Polystyrene stabilized perovskite component, grain and microstructure for improved efficiency and stability of planar solar cells

被引：70
|
作者：
Zhang, Huiyin [1 ,2 ,3 ]
Shi, Jiangjian [1 ,2 ,3 ]
Zhu, Lifeng [1 ,2 ,3 ]
Luo, Yanhong [1 ,2 ,3 ]
Li, Dongmei [1 ,2 ,3 ]
Wu, Huijue [1 ,2 ,3 ]
Meng, Qingbo [1 ,2 ,3 ]
机构：
[1] Chinese Acad Sci, Key Lab Renewable Energy, Beijing 100190, Peoples R China
[2] Univ Chinese Acad Sci, Sch Phys Sci, Beijing 100049, Peoples R China
[3] Chinese Acad Sci, Beijing Key Lab New Energy Mat & Devices, Inst Phys, Beijing 100190, Peoples R China
来源：
NANO ENERGY | 2018年 / 43卷
基金：
中国国家自然科学基金;
关键词：
Perovskite solar cell; Polystyrene; Stabilize; Phase separation; Moisture; ORGANOMETAL HALIDE PEROVSKITES; LONG-TERM STABILITY; HIGH-PERFORMANCE; HUMIDITY; HYBRID; IODIDE; MECHANISMS; DEPOSITION; CONTACTS; IMPACT;
D O I：
10.1016/j.nanoen.2017.11.024
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Polystyrene (PS) is introduced to stabilize the perovskite component, grains and microstructures by forming PS-capped perovskite grains. It is found that the PS coverage has significant advantages in suppressing the component loss and phase separation, obstructing moisture corrosion and promoting crystal self-healing of perovskite films. Besides, with the PS involvement, exceeding 20% efficiency of a planar TiO2 based cell has been achieved by decreasing charge traps and nonradiative recombination.
引用
收藏
页码：383 / 392
页数：10
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