Understanding the poor fill factor of solution-processed squaraine based solar cells in terms of charge carrier dynamics probed via impedance and transient spectroscopy

2020 ◽  
Vol 8 (42) ◽  
pp. 14748-14756
Author(s):  
Anitha B. ◽  
Vijith K. P. ◽  
Akhil Alexander ◽  
Varun Srivastava ◽  
Manoj A. G. Namboothiry

Poor charge transport and extraction along with trap-assisted recombination limit the fill factor of solution processed SQ:PCBM solar cells.

2021 ◽  
pp. 389-429
Author(s):  
Mohd T. Khan ◽  
Abdullah Almohammedi ◽  
Samrana Kazim ◽  
Shahzada Ahmad

2020 ◽  
Vol 10 (38) ◽  
pp. 2001149
Author(s):  
Hyojung Cha ◽  
Yizhen Zheng ◽  
Yifan Dong ◽  
Hyun Hwi Lee ◽  
Jiaying Wu ◽  
...  

2019 ◽  
Vol 1 (11) ◽  
pp. 2334-2341
Author(s):  
Yanyan Wang ◽  
Ziyang Hu ◽  
Can Gao ◽  
Cheng Yang ◽  
Houcheng Zhang ◽  
...  

2020 ◽  
Vol 10 (38) ◽  
pp. 2070158
Author(s):  
Hyojung Cha ◽  
Yizhen Zheng ◽  
Yifan Dong ◽  
Hyun Hwi Lee ◽  
Jiaying Wu ◽  
...  

2015 ◽  
Vol 5 (9) ◽  
pp. 1401778 ◽  
Author(s):  
Clare Dyer-Smith ◽  
Ian A. Howard ◽  
Clément Cabanetos ◽  
Abdulrahman El Labban ◽  
Pierre M. Beaujuge ◽  
...  

Nanoscale ◽  
2014 ◽  
Vol 6 (24) ◽  
pp. 15175-15180 ◽  
Author(s):  
Dong Hwan Wang ◽  
Jung Kyu Kim ◽  
Sang Jin Kim ◽  
Byung Hee Hong ◽  
Jong Hyeok Park

Solution-processed small-molecule solar cells are demonstrated by insertion of graphene quantum dots (GQDs). The GQDs play an important role in increasing current density and fill factor which correlate with improved EQE and effective surface morphology. The multiple scattering and a reduced charge transport resistance lead to enhanced performances.


2011 ◽  
Vol 98 (25) ◽  
pp. 253302 ◽  
Author(s):  
Mei Xue ◽  
Lu Li ◽  
Bertrand J. Tremolet de Villers ◽  
Huajun Shen ◽  
Jinfeng Zhu ◽  
...  

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