富勒烯
有机太阳能电池
三元运算
材料科学
散射
接受者
异质结
光伏系统
入射(几何)
形态学(生物学)
纳米技术
光电子学
光学
化学
有机化学
计算机科学
凝聚态物理
物理
复合材料
生物
程序设计语言
遗传学
聚合物
生态学
标识
DOI:10.1016/j.mtnano.2019.100030
摘要
Bulk heterojunction morphology in terms of molecular packing and phase separation is one of the most critical factors determining the device performance of organic photovoltaic devices. The emergence of organic non-fullerene acceptors not only boosts the power conversion efficiency but also brings new challenges and opportunities to the morphology control of the active layer. In this perspective, we review previous grazing incidence X-ray scattering results of non-fullerene acceptor–based thin films and summarize the morphology dependence on three important aspects: chemical structure, ternary mixture, and treatments. Special focus has been placed on fused-ring electron acceptors, which have drawn tremendous attention recently because of their impressive device performance.
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