Structural characterization of NiO doped with several caesium loadings

An investigation into the effect of Cs promotion on the catalytic activity of NiO in the direct decomposition of N2O

“…The addition of Cs to NiO leads to decrease in the B.E. It is well known that electron donation from alkali metals to transition metals takes place at the interface resulting in a decrease of the work function and then a translation of the whole system towards a lower B.E [16]. A similar type of shift in the B.E value has been reported for Na promoted Pd/SiO 2 catalyst [17].…”

“…The TPR results suggest that the presence of small amount of Cs is effective in stabilizing the lower oxidation state of Ni. This trend is indicative of an electronic promoting function of cesium [14]. Further increase in Cs content has moved the NiO reduction peak to high temperatures.…”

Adsorption of sulfur dioxide using nickel oxide/carbon adsorbents produced by one-step pyrolysis method

“…According to the previous report, the nickel nitrate could be decomposed to nickel oxide at 300 • C and metal Ni at 500 • C [30]. It is reported that the 2 angles of Ni phase are 44.51 • , 51.85 • and 76.36 • while those of NiO phase are 37.29 • , 43.30 • , 62.91 • and 75.43 • [31]. For the nickel oxide/carbon adsorbents, the sewage sludge based carbon after nickel oxide activation exhibit two peaks at around 2Â = 21 • and 26 • , which correspond to the reflection from (1 0 0) and (0 0 2) planes of the typical carbon materials, respectively [32], suggesting that the carbon structure was …”

Ni supported on activated carbon as catalyst for flue gas desulfurization

“…The XRD patterns of samples are shown in Figure 4. It is reported that the 2 angles of Ni phase are 44.51°, 51.85° and 76.36° while those of NiO phase are 37.29°, 43.30°, 62.91° and 75.43° [21]. For Ni/NAC1, minor peaks characteristic of NiO at 2 = 37.3°, 43.3° and 62.9° and major peaks characteristic of Ni at 2 = 44.5°, 51.8° and 76.5° are observed, indicating that Ni and NiO phases coexist.…”

“…It is reported that the Ni2p 3/2 binding energy of Ni 0 appears at 852.6 eV [22]; for NiO, binding energies of Ni2p 3/2 in the range of 853.9-854.9 eV for the main peak and accompanying shake-up satellite peak at 860.8-862.8 eV have been assigned to Ni 2+ species [16,21,[23][24][25], while the Ni2p 3/2 binding energies of 855.7-856.9 eV and 860.1-864.5 eV are assigned to the NiO bond of Ni 2 O 3 [26][27][28][29]. For Ni/NAC1, the Ni2p 3/2 binding energy at 854.50 and 860.98 eV and the Ni2p 1/2 binding energy at 872.03 and 878.91 eV are attributed to NiO and Ni 0 , which is in agreement with the reference [30]; the Ni2p 3/2 binding energy at 854.65 and 861.16 eV and the Ni2p 1/2 binding energy at 872.12 and 878.39 eV fit very well the previously reported results for zerovalent metallic nickel [31].…”