Schroeder, BC;
Huang, Z;
Ashraf, RS;
Smith, J;
D'Angelo, P;
Watkins, SE;
Anthopoulos, TD;
... McCulloch, I; + view all
(2012)
Silaindacenodithiophene-Based Low Band Gap Polymers - The Effect of Fluorine Substitution on Device Performances and Film Morphologies.
Advanced Functional Materials
, 22
(8)
pp. 1663-1670.
10.1002/adfm.201102941.
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Abstract
Silaindacenodithiophene is copolymerized with benzo[c][1,2,5]thiadiazole (BT) and 4,7‐di(thiophen‐2‐yl)benzo[c][1,2,5]thiadiazole (DTBT), respectively their fluorinated counter parts 5,6‐difluorobenzo[c][1,2,5]thiadiazole (2FBT) and 5,6‐difluoro‐4,7‐di(thiophen‐2‐yl) benzo[c][1,2,5]thiadiazole (2FDTBT). The influence of the thienyl spacers and fluorine atoms on molecular packing and active layer morphology is investigated with regard to device performances. bulk heterojunction (BHJ) solar cells based on silaindacenodithiophene donor‐acceptor polymers achieved PCE's of 4.5% and hole mobilities of as high as 0.28 cm2/(V s) are achieved in an organic field‐effect transistor (OFET).
| Type: | Article |
|---|---|
| Title: | Silaindacenodithiophene-Based Low Band Gap Polymers - The Effect of Fluorine Substitution on Device Performances and Film Morphologies |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1002/adfm.201102941 |
| Publisher version: | http://dx.doi.org/10.1002/adfm.201102941 |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | silaindacenodithiophene, hole mobility, solar cell, fluorine, conjugated polymers |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Chemistry |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10048396 |
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