Efficiency enhancement in planar-structured perovskite solar cells with enhanced efficiency by solvent engineering with NMP
YANG Shaopeng,TAO Junlei,CHEN Kang,SUN Yansheng, HUAI Zhaoxiang
Journal of Hebei University (Natural Science Edition) . 2018, (2): 126 -132 .  DOI: 10.3969/j.issn.1000-1565.2018.02.003