Fabric-like electrode; Perovskite solar cells
Categories
Funding
- Zhejiang Provincial Natural Science Foundation of China [LQ19E030020]
- Foundation of Zhejiang Educational Committee [Y201840334]
- Applied Basic Research Project of China National Textile and Apparel Council [J201801]
- Program of Key Laboratory of Advanced Textile Materials and Manufacturing Technology, Ministry of Education of Zhejiang Sci-Tech University [2017QN04]
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This study successfully prepared a flexible transparent electrode combining polyurethane/polyacrylonitrile nanofibers film with silver nanowire network, which has good flexibility and light transmittance. The perovskite solar cells were assembled with this electrode, achieving a conversion efficiency of 4.06% and maintaining over 85% of the original efficiency under a bending radius of 3 millimeters.
Flexible transparent electrode is an irreplaceable part of flexible solar cells. The polyurethane/polyacrylonitrile nanofibers film loaded with silver nanowire network was fabricated and served as a transparent fabric-like electrode. This fabric-like transparent electrode shows promising flexibility and well stretchability. It possesses a light transmission of 80% in the visible range, and its bending radius is less than one millimeter with a break strain of 70%. This transparent fabric-like electrode retains its original charge transport property during being appropriately stretched and bent. Hence, the electrode was employed to assemble perovskite solar cells. As a result, a 4.06% conversion efficiency was obtained. More importantly, the devices maintained above 85% its original efficiency under the bending radius of 3 millimeter.
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