Conjugated micromolecule thermoelectric material and preparation method thereof

The invention discloses a conjugated small-molecule thermoelectric material and a preparation method thereof, and the preparation method comprises the steps: carrying out a coupling reaction on (E)-{4-{2-{{4-{7-{4-[bis (4-methoxyphenyl) amino] phenyl} benzo [c] [1, 2, 5] thiadiazole-4-yl}-3-methylbutyl-1, 3-diene-2-yl} oxy} propan-2-yl} phenyl} boric acid and 2, 8-dibromo-6, 6, 12, 12-tetrahexyl-6, 12-dihydroindeno [1, 2-b] fluorene. The conjugated small-molecule thermoelectric material (E)-3-{{2-{3-{8-{3-{2-{{(E)-4-{7-{4-[bis (4-methoxyphenyl) amino] phenyl} benzo [c] [1, 2, 5] thiadiazole-4-yl}-3-cyano-1, 3-dienyl-2-yl} oxy} propan-2-yl} phenyl}-6, 6, 12, 12-tetrahexyl-6, 12-dihydroindeno [1, 2-b]-2-yl} phenyl} propan-2-yl} oxy}-2-{{7-{4-[(3-methoxyphenyl) (4-methoxyphenyl) amino] phenyl} benzo [c] [1, 2, 5] thiadiazol-4-yl} methylene} butan-3-enitrile. The conjugated small molecule thermoelectric material provided by the invention has high solution processability, high conductivity and high power factor. T