Ultra-flexible semitransparent organic photovoltaics
Abstract Ultra-flexible organic photovoltaics (OPVs) are promising candidates for next-generation power sources owing to their low weight, transparency, and flexibility. However, obtaining ultra-flexibility under extreme repetitive mechanical stress while maintaining optical transparency remains cha...
| Main Authors: | , , , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Nature Portfolio
2023-06-01
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| Series: | npj Flexible Electronics |
| Online Access: | https://doi.org/10.1038/s41528-023-00260-5 |
| _version_ | 1827933094494076928 |
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| author | Hanbee Lee Soyeong Jeong Jae-Hyun Kim Yong-Ryun Jo Hyeong Ju Eun Byoungwook Park Sung Cheol Yoon Jong H. Kim Seung-Hoon Lee Sungjun Park |
| author_facet | Hanbee Lee Soyeong Jeong Jae-Hyun Kim Yong-Ryun Jo Hyeong Ju Eun Byoungwook Park Sung Cheol Yoon Jong H. Kim Seung-Hoon Lee Sungjun Park |
| author_sort | Hanbee Lee |
| collection | DOAJ |
| description | Abstract Ultra-flexible organic photovoltaics (OPVs) are promising candidates for next-generation power sources owing to their low weight, transparency, and flexibility. However, obtaining ultra-flexibility under extreme repetitive mechanical stress while maintaining optical transparency remains challenging because of the intrinsic brittleness of transparent electrodes. Here, we introduce strain-durable ultra-flexible semitransparent OPVs with a thickness below 2 μm. The conformal surface coverage of nanoscale thin metal electrodes (< 10 nm) is achieved, resulting in extremely low flexural rigidity and high strain durability. In-depth optical and electrical analyses on ultrathin metal electrodes showed that the devices maintain over 73% of their initial efficiency after 1000 cycles of repetitive compression and release at 66% compressive strain, and the average visible light transmittances remain higher than 30%. To our knowledge, this is the first systematical study on mechanical behaviors of strain-durable ultra-flexible ST-OPVs through precise adjustment of each ultrathin electrode thickness toward the emergence of next-generation flexible power sources. |
| first_indexed | 2024-03-13T07:19:46Z |
| format | Article |
| id | doaj.art-1495a6a6562b4fd3a1e80f8ed41d606d |
| institution | Directory Open Access Journal |
| issn | 2397-4621 |
| language | English |
| last_indexed | 2024-03-13T07:19:46Z |
| publishDate | 2023-06-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | npj Flexible Electronics |
| spelling | doaj.art-1495a6a6562b4fd3a1e80f8ed41d606d2023-06-04T11:41:51ZengNature Portfolionpj Flexible Electronics2397-46212023-06-01711910.1038/s41528-023-00260-5Ultra-flexible semitransparent organic photovoltaicsHanbee Lee0Soyeong Jeong1Jae-Hyun Kim2Yong-Ryun Jo3Hyeong Ju Eun4Byoungwook Park5Sung Cheol Yoon6Jong H. Kim7Seung-Hoon Lee8Sungjun Park9Department of Electrical and Computer Engineering, Ajou UniversityDepartment of Chemistry and Centre for Processable Electronics, Imperial College LondonDepartment of Intelligence Semiconductor Engineering, Ajou UniversityAdvanced Photonics Research Institute (APRI), Gwangju Institute of Science and Technology (GIST)Division of Molecular Science and Technology, Ajou UniversityDivision of Advanced Materials, Korea Research Institute of Chemical Technology (KRICT)Division of Advanced Materials, Korea Research Institute of Chemical Technology (KRICT)Division of Molecular Science and Technology, Ajou UniversityDivision of Advanced materials Engineering, Kongju National UniversityDepartment of Electrical and Computer Engineering, Ajou UniversityAbstract Ultra-flexible organic photovoltaics (OPVs) are promising candidates for next-generation power sources owing to their low weight, transparency, and flexibility. However, obtaining ultra-flexibility under extreme repetitive mechanical stress while maintaining optical transparency remains challenging because of the intrinsic brittleness of transparent electrodes. Here, we introduce strain-durable ultra-flexible semitransparent OPVs with a thickness below 2 μm. The conformal surface coverage of nanoscale thin metal electrodes (< 10 nm) is achieved, resulting in extremely low flexural rigidity and high strain durability. In-depth optical and electrical analyses on ultrathin metal electrodes showed that the devices maintain over 73% of their initial efficiency after 1000 cycles of repetitive compression and release at 66% compressive strain, and the average visible light transmittances remain higher than 30%. To our knowledge, this is the first systematical study on mechanical behaviors of strain-durable ultra-flexible ST-OPVs through precise adjustment of each ultrathin electrode thickness toward the emergence of next-generation flexible power sources.https://doi.org/10.1038/s41528-023-00260-5 |
| spellingShingle | Hanbee Lee Soyeong Jeong Jae-Hyun Kim Yong-Ryun Jo Hyeong Ju Eun Byoungwook Park Sung Cheol Yoon Jong H. Kim Seung-Hoon Lee Sungjun Park Ultra-flexible semitransparent organic photovoltaics npj Flexible Electronics |
| title | Ultra-flexible semitransparent organic photovoltaics |
| title_full | Ultra-flexible semitransparent organic photovoltaics |
| title_fullStr | Ultra-flexible semitransparent organic photovoltaics |
| title_full_unstemmed | Ultra-flexible semitransparent organic photovoltaics |
| title_short | Ultra-flexible semitransparent organic photovoltaics |
| title_sort | ultra flexible semitransparent organic photovoltaics |
| url | https://doi.org/10.1038/s41528-023-00260-5 |
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