Vacuum-free fabrication of organic solar cell on assembled glass substrates

Hao Chun Yang, Wusong Zha, Chia Ning Weng, Chao Hsuan Chen, Hsiao-Wen Zan, Kuan-Wei Su, Qun Luo, Chang Qi Ma, Yu Chiang Chao*, Hsin-Fei Meng

*此作品的通信作者

    研究成果: Article同行評審

    摘要

    Vacuum-free fabrication is essential to realize large-scale production of organic solar cells. Blade-coating and printing are important solution-processing techniques to realize this idea. Preparation devices on large substrates is important for mass production; however, it is not easy to handle large substrates during fabrication procedures. In this work, we demonstrate a fabrication method for all-solution vacuum-free organic solar cells on an assembled glass substrates. Small pieces of glasses were assembled into a mosaic of larger total size for device fabrication. A gap-prefilling method was also developed to realize uniform thickness distribution. For the device with blade-coated ZnO electron transport layer, blade-coated active layer, spray-coated hole transport layer and spray-coated top electrode, power conversion efficiency of 4.19% is obtained. This showed that, by combining spray and blade coating, ultimate scale of the vacuum-free fabrication of OPV on glass substrate will not be limited by the substrate size itself, and can be scaled up to multi-meter by assembling the glasses into a mosaic.

    原文English
    文章編號110683
    期刊Optical Materials
    112
    DOIs
    出版狀態Published - 二月 2021

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