Nanoporous films of core‐shell iron nanoclusters have improved possibilities for remediation, chemical reactivity rate, and environmentally favorable reaction pathways. Conventional methods often have difficulties to yield stable monodispersed core‐shell nanoparticles. We produced core‐shell nanoclusters by a cluster source that utilizes combination of Fe target sputtering along with gas aggregations in an inert atmosphere at 7∘C. Sizes of core‐shell iron‐iron oxide nanoclusters are observed with transmission electron microscopy (TEM). The specific surface areas of the porous films obtained from Brunauer‐Emmett‐Teller (BET) process are size‐dependent and compared with the calculated data.
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Antony et al. (2006) studied this question.
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