无量纲量
成像体模
有机太阳能电池
质量(理念)
物理
材料科学
聚合物
光学
热力学
量子力学
核磁共振
作者
Pascal Kaienburg,Uwe Rau,Thomas Kirchartz
出处
期刊:Physical review applied
[American Physical Society]
日期:2016-08-04
卷期号:6 (2)
被引量:50
标识
DOI:10.1103/physrevapplied.6.024001
摘要
Arguably the most crucial challenge in developing organic solar cells is to optimize the collection of photogenerated charges, and therefore the cell's $f\phantom{\rule{0}{0ex}}i\phantom{\rule{0}{0ex}}l\phantom{\rule{0}{0ex}}l$ $f\phantom{\rule{0}{0ex}}a\phantom{\rule{0}{0ex}}c\phantom{\rule{0}{0ex}}t\phantom{\rule{0}{0ex}}o\phantom{\rule{0}{0ex}}r$, a dimensionless parameter directly proportional to its power-conversion efficiency. The authors provide a complete physical picture of the fill factor, with a detailed discussion of the model's assumptions, easy ways to spot deviations from the model, and a simple method of analysis to quantify a material's electronic quality, without needing further equipment. This analysis can also be applied retrospectively to the deep literature on solar cells made of many semiconducting polymers.
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