51results about How to "Good electron delocalization performance" patented technology

The invention discloses a perylenetetracarboxylic diimide copolymer containing a thiophenepyrrole dione unit, a preparation method thereof and an application thereof. The molecular structure of the copolymer is represented by general formula (I); and in the formula (I), n is an integer between 1 and 200, R1, R2, and R3 are selected from hydrogen, C1-C20 alkyl, C1-C20 alkyloxyphenyl, or phenyl, R4and R5 are selected from C1-C20 alkyl, and R6 is selected from C1-C20 alkyl or alkyloxy. The perylenetetracarboxylic diimide copolymer containing the thiophenepyrrole dione unit of the invention has the advantages of good solvability, high carrier mobility, strong absorbance, wide light absorption range, and improvement of the sunlight utilization rate; and the preparation method has the advantages of simple process, high yield, and easy operation and control.

The invention relates to the technical field of organic materials, and provides a copolymer comprising silafluorene and thiophene pyrroledione units. The copolymer is polymer which is expressed by a structural formula (I), wherein R1, R2 and R3 are selected from C1-C20 alkyl groups; and n is an integer of 1-100. The invention also provides a preparation method and application of the copolymer comprising the silafluorene and thiophene pyrroledione units. In the copolymer, the silafluorene and thiophene pyrroledione units are organically combined together to form an extremely strong donor-receptor structure, so that the stability of a copolymer material is favorably improved, energy band gap of the material is favorably reduced, the sunlight absorption range is expanded, and the photoelectric conversion efficiency is increased.

The invention belongs to the field of the photoelectron material, and discloses a copolymer containing thieno pyrroledione units, a preparation method, and an application thereof. The copolymer has a structure formula (I), wherein R1, R2 and R3 are alkyl containing carbon atoms of 1-20, n is an integer, and is more than 1 and less than or equal to 100, m is an integer, and is more than or equal to 1 and less than or equal to 5. Compared to the prior art, with the present invention, the alkyl is introduced to improve the solubility and the molecular weight of the product so as to achieve the spin-coating polymer or the spin-coating oligomer; the polymer formed by the thieno pyrroledione monomers and the thiophene monomers can form a strong donor-acceptor structure, such that the stability of the material is improved, the energy band gap of the material is reduced so as to increase the absorption range of the sunlight and improve the photoelectric conversion efficiency.

The invention belongs to the field of photoelectric materials, and discloses fluorene copolymer containing thiophene and thiophene-pyrrole dione units. The polymer is characterized by having a structural formula (I), wherein R1, R2 and R3 are hydrogen or C1-C20 alkyl groups; x+y is equal to 1; x is not equal to 0; y is not equal to 0; n is an integer of 1-200; and Ar is a thiophene unit-containing group. The invention also discloses a preparation method and application of the fluorene copolymer containing thiophene and thiophene-pyrrole dione units. Compared with the prior art, the alkyl group is introduced to improve the dissolubility and the molecular weight of a product, so that spin coating polymer or oligomer can be realized; the polymer consisting of monomers B1, B2 and B3 can form an extremely strong donor-receptor structure; on one hand, the stability of the material is favorably improved; on the other hand, the energy band gap of the material is favorably reduced; thus, the sunlight absorption range is expanded, and the photoelectric conversion efficiency is increased; and Suzuki reaction is an extremely mature polymerization reaction and has the advantages of high yield,mild conditions and easiness in control.

A copolymer containing benzo [1, 2-b:4, 3-b'] bithiophene-benzo-bis (benzothiadiazole) has a following structural formula: P: (shown in the Specification), wherein the R1 and R2 are alkyls from C1 to C20; the R3 and R4 are alkyls from C1-C20 or alkoxy groups from C1 to C16, and the n is an integer from 1 to 100. The energy gap of the above benzo [1, 2-b:4, 3-b'] bithiophene-benzo-bis (benzothiadiazole) copolymer is relatively narrow. The invention further provides a preparation method of the benzo [2, 1-b:3, 4-b'] bithiophene-benzo-bis (benzothiadiazole) copolymer as well as solar battery devices and organic electroluminescent devices adopting the benzo [1, 2-b:4, 3-b'] bithiophene-benzo-bis (benzothiadiazole) copolymer.

The invention relates to the technical field of organic materials and provides a copolymer containing a fluorine and thiophene pyrroledione unit. The copolymer is shown as the structural formula (1); in the formula, R1, R2 and R3 are selected from alkyls of C1 to C20; R4, R5, R6 and R7 are selected from H or alkyls of C1 to C20; x plus y is equal to 1, x is not equal to 0, and y is not equal to 0; and n is an integer of 1 to 100. The invention also provides a preparation method and application of the copolymer containing the fluorine and thiophene pyrroledione unit. The copolymer organically combines a fluorine unit, a 3,4-ethylenedioxythiophene unit, a thiophene unit and a thiophene pyrroledione unit together to form a strong donor-acceptor structure, is beneficial to improving the stability of a copolymer material, reducing the band gap of the material, expanding the sunlight absorbing range and improving the photoelectric conversion efficiency.

The invention discloses a conjugated polymer for a photovoltaic device and a preparation method for the conjugated polymer. The structural formula of the conjugated polymer is as shown in the description, wherein n is a natural number from 10 to 100; R1 is H, or an alkyl group of C1-C20, and R2 is an alkyl group of C1-C10. The conjugated polymer can be applied to organic solar cell devices, organic electroluminescent devices, organic optical storage or the like.

The invention belongs to the field of organic semiconductor materials, and discloses a copolymer containing thiophene-benzobis(benzothiadiazole), a preparation method thereof and applications thereof. The copolymer has a general structure formula as follows, wherein R1 is H or C1-C32 alkyl, R2 and R3 are the same or different C1-C32 alkyl; and n is an integer between 1 and 100. According to the copolymer, the benzobis(benzothiadiazole) is an excellent donor material. The benzobis(benzothiadiazole) has advantages of simple structure, symmetry, good electron delocalization performances, and the like, has a plane structure and is an excellent receptor material. The copolymer formed by the thiophene and the benzobis(benzothiadiazole) can form a strong electron donor-receptor structure, thus facilitating reduction of the energy band gap of a material, thereby expanding the sunlight adsorption scope and increasing the photoelectric conversion rate.

The invention belongs to the field of organic semiconductor materials, and discloses a copolymer containing dithiophenepyrrole-benzobis(benzothiadiazole), a preparation method thereof and applications thereof. The copolymer has a general structure formula as follows, wherein R1, R2 and R3 are the same or different C1-C20 alkyl; and n is an integer between 1 and 100. According to the copolymer, the benzobis(benzothiadiazole) is an excellent donor material. The benzobis(benzothiadiazole) has advantages of simple structure, symmetry, good electron delocalization performances, and the like, has a plane structure and is an excellent receptor material. The copolymer formed by the dithiophenepyrrole and the benzobis(benzothiadiazole) can form a strong electron donor-receptor structure, thus facilitating reduction of the energy band gap of a material, thereby expanding the sunlight adsorption scope and increasing the photoelectric conversion rate.

The invention provides a copolymer containing trithiophene-benzobis(benzothiadiazole). The copolymer has a formula represented in the description, wherein in the formula, the R1 and R2 individually represent a C1-C20 alkyl group, the R3 and R4 individually represent H or a C1-C20 alkyl group, and n is an integer in a range of 1 to 100. The energy gap of the copolymer containing trithiophene-benzobis(benzothiadiazole) is narrow. The invention also provides a preparation method of the copolymer containing trithiophene-benzobis(benzothiadiazole) and solar cell devices and organic electroluminescent devices containing the copolymer.

The invention discloses a conjugated polymer for organic semiconductor and a preparation method thereof. The structural formula of the conjugated polymer is represented in the description, wherein the n represents a natural number from 10 to 100, R1 represent H or a C1-C20 alkyl group, and R2 represents a C1-C10 alkyl group. The conjugated polymer can be used to produce organic solar cell devices, organic electroluminescence device, organic field effect transistor, organic laser device, and the like.

The invention relates to a bithiophene pyrrole-silolo-di(benzothiadiazole)-containing copolymer as well as a preparation method and application thereof. The copolymer has a following structural formula (described in the description), wherein n represents an integer of 1-100, and R1, R2, R3 and R4 represent C1-C20 alkyl. The copolymer has a very strong donor- receptor structure which is helpful to improve the stability of the bithiophene pyrrole-silolo-di(benzothiadiazole)-containing copolymer on the other hand and reduce the energy band gap of the bithiophene pyrrole-silolo-di(benzothiadiazole)-containing copolymer, so that the absorption range of the sunlight is extended, and the photoelectric converting efficiency is increased.

The invention provides a benzothiophene-silole-di(diazosulfide)-containing copolymer as well as preparation and application thereof. The benzothiophene-silole-di(diazosulfide)-containing copolymer is a copolymer P having a general formula as shown in the specification, wherein R1 and R2 respectively represent C1-C20 alkyl, R1 and R2 respectively represent H or C1-C20 alkyl, and n represents an integer of 1-100. The benzothiophene-silole-di(diazosulfide)-containing copolymer contains novel benzothiophene-(diazosulfide) conjugated units having high matching rates with a solar spectrum and is in a planar conjugated structure, so that the migration rate of a current carrier is high, and the energy conversion efficiency is increased; the preparation method is simple and controllable and has good application prospects in the fields of photoelectric materials including polymer solar cells, organic electroluminescence devices and the like.

The invention provides a benzothiophene-silole-di(diazosulfide)-containing copolymer as well as preparation and application thereof. The benzothiophene-silole-di(diazosulfide)-containing copolymer is a copolymer P having a general formula as shown in the specification, wherein R1 and R2 respectively represent C1-C20 alkyl, R1 and R2 respectively represent H or C1-C20 alkyl, and n represents an integer of 1-100. The benzothiophene-silole-di(diazosulfide)-containing copolymer contains novel benzothiophene-(diazosulfide) conjugated units having high matching rates with a solar spectrum and is in a planar conjugated structure, so that the migration rate of a current carrier is high, and the energy conversion efficiency is increased; the preparation method is simple and controllable and has good application prospects in the fields of photoelectric materials including polymer solar cells, organic electroluminescence devices and the like.

The invention provides a copolymer containing benzothiophene-silole di(diazosulfide) and a preparation method and application thereof. The copolymer containing benzothiophene-silole di(diazosulfide) is a copolymer P with a general formula shown in the specification, wherein R1 and R2 are C1-20 alkyl, R3 and R4 are C1-20 alkyl or C1-20 alkoxyl, and n is an integer from 1 to 100. The copolymer containing benzothiophene-silole di(diazosulfide) provided by the invention comprises a new silole di(diazosulfide) conjugating unit, has high matching rate with a solar spectrum. Meanwhile, the copolymer is in a planar conjugated structure and the carrier migration rate is high, so that the energy conversion ratio is improved. The preparation method is simple and controllable. The copolymer has a very good application prospect in the photoelectric material fields such as polymer solar batteries and organic electroluminescent apparatuses.

The invention discloses a copolymer containing bithiophene-benzobis(benzothiadiazole). The copolymer is represented by a formula, which is shown in the description; wherein in the formula, the R1 and R2 individually represent a C1-C20 alkyl group, the R3 and R4 individually represent H or C1-C20 alkyl group, and n is an integer in a range of 1 to 100. The energy gap of the copolymer is narrow. The invention also provides a preparation method of the copolymer, solar cell devices and organic electroluminescent devices using the copolymer.

The invention provides a copolymer containing 3,6-carbazole-benzobis(benzothiadiazole), a preparation method and applications thereof. The copolymer containing 3,6-carbazole-benzobis(benzothiadiazole) is represented by a formula which is represented in the description; wherein in the formula, the R1, R2 and R3 individually represent a C1-C20 alkyl group, and n is an integer in a range of 1 to 100. The energy gap of the copolymer containing 3,6-carbazole-benzobis(benzothiadiazole) is narrow.

The invention belongs to the field of an optoelectronic material, and discloses an organic semiconductor material containing a thiophene pyrrole dione unit and a preparation method and an application thereof. The organic semiconductor material is shown in Formula (I), wherein R1, R2 and R3 are C1-C20 alkyl, and n is an integer more than 1 and less than or equal to 100. Compared with the prior art, the solubility and molecular weight of the product can be improved due to introduction of alkyl to realize the spin-coating polymer or spin-coating copolymer; and the polymer formed with thiophene pyrrole diketone monomers and thienothiophene monomers can achieve a strong donor-acceptor structure, thereby helping to improve the stability of the material and reduce the energy band gap of the material, expanding the scope of sunlight absorption, and improving the optoelectronic conversion efficiency.

The invention belongs to the field of photoelectronic materials, and discloses an organic semiconductor material containing dithienothiophene and thienopyrryldiketone units, and a preparation method and application thereof. The organic semiconductor material has the following general formula (I), wherein R1, R2 and R3 are respectively a C1-C20 alkyl group, and n is a whole number which is greater than 1 and less than or equal to 100. Compared with the prior art, the alkyl group is introduced to enhance the solubility and molecular weight of the product, thereby implementing a spin coating polymer or spin coating oligomer. Since the polymer formed by the thienopyrryldiketone monomers and thienothiophene monomers can form a very strong donor-receptor structure, the stability of the material is enhanced, and the band gap of the material can be easily reduced, thereby widening the sunlight absorption range and enhancing the photoelectric conversion efficiency.

The invention belongs to the field of organic semiconductor materials, and discloses a copolymer containing 2, 7-carbazole benzo-bi(diazosulfide) and a preparation method and application thereof. The copolymer has the structural general formula shown in the specification, wherein R1, R2 and R3 respectively represent the same or different alkyl of C1-C20, and n is an integer between 1 and 100. According to the copolymer containing 2, 7-carbazole benzo-bi(diazosulfide), 2, 7-carbazole is a very excellent donor material; benzo-bi(diazosulfide) has advantages of simple and symmetrical structure and good electron delocalization performance, has a planar structure, and is a very excellent acceptor material; the copolymer formed by 2, 7-carbazole and benzo-bi(diazosulfide) has a very strong donor-acceptor structure, and is beneficial to lowering the energy band gap of materials so as to expand sunlight absorption range and improve photoelectric converting efficiency.

The invention provides a preparation method and applications of a copolymer containing 1,8-bicarbazole-benzobis(benzothiadiazole). The copolymer containing 1,8-bicarbazole-benzobis(benzothiadiazole) has a structural formula represented in the description and has a narrow energy gap, wherein in the formula, the R1, R2, and R3 all represent a C1-C20 alkyl group, and n is an integer in a range of 1 to 100.

The invention provides a copolymer containing dithieno (3,2-b:2',3'-d) thiophene-silole (2,3-b:3',2'-d) (diazosulfide) as well as a preparation method and an application of the copolymer. The copolymer provided by the invention is a copolymer P which has the general formula shown in the specification, wherein in the formula, R1 and R2 represent alkyl groups of C1 to C20; R3 and R4 represent H or alkyl groups of C1 to C20; n represents an integer between 1 and 100. The copolymer contains a new silole (2,3-b:3',2'-d) (diazosulfide) conjugation unit which has a high matching degree with solar spectrum and is of a plane conjugation structure at the same time, so that the charge carrier migration rate is high. Thus, the energy conversion efficiency is improved. A preparation method of the copolymer is simple and controllable. As a result, the copolymer provided by the invention has good application prospects in the fields of polymer solar cells, organic electroluminescent devices and other photoelectric materials.

A copolymer containing benzothiadiazole thiophene-benzo-2 (benzothiadiazole) has the following structural formula: (shown in the Specification), wherein the R1 and R2 are alkyls from C1 to C20; the R3 and R4 are H or the alkyls from C1 to C20; the n is an integer from 1 to 100. The above benzothiadiazole thiophene-benzo-2 (benzothiadiazole) copolymer has a relatively narrow energy gap. The invention further provides a preparation method of the benzothiadiazole thiophene-benzo-2 (benzothiadiazole) copolymer as well as solar battery devices and organic electroluminescent devices which adopt the benzothiadiazole thiophene-benzo-2 (benzothiadiazole) copolymer.

The invention provides a copolymer containing dibenzothiophene-silole-di(diazosulfide) as well as a preparation method and an application thereof. The copolymer containing dibenzothiophene-silole-di(diazosulfide) is a copolymer P with the general formula as shown in the specification, wherein R1 and R2 are C1-C20 alkyls, R3 is H or C1-C20 alkyls, and n is an integer between 1 and 100 in the formula. The copolymer containing the dibenzothiophene-silole-di(diazosulfide) disclosed by the invention contains a new silole-di(diazosulfide) conjugated unit, is high in matching degree with a solar spectrum, and simultaneously is in a planer conjugate structure, and high in vector migration rate, the energy conversion efficiency is improved, and the preparation method is simple and controllable, and has a good application prospect in the photoelectric material fields such as a polymer solar cell, an organic light-emitting device and the like.

The invention provides a copolymer containing benzothiophene-silole di(diazosulfide) and a preparation method and application thereof. The copolymer containing benzothiophene-silole di(diazosulfide) is a copolymer P with a general formula shown in the specification, wherein R1 and R2 are C1-20 alkyl, R3 and R4 are C1-20 alkyl or C1-20 alkoxyl, and n is an integer from 1 to 100. The copolymer containing benzothiophene-silole di(diazosulfide) provided by the invention comprises a new silole di(diazosulfide) conjugating unit, has high matching rate with a solar spectrum. Meanwhile, the copolymer is in a planar conjugated structure and the carrier migration rate is high, so that the energy conversion ratio is improved. The preparation method is simple and controllable. The copolymer has a very good application prospect in the photoelectric material fields such as polymer solar batteries and organic electroluminescent apparatuses.

The invention provides a copolymer containing dibenzothiophene-silole-di(diazosulfide) as well as a preparation method and an application thereof. The copolymer containing dibenzothiophene-silole-di(diazosulfide) is a copolymer P with the general formula as shown in the specification, wherein R1 and R2 are C1-C20 alkyls, R3 is H or C1-C20 alkyls, and n is an integer between 1 and 100 in the formula. The copolymer containing the dibenzothiophene-silole-di(diazosulfide) disclosed by the invention contains a new silole-di(diazosulfide) conjugated unit, is high in matching degree with a solar spectrum, and simultaneously is in a planer conjugate structure, and high in vector migration rate, the energy conversion efficiency is improved, and the preparation method is simple and controllable, and has a good application prospect in the photoelectric material fields such as a polymer solar cell, an organic light-emitting device and the like.

Relating to the technical field of organic materials, the invention provides a fluorene-based copolymer containing thiophene and thiophene pyrroledione units, as shown in formula (I). Specifically, R1, R2 and R3 are alkyl groups selected from C1-C20; R4, R5, R6, R7, R8 and R9 are alkyl groups selected from H or C1-C20; x+y=1, and x and y are both unequal to zero; m is an integer from 1-5; n is aninteger from 1-100. The invention also provides a preparation method of the fluorene-based copolymer containing thiophene and thiophene pyrroledione units, as well as application of the copolymer. Inthe copolymer of the invention, the fluorene unit, the thiophene unit and the thiophene pyrroledione unit are combined together organically so as to form a strong donor-acceptor structure, thus benefiting for improving the stability of the copolymer material, reducing the band gap of the material, enlarging the absorption scope of sunlight, and improving the photoelectric conversion efficiency.

A benzo [2, 1-b:3, 4-b'] bithiophene-benzo-2 (benzothiadiazole) copolymer has a following structural formula: P: (shown in the Specification), wherein the R1 and R2 are alkyls from C1 to C20; the R3 and R4 are alkyls from C1-C20 or alkoxy groups from C1 to C16, and the n is an integer from 1 to 100. The energy gap of the benzo [2, 1-b:3, 4-b'] bithiophene-benzo-2 (benzothiadiazole) copolymer is relatively narrow. The invention further provides a preparation method of the benzo [2, 1-b:3, 4-b'] bithiophene-benzo-2 (benzothiadiazole) copolymer as well as solar battery devices and organic electroluminescent devices adopting the benzo [2, 1-b:3, 4-b'] bithiophene-benzo-2 (benzothiadiazole) copolymer.

The invention provides a selenophen bithiophene-silole di (benzo thiadiazole) copolymer and its preparation and application, the selenophen bithiophene-silole di (benzo thiadiazole) copolymer is a compound P with the following general formula (shown in the specification), wherein R1 and R2 are C1-C20 alkyls, R 3 is H or C1-C20 alkyl, and n is an integer between 1-100. The selenophen bithiophene-silole di (benzo thiadiazole) copolymer contains a novel silole di (benzo thiadiazole) conjugated unit, is high in matching degree with solar spectrum, and is a plane conjugate structure, the charge carrier mobility rate is high, the energy conversion efficiency is improved, the preparation method is simple and controllable, and the selenophen bithiophene-silole di (benzo thiadiazole) copolymer has good application prospects in the fields of polymer solar cells, organic electroluminescent devices and other photoelectric materials.

The invention provides a copolymer containing 3,6-carbazole-benzobis(benzothiadiazole), a preparation method and applications thereof. The copolymer containing 3,6-carbazole-benzobis(benzothiadiazole) is represented by a formula which is represented in the description; wherein in the formula, the R1, R2 and R3 individually represent a C1-C20 alkyl group, and n is an integer in a range of 1 to 100. The energy gap of the copolymer containing 3,6-carbazole-benzobis(benzothiadiazole) is narrow.