Sintering of Catalytic Nanoparticles: Particle Migration or Ostwald Ripening?
作者： Thomas W. Hansen , Andrew T. DeLaRiva , Sivakumar R. Challa , Abhaya K. Datye
DOI: 10.1021/AR3002427
关键词:
摘要: … Scientists have proposed two mechanisms for sintering of nanoparticles: particle migration and coalescence (PMC) and Ostwald ripening (OR). PMC involves the mobility of particles in …
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Gustavo A. Fuentes, Elizabeth Salinas-Rodríguez, Realistic Particle Size Distributions during Sintering by Ostwald Ripening Studies in Surface Science and Catalysis. ,vol. 139, pp. 503- 510 ,(2001) , 10.1016/S0167-2991(01)80236-6
J.A Moulijn, A.E van Diepen, F Kapteijn, Catalyst deactivation: is it predictable?: What to do? Applied Catalysis A-general. ,vol. 212, pp. 3- 16 ,(2001) , 10.1016/S0926-860X(00)00842-5
Ahmad Tavasoli, Mariane Trépanier, Ajay K. Dalai, Nicolas Abatzoglou, Effects of Confinement in Carbon Nanotubes on the Activity, Selectivity, and Lifetime of Fischer—Tropsch Co/Carbon Nanotube Catalysts Journal of Chemical & Engineering Data. ,vol. 55, pp. 2757- 2763 ,(2010) , 10.1021/JE900984C
P. Wynblatt, N.A. Gjostein, Supported metal crystallites Progress in Solid State Chemistry. ,vol. 9, pp. 21- 58 ,(1975) , 10.1016/0079-6786(75)90013-8
Mangesh T. Bore, Hien N. Pham, Elise E. Switzer, Timothy L. Ward, Atsushi Fukuoka, Abhaya K. Datye, The role of pore size and structure on the thermal stability of gold nanoparticles within mesoporous silica. Journal of Physical Chemistry B. ,vol. 109, pp. 2873- 2880 ,(2005) , 10.1021/JP045917P
J Sehested, A Carlsson, T.V.W Janssens, P.L Hansen, A.K Datye, Sintering of Nickel Steam-Reforming Catalysts on MgAl2O4 Spinel Supports Journal of Catalysis. ,vol. 197, pp. 200- 209 ,(2001) , 10.1006/JCAT.2000.3085
G MCVICKER, Surface area stabilization of Ir/Al2O3 catalysts by CaO, SrO, and BaO under oxygen atmospheres: Implications on the mechanism of catalyst sintering and redispersion Journal of Catalysis. ,vol. 54, pp. 129- 142 ,(1978) , 10.1016/0021-9517(78)90036-2
Jens Sehested, Sintering of nickel steam-reforming catalysts Journal of Catalysis. ,vol. 217, pp. 417- 426 ,(2003) , 10.1016/S0021-9517(03)00075-7
C. G. Granqvist, R. A. Buhrman, Statistical model for coalescence of islands in discontinuous films Applied Physics Letters. ,vol. 27, pp. 693- 694 ,(1975) , 10.1063/1.88342
Søren B. Simonsen, Ib Chorkendorff, Søren Dahl, Magnus Skoglundh, Jens Sehested, Stig Helveg, Direct Observations of Oxygen-induced Platinum Nanoparticle Ripening Studied by In Situ TEM Journal of the American Chemical Society. ,vol. 132, pp. 7968- 7975 ,(2010) , 10.1021/JA910094R