Polymerizable fullerene derivative and their use in organic photovoltaic cells

摘要

The present invention discloses an inverted organic photovoltaic cell comprising a polymerizable fullerene interlayer adapted to enhance the device performance and lifetime. The polymerizable fullerene derivative comprises a fullerene core, a bridging functional group and a polymerizable functional group. The fullerene core can be either C₆₀ or C₇₀, and the bridging functional group comprises a cyclic hydrocarbon or a heterocyclic ring. The polymerizable functional group comprises a thermally polymerizable functional group or a photochemically polymerizable functional group.