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Cover Picture Low-Cost Hydrogen-Evolution Catalysts Based on Monolayer Platinum on Tungsten Monocarbide Substrates (Angew. Chem. Int. Ed. 512010)

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D 3461
www.angewandte.org
2010–49/51
Metamaterials
H. Giessen and N. Liu
Metal-Salen Complexes
A. W. Kleij et al.
Highlights: CuH Catalysis · NIR Fluorescence Probes ·
Platinum Electrocatalysts
ACIEFS 49 (51) 9787–10014 (2010) · ISSN 1433–7851 · Vol. 49 · No. 51
Cover Picture
Daniel V. Esposito, Sean T. Hunt, Alan L. Stottlemyer,
Kevin D. Dobson, Brian E. McCandless, Robert W. Birkmire, and
Jingguang G. Chen*
The lower limits of platinum loading have been explored for the hydrogen evolution
reaction (HER). In their Communication on page 9859 ff., J. G. Chen and co-workers
present a low-cost substrate material, tungsten monocarbide, that is capable of
supporting monolayer amounts of platinum to produce an electrocatalyst with the
same HER activity as bulk platinum.
Metal–Salen Catalysts
The synthesis of cyclic carbonates from epoxides and CO2 is one of the typical
applications of metal–salen complexes. Current research achievements, which strive
towards a rational catalyst design, are presented by A. W. Kleij et al. in their
Minireview on page 9822 ff.
Metamaterials
H. Giessen and N. Liu describe in their Review on page 9838 ff. so-called
metamaterials that exhibit new properties that are unattainable in naturally occurring
materials, for example, a negative refractive index.
Heterogeneous Catalysis
In their Communication on page 9854 ff., R. M. Gauvin, M. Taoufik, L. Delevoye,
and co-workers describe how they characterized surface aluminum hydride species
on a g-alumina catalyst and studied its reaction with ethylene.
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hydrogen, 512010, platinum, monocarbide, low, monolayer, evolution, substrate, tungsten, base, cost, int, cover, angel, chem, picture, catalyst
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