Indoloindole-based small molecule bulk heterojunction small molecule solar cells

被引：5
|
作者：
Sung, Min Jae [1 ,2 ]
An, Na Gyeong [3 ]
Wang, Canjie [4 ,5 ]
Kim, Yun-Hi [4 ,5 ]
Kim, Jin Young [3 ]
Kwon, Soon-Ki [1 ,2 ]
机构：
[1] Gyeongsang Natl Univ, Dept Mat Engn & Convergence Technol, Jinju 660701, South Korea
[2] Gyeongsang Natl Univ, ERI, Jinju 660701, South Korea
[3] UNIST, Dept Energy Engn, Sch Energy & Chem Engn, Ulsan 689798, South Korea
[4] Gyeongsang Natl Univ, Dept Chem, Jinju 660701, South Korea
[5] Gyeongsang Natl Univ, RINS, Jinju 660701, South Korea
来源：
DYES AND PIGMENTS | 2019年 / 161卷
基金：
新加坡国家研究基金会;
关键词：
Indoloindole core; Small molecule-based OPV; Chemical structure design; 3-Ethylrhodanines; Morphology; Charge dynamics and transport; DONOR-ACCEPTOR POLYMERS; TANDEM POLYMER; UNIT; TRANSISTORS; COPOLYMERS; EFFICIENCY; DEVICES; OXIDE;
D O I：
10.1016/j.dyepig.2018.06.038
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
An acceptor-donor-acceptor (A-D-A) conjugated small molecule, DHII-EH-TR, was designed, synthesized, and its solar cell performance studied. The DHII-EH-TR molecule with its extended fused aromatic core had a narrow bandgap and displayed red-shifted absorption. To investigate its photovoltaic properties and device application, small molecule-based organic photovoltaics (SMOPVs) were fabricated having the conventional structure of ITO/PEDOT:PSS/DHII-EH-TR:PC70BM/ZnO NPs/Al (PEDOT:PSS, poly (3,4-ethylenedioxythiophene):polystyrene sulfonic acid; ZnO NPs, ZnO nanoparticles). Solar cells made with a blend of 1,8diiodooctane with ZnO NPs generated the highest performance with a power conversion efficiency (PCE) of 3.60%. Charge dynamics and transport, microscopic thin film analysis, and morphology were studied to explain the performance of SMOPVs made with DHII-EH-TR.
引用
收藏
页码：419 / 426
页数：8
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