Mixing Does the Magic: A Rapid Synthesis of High Surface Area Noble Metal Nanosponges Showing Broadband Nonlinear Optical Response

Here we report an instantaneous formation of high surface area metal nanosponges through a one-step inexpensive method in a completely green solvent, water. Merely by optimizing the concentration of the precursors and the reducing agent, we were able to generate a three-dimensional porous structure...

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Bibliographic Details
Published in:ACS nano 2010-05, Vol.4 (5), p.2681-2688
Main Authors: Krishna, Katla Sai, Sandeep, C. S. Suchand, Philip, Reji, Eswaramoorthy, Muthusamy
Format: Article
Language:English
Subjects:
Adsorption
Anti-Bacterial Agents - chemistry
Anti-Bacterial Agents - pharmacology
Escherichia coli - drug effects
Kinetics
Metal Nanoparticles - chemistry
Metals - chemistry
Metals - pharmacology
Nitrogen - chemistry
Nonlinear Dynamics
Optical Phenomena
Spectrophotometry, Ultraviolet
Surface Properties
X-Ray Diffraction
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Summary:Here we report an instantaneous formation of high surface area metal nanosponges through a one-step inexpensive method in a completely green solvent, water. Merely by optimizing the concentration of the precursors and the reducing agent, we were able to generate a three-dimensional porous structure made up of nanowire networks. This is a general process, involves a simple, room temperature reduction of metal salts with sodium borohydride, and is therefore scalable to any amount. Further, these nanoporous metals because of their network structures show optical limiting behavior of a true broadband nature that would find applications in optoelectronic nanodevices.
ISSN:1936-0851
1936-086X
DOI:10.1021/nn100320s