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Growth and decomposition of aligned and ordered PdO nanoparticles
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10.1063/1.2338028
/content/aip/journal/jcp/125/9/10.1063/1.2338028
http://aip.metastore.ingenta.com/content/aip/journal/jcp/125/9/10.1063/1.2338028

Figures

Image of FIG. 1.
FIG. 1.

The catalyst as deposited (a), with the corresponding SAED pattern (b), and after oxidation at in for (c), corresponding SAED pattern (d).

Image of FIG. 2.
FIG. 2.

HRTEM images of the catalyst after oxidation at . (a) Single not oxidized Pd particle exhibiting (200) lattice fringes; (b) single PdO grain with (002) lattice fringes.

Image of FIG. 3.
FIG. 3.

The catalyst after an oxidative treatment in at for (a), corresponding SAED pattern (b).

Image of FIG. 4.
FIG. 4.

HRTEM images of the catalyst after oxidation at . (a) Three-particle agglomerate consisting of crystalline Pd and PdO; (b) PdO particle extending above a former Pd particle.

Image of FIG. 5.
FIG. 5.

The catalyst after an oxidative treatment in at for , followed by stepwise reduction in CO (He added to total pressure) for at (a) , (c) , (e) , and (g) . The corresponding SAED patterns are shown in (b), (d), (f), and (h).

Image of FIG. 6.
FIG. 6.

HRTEM images of the catalyst after oxidation at followed by reduction in CO at for . (a) Reduced Pd particle with (111) lattice spacings; (b) PdO grain surrounded by partly crystalline Pd.

Image of FIG. 7.
FIG. 7.

HRTEM image of the catalyst after oxidation at , followed by reduction in CO at for . PdO grain surrounded by an agglomerate of amorphous particles.

Image of FIG. 8.
FIG. 8.

The catalyst after an oxidative treatment in at for , followed by annealing in He for at (a) and (c). The corresponding SAED patterns are shown in (b) and (d).

Tables

Generic image for table
Table I.

Interplanar distances (Å) measured on the catalyst after different oxidative treatments and possible correlation to fcc Pd and tetragonal PdO.

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/content/aip/journal/jcp/125/9/10.1063/1.2338028
2006-09-01
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Growth and decomposition of aligned and ordered PdO nanoparticles
http://aip.metastore.ingenta.com/content/aip/journal/jcp/125/9/10.1063/1.2338028
10.1063/1.2338028
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