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Size dependence of core and valence binding energies in Pd nanoparticles: Interplay of quantum confinement and coordination reduction
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10.1063/1.2973682
/content/aip/journal/jap/104/6/10.1063/1.2973682
http://aip.metastore.ingenta.com/content/aip/journal/jap/104/6/10.1063/1.2973682
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

TEM micrographs of Pd samples (a) N1, (b) N2, and (c) N3.

Image of FIG. 2.
FIG. 2.

(a) X-ray diffractograms and (b) vs plots of Pd samples N1, N2, and N3.

Image of FIG. 3.
FIG. 3.

XPS survey spectra of sputter cleaned Pd samples (a) N1, (b) N2, and (c) N3.

Image of FIG. 4.
FIG. 4.

(a) core level and (b) valence band spectra of sputter cleaned samples N1, N2, and N3.

Image of FIG. 5.
FIG. 5.

Variation in the binding energy of various valence and core electrons in Pd as a function of nanoparticle size. For comparison, the corresponding binding energies in bulk Pd are also plotted ().

Image of FIG. 6.
FIG. 6.

The log-log plot of the shift in the binding energy as a function of nanoparticle size of the various Pd valence and core electrons. The values of the corresponding negative slopes are also mentioned.

Image of FIG. 7.
FIG. 7.

The shift in the binding energy of the valence and core electrons in Pd nanoparticle samples N1 (6 nm), N2 (11 nm), and N3 (20 nm) with respect to bulk Pd. The corresponding shifts reported in literature (Refs. 1, 3, and 5) for Pd at nanodimension are also shown.

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/content/aip/journal/jap/104/6/10.1063/1.2973682
2008-09-23
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Size dependence of core and valence binding energies in Pd nanoparticles: Interplay of quantum confinement and coordination reduction
http://aip.metastore.ingenta.com/content/aip/journal/jap/104/6/10.1063/1.2973682
10.1063/1.2973682
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