Small·· 8 小时前AI 评分42
不同硬段含量 SEBS 弹性体如何影响 PM6:L8‐BO 有机太阳能电池的热降解路径
Revealing the Thermal‐Degradation Pathways of Organic Solar Cells Incorporating Elastomers With Varying Hard Segments
AI 导读
在 PM6:L8‐BO 活性层中引入 SEBS 弹性体后，热老化过程中出现两条截然不同的形貌演化路径。硬段比例低的 SEBS 在热应力下明显丧失模量，促使非富勒烯受体聚集与晶粒长大，动态能量无序增加、载流子迁移率下降，器件性能快速衰减；硬段比例高的 SEBS 则更耐热致形貌演化，在高温下热稳定性明显更好。该结果揭示了弹性体选择中可拉伸性与热稳定性之间的关键权衡。
图表、补充材料与最终表述以原文为准。阅读原文
来源：Small · doi.org
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