Interfacial degradation effects of aqueous solution-processed molybdenum trioxides on the stability of organic solar cells evaluated by a differential method
Interfacial degradation effects of aqueous solution-processed molybdenum trioxides on the stability of organic solar cells evaluated by a differential method
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微分法评估水溶液处理的三氧化钼界面降解对有机太阳能电池稳定性的影响
DOI：
10.1063/1.4895805
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发表时间：
2014-09-15
影响因子：
4
通讯作者：
Liao, Liang-Sheng
中科院分区：
文献类型：
--
作者：
Lou, Yan-Hui;Wang, Zhao-Kui;Liao, Liang-Sheng
作者研究了两孔界面材料聚（3，4-乙撑二氧噻吩）：聚（苯乙烯磺酸盐）（PEDOT：PSS）和水溶液处理的MoO 3（sMoO 3）对电池稳定性的影响。与PEDOT：PSS相比，sMoO 3基器件的稳定性明显提高。通过电流-电压特性分析，研究了空穴界面层对电池稳定性的影响。用微分方法验证了退化器件中空穴界面层和有源层之间界面处附加陷阱态的形成。通过比较它们不同的陷阱态分布，改进的电池稳定性归因于与PEDOT：PSS相比相对稳定的sMoO 3界面层。
The authors investigate the influence of two hole interfacial materials poly (3,4-ethylenedioxythiophene):poly (styrenesulfonate) (PEDOT:PSS) and aqueous solution-processed MoO3 (sMoO3) on cell stability. sMoO3-based device demonstrated obviously improved stability compared to PEDOT:PSS-based one. Current-voltage characteristics analysis is carried out to investigate the effect of the hole interfacial layers on the cell stability. The formation of additional trap states at the interfaces between the hole interfacial layer and the active layer in degraded devices is verified by a differential method. Improved cell stability is attributed to a relatively stable sMoO3 interfacial layer compared to PEDOT:PSS by comparing their different trap states distributions.