Controlled electrodeposition of nanoparticulate tungsten oxide

Baeck, S. H., Jaramillo, T., Stucky, G. D. and McFarland, E. W. (2002) Controlled electrodeposition of nanoparticulate tungsten oxide. Nano Letters, 2 8: 831-834. doi:10.1021/nl025587p


Author Baeck, S. H.
Jaramillo, T.
Stucky, G. D.
McFarland, E. W.
Title Controlled electrodeposition of nanoparticulate tungsten oxide
Journal name Nano Letters   Check publisher's open access policy
ISSN 1530-6984
1530-6992
Publication date 2002-08-01
Year available 2002
Sub-type Letter to editor, brief commentary or brief communication
DOI 10.1021/nl025587p
Open Access Status Not yet assessed
Volume 2
Issue 8
Start page 831
End page 834
Total pages 4
Place of publication Washington, DC, United States
Publisher American Chemical Society
Language eng
Abstract Nanoparticulate tungsten oxide films were synthesized by pulsed electrodeposition. Particle sizes between 45 and ∼330 nm were achieved by varying pulse duration from 5 to 500 ms. Shorter pulses increased the rate of new particle nucleation above the rate of existing particle growth, allowing for the observed variations in size. Cathodic deposition voltage (-1 ∼ -3 V) had little effect on particle size. Compared to films prepared by continuous electrodeposition, nanoparticulate tungsten oxide films showed a higher photoactivity and greater current density for the hydrogen intercalation reaction. Functional improvements are explained by the smaller particle size and larger surface area of nanocrystalline tungsten oxide.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Letter to editor, brief commentary or brief communication
Collection: School of Chemical Engineering Publications
 
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