Thermally Induced Fullerene Domain Coarsening Process in Organic Solar Cells

被引:17
作者
Agresti, Antonio [1 ,2 ]
Pescetelli, Sara [1 ]
Busby, Yan [3 ]
Aernouts, Tom [2 ]
机构
[1] Univ Roma Tor Vergata, Elect Engn Dept, I-00133 Rome, Italy
[2] IMEC, PV Dept, Thin Film Photovolta Grp, B-3001 Leuven, Belgium
[3] Univ Namur, Namur Inst Structured Matter, Lab Interdisciplinaire Spectroscopie Elect, B-5000 Namur, Belgium
关键词
Burn-in effect; degradation mechanisms; organic solar cells (OSCs) stability; spectroelectrochemical characterization techniques; OPEN-CIRCUIT VOLTAGE; C-60; FILMS; RAMAN; EFFICIENCY; PEROVSKITE; STABILITY; RECOMBINATION; INTERFACES; DIMER; TRANSFORMATION;
D O I
10.1109/TED.2018.2880760
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The recent advancements in power conversion efficiency for organic solar cells is still complained by their reliability and stability remaining the main bottlenecks for organic photovoltaics large scale production and commercialization. In this paper, we aim to provide further insights understanding in degradation processes affecting stability in small molecule flat heterojunction (Glass/ITO/MoO3/ZnPc/C-60/BCP/Ag) solar cells through a systematic aging study coupled with optoelectrical characterizations. In particular, the burn-in phenomenon affecting short-circuit current in thermal-stressed samples has been clearly correlated with the C-60 domain coarsening process and eventually to the decreased exciton lifetime.
引用
收藏
页码:678 / 688
页数:11
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