在空气环境下使用反溶剂辅助碰撞技术（ACT）的简便方法合成了一种环保的无铅MASnI3钙钛矿。研究了MASnI3薄膜的介电常数和压电系数。通过喷涂制备MASnI3和PVDF- MASnI3的柔性压电纳米发电机。制造的PVDF- MASnI3 压电纳米发电机显示出高于MASnI3器件的高压电性能。光伏器件学术QQ群：708759169Ippili, S. et al. An Eco-friendly Flexible Piezoelectric Energy Harvester That Delivers High Output Performance is Based on Lead-Free MASnI3 Films and MASnI3-PVDF Composite Films. Nano Energy Doi:https://doi.org/10.1016/j.nanoen.2019.01.005.http://www.sciencedirect.com/science/article/pii/S2211285519300023