Ditapis dengan
Evaluation of strong acid properties of layered HNbMoO6 and catalytic activit…
Abstract. The acid properties and catalytic activity of layered HNbMoO6 for liquid-phase Friedel–Crafts alkylation are examined. 31P MAS NMR spectroscopy using trimethylphosphine oxide as a probe molecule reveals that HNbMoO6 possesses strong acid sites in the interlayer region. Layered HNbMoO6 is demonstrated to display remarkable catalytic performance for this reaction, substantially ex…
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- Deskripsi Fisik
- Catalysis Today 142 (2009) 267–271
- Judul Seri
- Catalysis Today
- No. Panggil
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Nanoparticulate precursor route to fine particles of TaON and ZrO2–TaON sol…
Absrtact. Preparation of fine TaON particles is attempted to improve the photocatalytic activity for H2 evolution from aqueous methanol solution under visible light (a > 420 nm). TaON is synthesized by nitriding Ta2O5 powder at 1123 K for 15 h under a flow of NH3. When nanoparticulate Ta2O5 with a primary particle size of 30–50 nm is used as the precursor, fine particles of TaON (FP-TaON)…
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- Deskripsi Fisik
- Applied Catalysis A: General 357 (2009) 206–212
- Judul Seri
- Applied Catalysis A: General
- No. Panggil
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Amorphous Carbon Bearing Sulfonic Acid Groups in Mesoporous Silica as a Selec…
Sulfonic acid group (SO3H)-bearing amorphous carbon/mesoporous silica composites were studied for use as solid acid catalysts. Sugar-derived amorphous carbon with SO3H cannot catalyze hydrophobic acid-catalyzed reactions, such as the dimerization of R-methylstyrene, because of the small surface area. However, SO3H-bearing sugar-derived amorphous carbon supported on mesoporous silica exhibits…
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- ISBN/ISSN
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- Deskripsi Fisik
- Chem. Mater. 2009, 21, 186–193
- Judul Seri
- Chemistry of Materials
- No. Panggil
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