Strong metal-support interactions affected

The crystalline structure of the metal is also affected by the metal-support interaction. Metal particles supported on CNFs have a highly crystalline structure due to strong metal-support interaction [155], whereas Pt particles supported on Vulcan and OMCs have a more dense globular morphology due to weak metal-support... 

The reducibility of platinum should be affected both by SOOI effect (see above) and strong metal-support interaction (SMSI) between platinum and transition metal oxide monolayer. Both mentioned effects were observed by means of temperature-programmed techniques. TPR investigations put in evidence that the reducibility of platinum strongly depended on the type of primary carrier as well as on the type of transition metal monolayer. The results of TPR investigations are presented in Fig. 1 and Table 2. 

Metal-Support Interaction Although in a number of publications metal-support interactions have been invoked to explain the differences in electro-catalytic activities of metal nanoparticles grown on various carbon materials, the evidence is usually vague. What, in fact, is usually observed is the strong interaction of some surface functionalities or fragments with the catalyst precursors, affecting the dispersion of the resulting catalysts, with the consequences described above. 

It is known that an oxide support can strongly interact with another supported oxide, affecting its reducibility, and that the stability of supported oxides is determined by the similarity of the electronegativities of the two cations. It is interesting to note, in this context, that in activated Sn-Pt/Si02 and Sn-Ru/Si02 catalysts tin is mainly present as metallic Sn° and as metal-tin alloys, while in activated Sn-Pt/AbOB and Sn-Ru/AbOa tin is otherwise stabilized as It is... 

---