Abstract:
마이크로 캡슐형 양자점-고분자 복합체, 상기 복합체의 제조 방법, 상기 복합체를 포함하는 광학요소, 및 상기 광학요소의 제조방법을 제공한다. 상기 마이크로 캡슐형 양자점-고분자 복합체를 제조하기 위해, 먼저 측쇄에 극성작용기를 갖는 고분자를 제1 용매 중에서 가열하여 고분자 용액을 형성한다. 제2 용매 내에 캡핑층에 의해 캡핑된 양자점들이 분산된 양자점 분산액을 상기 고분자 용액 내에 첨가하여 혼합액을 형성한다. 상기 혼합액을 냉각시켜 고분자 매트릭스 내에 상기 양자점들이 분산된 양자점-고분자 복합체를 형성한다.
Abstract:
PURPOSE: A manufacturing method of a micro capsule type quantum dot-polymer is provided to provide a quantum dot-polymer composite having excellent quantum dot dispersity and capable of stably maintaining quantum efficiency for long term. CONSTITUTION: A manufacturing method of a micro capsule type quantum dot-polymer comprises a step of forming a polymer solution by heating a first polymer having a polar functional group in a side chain and a second polymer with a higher molecular weight than that of the first polymer, in a first solvent (S13); a step of forming a mixture by adding a quantum dot dispersion in which quantum dots capped by a capping layer in a second solvent into the polymer solution(S17); and a step of forming a quantum dot-polymer composite in which the quantum dots are dispersed in a polymer matrix by cooling the mixture (S19). [Reference numerals] (S11) Preparing a polymer having a polar functional group in a side chain and a polymer with a higher molecular weight; (S13) Forming a polymer solution by heating the polymer having a polar functional group in a side chain and the polymer with a higher molecular weight than that of the first polymer, in a first solvent; (S15) Preparing a quantum dot dispersion in which quantum dots capped by a capping layer in a second solvent in a second solvent; (S17) Forming a mixture by adding a quantum dot dispersion in the polymer solution; (S19) Forming a quantum dot-polymer composite by cooling the mixture
Abstract:
무기물질로 패시베이션된 마이크로 캡슐형 양자점-고분자 복합체, 상기 복합체의 제조 방법, 상기 복합체를 포함하는 광학요소, 및 상기 광학요소의 제조방법을 제공한다. 상기 마이크로 캡슐형 양자점-고분자 복합체를 제조하기 위해, 먼저 측쇄에 극성작용기를 갖는 고분자를 제1 용매 중에서 가열하여 고분자 용액을 형성한다. 제2 용매 내에 캡핑층에 의해 캡핑된 양자점들이 분산된 양자점 분산액을 상기 고분자 용액 내에 첨가하여 혼합액을 형성한다. 상기 혼합액을 냉각시켜 고분자 매트릭스 내에 상기 양자점들이 분산된 양자점-고분자 복합체를 형성한다. 상기 양자점-고분자 복합체의 표면을 무기물질로 패시베이션한다.
Abstract:
PURPOSE: A manufacturing method of a microcapsule type-type quantum dot-polymer composite provides a micro-type quantum dot-polymer composite which has excellent quantum dot dispersity and maintains quantum efficiency for long term. CONSTITUTION: A manufacturing method of a microcapsule type-type quantum dot-polymer composite comprises a step of forming a polymer solution by heating a polymer with a polar functional group on the side chain, in a first solvent (S13); a step of forming a mixture solution by adding a quantum dot dispersion in which quantum dots capped by a capping layer are dispersed into a second solvent and forming a mixture solution (S17); and a step of forming a quantum dot-polymer composite in which the quantum dots are dispersed in a polymer matrix by cooling the mixture solution (S19); a step of conducting a passivation with inorganic material on the surface of the quantum dot-polymer composite. [Reference numerals] (S11) Preparing a polymer a polar functional group on a side chain; (S13) Forming a polymer solution by heating the polymer with a polar functional group on the side chain, in a first solvent; (S15) Preparing a quantum dot dispersion in which quantum dots capped by a capping layer are dispersed into a second solvent; (S17) Forming a mixture solution by adding the quantum dot dispersion in the polymer solution; (S19) Forming a quantum dot-polymer composite by cooling the mixture solution; (S21) Conducting a passivation with inorganic material on the surface of the quantum dot-polymer composite