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제114회 대한화학회 학술발표회, 총회 및 기기전시회 안내 Synthesis and characterization of silver nanoparticles with complex shapes for SERS applications

등록일
2014년 8월 28일 14시 30분 35초
접수번호
0991
발표코드
PHYS.P-420 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
10월 15일 (수요일) 16:00~19:00
발표형식
포스터
발표분야
물리화학
저자 및
공동저자
이승장, 조한국, 정병서*
인천대학교 화학과, Korea
Synthesis of silver nanostructures in various morphologies has received much attention because of the shaped- and size-dependence of physicochemical, optical, and electronic properties. In this study, we prepared the silver nanoparticles of different shapes and sizes for applications to surface-enhanced Raman scattering (SERS) by controlling the concentrations and mixing ratios of the reducing agents and stabilizers, and the silver nanoparticles with highly roughened surfaces were characterized by scanning electron microscopy (SEM) and dark-field microscopy as well as UV/Vis absorption spectroscopy. The SERS spectra of rhodamine 6G and p-aminothiophenol were obtained using the nanoparticles synthesized as active SERS substrates, and the enhancement of SERS effects was evaluated. They were also compared with the SERS spectra in silver colloid solutions.

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