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Small molecular electrolytes as the interlayer for enhanced performance of organic solar cellsExperimental
Molecular Crystals and Liquid Crystals ( IF 0.7 ) Pub Date : 2020-07-02 , DOI: 10.1080/15421406.2020.1741819
Mijin Jeong 1 , Ho Cheol Jin 1 , Joo Hyun Kim 1
Affiliation  

Abstract New non-conjugated small molecules (C4-OH and C6-OH) were synthesized and applied to the inverted organic solar cells (OSCs) as the cathode interlayer (CIL). The power conversion efficiencies (PCEs) of 9.35 and 9.21% were obtained in the device based on ZnO/C4-OH and ZnO/C6-OH, which are better than those of pristine ZnO (8.74%). The work function of ZnO/C4-OH and ZnO/C6-OH are also decreased from −4.5 to −4.27 eV and −4.37 eV, respectively. Consequently, OSCs with two small molecules exhibited enhanced photovoltaic properties due to the formation of interface dipole.

中文翻译:

小分子电解质作为增强有机太阳能电池性能的中间层实验

摘要 合成了新的非共轭小分子(C4-OH 和 C6-OH),并将其作为阴极夹层(CIL)应用于倒置有机太阳能电池(OSCs)。在基于 ZnO/C4-OH 和 ZnO/C6-OH 的器件中获得了 9.35% 和 9.21% 的功率转换效率 (PCE),优于原始 ZnO (8.74%)。ZnO/C4-OH 和 ZnO/C6-OH 的功函数也分别从 -4.5 降至 -4.27 eV 和 -4.37 eV。因此,由于界面偶极子的形成,具有两个小分子的 OSC 表现出增强的光伏特性。
更新日期:2020-07-02
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