Using bottom-up chemistry techniques, the composition, size, and
shape in particular can now be controlled uniformly for each and
every nanocrystal (NC). Research into shape-controlled NCs have
shown that the catalytic properties of a material are sensitive not only
to the size but also to the shape of the NCs as a consequence of welldefined
facets. These findings are of great importance for modern
heterogeneous catalysis research. First, a rational synthesis of catalysts
might be achieved, since desired activity and selectivity would be
acquired by simply tuning the shape, that is, the exposed crystal facets,
of a NC catalyst. Second, shape-controlled NCs are relatively simple
systems, in contrast to traditional complex solids, suggesting that they
may serve as novel model catalysts to bridge the gap between model
surfaces and real catalysts.
文章简述了暴露特定镜面的纳米晶的生长机理,催化增强效应(金属氧化物、贵金属、负载催化剂等等)。因是大牛在牛刊的综述,大家不容错过~
13页的minireview,引文79篇。
[ 来自科研家族 材料家族 ][ Last edited by xiejf on 2011-12-2 at 08:45 ] |