Grain Boundary Defect Passivation of Triple Cation Mixed Halide Perovskite with Hydrazine-Based Aromatic Iodide for Efficiency Improvement

2020 ◽  
Vol 12 (37) ◽  
pp. 41312-41322
Author(s):  
Sheikh Ifatur Rahman ◽  
Buddhi Sagar Lamsal ◽  
Ashim Gurung ◽  
Ashraful Haider Chowdhury ◽  
Khan Mamun Reza ◽  
...  
Keyword(s):  
Grain Boundary ◽  
Efficiency Improvement ◽  
Boundary Defect ◽  
Defect Passivation ◽  
Halide Perovskite

Grain Boundary Defect Passivation in Quadruple Cation Wide‐Bandgap Perovskite Solar Cells

Solar RRL ◽  
2021 ◽  
Vol 5 (4) ◽  
pp. 2000740
Author(s):  
Khan Mamun Reza ◽  
Ashim Gurung ◽  
Behzad Bahrami ◽  
Ashraful Haider Chowdhury ◽  
Nabin Ghimire ◽  
...  
Keyword(s):  
Solar Cells ◽  
Grain Boundary ◽  
Perovskite Solar Cells ◽  
Wide Bandgap ◽  
Boundary Defect ◽  
Defect Passivation

Enhanced efficacy of defect passivation and charge extraction for efficient perovskite photovoltaics with a small open circuit voltage loss

2019 ◽  
Vol 7 (15) ◽  
pp. 9025-9033 ◽  
Author(s):  
Jin-Feng Liao ◽  
Wu-Qiang Wu ◽  
Jun-Xing Zhong ◽  
Yong Jiang ◽  
Lianzhou Wang ◽  
...  
Keyword(s):  
Grain Boundary ◽  
Power Conversion Efficiency ◽  
Conversion Efficiency ◽  
Open Circuit Voltage ◽  
Power Conversion ◽  
Charge Recombination ◽  
Open Circuit ◽  
Polymeric Semiconductor ◽  
Voltage Loss ◽  
Defect Passivation

A multifunctional 2D polymeric semiconductor was incorporated to provide surprisingly robust efficacy in grain boundary functionalization and defect passivation of perovskite, which suppresses charge recombination and thus affording an illustrious photovoltage of 1.16 V and power conversion efficiency of 21.1%.

Efficient Defect Passivation with Niacin for High-Performance and Stable Perovskite Solar Cells

2021 ◽  
Author(s):  
Jing Ren ◽  
Shurong Wang ◽  
Jianxing Xia ◽  
Chengbo Li ◽  
Lisha Xie ◽  
...  
Keyword(s):  
Solar Cells ◽  
Charge Carrier ◽  
High Performance ◽  
Perovskite Solar Cells ◽  
Trap States ◽  
Carrier Recombination ◽  
Defect Passivation ◽  
Recombination Centers ◽  
Charge Carrier Recombination ◽  
Halide Perovskite

Defects, inevitably produced in the solution-processed halide perovskite films, can act as charge carrier recombination centers to induce severe energy loss in perovskite solar cells (PSCs). Suppressing these trap states...

Grain boundary defect compensation in Ti-doped BaFe0.5Nb0.5O3 ceramics

2016 ◽  
Vol 122 (9) ◽  
Author(s):  
Xiaojun Sun ◽  
Jianming Deng ◽  
Saisai Liu ◽  
Tianxiang Yan ◽  
Biaolin Peng ◽  
...  
Keyword(s):  
Grain Boundary ◽  
Boundary Defect

Observing Defect Passivation of the Grain Boundary with 2‐Aminoterephthalic Acid for Efficient and Stable Perovskite Solar Cells

2020 ◽  
Vol 132 (10) ◽  
pp. 4190-4196 ◽  
Author(s):  
Zhongze Liu ◽  
Fengren Cao ◽  
Meng Wang ◽  
Min Wang ◽  
Liang Li
Keyword(s):  
Solar Cells ◽  
Grain Boundary ◽  
Perovskite Solar Cells ◽  
Defect Passivation

Interlaced Pd–Ag nanowires rich in grain boundary defects for boosting oxygen reduction electrocatalysis

Nanoscale ◽  
2020 ◽  
Vol 12 (9) ◽  
pp. 5368-5373 ◽  
Author(s):  
Xiao-Jing Liu ◽  
Xing Yin ◽  
Yi-Dan Sun ◽  
Feng-Jiao Yu ◽  
Xiang-Wen Gao ◽  
...  
Keyword(s):  
Grain Boundary ◽  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Reduction Reaction ◽  
Alkaline Media ◽  
Defect Engineering ◽  
Boundary Defect ◽  
Enhanced Activity ◽  
Ag Nanowires

Pd–Ag interlaced nanowires with grain boundary defect engineering exhibit enhanced activity and superior stability for oxygen reduction reaction in alkaline media.

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