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  • 08월 28일 16시 이후 : 초록수정 불가능, 일정확인 및 검색만 가능

Three-dimensional Analysis of Low-Dimensional Nanostructures Using High-resolution TEM and Electron Tomography

등록일
2008년 8월 12일 11시 54분 15초
접수번호
1305
발표코드
31P185포 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
목 <발표Ⅱ>
발표형식
포스터
발표분야
물리화학
저자 및
공동저자
김한성, 조진우, 지경환, 안재평1, 박정희
고려대학교 소재화학과, Korea
1한국과학기술연구원 산업화지원센터, Korea
High-resolution transmission electron microscopy and electron tomography characterizes various three-dimensional structures of CdO, Zn2SnO4, TiO2, and CdTe low-dimensional nanocrystals. The zigzagged CdO and Zn2SnO4 nanowires consisted of linked rhombohedrons having the side edges matched to the <011> direction, and the [111] axial direction. The spiral-shaped TiO2 nanowires turn out to be zigzagged nanobelts grown along the [110] direction. We also analyzed the crystal structure of CdTe tetrapod synthesized by solvothermal methods, and found that the phase of the tetrapod branches can be tuned from wurtzite to zinc blende using the growth condition. These results would open a new field for investigating the nanostructures with high spatial resolution that could impact on the understanding of the growth mechanism and the application of nanodevices in many fields, where the crystal structure plays an important role on the final properties.

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