Solar Cell Performance of Phenanthrodithiophene–Isoindigo Copolymers Depends on Their Thin-Film Structure and Molecular Weight

2017 ◽  
Vol 50 (12) ◽  
pp. 4639-4648 ◽  
Author(s):  
Hiroki Mori ◽  
Shuto Hara ◽  
Shuhei Nishinaga ◽  
Yasushi Nishihara
2014 ◽  
Vol 2 (45) ◽  
pp. 19282-19289 ◽  
Author(s):  
Zhenggang Huang ◽  
Elisa Collado Fregoso ◽  
Stoichko Dimitrov ◽  
Pabitra Shakya Tuladhar ◽  
Ying Woan Soon ◽  
...  

The performance of bulk heterojunction solar cells based on a novel donor polymer DPP-TT-T was optimised by tuning molecular weight and thermal annealing.


2020 ◽  
Vol 110 ◽  
pp. 110524
Author(s):  
Ali Baltakesmez ◽  
Betül Güzeldir ◽  
Yunus Alkan ◽  
Mustafa Sağlam ◽  
Mehmet Biber

2015 ◽  
Vol 1738 ◽  
Author(s):  
Liyuan Zhang ◽  
Sreejith Karthikeyan ◽  
Mandip J. Sibakoti ◽  
Stephen A. Campbell

ABSTRACTWe investigate the synthesis of kesterite Cu2ZnSnS4 (CZTS) thin films using thermal evaporation from copper, zinc and tin pellets and post-annealing in a sulfur atmosphere. The effects of chemical composition were studied both on the absorber layer properties and on the final solar cell performance. It is confirmed that CZTS thin film chemical composition affects the carrier concentration profile, which then influences the solar cell properties. Solar cells using a CZTS thin film with composition ratio Cu/(Zn+Sn) = 0.87, and Zn/Sn = 1.24 exhibited an open-circuit voltage of 483 mV, a short-circuit current of 14.54 mA/cm2, a fill factor of 37.66 % and a conversion efficiency of 2.64 %. Only a small deviation from the optimal chemical composition can drop device performance to a lower level, which confirms that the CZTS solar cells with high conversion efficiency existed in a relatively narrow composition region.


2016 ◽  
Vol 688 ◽  
pp. 12-17 ◽  
Author(s):  
In Young Kim ◽  
Ju Yeon Lee ◽  
Uma V. Ghorpade ◽  
M.P. Suryawanshi ◽  
Dong Seon Lee ◽  
...  

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