Benzotriazole-based a conjugated polymer with siloxane-functionalized side chains for non-fullerene organic solar cells

被引：0
|
作者：
Park, Hyungjin [1 ,2 ]
Gokulnath, Thavamani [1 ,2 ]
Kim, Hyerin [1 ,2 ]
Kim, Jeonghyeon [1 ,2 ]
Gal, Yeong-Soon [3 ]
Jin, Sung-Ho [1 ,2 ]
机构：
[1] Pusan Natl Univ, Inst Plast Informat & Energy Mat, Grad Dept Chem Mat, Dept Chem Educ, Busandaehakro 63-2, Busan 46241, South Korea
[2] Pusan Natl Univ, Sustainable Utilizat Photovolta Energy Res Ctr, Busandaehakro 63-2, Busan 46241, South Korea
[3] Kyungil Univ, Dept Fire Safety, Gyongsan, South Korea
来源：
MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 2022年 / 743卷 / 01期
基金：
新加坡国家研究基金会;
关键词：
Non-fullerene organic solar cells; pi-conjugated polymer; siloxane-functionalized side chains; OPTICAL BAND-GAP; PERFORMANCE; SUBSTITUENTS; EFFICIENCY; DESIGN;
D O I：
10.1080/15421406.2022.2047499
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A new benzotriazole based pi-conjugated polymer (Nap-UD-SiBTA) with siloxane-functionalized side chains is designed and synthesized for fabrication of non-fullerene organic solar cells (NFOSCs). The application of Nap-UD-SiBTA enhanced charge carrier mobility, good solubility and better surface morphology. The Nap-UD-SiBTA was synthesized by Stille polymerization and showed good compatibility with ITIC as non-fullerene acceptor. Therefore, Nap-UD-SiBTA blended with ITIC exhibited an efficiency of 4.76%, open-circuit voltage (V-oc) of 0.77 V, a short-circuit current density (J(sc)) of 11.60 mA/cm(2), and fill factor (FF) of 53.18%, respectively. The study results provide a pacesetting strategy to design and fabricate the highly efficient NFOSCs.
引用
收藏
页码：43 / 57
页数：15
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