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  • 09월 04일 13시 이후 : 초록수정 불가능, 일정확인 및 검색만 가능

Vertical Epitaxial Co5Ge7 Nanowires and Nanobelts Arrays on a Thin Graphitic Layer for Flexible FED

등록일
2009년 8월 13일 20시 44분 06초
접수번호
0659
발표코드
34P93포 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
목 <발표Ⅰ>
발표형식
포스터
발표분야
물리화학
저자 및
공동저자
윤하나, 서관용, 인준호, 김봉수
KAIST 화학과, Korea
We have successfully synthesized vertically aligned single-crystalline Co5Ge7 NWs on a curved thin graphite layer as well as on a very thin graphite layer. Vertical Co5Ge7 nanobelts are also synthesized on a graphite substrate. The vertical Co5Ge7 nanobelt arrays or Co5Ge7 NW arrays have been selectively grown on a graphite substrate depending on the experimental conditions. As grown Co5Ge7 NW arrays satisfy most requirements for the ideal emitters of field emission displays (FEDs), such as sharp tips, superb electrical conductivity, thermal and chemical stability, and vertical alignment to the substrate. The vertical Co5Ge7 NW arrays showed very efficient FE properties comparable to those of CNTs because of their optimum morphology. The NW emitter arrays on the curved graphite layer could be used for future flexible FEDs. Since the crystal structure of thin HOPG is close to that of graphene layers, our results could be extended to the epitaxial growth of Co5Ge7 NWs and nanobelts on graphene.

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