Conjugated polymer containing 1,2,3 triazol isobenzazole-5,7(2H,6H)-dione as well as preparation method and application of conjugated polymer

Abstract

The invention discloses a conjugated polymer containing 1,2,3 triazol isobenzazole-5,7(2H,6H)-dione as well as a preparation method and an application of the conjugated polymer and belongs to the field of polymers applied to photoelectric materials and devices. The preparation method comprises the following steps: an electron donor unit D and a 2,6-R,R1-[1,2,3]triazol[4,5-f] isobenzazole-4,8-Ar1,Ar2-5,7(2H,6H)-dione monomer are subjected to still coupling copolymerization, and the conjugated polymer containing 1,2,3 triazol isobenzazole-5,7(2H,6H)-dione is obtained. The prepared conjugated polymer has fluorescence, has a wider absorption peak for sunlight and can be used for manufacturing active layers of a polymer light emitting diode device, a polymer field effect transistor and a polymer solar cell.

Description

technical field

[0001] The invention relates to the field of polymers applied to optoelectronic materials and devices, in particular to a conjugated polymer containing 1,2,3 triazoloisoindole-5,7(2H,6H)-dione and its preparation method with application. Background technique

[0002] Solar energy is a green and renewable resource. There are many types of active layer materials for organic solar cells and the chemical structure of organic molecules is easy to modify. The preparation and purification of compounds is simple and easy. It can be made into large-area flexible thin-film devices and has future cost advantages. and wide distribution of resources. Organic solar cells can be prepared as films, and can be fabricated to form flexible solar cells on rollable and foldable substrates. Organic solar cells have the advantages of large manufacturing area, low cost, simplicity, and flexibility. Therefore, it has great commercial development and application prospects. However...

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