Single-crystal caged gold nanorods with tunable broadband plasmon resonances. 2013

Wei Xiong, and Debabrata Sikdar, and Michael Walsh, and Kae Jye Si, and Yue Tang, and Yi Chen, and Romiza Mazid, and Matthew Weyland, and Ivan D Rukhlenko, and Joanne Etheridge, and Malin Premaratne, and Xinyong Li, and Wenlong Cheng
Key Laboratory of Industrial Ecology and Environmental Engineering and State Key Laboratory of Fine Chemical, School of Environmental Sciences and Technology, Dalian University of Technology, Dalian 116024, China.

We report on the synthesis and characterization of single-crystal caged gold nanorods (CGNRs) which exhibited broadband plasmonic resonances. Redshift of plasmon resonance can be realized by increasing the length, whereas blueshift can be achieved by increasing either the overall width of the cage or the thickness of nanocage walls.

UI MeSH Term Description Entries
D003460 Crystallization The formation of crystalline substances from solutions or melts. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) Crystalline Polymorphs,Polymorphism, Crystallization,Crystal Growth,Polymorphic Crystals,Crystal, Polymorphic,Crystalline Polymorph,Crystallization Polymorphism,Crystallization Polymorphisms,Crystals, Polymorphic,Growth, Crystal,Polymorph, Crystalline,Polymorphic Crystal,Polymorphisms, Crystallization,Polymorphs, Crystalline
D006046 Gold A yellow metallic element with the atomic symbol Au, atomic number 79, and atomic weight 197. It is used in jewelry, goldplating of other metals, as currency, and in dental restoration. Many of its clinical applications, such as ANTIRHEUMATIC AGENTS, are in the form of its salts.
D043942 Nanotubes Nanometer-sized tubes composed of various substances including carbon (CARBON NANOTUBES), boron nitride, or nickel vanadate. Nanorods,Nanorod,Nanotube
D020349 Surface Plasmon Resonance A biosensing technique in which biomolecules capable of binding to specific analytes or ligands are first immobilized on one side of a metallic film. Light is then focused on the opposite side of the film to excite the surface plasmons, that is, the oscillations of free electrons propagating along the film's surface. The refractive index of light reflecting off this surface is measured. When the immobilized biomolecules are bound by their ligands, an alteration in surface plasmons on the opposite side of the film is created which is directly proportional to the change in bound, or adsorbed, mass. Binding is measured by changes in the refractive index. The technique is used to study biomolecular interactions, such as antigen-antibody binding. Plasmon Resonance, Surface,Plasmon Resonances, Surface,Resonance, Surface Plasmon,Resonances, Surface Plasmon,Surface Plasmon Resonances

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