Synthesis and properties of low band gap polymers based on thienyl thienoindole as a new electron-rich unit for organic photovoltaics

2015 ◽  
Vol 6 (33) ◽  
pp. 6011-6020 ◽  
Author(s):  
Joo Young Shim ◽  
Jiyeon Baek ◽  
Juae Kim ◽  
Song Yi Park ◽  
Jinwoo Kim ◽  
...  
Keyword(s):  
Band Gap ◽  
Power Conversion Efficiency ◽  
Conversion Efficiency ◽  
Organic Photovoltaics ◽  
Power Conversion ◽  
Low Band Gap ◽  
Low Band Gap Polymers

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%.

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 ◽  
...  
Keyword(s):  
Small Molecules ◽  
Band Gap ◽  
Power Conversion Efficiency ◽  
Conversion Efficiency ◽  
Organic Photovoltaics ◽  
Power Conversion ◽  
Low Band Gap ◽  
Donor Acceptor

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%.

DTBDT-TTPD: a new dithienobenzodithiophene-based small molecule for use in efficient photovoltaic devices

2014 ◽  
Vol 2 (39) ◽  
pp. 16443-16451 ◽  
Author(s):  
Ye Rim Cheon ◽  
Yu Jin Kim ◽  
Jang Yeol Back ◽  
Tae kyu An ◽  
Chan Eon Park ◽  
...  
Keyword(s):  
Band Gap ◽  
Power Conversion Efficiency ◽  
Conversion Efficiency ◽  
Small Molecule ◽  
Power Conversion ◽  
Molecular Geometry ◽  
Photovoltaic Devices ◽  
Low Band Gap ◽  
Homo Level ◽  
Photovoltaic Characteristics

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%.

Low band-gap weak donor–strong acceptor conjugated polymer for organic solar cell

RSC Advances ◽  
2015 ◽  
Vol 5 (120) ◽  
pp. 98876-98879 ◽  
Author(s):  
Zugui Shi ◽  
Ivy Wong Hoi Ka ◽  
Xizu Wang ◽  
Chellappan Vijila ◽  
Fei Wang ◽  
...  
Keyword(s):  
Solar Cell ◽  
Band Gap ◽  
Power Conversion Efficiency ◽  
Conversion Efficiency ◽  
Conjugated Polymer ◽  
Organic Solar Cell ◽  
Power Conversion ◽  
Low Band Gap ◽  
Donor Acceptor

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

Scattering Techniques for Mixed Donor-Acceptor Characterization in Organic Photovoltaics

2021 ◽  
Author(s):  
Thomas Chaney ◽  
Andrew Levin ◽  
Sebastian Schneider ◽  
Michael F. Toney
Keyword(s):  
Power Conversion Efficiency ◽  
Conversion Efficiency ◽  
Organic Photovoltaics ◽  
Bulk Heterojunction ◽  
Power Conversion ◽  
Organic Photovoltaic ◽  
Precise Control ◽  
Active Layers ◽  
Complex Morphology ◽  
Donor Acceptor

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...

10.4% Power Conversion Efficiency of ITO-Free Organic Photovoltaics Through Enhanced Light Trapping Configuration

2015 ◽  
Vol 5 (15) ◽  
pp. 1500406 ◽  
Author(s):  
Jiang Huang ◽  
Chang-Zhi Li ◽  
Chu-Chen Chueh ◽  
Sheng-Qiang Liu ◽  
Jun-Sheng Yu ◽  
...  
Keyword(s):  
Power Conversion Efficiency ◽  
Conversion Efficiency ◽  
Organic Photovoltaics ◽  
Light Trapping ◽  
Power Conversion
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