A low-temperature processed environment-friendly full-organic carrier collection layer for polymer solar cells

作者：Shi, Ai-Li; Li, Yan-Qing^*; Jiang, Xiao-Chen; Ma, Zhong-Sheng; Wang, Qian-Kun; Guo, Zhen-Yu; Zhang, Dan-Dan; Lee, Shuit-Tong; Tang, Jian-Xin

来源：Applied Physics Letters, 2014, 105(5): 053305.

DOI：10.1063/1.4892831

• BUFFER LAYER
• NANOPARTICLES
• PERFORMANCE
• DEVICES

We constructed a concept of the full-organic carrier collection layer (CCL) used for polymer solar cells. The CCL is composed of dipyrazino[2,3-f:2',3'-h] quinoxaline-2,3,6,7,10,11-hexacarbonitrile as hole collection layer (HCL) and chlorine-free solvents (formic acid (FA)) processed 4,7-Diphenyl-1,10-phenanthroline (Bphen) as electron collection layer, exhibiting good solubility, and environmental protection. The FA based device shows ideal power conversion efficiency (3.75%), which is higher than that of control device (3.6%). Besides, the HCL shows a different mechanism in hole extraction by functioning as a charge recombination zone for electrons injected from anode and holes extracted from the donor materials.

• 出版日期2014-8-4
• 单位苏州大学