A facile method to synthesize [A′(D′AD)2]-based push–pull small molecules for organic photovoltaics

RSC Advances ◽  
2015 ◽  
Vol 5 (81) ◽  
pp. 66005-66012 ◽  
Author(s):  
Mohamed Shaker ◽  
Jong-Hoon Lee ◽  
Cuc Kim Trinh ◽  
Wonbin Kim ◽  
Kwanghee Lee ◽  
...  

Synthesis of promising new composition low band gap small molecules based on the push–pull (donor–acceptor) system, which displayed power conversion efficiency of up to 3.24%.

2015 ◽  
Vol 6 (33) ◽  
pp. 6011-6020 ◽  
Author(s):  
Joo Young Shim ◽  
Jiyeon Baek ◽  
Juae Kim ◽  
Song Yi Park ◽  
Jinwoo Kim ◽  
...  

A series of polymers based on 6-(2-thienyl)-4H-thieno[3,2-b]indole, a new electron-rich unit for organic photovoltaics, was synthesized. The best-performing device demonstrated a power conversion efficiency of 3.35%.


RSC Advances ◽  
2015 ◽  
Vol 5 (120) ◽  
pp. 98876-98879 ◽  
Author(s):  
Zugui Shi ◽  
Ivy Wong Hoi Ka ◽  
Xizu Wang ◽  
Chellappan Vijila ◽  
Fei Wang ◽  
...  

With an additional weak acceptor, the low band-gap donor–acceptor conjugated polymer displayed a remarkable power conversion efficiency of 5.36%.


2021 ◽  
Author(s):  
Thomas Chaney ◽  
Andrew Levin ◽  
Sebastian Schneider ◽  
Michael F. Toney

Precise control of the complex morphology of organic photovoltaic bulk heterojunction (BHJ) active layers remains an important yet challenging approach for improving power conversion efficiency. Of particular interest are the...


2015 ◽  
Vol 51 (77) ◽  
pp. 14439-14442 ◽  
Author(s):  
Song Chen ◽  
Liangang Xiao ◽  
Xunjin Zhu ◽  
Xiaobing Peng ◽  
Wai-Kwok Wong ◽  
...  

A series of new A–D–A structural 5,15-dialkylated porphyrin-cored small molecules have been developed as donors in bulk heterojunction organic solar cells, and the highest power conversion efficiency of 6.49% has been achieved.


2014 ◽  
Vol 2 (39) ◽  
pp. 16443-16451 ◽  
Author(s):  
Ye Rim Cheon ◽  
Yu Jin Kim ◽  
Jang Yeol Back ◽  
Tae kyu An ◽  
Chan Eon Park ◽  
...  

We designed and synthesized a dithienobenzodithiophene-based molecule with a planar molecular geometry, DTBDT-TTPD. It showed low band gap, deep HOMO level and the photovoltaic characteristics included a power conversion efficiency as high as 4.48%.


2016 ◽  
Vol 4 (10) ◽  
pp. 1972-1978 ◽  
Author(s):  
Wei Li ◽  
Wanyuan Deng ◽  
Kailong Wu ◽  
Guohua Xie ◽  
Chuluo Yang ◽  
...  

We designed and synthesized three new small molecules FBT–tDTS, DFBT–tDTS and RHO–tDTS based on the dithienosilole trimer as the core. The device based on RHO–tDTS achieved a power conversion efficiency (PCE) of 7.56%.


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