Chlorinated Thiazole-Based Low-Cost Polymer Donors for High Efficiency Binary and Ternary Organic Solar Cells

被引：18
|
作者：
Lu, Hao [1 ]
Wang, Hang [2 ]
Ran, Guangliu [3 ,4 ,5 ]
Liu, Wenlong [3 ]
Huang, Hao [3 ]
Jiang, Xiaolin [1 ]
Liu, Yahui [2 ]
Xu, Xinjun [3 ]
Bo, Zhishan [1 ,2 ,3 ]
机构：
[1] Qingdao Univ, Coll Mat Sci & Engn, Qingdao 266071, Peoples R China
[2] Qingdao Univ, Coll Text & Clothing, State Key Lab Biofibers & Ecotext, Qingdao 266071, Peoples R China
[3] Beijing Normal Univ, Coll Chem, Beijing Key Lab Energy Convers & Storage Mat, Beijing 100875, Peoples R China
[4] Beijing Normal Univ, Dept Phys, Beijing 100875, Peoples R China
[5] Beijing Normal Univ, Appl Opt Beijing Area Major Lab, Beijing 100875, Peoples R China
来源：
CCS CHEMISTRY | 2024年 / 6卷 / 07期
基金：
中国国家自然科学基金;
关键词：
organic solar cells; low-cost donor; high efficiency; low energy loss; ternary blend strategy; ENERGY-LOSS; AGGREGATION; DESIGN;
D O I：
10.31635/ccschem.023.202303239
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In this work, novel D-A alternating polymers (PJ-1, PJ-2, and PJ-3) with chlorinated benzodithiophene and chlorinated thiazole units were synthesized via gradual chlorination. These polymers could be obtained readily through a few concise synthesis steps. Among them, PJ-1 displayed desirable properties including energy levels, crystallinity, and charge transport capabilities. The binary and ternary organic solar cells (OSCs) fabricated based on PJ-1 displayed significant power conversion efficiency (PCE) of 15.02% and 19.12%, respectively, placing them among the highest reported for ternary OSCs. Notably, the PJ1-based devices also showcased one of the highest figure-of-merit values, indicating their promising potential for future applications. This study offers valuable insights and supports the development of cost-effective and high-performance polymer donors for the generation of OSCs.
引用
收藏
页码：1757 / 1766
页数：10
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