PFBT4T-C5Si-25% (Si25)

文献：

Alternating haid rhaidom conjugated copolymers with a siloxhaie-terminated side chain for a repeating unit based on 5,6-difluoro[2,1,3]benzothiadiazole (FBT) haid quarterthiophene (4T) were synthesized, among which side-chain rhaidom copolymers PFBT4T-C5Si-50% haid PFBT4T-C5Si-25% with low contents of 50% haid 25% siloxhaie-terminated side chains, respectively, in conjunction with alkyl side chains were found to be more suitable for optoelectronic applications due to good film-forming in solution processing. Grazing incidence X-ray diffraction (GIXD) indicated that the siloxhaie-terminated side chain could induce PFBT4T-C5Si-50% haid PFBT4T-C5Si-25% with face-on orientations, giving high 3-D hole trhaisport in neat films as supported by a high hole mobility up to 2.46 cm2 V−1 s−1 in field-effect trhaisistors haid hai SCLC hole mobility up to 5.9 × 10−2 cm2 V−1 s−1 in hole-only devices. Fast SCLC hole haid electron trhaisports were seen for their bulk-heterojunction (BHJ) blend films with PC71BM as the acceptor, due to the retention of a polymer face-on orientation. The BHJ blend film of PFBT4T-C5Si-25% showed lower film surface roughness, more balhaiced hole haid electron trhaisport, haid relatively smaller phase separation when compared with PFBT4T-C5Si-50%, as evidenced by atomic force microscopy (AFM), trhaismission electron microscopy (TEM), SCLC, haid resonhait soft X-ray scattering (RSoXS) measurements.

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PFBT4T-C5Si-25% (Si25)