Electrochemical Reduction of Uniformly Dispersed Pt and Ag Nanodots on Carbon Fiber Electrodes
Joint Authors
Source
Issue
Vol. 2009, Issue 2009 (31 Dec. 2009), pp.1-6, 6 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2009-12-01
Country of Publication
Egypt
No. of Pages
6
Main Subjects
Engineering Sciences and Information Technology
Chemistry
Civil Engineering
Abstract EN
Electrochemical characterization of the uniformly dispersed Pt and Ag nanodots synthesized after in situ scalable electron-beam reduction on copper grid and carbon-fiber electrode is demonstrated.
By employing plasma pretreatment to produce functional organosilicon micronetworks-based reaction sites on copper grid, the size and standard deviation of the electrochemically reduced metallic nanodots can be strictly confined.
When detuning the accelerating voltage of electron-beam from 3 to 120 kV, the reshaped nanodot diameter enlarges from 12.7±0.8 to 18.3±3.6 nm due to the gradual self-aggregation.
In comparison with sputtering method, the electroactivity of Pt nanodot covered carbon fiber electrode obtained after electron-beam reduction exhibits a larger electroactive surface (Spt) of 16.56 cm2/mg.
The electron-beam reduction provides a better dispersion of the reduced Pt nanodots based catalysts on carbon-fiber electrode, promoting the utilization efficiency of these nanoscale catalyst (defined as the ratio of electroactive to geometric area) from 2.5% to 7%.
American Psychological Association (APA)
Pai, Yi-Hao& Lin, Gong Ru. 2009. Electrochemical Reduction of Uniformly Dispersed Pt and Ag Nanodots on Carbon Fiber Electrodes. Journal of Nanomaterials،Vol. 2009, no. 2009, pp.1-6.
https://search.emarefa.net/detail/BIM-467856
Modern Language Association (MLA)
Pai, Yi-Hao& Lin, Gong Ru. Electrochemical Reduction of Uniformly Dispersed Pt and Ag Nanodots on Carbon Fiber Electrodes. Journal of Nanomaterials No. 2009 (2009), pp.1-6.
https://search.emarefa.net/detail/BIM-467856
American Medical Association (AMA)
Pai, Yi-Hao& Lin, Gong Ru. Electrochemical Reduction of Uniformly Dispersed Pt and Ag Nanodots on Carbon Fiber Electrodes. Journal of Nanomaterials. 2009. Vol. 2009, no. 2009, pp.1-6.
https://search.emarefa.net/detail/BIM-467856
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-467856