Deposition of palladium nanoparticles on the pore walls of anodic alumina using sequential electroless deposition

Journal Article · Mon Nov 01 00:00:00 EST 2004 · Journal of Applied Physics

DOI:https://doi.org/10.1063/1.1788843· OSTI ID:20662152

Johansson, A; Lu, J; Carlsson, J -O; Boman, M ^[1]

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1. Department of Materials Chemistry, Angstroem Laboratory, Uppsala University, Box 538, SE-751 21 Uppsala (Sweden)

Palladium nanoparticles were deposited using a sequential electroless deposition technique on the pore walls of nanoporous anodic alumina. For the particle deposition a Pd(NH{sub 3}){sub 4}{sup 2+} solution was soaked in the alumina membrane and a heated air flow was applied in order to reduce the palladium complex to palladium metal nanoparticles. By repeating the deposition process the size of the nanoparticles could be tailored in this investigation between 6 and 11 nm. The size of the nanoparticles was also affected by the concentration of the Pd(NH{sub 3}){sub 4}{sup 2+} solution, i.e., higher concentration yielded larger particle mean diameters. The samples were investigated using high resolution scanning electron microscopy, x-ray diffraction (XRD), inductively coupled plasma with a mass spectrometer, high resolution transmission electron microscopy, and energy dispersive spectroscopy (EDS). Analysis revealed narrow size distributions of the particles as well as uniform particle coverage of the pore walls. No by-products were observed with EDS, and with the XRD analysis the metallic palladium crystallinity was confirmed.

• OSTI ID: 20662152
• Journal Information: Journal of Applied Physics, Vol. 96, Issue 9; Other Information: DOI: 10.1063/1.1788843; (c) 2004 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0021-8979
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
AIR FLOW
ALUMINIUM OXIDES
AMMONIA
CHEMICAL ANALYSIS
DEPOSITION
MASS SPECTROMETERS
MASS SPECTROSCOPY
MEMBRANES
NANOSTRUCTURES
PALLADIUM
PALLADIUM COMPOUNDS
PARTICLE SIZE
PARTICLES
PLASMA
RESOLUTION
SCANNING ELECTRON MICROSCOPY
SOLUTIONS
TRANSMISSION ELECTRON MICROSCOPY
X-RAY DIFFRACTION