https://scholars.lib.ntu.edu.tw/handle/123456789/399400
標題: | Achieving a high fill factor for organic solar cells | 作者: | Jao, M.-H. Liao, H.-C. Su, W.-F. WEI-FANG SU |
公開日期: | 2016 | 卷: | 4 | 期: | 16 | 起(迄)頁: | 5784-5801 | 來源出版物: | Journal of Materials Chemistry A | 摘要: | Organic photovoltaics (OPVs) have developed rapidly in the last decades due to their potential for providing cost-efficient, low-energy consumption, and environmentally friendly renewable energy sources. Some research reports have focused on the device physics of organic photovoltaics that governs open circuit voltage (Voc) and short circuit current (Jsc) to improve their performance. In this review, we focus on the third parameter, fill factor (FF), that is equally important in determining the power conversion efficiency. We discuss the mathematical calculation of the FF and the relationship between the FF and equivalent circuit model elements, namely, shunt resistance, series resistance, and diode ideal factor. In order to provide a strategy toward a high FF for OPVs from the viewpoints of device design and material synthesis, we review important device features and BHJ features that have a large impact on the device FF, including preventing shorting, buffer layer design, domain size or purity, gradated BHJ structures, π-π stacking distance or direction, etc. We hope this article can provide a comprehensive insight into elements controlling the FF of OPVs and give a valuable direction for better device and material design. © The Royal Society of Chemistry 2016. |
URI: | http://www.scopus.com/inward/record.url?eid=2-s2.0-84970963443&partnerID=MN8TOARS http://scholars.lib.ntu.edu.tw/handle/123456789/399400 |
DOI: | 10.1039/c6ta00126b | SDG/關鍵字: | Electric resistance; Energy utilization; Equivalent circuits; Open circuit voltage; Reconfigurable hardware; Renewable energy resources; Solar cells; Equivalent circuit model; Low energy consumption; Mathematical calculations; Organic photovoltaics; Power conversion efficiencies; Renewable energy source; Series resistances; Stacking distances; Organic solar cells |
顯示於: | 材料科學與工程學系 |
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