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NISCAIR PUBLICATIONS >
Research Journals >
Indian Journal of Chemistry -Section A (IJC-A) >
IJC-A Vol.50A [2011] >
IJC-A Vol.50A(09-10) [September-October 2011] >
| Title: | Ag@Pd core-shell nanoparticles |
| Authors: | Jose, Deepa
Jagirdar, Balaji R |
| Keywords: | Nanoparticles
Bimetallic nanoparticles
Colloids
Solvated metal atom dispersion
Digestive ripening
Core shell nanoparticles
Silver nanoparticles
Palladium nanoparticles
Silver colloid
Palladium colloid |
| Issue Date: | Sep-2011 |
| Publisher: | NISCAIR-CSIR, India |
| Abstract: | Colloids of silver
and palladium nanoparticles have been prepared by the Solvated Metal Atom
Dispersion method. The as-prepared Ag colloid consisting of polydisperse
nanoparticles is transformed into a monodisperse colloid by the digestive
ripening process which involves refluxing the as-prepared colloid in the
presence of a surfactant. In addition to the monodisperse nanoparticles, a
small amount of an Ag-thiolate complex is also formed. Refluxing a mixture of
the
as-prepared Ag and Pd colloids results in Ag@Pd core–shell nanoparticles. The
core-shell structure has been established using a combination of techniques
such as UV-visible spectroscopy, high resolution electron microscopy, energy
filtered electron microscopy, energy dispersive X-ray analysis, high angle annular
dark field imaging and powder X-ray diffraction. |
| Page(s): | 1308-1317 |
| CC License: |  CC Attribution-Noncommercial-No Derivative Works 2.5 India |
| ISSN: | 0975-0975(Online); 0376-4710(Print) |
| Source: | IJC-A Vol.50A(09-10) [September-October 2011]
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