TY - JOUR
T1 - Alternative Thieno[3,2-b][1]benzothiophene Isoindigo Polymers for Solar Cell Applications
AU - Neophytou, Marios
AU - Bryant, Daniel
AU - Lopatin, Sergei
AU - Chen, Hu
AU - Hallani, Rawad
AU - Cater, Lewis
AU - McCulloch, Iain
AU - Yue, Wan
N1 - KAUST Repository Item: Exported on 2020-10-01
Acknowledgements: The authors thank the financial support by Marie Curie Intra-European Fellowship with the 7th European Community Framework Programme (No. FP7-PEOPLE-2013-IEF-622187), the Young National 1000-Talents Program of China, National Natural Science Foundation of China (Grant No. 21702240), EC FP7 SC2 (No. 610115), EC H2020 (No. 643791), and EPSRC Project Nos. EP/G037515/1 P/M024873/1 and EP/M005143/1.
PY - 2018/3/5
Y1 - 2018/3/5
N2 - This work reports the synthesis, characterization, photophysical, and photovoltaic properties of five new thieno[3,2-b][1]benzothiophene isoindigo (TBTI)-containing low bandgap donor-acceptor conjugated polymers with a series of comonomers and different side chains. When TBTI is combined with different electron-rich moieties, even small structural variations can have significant impact on thin film morphology of the polymer:phenyl C70 butyric acid methyl ester (PCBM) blends. More importantly, high-resolution electron energy loss spectroscopy is used to investigate the phase-separated bulk heterojunction domains, which can be accurately and precisely resolved, enabling an enhanced correlation between polymer chemical structure, photovoltaic device performance, and morphology.
AB - This work reports the synthesis, characterization, photophysical, and photovoltaic properties of five new thieno[3,2-b][1]benzothiophene isoindigo (TBTI)-containing low bandgap donor-acceptor conjugated polymers with a series of comonomers and different side chains. When TBTI is combined with different electron-rich moieties, even small structural variations can have significant impact on thin film morphology of the polymer:phenyl C70 butyric acid methyl ester (PCBM) blends. More importantly, high-resolution electron energy loss spectroscopy is used to investigate the phase-separated bulk heterojunction domains, which can be accurately and precisely resolved, enabling an enhanced correlation between polymer chemical structure, photovoltaic device performance, and morphology.
UR - http://hdl.handle.net/10754/627288
UR - http://onlinelibrary.wiley.com/doi/10.1002/marc.201700820/full
UR - http://www.scopus.com/inward/record.url?scp=85043279280&partnerID=8YFLogxK
U2 - 10.1002/marc.201700820
DO - 10.1002/marc.201700820
M3 - Article
C2 - 29504170
SN - 1022-1336
VL - 39
SP - 1700820
JO - Macromolecular Rapid Communications
JF - Macromolecular Rapid Communications
IS - 14
ER -
