Size-controlled Pd nanocluster grown by plasma gas-condensation method

Syntheses of palladium (Pd) nanoclusters by sputtering gas-condensation technique are reported in this work. The Pd nanocluster size distribution and number of nanoclusters are found to depend on several factors which include the inert gas flow rate ( f ), sputtering discharge power, and growth regi...

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Bibliographic Details
Published in:Journal of nanoparticle research : an interdisciplinary forum for nanoscale science and technology 2011-03, Vol.13 (3), p.1125-1131
Main Authors: Ayesh, A. I., Thaker, S., Qamhieh, N., Ghamlouche, H.
Format: Article
Language:English
Subjects:
Characterization and Evaluation of Materials
Chemistry and Materials Science
Discharge
Flow rates
Gas flow
Inert
Inorganic Chemistry
Lasers
Materials Science
Nanocomposites
Nanomaterials
Nanoparticles
Nanostructure
Nanotechnology
Optical Devices
Optics
Palladium
Photonics
Physical Chemistry
Research Paper
Sputtering
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Summary:Syntheses of palladium (Pd) nanoclusters by sputtering gas-condensation technique are reported in this work. The Pd nanocluster size distribution and number of nanoclusters are found to depend on several factors which include the inert gas flow rate ( f ), sputtering discharge power, and growth region length. The discharge power and the length of the growth region are optimized to produce high nanocluster yield. It is found that low f produces small number of large nanoclusters which can be attributed to the formation of nanoclusters via the two-body collision mechanism. For high f , nanocluster size decreases and the number of nanocluster increases with f . This phenomenon can be assigned to nanocluster formation through three-body collision mechanism.
ISSN:1388-0764
1572-896X
DOI:10.1007/s11051-010-0104-2