聚吡咯
佩多:嘘
聚苯乙烯磺酸盐
材料科学
聚苯乙烯
兴奋剂
磺酸盐
能量转换效率
有机太阳能电池
紫外线
透射率
导电聚合物
化学工程
光电子学
图层(电子)
纳米技术
聚合物
复合材料
聚合
钠
工程类
冶金
作者
Swarup Biswas,Yongju Lee,Young‐Jun You,Jaejin Chung,Jae Won Shim,Hyeok Kim
摘要
The hole transport layer (HTL) is a vital part in an organic photovoltaic (OPV) device for improving hole extraction ability. The HTL of OPV devices is typically prepared using poly (3,4-ethylenedioxythiophene):polystyrene sulfonate (PEDOT:PSS). However, it presents several disadvantages, including causing deterioration of the active layers, exhibiting sensitivity to ultraviolet radiation, and possessing a short lifespan. Hence, focus has increased on alternative p-type semiconductors with improved environmental stability, easier processing, and higher conductivity. In this study, we prepare water-stable, low-cost, and low-acidity PSS-doped polypyrrole (PPY) with varying PSS concentrations for use as the HTL in OPV devices. The films formed using PPY:PSS exhibit an extremely high transmittance within the visible range. The PPY:PSS HTL-based OPV may reach to highest power conversion efficiency of 5.0% (ie, 11% higher than a PEDOT:PSS-based one) when using an optimal PSS concentration in PPY.
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