By Jeong Young Park
This distinctive e-book covers the newest floor technology stories on version catalysts, together with unmarried crystals, non-colloidal nanocatalysts, and nanoparticles in quite a few kinds with the regulate of dimension, form and composition. This ebook addresses the problem of bridging “materials and strain gaps” and likewise discusses the $64000 factor of metal-oxide interface and scorching electron flows in heterogeneous catalysis. the present improvement of in-situ floor suggestions that's appropriate to bridging “pressure gaps” is additionally highlighted.
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Additional resources for Current Trends of Surface Science and Catalysis
J Phys Chem B 110:17925–17930 6. Tao AR, Habas S, Yang PD (2008) Shape control of colloidal metal nanocrystals. Small 4:310–325 7. Schuth F (2011) Controlled nanostructures for applications in catalysis. Phys Chem Chem Phys 13:2447–2448 8. Lee K, Kim M, Kim H (2010) Catalytic nanoparticles being facet-controlled. J Mater Chem 20:3791–3798 9. Mazumder V, Lee Y, Sun SH (2010) Recent development of active nanoparticle catalysts for fuel cell reactions. Adv Funct Mater 20:1224–1231 10. Chen JY, Lim B, Lee EP, Xia YN (2009) Shape-controlled synthesis of platinum nanocrystals for catalytic and electrocatalytic applications.
11 A distinct platinum growth mode on shaped gold nanocrystals (adapted from ref. ) monolayer formation. Typically, copper is deposited on a gold surface as a monolayer because it is reduced on gold surfaces at a lower potential than the standard reduction potential of bulk copper. The copper can then be replaced by Pt via galvanic replacement. Because only the surface is used for electrocatalytic reactions, the deposition of a Pt monolayer on the support material can minimize the required amount of Pt.
When nanoparticles have a particular shape, the facets of the nanoparticles can have a predetermined atomic arrangement. 2 shows various shapes of 2 Shape-Controlled Nanoparticles: Effect of Shape on Catalytic Activity… 23 single-crystalline polyhedral nanocrystals. In the case of face-centered cubic (FCC) metals, such as Pt, Au, Ag, Pd, and Rh, cubic nanoparticles only have (100) facets, while octahedral or tetrahedral nanoparticles only have (111) facets. The truncated forms of these nanoparticles, such as cuboctahedra, have both (100) and (111) facets.
Current Trends of Surface Science and Catalysis by Jeong Young Park