A distorted lactam unit with intramolecular hydrogen bonds as the electron donor of polymer solar cells

2019 ◽  
Vol 7 (39) ◽  
pp. 12290-12296
Author(s):  
Hua-Chun Wang ◽  
Minrun Ren ◽  
Jian Cao ◽  
Hong-Bo Yin ◽  
Guichuan Zhang ◽  
...  

The device based on PBDT-BTP-OD with IT-M exhibited power conversion efficiency of up to 9.54% thanks to the synergistic effect of the distorted lactam motif and side-chain engineering.

2017 ◽  
Vol 8 (14) ◽  
pp. 2227-2234 ◽  
Author(s):  
Tao Wang ◽  
Lihui Jiang ◽  
Jun Yuan ◽  
Liuliu Feng ◽  
Zhi-Guo Zhang ◽  
...  

Using a fluoropyrido[3,4-b]pyrazine based 2D-conjugated polymer as an electron donor in polymer solar cells, a power conversion efficiency of 6.2% is obtained, which is the highest PCE among the PP-based polymers reported to date.


2019 ◽  
Vol 7 (26) ◽  
pp. 15841-15850 ◽  
Author(s):  
Zezhou Liang ◽  
Junfeng Tong ◽  
Hongdong Li ◽  
Yufei Wang ◽  
Ningning Wang ◽  
...  

A ternary strategy could combine the advantages of incorporated materials as an encouraging approach to achieve high power conversion efficiency (PCE) polymer solar cells (PSCs).


2018 ◽  
Vol 6 (5) ◽  
pp. 2371-2378 ◽  
Author(s):  
Chuantao Gu ◽  
Deyu Liu ◽  
Junyi Wang ◽  
Qingfen Niu ◽  
Chunyang Gu ◽  
...  

An alkyl thiophene unit was employed for the first time as a side chain substituent on an asymmetric benzodithiophene (BDT) building block in the design of novel light-harvesting polymers.


2016 ◽  
Vol 4 (21) ◽  
pp. 8097-8104 ◽  
Author(s):  
Yahui Liu ◽  
Wenchao Zhao ◽  
Yang Wu ◽  
Jicheng Zhang ◽  
Guangwu Li ◽  
...  

Two conjugated polymers (P1, P2) were designed and used as donor materials for polymer solar cells. The open-circuit voltage was significantly improved to 0.85 V. The synergistic effect of combined carboxylate and fluoro functional groups promoted the PCE to as high as 9.26%.


2013 ◽  
Vol 15 (43) ◽  
pp. 19057 ◽  
Author(s):  
Naveen Kumar Elumalai ◽  
Chellappan Vijila ◽  
Rajan Jose ◽  
Kam Zhi Ming ◽  
Amitaksha Saha ◽  
...  

2017 ◽  
Vol 10 (10) ◽  
pp. 2212-2221 ◽  
Author(s):  
Zhaojun Li ◽  
Xiaofeng Xu ◽  
Wei Zhang ◽  
Xiangyi Meng ◽  
Zewdneh Genene ◽  
...  

High-performance ternary all-polymer solar cells with outstanding efficiency of 9.0% are realized by incorporating two donor and one acceptor polymers with complementary absorption and proper energy level alignment.


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