Effect of molecular packing on interfacial recombination of organic solar cells based on palladium phthalocyanine and perylene derivatives
- Effect of molecular packing on interfacial recombination of organic solar cells based on palladium phthalocyanine and perylene derivatives
- 김인호; Hanna M. Haverinen; Zixing Wang; Sijesh Madakuni; Jian Li; Ghassan E. Jabbour
- Issue Date
- Applied physics letters
- VOL 95, NO 2, 023305-1-023305-3
- Planar heterojunction solar cells made of three different perylene tetracarboxylic diimide PTCDI
derivatives as acceptor and palladium phthalocyanine as donor are demonstrated. Electron-hole pair
recombination at donor/acceptor interface was compared for three PTCDI derivative solar cells by
optical modeling and the effect of molecular packing of the PTCDI derivatives on charge
dissociation is discussed. We observed that PTCDI with hexyl chains has the highest charge
separation efficiency among three PTCDI derivatives, leading to a power conversion efficiency of
2.0% in solar cells.
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