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Photoinduced processes of functionalized perylene bisimides

open access: yes, 2004
Photoinduced electron transfer at the interface of a donor and acceptor material is the primary step in organic solar cells in which photons are used to create free charge carriers. Because the lifetime and diffusion length of photoexcitations in organic materials is limited, efficient charge separation can only be obtained when the electron donor and ...
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Dinaphthothiepine Bisimide and Its Sulfoxide: Soluble Precursors for Perylene Bisimide

open access: yesDinaphthothiepine Bisimide and Its Sulfoxide: Soluble Precursors for Perylene Bisimide
The synthesis and properties of dinaphtho[1,8-bc:1′,8′-ef]thiepine bisimide (DNTBI) and its oxides are described. Their molecular design is conceptually based on the insertion of a sulfur atom into the perylene bisimide (PBI) core. These sulfur-inserted PBI derivatives adopt nonplanar structures, which significantly increases their solubility in common
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