Full metadata
Title
Synthesis, characterization and electrochemical hydrogen insertion in ATP capped palladium nanoparticles
Description
Water-soluble, adenosine triphosphate (ATP)-stabilized palladium nanoparticles have been synthesized by reduction of palladium salt in the presence of excess ATP. They have been characterized by electron microscopy, energy dispersive X-ray spectroscopy, ultraviolet-visible (UV-Vis) spectroscopy, and X-ray diffraction in order to determine particle size, shape, composition and crystal structure. The particles were then subsequently attached to a glassy carbon electrode (GCE) in order to explore their electrochemical properties with regard to hydrogen insertion in 1 M sodium hydroxide. The particles were found to be in the size range 2.5 to 4 nm with good size dispersion. The ATP capping ligand allowed the particles to be air-stable and re-dissolved without agglomeration. It was found that the NPs could be firmly attached to the working electrode via cycling the voltage repeatedly in a NP/phosphate solution. Further electrochemical experiments were conducted to investigate the adsorption and absorption of hydrogen in the NPs in 1 M sodium hydroxide. Results for cyclic voltammetry experiments were consistent with those for nanostructured and thin-film palladium in basic solution. Absorbed hydrogen content was analyzed as a function of potential. The maximum hydrogen:Pd ratio was found to be ~0.7, close the theoretical maximum value for β phase palladium hydride.
Date Created
2013
Contributors
- Lamb, Timothy (Author)
- Buttry, Daniel A (Thesis advisor)
- Yarger, Jeffery (Committee member)
- Ros, Alexandra (Committee member)
- Arizona State University (Publisher)
Topical Subject
Resource Type
Extent
vii, 55 p. : ill. (some col.)
Language
Copyright Statement
In Copyright
Primary Member of
Peer-reviewed
No
Open Access
No
Handle
https://hdl.handle.net/2286/R.I.20996
Statement of Responsibility
by Timothy Lamb
Description Source
Retrieved on March 20, 2014
Level of coding
full
Note
Partial requirement for: M.S., Arizona State University, 2013
Note type
thesis
Includes bibliographical references (p. 45-54)
Note type
bibliography
Field of study: Chemistry
System Created
- 2014-01-31 11:37:20
System Modified
- 2021-08-30 01:36:34
- 2 years 8 months ago
Additional Formats