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학위논문
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최범순 (단국대학교, 단국대학교 대학원)

지도교수
이동현
발행연도
2018
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단국대학교 논문은 저작권에 의해 보호받습니다.

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이 논문의 연구 히스토리 (2)

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본 연구에서는 전도성 구리 층을 형성하기 위한 고체상태의 구리 전구체 잉크를 제조하였다. 복합체 형성을 위한 구리 전구체와 알킬아민, 점도 조절 을 위한 톨루엔, 그리고 고체상태를 유지하기 위하여 파라핀 왁스를 사용하 였다. 시간에 따라 구리 전구체-알킬아민 복합체가 분해되어 상분리가 일어 나는 기존의 액체상태 잉크와 달리 고체상태 잉크는 구리 전구체-알킬아민 복합체가 분해되지 않고 오랜 시간 유지 및 보관 가능하다는 결과를 적외선 분광법(infrared spectroscopy, IR)을 통해 확인하였다. 잉크의 전기적 특성을 확인하기 위하여 150°C~200°C의 온도 구간에서 1분~30분 동안 소결하고 probe station과 4-probe로 I-V curves 및 면저항을 측정하여 잉크의 전기적 특성을 확인하였다. 잉크의 가공성을 확인하기 위하여 탄소 수에 따른 파라 핀 왁스들의 용융점, 열분해온도, 및 점도 등의 물성을 각각 시차 주사 열량 측정법(differential scanning calorimetry, DSC)과 열중량 분석(thermogravimetric analysis, TGA)을 측정하여 잉크의 물리적 특성을 확인 하였다. 끝으로, 제조된 잉크를 인쇄공정을 통한 패턴제조에 응용하기 위하 여 고분자 기판에 구리패턴을 제조하여 굽힘 시험을 통해 유연 전극으로서 의 활용성을 확인하였다.

목차

I. 서론················································································································1
II. 실험··················································································································3
1. 구리 전구체-알킬아민 복합체 기반의 잉크 제조································3
1) 재료···········································································································3
2) 구리 전구체-알킬아민 복합체 기반의 액체 잉크 제조·················3
3) 파라핀 왁스를 사용한 잉크 안정화 ·················································6
2. 인쇄 공정을 위한 잉크의 특성 분석·····················································9
1) 잉크의 열적 특성 분석·········································································9
2) 잉크의 저장성 분석···············································································9
3. 구리 전기전도층의 특성 분석·······························································13
1) 시간에 따른 전기 전도층의 특성 분석···········································13
2) 소결 조건에 따른 전기 전도층의 표면 및 면저항 분석·············13
3) 유연 전극 제조·····················································································15
III. 결과 및 고찰······························································································19
1. 잉크의 열적 특성 및 저장성·································································19
2. 시간에 따른 구리 전기전도층의 변화·················································26
3. 소결온도 및 소결시간에 따른 구리 전기전도층의 변화·················26
4. 유연 전극의 반복된 물리적 변형에 따른 변화·································32
IV. 결론··············································································································37
참고문헌 ············································································································· 38
영문요약 ············································································································· 40

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