Provided are a perovskite light emitting device containing an exciton buffer layer, and a method for manufacturing the same. The light emitting device of the present invention comprises: an exciton buffer layer in which a first electrode, a conductive layer disposed on the first electrode and comprising a conductive material, and a surface buffer layer containing fluorine-based material having lower surface energy than the conductive material are sequentially deposited; a light-emitting layer disposed on the exciton buffer layer and containing an organic-inorganic hybrid perovskite light emitting body; and a second electrode disposed on the light-emitting layer. Accordingly, an organic-inorganic hybrid perovskite is formed with a combined FCC and BSS crystal structure in a nanoparticle light-emitting body; the present invention forms a lamellar structure in which an organic plane and an inorganic plane are alternatively deposited; and an exciton is bound by the inorganic plane, thereby being capable of expressing high color purity.

A polybenzodifuran ladder polymer is disclosed.

Polymers comprising at least one unit of formulae ##STR00001## and compounds of the formulae ##STR00002## wherein, in formulae 1, 1′, 2 and 2′ n is 0, 1, 2, 3 or 4 m is 0, 1, 2, 3 or 4 M1 and M2 are independently of each other an aromatic or heteroaromatic monocyclic or bicyclic ring system; X is at each occurrence selected from the group consisting of O, S, Se or Te, Q is at each occurrence selected from the group consisting of C, Si or Ge R is at each occurrence selected from the group consisting of hydrogen, C.sub.1-100-alkyl, C.sub.2-100-alkenyl, C.sub.2-100-alkynyl, C.sub.5-12-cycloalkyl, C.sub.6-18-aryl, a 5 to 20 membered heteroaryl, C(O)—C.sub.1-100-alkyl, C(O)—C.sub.5-12-cycloalkyl and C(O)—OC.sub.1-100-alkyl. R.sup.2, R.sup.2′, R.sup.2″, R* are at each occurrence independently selected from the group consisting of hydrogen, C.sub.1-30-alkyl, C.sub.2-30-alkenyl, C.sub.2-30-alkynyl, C.sub.5-12-cycloalkyl, C.sub.6-18-aryl, 5 to 20 membered heteroaryl, OR.sup.21, OC(O)—R.sup.21, C(O)—OR.sup.21, C(O)—R.sup.21, NR.sup.21R.sup.22, NR.sup.21—C(O)R.sup.22, C(O)—NR.sup.21R.sup.22, N[C(O)R.sup.21][C(O)R.sup.22], SR.sup.21, halogen, CN, SiR.sup.SisR.sup.SitR.sup.Siu and OH, L.sup.1 and L.sup.2 are independently from each other and at each occurrence selected from the group consisting of C.sub.6-30-arylene, 5 to 30 membered heteroarylene, ##STR00003##

Provided is a conductor material having high conductivity. The conductor material according to an embodiment of the present disclosure has a configuration in which a conjugated polymeric compound having an electron donating group containing a heteroatom in a side chain is doped with a dopant containing an anion selected from a nitrogen anion, a boron anion, a phosphorus anion and an antimony anion, and a counter cation. The anion is preferably an anion represented by Formula (1) below: where R.sup.1 and R.sup.2 are identical or different, and each represent an electron withdrawing group; and R.sup.1 and R.sup.2 may be bonded to each other to form a ring with an adjacent nitrogen atom.

##STR00001##

A conductive ink and a conductive coating are provided. The conductive ink includes a conductive polymer solution comprising conductive polymer dissolved in an aqueous-based media and a mixture of carbon nanotubes and graphene oxide sheets dispersed in the conductive polymer solution, wherein a weight ratio of the carbon nanotubes to the graphene oxide sheets is in a range from 0.25 to 2.5. The conductive coating includes a conductive polymer and a mixture of graphene oxide sheets and carbon nanotubes dispersed in the conductive polymer, wherein a weight ratio of the carbon nanotubes to the graphene oxide sheets is in a range from 0.25 to 2.5, and wherein the conductive coating has an optical transmittance value at 550 nm of at least 75%.

A method for manufacturing an electroconductive pattern 40, provided with: a lamination step for laminating an acid generation film 10 containing an acid proliferation agent and a photoacid generator on a polymer film 20 containing an electroconductive polymer formed on a substrate 21; a masking step for masking the top of the acid generation film 10; a light irradiation step for irradiating the laminate from the acid-generation-film 10 side; a doping step for doping the electroconductive polymer with an acid generated and proliferated in the acid generation film 10 by the light irradiation; and a releasing step for releasing the acid generation film 10 from the polymer film 20. This method makes it possible to provide an electroconductive film and a method for manufacturing an electroconductive pattern in which photoacid generation and acid proliferation effects are utilized.

The present invention relates to a polymer binder composition, and more specifically, to an integrated conductive polymer binder composition simultaneously having adhesion and conductivity, a method for preparing the binder composition, an energy storage device comprising the binder composition, a sensor comprising a sensing portion formed from the binder composition, and an anticorrosive coating composition comprising the binder composition as an active component.

An organic compound, a donor-acceptor conjugated polymer, a formulation and a thin film, wherein a solution of the donor-acceptor conjugated polymer exhibits a peak optical absorption spectrum red shift of at least 100 nm when the donor-acceptor conjugated polymer solution is cooled from 140° C. to room temperature.

A method for forming a conjugated heteroaromatic polymer is described, wherein at least one compound of formula (1) is polymerized using an acid as a catalyst, ##STR00001##
wherein X is selected from S, O, Se, Te, PR.sup.2 and NR.sup.2, Y is hydrogen (H) or a precursor of a good leaving group Y.sup.− whose conjugate acid (HY) has a pK.sub.a of less than 30, Z is hydrogen (H), silyl, or a good leaving group whose conjugate acid (HZ) has a pK.sub.a of less than 30, b is 0, 1 or 2, each R.sup.1 is a substituent, and the at least one compound of formula (1) being polymerized includes at least one compound of formula (1) with Z=H and Y≠H.

A method for preparing a conjugated polymer involves a DHAP polymerization of a 3,4-dioxythiophene, 3,4-dioxyfuran, or 3,4-dioxypyrrole and, optionally, at least one second conjugated monomer in the presence of a Pd or Ni comprising catalyst, an aprotic solvent, a carboxylic acid at a temperature in excess of 120° C. At least one of the monomers is substituted with hydrogen reactive functionalities and at least one of the monomers is substituted with a Cl, Br, and/or I. The polymerization can be carried out at temperature of 140° C. or more, and the DHAP polymerization can be carried out without a phosphine ligand or a phase transfer agent. The resulting polymer can display dispersity less than 2 and have a degree of polymerization in excess of 10.