In this HOT article, Hutchings et al. investigate the effect of heat treatment to vary the metal particle size (2–20 nm) in Au-core–Pd-shell catalysts. They found that an “optimum size” is required for benzyl alcohol oxidation and hydrogen peroxide synthesis. A mild heat treatment (200 °C) also improved catalytic performance in addition to optimising the heat treatment process.
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Effect of heat treatment on Au–Pd catalysts synthesized by sol immobilisation for the direct synthesis of hydrogen peroxide and benzyl alcohol oxidation
James Pritchard, Marco Piccinini, Ramchandra Tiruvalam, Quian He, Nikolaos Dimitratos, Jose A. Lopez-Sanchez, David J. Morgan, Albert F. Carley, Jennifer K. Edwards , Christopher J. Kiely and Graham J. Hutchings
This article will feature in a themed issue to be published in 2013: Heterogeneous catalytic aerobic oxidation for the synthesis of fine chemicals. Also included:
Green oxidative synthesis of primary amides from primary alcohols or aldehydes catalyzed by a cryptomelane-type manganese oxide-based octahedral molecular sieve, OMS-2
Kazuya Yamaguchi, Hiroaki Kobayashi, Ye Wang, Takamichi Oishi, Yoshiyuki Ogasawara and Noritaka Mizuno