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The present study demonstrates that the silica-encapsulated Ni and Ru nanoparticles (nano-Ni@SiO 2 and nano-Ru@SiO 2 ) are catalysts more active and stable than the currently known catalysts for the production of CO x -free hydrogen through ammonia decomposition. The effects of SiO 2 encapsulation are closely related to the nature of the enwrapped core elements. The...
Pt/x%Ti-SBA15 catalysts (x corresponding to the wt.% TiO 2 loading in the Ti–SiO 2 composite, in the range 25–60%) were synthesized by titanium precursor grafting in preformed mesoporous silica. Materials were characterized by several techniques, including elemental analysis, XRD, TEM and N 2 -sorption isotherms to achieve structural and textural properties description. Different...
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