Abstract: A conjugated polymer containing dithienopyrrole-quinoxaline, the preparation method and uses thereof are provided. The structural formula of the polymer is general formula (I) as follows: wherein, x+y=1, 0<y?0.5, n is an integer and 1<n?100, R1 is selected from C1 to C20 alkyl group, and R2 and R3 are selected from —H, C1 to C20 alkyl group, C1 to C20 alkoxyl group, alkyl-containing phenyl group, alkyl-containing fluorenyl group, or alkyl-containing carbazyl group. The polymer can be used for polymer solar cells and the like.

Abstract: The present invention relates to optoelectronic materials field, and it discloses a benzodithiophene organic semiconductive material with the following structural formula (P): wherein, x+y=2; 1?x<2, 0<y?1; 1<n?100; R1, R2 are C1-C20alkyl; R3 is selected from C1-C20alkyl; R4, R5 are hydrogen, phenyl, C1-C20 alkyl or phenyl substituted by C1-C20 alkoxy. The present invention is also provided with preparation method and use of the benzodithiophene organic semiconductive material. The benzodithiophene containing bisphenyl siloles unit has good dissolution property, high carrier mobility, strong absorbance, wide optical absorption range, and improved utilization of sunlight, and its preparation process is simple, with high yield, and easy to operate and control.

Abstract: The present invention relates to optoelectronic materials field, and it discloses a benzodithiophene organic semiconductive material with the following structural formula (P): wherein, x+y=2; 1?x<2, 0<y?1; 1<n?100; R1, R2 are C1-C20 alkyl; R3 is selected from C1-C20 alkyl; R4, R5 are hydrogen, phenyl, C1-C20 alkyl or phenyl substituted by C1-C20 alkoxy. The present invention is also provided with preparation method and use of the benzodithiophene organic semiconductive material. The benzodithiophene containing bisphenyl siloles unit has good dissolution property, high carrier mobility, strong absorbance, wide optical absorption range, and improved utilization of sunlight, and its preparation process is simple, with high yield, and easy to operate and control.

Abstract: A conjugated polymer based on benzodithiophene and thienopyrazine with the following formula is provided, Wherein x+y=2, 0<y?1, n represents an integer between 1 and 100; R1, R2 represent C1 to C20 alkyl; R3, R4 represent H, C1 to C20 alkyl, C1 to C20 alkoxy or C1 to C20 aryl. The conjugated polymer have high mobility of the carriers and excellent electrochemical reduction properties, high photoelectric conversion efficiency and a broad prospect of application in the field of photoelectric, especially in the field of polymer solar cells, organic electroluminescent device, organic field-effect transistor, organic optical storage, organic nonlinear material, organic laser materials, and so on. Method for the conjugated polymer preparation is provided too.

Abstract: A quinoxaline conjugated polymer containing fused-ring thiophene unit is disclosed, and the general formula of molecular structure thereof is formula (I). In the formula, x+y=2, 1?x<2, n is an integer and 1<n?100, R1, R2 are selected from C1˜C20 alkyl, R3, R4 are selected from —H, C1˜C20 alkyl, C1˜C20 alkoxy, benzene ring group containing alkyl or alkoxy, fluorene group containing alkyl or carbazole group containing alkyl. The polymer is useful in the fields of solar battery and the like.

Abstract: A conjugated polymer containing dithienopyrrole-quinoxaline, the preparation method and uses thereof are disclosed. The structural formula of the polymer is general formula (I) as follows: wherein, x+y=1, 0<y?0.5, n is an integer and 1<n?100, R1 is selected from C1 to C20 alkyl group, and R2 and R3 are selected from —H, C1 to C20 alkyl group, C1 to C20 alkoxyl group, alkyl-containing phenyl group, alkyl-containing fluorenyl group, or alkyl-containing carbazyl group. The polymer can be used for polymer solar cells and the like.

Abstract: A cyclopentadienedithiophene-quinoxaline conjugated polymer and a preparation method and uses thereof are disclosed. The preparation method comprises the following steps: reacting diketone compound with o-phenylenediamine compound to obtain dibromide intermediate of quinoxaline heteroarylic ring compound; carrying out Stille-type coupling reaction of the intermediate, with 2,6-di(trimethyltin)-4,4-dialkyl-cyclopentadiene[2,1-b:3,4-b?] dithiophene compound, and 2,6-dibromo-4,4-dialkyl-cyclopentadiene[2,1-b:3,4-b?] dithiophene compound to obtain the cyclopentadienedithiophene-quinoxaline conjugated polymers. The polymers may be used in the fields of polymer solar cell and the like due to good solubility, high carrier mobility and relatively strong modifiability of chemical property and chemical structure. The preparation method is simple and can be handled and controlled easily.