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中国物理学会期刊

喷墨打印钙钛矿太阳能电池研究进展与展望

CSTR: 32037.14.aps.68.20190302

Inkjet printed perovskite solar cells: progress and prospects

CSTR: 32037.14.aps.68.20190302
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  • 作为近年来光伏领域最具竞争力的材料之一, 有机-无机杂化钙钛矿受到了广泛的关注. 然而, 由于薄膜制备手段的限制, 工业化大面积生产钙钛矿太阳能电池仍处于起步阶段. 喷墨打印技术是由家庭和办公室印刷发展而来的一种重要的工业制造技术, 广泛应用于各种印刷电子行业. 与其他沉积方法相比, 它具有成本低、材料利用率高和图案化精度高等优势. 作为一种直接书写技术, 喷墨打印已经显示出了巨大的工业化潜力, 并有望在钙钛矿太阳能电池产业化中获得应用. 本文回顾了喷墨打印钙钛矿太阳能电池的发展进程, 对喷墨打印技术应用到钙钛矿太阳能电池的各个功能层 (电极、空穴传输层、电子传输层、钙钛矿活性层) 的情况进行了总结, 并分析了喷墨打印钙钛矿太阳能电池的现状. 最后, 讨论了现阶段喷墨打印钙钛矿太阳能电池所面临的挑战, 并对未来喷墨打印技术在钙钛矿材料的商业化应用方面进行了展望.

     

    In the field of photovoltaic materials, perovskite has attracted extensive attention during the past years, owing to its excellent photovoltaic properties, including high charge carrier mobility, low exciton binding energy, long charge carrier diffusion length, broad light absorption spectrum, large absorption coefficient, and low-cost solution processability. However, due to the limitations of film preparation methods (typical spin coating), industrial large-scale production of perovskite solar cells is still in infancy. The inkjet printing technology is a significant manufacturing technology developed from home and office printing and widely used in various printing electronics industries. Compared with other deposition methods, it possesses many advantages, including low cost, high material utilization, high patterning precision, etc. As a direct writing technology, the inkjet printing has shown great industrial potential and is expected to be employed in the industrialization of perovskite solar cells. In this paper, we review the research progress of perovskite solar cells fabricated via the inkjet printing and the application of inkjet printing technology to various functional layers (electrode, hole transport layer, electron transport layer, perovskite active layer). Finally, the challenges of inkjet printed perovskite solar cells at this stage are discussed, and the commercialization direction of inkjet printed perovskite solar cells is also pointed out.

     

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