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

Claim 6:
7. 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—Br, and C—I;
Ar5 to Ar8 can 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≠Ar7 and Ar6≠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 Ar5to 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;
a second electron acceptor, at least one of molecular stack ability, π-π* stack ability, crystallinity of the second electron acceptor less than that of the first electron acceptor, and the second electron acceptor comprising at least one of the structure of Formula II, Formula III, and Formula IV:, wherein, Z is selected from one of following: C, Si, and Ge;
R3 to R17 can be the same or different, and R3 to R17 are independently selected from the group consisting of C1-C30 alkyl with substituents and without substituents and halogen;
Ar3, Ar4, EG3, EG4 can be the same or different, and Ar3, Ar4, EG3, EG4 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 ring with and without substituents, and six-membered ring with and without substituents; and
π3 and π4 can be the same or different, and π3 and π4 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, alkene with and without substituents and alkyne with and without substituents, wherein m is an integer selected from 0 to 5;

wherein, the electron donor is configured as a substrate for mixing the first electron acceptor and the second electron acceptor.