Silver nanoshells: variations in morphologies and optical properties

Article Abstract:

The production of silica core-silver nanoparticles by using different chemical methods like the methods of Danscher, Burry and Zsigmondy is described, where each method helps in producing a silver outer layer with a unique morphology. Results indicate that the reduction of silver on the nanometer scale depends on the chemical stabilizers and the pH of the reaction involved.

Optical properties, Wavelength

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Ab initio frequency calculations of pyridine adsorbed on an adatom model of a SERS active site of a silver surface

Article Abstract:

Ab-initio and Urey-Bradley calculations of normal modes are carried out to examine the frequency shifts observed on the SERS spectrum of pyridine obtained on an Ag surface. The conclusion states that all calculations are consistent with an edge-on interaction between pyridine and the electrode surface and an Ag (super +) species as part of the surface active site.

Industrial Organic Chemicals, Cyclic Crude and Intermediate Manufacturing, Pyridine

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