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제109회 대한화학회 학술발표회, 총회 및 기기전시회 안내 Successive Seed-Mediated Growth of Ag Nanoplates on a Solid Substrate for Development of Surface-Enhanced Raman Scattering Platform

등록일
2012년 2월 23일 14시 55분 12초
접수번호
1441
발표코드
MAT.P-1195 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
4월 25일 (수요일) 18:00~21:00
발표형식
포스터
발표분야
재료화학
저자 및
공동저자
김영관, 민달희1
KAIST 화학과, Korea
1서울대학교 화학과, Korea
The metal nanostructures have attracted much research attention because of their unique opto-electrical properties such as surface Plasmon resonance (SPR) and surface enhanced Raman scattering (SERS). Their unique properties were successfully controlled by tailoring their structures and harnessed to devise highly sensitive biosensor and imaging tool. Therefore, it is one of the important issues that the development of an appropriate synthetic strategy of metal nanostructures with structural diversity. In this study, we have developed a strategy for the direct growth of Ag nanoplates on a solid substrate by using seed-mediated growth approach. The synthesized Ag nanoplates were further grown by simply repeating seed-mediated growth under the same synthetic condition. Based on the present strategy, the size and surface density of grown Ag nanoplates were increased with repeated growth, thus, the SPR band of synthesized Ag nanoplate grown substrates was changed according to their structural development during repeated successive growth cycles. The resulting Ag nanoplate grown substrates showed excellent performance as a SERS platform. We believe that the present strategy will be an important addition to the fabrication of SERS-based sensing platform with high sensitivity and reproducibility because of cost-effectiveness and simple fabrication processes with exellent performance.

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