Organic dye molecules and nonlinear optical polymeric compounds containing chromophores
View Patent ↗Organic dye molecular materials prepared by coupling existing organic chromophore molecules to benzene or carbazole derivatives and nonlinear optical polymer compounds having polyimide repeating units coupled with the organic dye molecular material are provided. The organic dye molecular material coupled to a polymer main chain in the preparation of the nonlinear optical compound has the following: where X 1 is carbon oxygen, sulfur, nitrogen, ester (CO 2 ), or amide (CONR 1 ), where R 1 is an alky or phenyl group having 1 to 6 carbon atoms, D is an organic chromophore molecule, and n is an integer from 1 to 10.
1. An optical polymeric compound containing polyimide repeating units and organic dye molecular groups, wherein the optical polymeric compound has the following formula:
where S is an organic dye molecular group having a structure of the following formula:
where x 1 is hydrocarbon, oxygen, sulfur, nitrogen, ester (CO 2 ), or amide (CONR 1 ), where R 1 is an alkyl or phenyl group having 1 to 6 carbon atoms, D is an organic chromophore molecule selected from the group consisting of an amino-isophorone-dicyanide (AIDC) derivative and an amino-isophorone-isooxozolone (AIOX) derivative, an n is an integer from 1 to 10, and where A and B are each independently fluorocarbon-substituted or unsubstituted hydrocarbons having 1 to 4 carbon atoms, oxygen, nitrogen, or sulfur, and m is in the range of 0.01 to 1 as the ratio of the polyimide repeating units to all the repeating units of the optical polymeric compound.
2. The optical polymeric compound of claim 1 , wherein the optical polymeric compound has the following formula:
3. The optical polymeric compound of claim 1 , wherein the polyimide repeating unit contains 10-60% by weight the organic chromophore molecule D.
4. The optical polymeric compound of claim 1 , wherein the polyimide repeating unit contains at least one organic chromophore molecule selected from the group of organic chromophore molecules having the following formula (A-2) and (A-3) in which each chromophore molecule is shown as D-OH, or with a combination of the organic chromophore molecules in a predetermined ratio:
where R and R′ are each independently alkyl or phenyl groups having 1 to 10 carbon atoms, X 2 is NO 2 , a sulfonyl-substituted or unsubstituted alkyl group having 1 to 10 carbon atoms, CN, —C(CN)═C(CN) 2 , a halogen element, or a haloalkyl group, and n is an integer from 1 to 1.