Surface & grain boundary co-passivation by fluorocarbon based bifunctional molecules for perovskite solar cells with efficiency over 21%

2019 ◽  
Vol 7 (6) ◽  
pp. 2497-2506 ◽  
Author(s):  
Pengfei Guo ◽  
Qian Ye ◽  
Xiaokun Yang ◽  
Jin Zhang ◽  
Fei Xu ◽  
...  
Keyword(s):  
Solar Cells ◽  
Grain Boundary ◽  
Perovskite Solar Cells ◽  
Effective Strategy ◽  
Efficiency Loss ◽  
Bifunctional Molecules ◽  
Improved Stability

An effective strategy of surface & grain boundary co-passivation is demonstrated to access perovskite solar cells with 21.31% champion efficiency as well as a highly improved stability of less than 3% efficiency loss after 2500 hours at a humidity of 70%.

scholarly journals The lattice reconstruction of Cs-introduced FAPbI1.80Br1.20 enables improved stability for perovskite solar cells

RSC Advances ◽  
2021 ◽  
Vol 11 (7) ◽  
pp. 3997-4005
Author(s):  
Shuang Chen ◽  
Lu Pan ◽  
Tao Ye ◽  
Nuo Lei ◽  
Yijun Yang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Structural Stability ◽  
Perovskite Solar Cells ◽  
Improved Stability

The Cs0.15FA0.85PbI1.80Br1.20 perovskite shows excellent structural stability, while 15% Cs+ can reduce specific traps such as Pb0 and I0.

Diethylammonium Iodide Assisted Grain Growth with Sub‐Grain Cluster to Passivate Grain Boundary for CH 3 NH 3 PbI 3 Perovskite Solar Cells

2020 ◽  
Vol 8 (10) ◽  
pp. 2000412
Author(s):  
Lan Xiao ◽  
Zhengchun Wang ◽  
Tong Wu ◽  
Pingli Qin ◽  
Xueli Yu ◽  
...  
Keyword(s):  
Solar Cells ◽  
Grain Boundary ◽  
Grain Growth ◽  
Perovskite Solar Cells

Self-formed grain boundary healing layer for highly efficient CH3NH3PbI3 perovskite solar cells

Nature Energy ◽  
2016 ◽  
Vol 1 (7) ◽  
Author(s):  
Dae-Yong Son ◽  
Jin-Wook Lee ◽  
Yung Ji Choi ◽  
In-Hyuk Jang ◽  
Seonhee Lee ◽  
...  
Keyword(s):  
Solar Cells ◽  
Grain Boundary ◽  
Perovskite Solar Cells ◽  
Highly Efficient

Conjugated push-pull type oligomer as a new electron transport material for improved stability p-i-n perovskite solar cells

2021 ◽  
Vol 281 ◽  
pp. 116921
Author(s):  
Mohamed M. Elnaggar ◽  
Lyubov A. Frolova ◽  
Sergey D. Babenko ◽  
Sergey M. Aldoshin ◽  
Pavel A. Troshin
Keyword(s):  
Solar Cells ◽  
Electron Transport ◽  
Perovskite Solar Cells ◽  
Improved Stability

scholarly journals Tailoring capping-layer composition for improved stability of mixed-halide perovskites

2022 ◽  
Author(s):  
Noor Titan Putri Hartono ◽  
Marie-Hélène Tremblay ◽  
Sarah Wieghold ◽  
Benjia Dou ◽  
Janak Thapa ◽  
...  
Keyword(s):  
Solar Cells ◽  
Perovskite Solar Cells ◽  
Capping Layer ◽  
Improved Stability ◽  
Halide Perovskites ◽  
The Stability ◽  
Low Dimensional ◽  
Layer Composition

Incorporating a low dimensional (LD) perovskite capping layer on top of perovskite absorber, improves the stability of perovskite solar cells (PSCs). However, in the case of mixed-halide perovskites, which can...

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