On degradation process of CH3NH3PbI3 film in different humidity conditions
GAO Xiaohe, MA Xiaoyan, GU Yu, ZHAO Mingming, ZHANG Wei, DANG Wei, YUAN Xiaoxian
Journal of Hebei University (Natural Science Edition) . 2019, (4): 353 -358 .  DOI: 10.3969/j.issn.1000-1565.2019.04.004