Environmental Engineering Reference
In-Depth Information
Figure 15.8 Background-subtracted CO
ads
stripping voltammograms in 0.1 M H
2
SO
4
at a
sweep rate of 0.1 V s
21
for model Pt/GC electrodes with Pt mean particle sizes
¯
N
¼ 1.8 nm
(1), 2.8 nm (2), and 3.2 nm (3), for polycrystalline Pt foil (4), and for Pt electrodeposited
on GC comprising multigrained Pt with a grain size of about 5 nm (5). Curve 6 corresponds
to a Pt/GC sample containing single-grained Pt particles with average size 3.5 nm along
with multigrained Pt structures. (Curves have been replotted from Maillard et al. [2004a,
2005]—Reproduced by permission of The Royal Society of Chemistry and the PCCP Owner
Societies.)
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