Nanoscale chemical imaging of the reduction behavior of a single catalyst particle.
作者信息
de Smit Emiel, Swart Ingmar, Creemer J Fredrik, Karunakaran Chithra, Bertwistle Drew, Zandbergen Henny W, de Groot Frank M F, Weckhuysen Bert M
机构信息
Inorganic Chemistry and Catalysis, Debye Institute for Nanomaterials Science, Utrecht University, Sorbonnelaan 16, 3584 CA Utrecht, The Netherlands.
出版信息
Angew Chem Int Ed Engl. 2009;48(20):3632-6. doi: 10.1002/anie.200806003.
A closer look: Investigation of the reduction properties of a single Fischer-Tropsch catalyst particle, using in situ scanning transmission X-ray microscopy with spatial resolution of 35 nm, reveals a heterogeneous distribution of Fe(0), Fe(2+), and Fe(3+) species. Regions of different reduction properties are defined and explained on the basis of local chemical interactions and catalyst morphology.
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