Tetra-indole core as a dual agent: hole selective layer and for defect passivation in perovskite solar cells

2021 ◽  
Author(s):  
Meenakshi Pegu ◽  
Samrana Kazim ◽  
Peng Huang ◽  
Luis Lezama ◽  
Shahzada Ahmad
Keyword(s):  
Solar Cells ◽  
Small Molecule ◽  
Perovskite Solar Cells ◽  
Selective Layer ◽  
Defect Passivation

Organic small molecule composed of tetra-indole core was synthesized and introduced as hole selective layer in perovskite solar cells (PSCs) fabrication. 5,10,15,20-tetrahydrotriindole[2’,3’:4:2’,3’:5,6:2’,3’:7,8]cycloocta[1,2-b]indole (TTI) when integrated in PSCs, also passivate the...

Defect passivation by alcohol-soluble small molecules for efficient p–i–n planar perovskite solar cells with high open-circuit voltage

2019 ◽  
Vol 7 (37) ◽  
pp. 21140-21148 ◽  
Author(s):  
Kang Chen ◽  
Jingnan Wu ◽  
Yanan Wang ◽  
Qing Guo ◽  
Qiaoyun Chen ◽  
...  
Keyword(s):  
Solar Cells ◽  
Small Molecules ◽  
Small Molecule ◽  
Open Circuit Voltage ◽  
Perovskite Solar Cells ◽  
Open Circuit ◽  
Defect Passivation

A π-conjugated and alcohol-soluble small molecule was used to passivate defects in p–i–n Pero-SCs with a PCE of 21.40% and Voc of 1.19 V.

scholarly journals Simultaneous Bottom‐Up Interfacial and Bulk Defect Passivation in Highly Efficient Planar Perovskite Solar Cells using Nonconjugated Small‐Molecule Electrolytes

2019 ◽  
Vol 31 (40) ◽  
pp. 1903239 ◽  
Author(s):  
Ding Zheng ◽  
Ruixiang Peng ◽  
Gang Wang ◽  
Jenna Leigh Logsdon ◽  
Binghao Wang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Small Molecule ◽  
Perovskite Solar Cells ◽  
Bottom Up ◽  
Highly Efficient ◽  
Defect Passivation

High‐Performance Inverted Perovskite Solar Cells with Operational Stability via n‐Type Small Molecule Additive‐Assisted Defect Passivation

2020 ◽  
Vol 10 (46) ◽  
pp. 2001920
Author(s):  
Donghwan Koo ◽  
Yongjoon Cho ◽  
Ungsoo Kim ◽  
Gyujeong Jeong ◽  
Junghyun Lee ◽  
...  
Keyword(s):  
Solar Cells ◽  
Small Molecule ◽  
High Performance ◽  
Perovskite Solar Cells ◽  
Operational Stability ◽  
Defect Passivation

Tris(4-(1-phenyl-1H-benzo[d]imidazole)phenyl)phosphine oxide for enhanced mobility and restricted traps in photovoltaic interlayers

2021 ◽  
Vol 9 (10) ◽  
pp. 3642-3651
Author(s):  
Jihyun Lim ◽  
Do-Yeong Choi ◽  
Woongsik Jang ◽  
Hyeon-Ho Choi ◽  
Yun-Hi Kim ◽  
...  
Keyword(s):  
Solar Cells ◽  
Electron Transport ◽  
Small Molecule ◽  
Phosphine Oxide ◽  
Organic Material ◽  
Perovskite Solar Cells ◽  
Effective Electron ◽  
Enhanced Mobility

Small molecule organic material, tris(4-(1-phenyl-1H-benzo[d]imidazole)phenyl)phosphine oxide (TIPO) was newly synthesised and introduced into an n-type interlayer in planar perovskite solar cells for effective electron transport.

Multifunctional Chemical Bridge and Defect Passivation for Highly Efficient Inverted Perovskite Solar Cells

2021 ◽  
pp. 1596-1606
Author(s):  
Qisen Zhou ◽  
Junming Qiu ◽  
Yunfei Wang ◽  
Mei Yu ◽  
Jianhua Liu ◽  
...  
Keyword(s):  
Solar Cells ◽  
Perovskite Solar Cells ◽  
Highly Efficient ◽  
Defect Passivation

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...

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