Transparent high-performance SiOxNy/SiOx barrier films for organic photovoltaic cells with high durability
| Autor: | Ju Won Lim, Tae Whan Kim, Keun Yong Lim, Do Kyung Hwang, Dong Ha Kim, Yun Jae Lee, Byung Il Choi, Sung-Ryong Kim, Won Kook Choi, Chang Kyu Jin |
|---|---|
| Rok vydání: | 2017 |
| Předmět: |
Organic electronics
Materials science Moisture Organic solar cell Renewable Energy Sustainability and the Environment Photovoltaic system chemistry.chemical_element Nanotechnology 02 engineering and technology 010402 general chemistry 021001 nanoscience & nanotechnology 01 natural sciences Durability Oxygen 0104 chemical sciences Chemical engineering chemistry Transmittance General Materials Science Electrical and Electronic Engineering 0210 nano-technology Science technology and society |
| Zdroj: | Nano Energy. 33:12-20 |
| ISSN: | 2211-2855 |
| DOI: | 10.1016/j.nanoen.2017.01.022 |
| Popis: | The science and technology of organic electronics have made consistent progress. However, the long-term stability of organic devices is a critical issue that remains to be resolved. Encapsulation is a straightforward and practical means to protect organic materials from oxygen or moisture and thus improve air stability. Here, we report a high-performance flexible inorganic SiNx/SiOxNy hybrid barrier film for application in organic solar cells (OSCs). This hybrid barrier film shows average transmittance of 85.5% and a water-vapor transmission rate of 7.1×10–5 g m−2 day−1. In OSCs comprising poly[4,8-bis[(2-ethylhexyl)oxy]benzo[1,2-b:4,5-bA]dithiophene-2,6-diyl][3-fluoro-2-[(2-ethylhexyl)carbonyl] thieno[3,4-b]-thiophenediyl] (PTB7) and [6,6]-phenyl-C70-butyric acid methyl ester (PC70BM), which were encapsulated by the SiNx/SiOxNy hybrid barrier film, the power-conversion efficiency remained above 86% of the initial value even after 2000 h of storage in air, which is comparable to that obtained for a device encapsulated by a glass lid. |
| Databáze: | OpenAIRE |
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