Triangular nanoframes and method of making same

Details Triangular nanoframes and method of making same Triangular nanoframes and method of making same

2007-08-07

2007-08-07

Wyszomierski, George (Department: 1742)

Specialized metallurgical processes, compositions for use therei

Compositions

Loose particulate mixture containing metal particles

C977S773000, C977S810000, C148S430000

Reexamination Certificate

active

10801976

ABSTRACT:
The present invention provides nanoprisms etched to generate triangular framework structures. These triangular nanoframes possess no strong surface plasmon bands in the ultraviolet or visible regions of the optical spectrum. By adding a mild reducing agent, metal ions remaining in solution can be reduced, resulting in metal plating and reformation of nanoprisms. The extent of the backfilling process can be controlled, allowing the formation of novel nanoprisms with nanopores. This back-filling process is accompanied by a regeneration of the surface plasmon bands in the UV-visible spectrum.

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Haes, A.J. et al., “A Nanoscale Optical Biosensor: Sensitivity and Selectivity of an Approach Based on the Localized Surface Plasmaon Resonance Spectroscopy of Triangular Silver Nanoparticles”, JACS Articles, 2002, vol. 124, pp. 10596-10604, published Aug. 8, 2002.

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