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NTIS 바로가기세라미스트 = Ceramist, v.20 no.3, 2017년, pp.115 - 124
이동훈 (고려대학교 KU-KIST 융합대학원) , 이철호 (고려대학교 KU-KIST 융합대학원)
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핵심어 | 질문 | 논문에서 추출한 답변 |
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그래핀을 처음 발견한 방법은 무엇인가? | 이러한 결합 특성으로 인해 층간의 분리가 용이하여 면적은 수 μm2 에서부터 수 mm2 이상까지 크고 두께는 원자수준의 얇은 물질로 존재할 수 있다. 2004년에 테이프를 이용한 기계적 박리법(mechanical exfoliation)으로 영국 맨체스터대학에서 처음으로 대표적인 2차원 물질인 그래핀(graphene)을 발견한 이래로 세계 우수 연구진들에 의해 그래핀의 차세대 전자소자로의 응용가능성에 대한 많은 연구들이 진행되어 왔다.1) | |
2차원 물질의 결합 특성으로 인한 결과는? | 2차원 물질은 평면 방향으로는 강한 공유결합(covalent bond)으로 이루어져 있으며 수직 방향으로는 약한 반데르발스(van der Waals)결합으로 이루어져 있는 층상 구조를 공통적으로 가지고 있다. 이러한 결합 특성으로 인해 층간의 분리가 용이하여 면적은 수 μm2 에서부터 수 mm2 이상까지 크고 두께는 원자수준의 얇은 물질로 존재할 수 있다. 2004년에 테이프를 이용한 기계적 박리법(mechanical exfoliation)으로 영국 맨체스터대학에서 처음으로 대표적인 2차원 물질인 그래핀(graphene)을 발견한 이래로 세계 우수 연구진들에 의해 그래핀의 차세대 전자소자로의 응용가능성에 대한 많은 연구들이 진행되어 왔다. | |
반데르발스 이종구조 제작을 위해 가장 많이 사용되는 방법은 무엇인가? | 반데르발스 이종구조 제작을 위해 현재까지 가장 많이 사용되고 있는 방법은 습식전사(wet-transfer)법이다. (Fig. |
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