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New progress of plasmonics in complex metal nanostructures 被引量:4

New progress of plasmonics in complex metal nanostructures
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摘要 Noble metal nanostructures possess novel optical properties because of their collective electronic oscillations, known as sur- face plasmons (SPs). The resonance of SPs strongly depends on the material, surrounding environment, as well as the geome- try of the nanostructures. Complex metal nanostructures have attracted research interest because of the degree of freedom in tailoring the plasmonic properties for more advanced applications that are unattainable by simple ones. In this review, we dis- cuss the plasmonic properties of several typical types of complex metal nanostructures, that is, electromagnefically coupled nanoparticles (NPs), NPs/metal films, NPs/nanowires (NWs), NWs/NWs, and metal nanostructures supported or coated by di- electrics. The electromagnetic field enhancement and surface-enhanced Raman scattering applications are mainly discussed in the NPs systems where localized SPs have a key role. Propagating surface plasmon polaritons and relevant applications in plasmonic routers and logic gates using NWs network are also reviewed. The effect of dielectric substrates and surroundings of metal nanostructures to the plasmonic properties is also discussed. Noble metal nanostructures possess novel optical properties because of their collective electronic oscillations,known as surface plasmons(SPs).The resonance of SPs strongly depends on the material,surrounding environment,as well as the geometry of the nanostructures.Complex metal nanostructures have attracted research interest because of the degree of freedom in tailoring the plasmonic properties for more advanced applications that are unattainable by simple ones.In this review,we discuss the plasmonic properties of several typical types of complex metal nanostructures,that is,electromagnetically coupled nanoparticles(NPs),NPs/metal films,NPs/nanowires(NWs),NWs/NWs,and metal nanostructures supported or coated by dielectrics.The electromagnetic field enhancement and surface-enhanced Raman scattering applications are mainly discussed in the NPs systems where localized SPs have a key role.Propagating surface plasmon polaritons and relevant applications in plasmonic routers and logic gates using NWs network are also reviewed.The effect of dielectric substrates and surroundings of metal nanostructures to the plasmonic properties is also discussed.
出处 《Science China(Physics,Mechanics & Astronomy)》 SCIE EI CAS 2013年第12期2327-2336,共10页 中国科学:物理学、力学、天文学(英文版)
基金 supported by the Ministry of Science and Technology of China(Grant Nos.2009CB930700 and 2012YQ12006005) the National Natural Science Foundation of China(Grant Nos.11134013 and11227407) the Knowledge Innovative Program of the Chinese Academy of Sciences(Grant No.KJCX2-EW-W04)
关键词 surface plasmons complex metal nanostructures SERS plasmonic router logic gates Fano resonance 表面等离子体激元 纳米结构 贵金属 表面增强拉曼散射 表面等离激元 纳米粒子 纳米线 SPS
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