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- Kim, Jin Young
- Next Generation Energy Lab.
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A low bandgap conjugated polymer bearing a phenazine moiety for application in organic solar cells
- Author(s)
- Lee, Sanghoon, Yang, Hyun-Seock, Song, Suhee, Lee, Woojin, Lee, Won-Ki, Park, Sung Heum, Kim, Jin Young, Jin, Youngeup
- Issued Date
- 2022-09
- Citation
- SYNTHETIC METALS, v.289, pp.117114
- Abstract
- 2-Fluorophenazine, a accepter unit, was prepared for the synthesis of conjugated polymers for application in organic solar cells. The introduction of a phenazine moiety containing fused phenyl groups is key since it reduces the energy levels of the HOMOs in conjugated polymers. Thus, conjugated polymers containing mono-fluorophenazine, thiophene, and benzodithiophene were synthesized using the Stille coupling reaction to generate PBDT-FPz, PBDT-TFPz, and PBDT-DTFPz, and their HOMO energy levels were determined to be - 5.86, - 5.76, and - 5.60 eV, respectively. The device based on PBDT-DTFPz:PC71BM exhibited the photovoltaic performance of 1.69%.
- Publisher
- ELSEVIER SCIENCE SA
- ISSN
- 0379-6779
- Keyword (Author)
- Polymer, Solar cells, Synthesis, Fluorine atom
- Keyword
- PHOTOVOLTAIC PROPERTIES, QUINOXALINE, COPOLYMERS
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