喷墨打印钙钛矿光电器件的研究进展

Research progress of inkjet printed perovskite optoelectronic devices

喷墨打印作为一种非接触式、无需掩膜的数字印刷技术,被广泛应用于印刷电路板、光伏组件和显示器件等领域。近年来,金属卤化物钙钛矿作为一种新型的直接带隙离子型半导体材料,受到科研工作者们的广泛关注与研究。利用喷墨打印技术可以对钙钛矿墨滴的分配和沉积过程进行精确调控,为钙钛矿光电器件迈向产业化提供了一种可行的工艺路线。本文从喷墨打印的工作原理出发,分别从墨水制备和打印工艺两个角度概述了喷墨打印钙钛矿光电器件的发展进程,并分析了目前喷墨打印钙钛矿所面临的挑战。同时对基于喷墨打印技术制备钙钛矿光电器件的功能层和电极进行了总结,在此基础上对喷墨打印钙钛矿光电器件未来的发展前景和产业化探索进行了展望。

As a non-contact,mask-free digital printing technology,inkjet printing is widely used in the fields of printed circuit boards,photovoltaic modules and display devices.In recent years,Metal Halide Perovskites,as a new type of direct band gap ionic semiconductor materials,have received extensive attention and research from researchers.The use of inkjet printing technology can accurately control the distribution and deposition process of perovskite ink droplets,providing a feasible process route for the industrialization of perovskite optoelectronic devices.Starting from the working principle of inkjet printing,the development process of inkjet printing perovskite optoelectronic devices from the perspectives of ink engineering and process engineering is summarized,and the current challenges of inkjet printing perovskite are analyzed.At the same time,the functional layers and electrodes of perovskite optoelectronic devices prepared based on inkjet printing technology are summarized,and on this basis,the future development prospects and industrialization exploration of inkjet printing perovskite optoelectronic devices are prospected.