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  • 09월 06일 15시 이후 : 초록수정 불가능, 일정확인 및 검색만 가능

제112회 대한화학회 학술발표회, 총회 및 기기전시회 안내 Thermal behavior of surface plasmon resonance in dynamic suprastructure multilayer

등록일
2013년 9월 5일 17시 34분 38초
접수번호
1461
발표코드
MAT.P-1120 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
10월 16일 (수요일) 16:00~19:00
발표형식
포스터
발표분야
재료화학
저자 및
공동저자
TRAN VAN TAN, 이재범1,*
부산대학교 나노융합기술, Korea
1부산대학교 나노메디컬공학과, Korea
Delicate thermodynamic control at confined space has been of importance in recent nano/micro-plasmonic sensing to be more accurate and to use lower quantity of specimens than conventional devices. In our study, experimental and computational study on thermal behavior of surface plasmon resonance (SPR) was carried out using various sizes of Au nanoparticles (NPs; 4, 18, and 57 nm) and thermo-reversible polymer, poly(N-isopropylacrylamide) (PNIPAm) on SPR chip. It was interesting that SPR angle shift on temperature was dependent on NP sizes, where the smaller size the better sensitive. It is probable that both plasmonic interaction and polymer dynamicity were collaboratively affected and presumably the latter dominated in the thermal monitoring of SPR signals. The simulations clearly indicated that the interaction between the Au NPs and polymers was strengthened by increasing temperature and NP sizes, resulting in decreasing sensitivity. These results are supportive to develop further accurate devices using plasmonics and polymer dynamics, such as plasmonic sensing devices, thermo-actuators, hybrid organic solar cell, and flexible display.

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