Silicon phthalocyanine passivation for fullerene-free perovskite solar cells with efficient electron extraction

被引：18
|
作者：
Xie, Chengyi [1 ]
Zhou, Conghua [1 ]
Yang, Bin [2 ,3 ]
Shen, Liang [4 ]
Ke, Lili [1 ]
Ding, Liming [5 ]
Yuan, Yongbo [1 ]
机构：
[1] Cent S Univ, Sch Phys & Elect, Hunan Key Lab Super Microstruct & Ultra Fast Proc, Changsha 410083, Hunan, Peoples R China
[2] Hunan Univ, Coll Mat Sci & Engn, Changsha 410082, Hunan, Peoples R China
[3] Hunan Univ, Hunan Prov Key Lab Adv Carbon Mat & Appl Technol, Changsha 410082, Hunan, Peoples R China
[4] Jilin Univ, Coll Elect Sci & Engn, State Key Lab Integrated Optoelect, 2699 Qianjin St, Changchun 130012, Jilin, Peoples R China
[5] Natl Ctr Nanosci & Technol, Key Lab Nanosyst & Hierarch Fabricat CAS, Ctr Excellence Nanosci CAS, Beijing 100190, Peoples R China
来源：
APPLIED PHYSICS EXPRESS | 2019年 / 12卷 / 06期
基金：
中国国家自然科学基金;
关键词：
TRANSPORTING MATERIAL; CONDUCTIVITY; STABILITY; ACCEPTOR;
D O I：
10.7567/1882-0786/ab1fb6
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Replacing fullerene with other organic materials is important for exploring perovskite solar cells (PVSCs) with better diversity and performance. In this study, a passivation/transport bilayer structure is employed in fullerene-free perovskite solar cells. The proposed fullerene-free PVSCs based on MAPbI(3) show power conversion efficiency of up to 19.2%, which is among the best value reported so far. We have demonstrated that, besides employing an efficient electron transport layer, passivating the perovskite surface with silicon phthalocyanine based molecules (SiPc-Py-2) is a key issue to prevent current hysteresis and open-circuit voltage loss. (C) 2019 The Japan Society of Applied Physics
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页数：5
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