Comments on quasicrystals and their potential use as catalysts
Ames Laboratory and Department of Chemistry, Iowa State University, Ames, IA 50011, USAJournal of Molecular Catalysis A Chemical (Impact Factor: 3.62). 05/1998; 131(1-3):301-306. DOI: 10.1016/S1381-1169(97)00272-0
Recent findings suggest that quasicrystalline materials may make better catalysts than their crystalline counterparts. On the other hand, detailed surface science studies suggest that the surfaces of Al-based quasicrystals behave as if they are chemically similar to pure Al. In this paper, we discuss these results along with the unique thermodynamic and electronic properties of quasicrystals which could affect their catalytic nature.
- Journal of the American Chemical Society 11/1998; 120(48). DOI:10.1021/ja981916x · 12.11 Impact Factor
- Journal of Materials Science Letters 01/2001; 20(12):1165-1167. DOI:10.1023/A:1010973213975
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ABSTRACT: Steam reforming of methanol (CH 3 OH + H 2 O → 3H 2 + CO 2) has been performed on a stable AlCuFe quasicrystal for the first time. The AlCuFe quasicrystal reveals excellent activity, after leaching treatment. The production rate of H 2 reaches 235 l/kg min at 573 K for steam reforming of methanol. The activity is due to Cu nanoparticles at the surfaces of quasicrystalline grains which are generated by the leaching treatment. The quasicrystals have two advantages: one is their brittle nature, which allows them to be crushed efficiently; the other is the involvement of Fe, which suppresses the sintering of Cu particles. © 2001 Elsevier Science B.V. All rights reserved.Applied Catalysis A General 06/2001; 214(2):237-241. DOI:10.1016/S0926-860X(01)00500-2 · 3.94 Impact Factor
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