| 학회 |
한국고분자학회 |
| 학술대회 |
2019년 봄 (04/10 ~ 04/12, 부산컨벤션센터(BEXCO)) |
| 권호 |
44권 1호 |
| 발표분야 |
고분자합성 |
| 제목 |
A Study on Synthesis of Novel Conjugated Polymers by Using Benzodithiophene and Fluorinated Phenazine for PSCs |
| 초록 |
The novel low-bandgap alternating copolymers (PBDT-DT-DoDFPz and PBDT-DT-DHDFPz) based on difluoro-phenazine were synthesized by stille coupling reaction to investigate the effect of alkyl side chain. Absorption spectra of polymers in film state show the bathochromic shift (about 16 ~ 35nm at maximum peak) compared to in solution. PBDT-DT-DoDFPz was red-shifted than PBDT-DT-DHDFPz. The reason is that the polymer with a linear alkyl side chain was better packed in the film than the polymer with a branched alkyl side chain. A TGA (thermogravimetric analysis) figure showed that the 5% weight-loss temperature (Td) of these polymers were over 330℃ under an inert nitrogen. The AFM (Atomic Force Microscopy) images showed that the domain of PBDT-DT-DoDFPz is smaller and more homogeneous than PBDT-DT-DHDFPz. As a result, the polymer PBDT-DT-DoDFPz achieved 3.41% of PCE (power conversion efficiency) and 0.66V of open-circuit voltage (V¬oc). |
| 저자 |
권지현, 이근대, 박성수, 이원기, 진영읍
|
| 소속 |
부경대 |
| 키워드 |
PSC; OPV
|
| E-Mail |
|
