用于SERS和开关的可调谐等离子体纳米复合材料

CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference Pub Date : 2009-06-14 DOI:10.1109/CLEOE-EQEC.2009.5191978

Y. Mishra, S. Jebril, D. Agarwal, S. Mohapatra, R. Singhal, D. Avasthi, R. Adelung

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引用次数: 0

摘要

本文主要研究了金氧化锌纳米复合材料的合成、性能及其应用。采用原子束共溅射和顺序退火法制备了Au-ZnO纳米复合材料。光学吸收研究揭示了金纳米粒子表面等离子体共振的可调谐特性。高分辨透射电镜证实，超过共晶温度的退火可以形成由ZnO纳米棒支撑的au纳米颗粒。利用Au-ZnO纳米复合材料研究了富勒烯分子(C70)的表面增强拉曼光谱。Au-ZnO具有优异的开关性能，使其在日常生活中具有潜在的用途。

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Au-ZnO: A tunable plasmonic nanocomposite for SERS and switching

In present work we focus on synthesis and properties of Au-ZnO nanocomposite and demonstrate its applications. Au-ZnO nanocomposites were synthesized by atom beam co-sputtering and sequential annealing. Optical absorption studies revealed the tunable surface plasmon resonance of gold nanoparticles. Annealing beyond eutectic temperature resulted in formation of Au-nanoparticles supported by ZnO nanorods as confirmed by high resolution transmission electron microscopy. Au-ZnO nanocomposite was used to study the surface enhanced Raman spectroscopy in fullerene molecule (C70). The Au-ZnO exhibits excellent switching behaviour enabling its potential use in day-today life.

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CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference

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