2013年11月29日 Science

nero1981

2013年11月29日 Science1 h% |4 ]2 }( n4 s% W

9 x7 S4 q  X' J. W3 u; @0 jCOVER Color-enhanced scanning electron micrograph of rust (iron oxide)
* Q$ L1 J3 [: w- [" R$ m( Z; kon painted sheet metal (width of image field: 41.3 micrometers). When activated 2 v) x2 J0 w! s/ E& p
by a thin carbon layer doped with nitrogen atoms, iron oxide proves to be an
! C7 v; F4 m, R$ jefficient catalyst for selective hydrogenation of nitroarenes to anilines, a 6 P( ]8 v$ y) P% B9 [
process that previously required noble metals. See pages 1054 and 1073. , Z! `+ ~3 ]& L3 ]# h
Image: Eye of Science/Science Source
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