Controlling Crystallization Dynamics for Large-Area Coating of Perovskite Thin Films
Fei Guo a
a Institute of New Energy Technology, College of Information Science and Technology, Jinan University, Guangzhou 510632, China
nanoGe Perovskite Conferences
Proceedings of International online conference on Hybrid materials and optoelectronic devices (HYBRIDOE)
Online, Spain, 2020 December 15th - 17th
Organizers: Xueqing Xu, Baomin Xu, Hin-Lap (Angus) Yip and Xinhua Zhong
Invited Speaker, Fei Guo, presentation 041
DOI: https://doi.org/10.29363/nanoge.hybridoe.2020.041
Publication date: 4th December 2020

Perovskite solar cells (PSCs) that can be deposited from solution are currently in the focus of photovoltaic research in both academic and industrial communities. The efficiency of PSCs has surged to a certified 25.5% within a decade. The impressive progress is mainly related to the versatile crystallization strategies for depositing high-quality perovskite films based on spin-coating, which is, unfortunately, unsuitable for up-scaling on large areas. On the road towards commercial applications, a reliable crystallization protocol allowing for scalable manufacture of high-quality perovskite films via printing methods is still missing.

In this talk, we start with the introduction of a robust crystallization protocol recently developed in our lab, which enable to deposit high-quality thin films of perovskites by scalable printing methods. We then continue to illustrate the robustness and general application of our technology by coating a diversity of perovskite compositions with aspiration of enhancing both the efficiency and stability of the devices, for instance, 2D/3D MAPbI3, flexible MAPbI3 and low-bandgap Sn/Pb perovskites.

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