| 초록 |
BHJ films have been dominated by polymeric donor materials, as they typically have better film-forming characteristics and film morphology than their small-molecule counterparts. Small molecules do not suffer from batch to batch variations, broad molecular-weight distributions, end-group contamination, or difficult purification methods, which can be significant problems for polymeric materials. These considerations make small molecules a promising class of donor material for BHJ solar cell applications. The D-A-D molecules were synthesized by Suzuki coupling reaction The new type of acceptor was 4,7-bis(5-(benzofuran-2-yl)thiophen-2-yl)-2,2-dimethyl-2H-benzo[d]imidazole (FMF) |
