초록
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· 본 연구의 수행을 통해서 90°이상으로 배향된 200nm이하의 직경을 가지는 Keratin/PVA섬유 소재를 제조함. 또한 섬유 substrate 표면을 개질하여 85%의 투과율을 가지면서 40Ω/sq의 면저항을 가지는 유연 투명...

· 본 연구의 수행을 통해서 90°이상으로 배향된 200nm이하의 직경을 가지는 Keratin/PVA섬유 소재를 제조함. 또한 섬유 substrate 표면을 개질하여 85%의 투과율을 가지면서 40Ω/sq의 면저항을 가지는 유연 투명나노섬유 substrate의 개발에 성공함.

· 본 연구를 통해 AgNF Nanotrough 네트워크 구조체를 제조하였으며, 광개시제 고분자에 전사/함침하여 유연전자소자를 제조함.

· 제조된 소자는 2mm의 곡률반경으로 10,000회의 굽힘 실험을 진행하여도 초기 면저항 대비 3%미만의 성능저하는 나타냄. 결과적으로 85%의 투명성을 가지면서 1.5Ω/sq의 면저항을 나타내는 AgNF/NOA63 유연전자 소자를 개발함.

· 제조된 하이브리드 3차원 나노네트워크 구조체는 고분자 발광 다이오드 (PEL), 발열체, 유연전극으로의 적용가능성을 확인함.

(출처 : 요약서 3p)

Abstract
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Purpose
The final goal of the research is to develop the foldable electrode with high efficient, transparent, and durability fo...

Purpose
The final goal of the research is to develop the foldable electrode with high efficient, transparent, and durability for energy storage and conversion applications using various nanomaterials such as conducting polymeric nano fabric, metal nanotrough network, graphene and carbon nanotubes. Various materials and fabrication technologies for electrode will be investigated for wearable devices. The optimization of hybrid nanostructures for high performance electrode for a specific application will be performed. The basic core and application technologies for the transparent foldable electrode which has the sheet resistance of <3Ω/sq at the 90% transmission and more than 1,000 times bendability at less than 3 mm bending curvature will be established.

contents
1) Research on Nano-network structure based electrode materials and manufacturing process
◦Synthesis of Polymeric Nanofibers substrate for nano-network structure
◦Research on synthesis of 2D or 3D network of graphene/carbon nanotube
◦Research on synthesis of metal nanotrough network structure
◦Technological research on graphene-CNTs, graphene-metal nano hybrid structure
◦Development of evaluation technology & core-technology for high-efficiency energy storage/conversion electrode

2) Manufacture and research on performance of conductive transparent nanofiber fabric material and electrode in Alignment
◦Development of transparent nanofiber aligning technology and development of its application

◦Development of manufacturing technology of transparent fibered textile

◦Development of manufacturing technology electro-conductive transparent fibered textile by Layer-by-layer self-assembly method.

◦Research on Development of stretchable and foldable transparent electrode material and its properties

3) Study on development and device application of organic/inorganic self-assembly character based transparent electrode
◦Study on dispersion&controlling technology of CNT & graphene hybrid material

◦Study on alignment technology and alignment optimization of CNT&graphene

◦Development evaluation technology and application of hybrid material of large-scale transparent electrode

◦Study on Fabrication and performance of display device using high efficient electrode prototype

◦Study on product applied technology through optimization of transparent electrode and its device

Devreelosupletms ent
1) Study on performance evaluation of nanonetwork structure and hybrid 3D nanonetwork structure
◦The surface resistance is changed less than 1.0% at more 10,000 times bending test.

◦Ag nanotubes have at least 85% transmittance with the sheet resistance less than 6 Ω/sq, depending on the density of the network.

2) Study on improved transparency and conductivity of organic nanofiber fabric
◦Realization of RGB using a specific wavelength of the C-dots
◦Production of transparent nanofiber with a 15 MPa of strength and flexibility

3)Research on surface nano-coating of conducting electrode by LbL self-assembly method
◦Manufacturation of flexible transparent nanofiber composite with light transmittance more than 90%
◦Establishing the production conditions of the nonwoven fabric of nylon nanofibers which are processed with AgNWs

4)Study on manufacture technology of embedded metal nanowire/CNT hybrid electrode

Expected Contribution
- Obtaining Original technology Novel High-Efficient Foldable Transparent Electrode using Nanonetwork structure

- Performing comprehensive research, from fundamental study on Novel electrode to application technology, make a great contribution to the industrial progression in the fields of wearable device, foldable transparent device, and energy storage/conversion device.

- Training top-level human resources who obtained the cutting-edge knowledge in the fields of electronic engineering, physics, polymer technology, Material engineering, etc. and simultaneously providing the customized technologies needed in Industries.

(출처 : SUMMARY 5p)

목차
Contents
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• 표지 ... 1
• 제 출 문 ... 2
• 보고서 요약서 ... 3
• 요 약 문 ... 4
• SUMMARY ... 5
• 목차 ... 6
• 1. 연구개발 목표 및 내용 ... 7
• 가. 최종 목표 ... 7
• 나. 단계목표(당초 목표 및 수정․보완 목표) ... 7
• 다. 당초 목표의 수정․보완(중요 연구변경) 사유 ... 8
• 라. 1단계 연차별 연구목표 및 내용 ... 8
• 2. 연구 추진전략 및 방법 ... 8
• 3. 주요 연구개발 결과 ... 11
• 가. 목표달성도 ... 11
• 나. 대표적 연구업적 ... 53
• 다. 기타 연구성과 ... 53
• 4. 연구수행에 따른 문제점 및 개선방향 ... 54
• 5. 연구개발성과 현황 ... 54
• 6. 국가과학기술종합정보시스템에 등록한 연구시설·장비 현황 ... 80
• 7. 기타사항 ... 80
• 끝페이지 ... 81

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