Patent ID: 11950491
Assignee: RAYNERGY TEK INCORPORATION
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC H  C | IPC C  H

Claim 0:
1. A semiconductor mixed material, comprising:
an electron donor which is a random copolymer with at least two structural units randomly arranged comprising the structure of Formula V:, wherein, the structural units comprise A and B, the electron donor comprises continuous a plurality of monomers with Formula V, and the number of A and B of each monomer with Formula V is random, and an arrangement with A and B of each monomer is random, without an arrangement with only a single A and a single B of each monomer;
X is selected from one of following: C, S, N, and O;
X1 to X4 can be the same or different, and X1 to X4 are independently selected from the group consisting of C, C—F, C—Cl, C—Br, and C—I;
Ar5 to Ar8 an be the same or different, and Ar5 to Ar8 are independently selected from the group consisting of C1-C30 fused ring with and without substituents, C1-C30 fused heteroaromatic ring with and without substituents, C1-C30 fused heterocyclic ring with and without substituents, benzene ring with and without substituents, five-membered ring with and without substituents, and six-membered ring with and without substituents, wherein Formula V comprises at least one of Ar5≠Ar5≠ and Ar7≠Ar8;
π5 and π6 can be the same or different, and π5 and π6 are independently selected from the group consisting of C8-C30 fused ring with and without substituents, C8-C30 fused heteroaromatic ring with and without substituents, C8-C30 fused heterocyclic ring with and without substituents, wherein Ar5 to Ar8 are different from π5 and π6;
a to f can be the same or different, and a to f are integers independently selected from 1 to 5; and
the sum of x and y is 1, x≠0 and y≠0;

a first electron acceptor with an energy gap less than 1.4 eV, the first electron acceptor comprising a structure of Formula 1:, wherein R1 and R2 can be the same or different, and R1 and R2 are independently selected from the group consisting of C1-C30 alkyl chain with and without substitutents, and halogen;
Ar1, Ar2, EG1 and EG2 can be the same or different, and Ar1, Ar2, EG1 and EG2 are independently selected from the group consisting of C1-C30 fused ring with and without substituents, C1-C30 fused heteroaromatic ring with and without substituents, and C1-C30 fused heterocyclic ring with and without substituents, benzene ring with and without substituents, five-membered heterocyclic ring with and without substituents, and six-membered heterocyclic ring with and without substituents; and
π1 and π2 can be the same as or different from each other, and π1 and π2 are independently selected from the group consisting of C1-C30 fused rings with and without substituents, C1-C30 fused heterocyclic ring with and without substituents, C1-C30 fused ring with and without substituents, benzene ring with and without substituents, five-membered ring with and without substituents, and six-membered ring with and without substituents, alkene with and without substituents and alkyne with and without substituents, wherein m is an integer selected from 0 to 5; and

a second electron acceptor, wherein at least one of molecular stack ability, π-π* stack ability, and crystallinity of the second electron acceptor is less than that of the first electron acceptor;
wherein, the electron donor is configured as a substrate for mixing the first electron acceptor and the second electron acceptor.