研究目的
Investigating the combined influence of energetic disorder and delocalization on electron-hole charge-transfer state separation efficiency in donor-acceptor organic photovoltaic systems.
研究成果
The study concludes that disorder is generally detrimental for the efficiency of organic solar cells by reducing both the fill factor and the short-circuit current at a constant open-circuit voltage. Disorder assists charge separation only below a critical field, which decreases with increasing the mobility-lifetime product and with increasing charge carrier delocalization.
研究不足
The study focuses on the kinetic aspects of charge separation and does not fully account for thermodynamic considerations. The simulations are limited to certain configurations and may not capture all real-world complexities of organic photovoltaic systems.
