期刊
ADVANCED FUNCTIONAL MATERIALS
卷 22, 期 8, 页码 1663-1670出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adfm.201102941
关键词
silaindacenodithiophene; hole mobility; solar cell; fluorine; conjugated polymers
类别
资金
- DPI [678]
- Centre for Plastic Electronics at Imperial College London
- National Research Fund of Luxembourg
- EPSRC [EP/F056710/1]
- EC [212311]
- EPSRC [EP/F056710/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/F056710/1] Funding Source: researchfish
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).
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