CPC H01G 9/2059 (2013.01) [C09D 11/037 (2013.01); C09D 11/107 (2013.01); C09D 11/52 (2013.01); H10K 71/13 (2023.02)] | 15 Claims |
1. A liquid electrophotographic (LEP) photovoltaic ink composition comprising:
a dispersion of a material with a perovskite structure, a thermoplastic resin and conductive particles in a carrier liquid;
wherein the material with a perovskite structure has a chemical formula selected from ABX3 and A2BX6;
wherein A is a cation, B is a cation and X is an anion; and
wherein the thermoplastic resin comprises:
a copolymer of an alkylene monomer and a monomer having acidic side groups; and/or
a copolymer of an alkylene monomer and an ethylenically unsaturated monomer comprising an epoxide; and/or
a copolymer of an alkylene monomer, an ethylenically unsaturated monomer comprising an epoxide, and a monomer selected from a monomer having acidic side groups, a monomer having ester side groups and a mixture thereof.
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