2013年11月29日 Science

nero1981

2013年11月29日 Science
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COVER Color-enhanced scanning electron micrograph of rust (iron oxide)
5 W+ o5 S5 y  r& \$ z2 m# x! O  hon painted sheet metal (width of image field: 41.3 micrometers). When activated
% }' L) T/ I; O( `; D+ F% f7 Nby a thin carbon layer doped with nitrogen atoms, iron oxide proves to be an : v1 J7 I% {, _* ?/ ^
efficient catalyst for selective hydrogenation of nitroarenes to anilines, a
/ O- ]! W- f, r9 Z9 ^( i6 i6 B" {process that previously required noble metals. See pages 1054 and 1073. 3 ]3 _0 b0 r: U7 @, }' p" s
Image: Eye of Science/Science Source
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