• No se han encontrado resultados

Copper nanoparticles grown under hydrogen: Study of the surface oxide

N/A
N/A
Protected

Academic year: 2020

Share "Copper nanoparticles grown under hydrogen: Study of the surface oxide"

Copied!
6
0
0

Texto completo

Loading

Figure

Fig. 1 shows X-ray diffraction patterns of copper nanoparti- nanoparti-cles grown under different preparation conditions
Fig. 2 shows a cumulus of agglomerated nanoparticles prepared under a partial pressure of hydrogen of 400 Pa (condition 5)
Fig. 5. BF/DF image of a twinned particle prepared under 200 Pa of hydrogen partial pressure (under condition 4).
Fig. 6. XPS spectra of an as-prepared sample grown under condition 4 (200 Pa, 1350 ◦ C).

Referencias

Documento similar

48-52 Therefore, shortening of the apical oxygen distance in our oxygenated superconducting samples may deteriorate the hole transfer (charge transfer) from the copper

Energy-dispersive X-ray microanalysis showed the cell walls to be the main area of Cu binding in the inner and outer cortex and infected zone of white lupin

Taking into account these considerations, the interaction of 1n with different ionic surfactants, at suitable concentrations, could produce the following changes in its size: (i)

Regarding the annealed samples, Figure 5(b) shows a clear tendency of the δθ with the MCH concentration. As the MCH increases, a larger δθ is obtained until it reaches a plateau,

Regarding the energy decomposition of acetylene complex, listed by substituent and copper salt, the behavior along the set of studied compounds is slightly similar as the

Initially phenol oxidation process was evaluated with the use of a copper salt as homogeneous catalyst, from where it was obtained the highest catalytic capacity of Cu(II) ions

For UA 25P nanoparticles, a very thin oxide layer (around 1.8 nm) was observed, which is typical for iron nanoparticles without shell modification (Kim et al, 2012; Martin et

Copper-doped titanium dioxide materials with anatase phase (Cu-TiO 2 , atomic Cu contents ranging from 0 to 3% relative to the sum of Cu and Ti), and particle sizes of