نتایج جستجو برای: nanocatalysts

تعداد نتایج: 927  

Journal: :Physical chemistry chemical physics : PCCP 2013
Qiang Fu Yunxi Yao Xiaoguang Guo Mingming Wei Yanxiao Ning Hongyang Liu Fan Yang Zhi Liu Xinhe Bao

Understanding dynamic changes of catalytically active nanostructures under reaction conditions is a pivotal challenge in catalysis research, which has been extensively addressed in metal nanoparticles but is less explored in supported oxide nanocatalysts. Here, structural changes of iron oxide (FeO(x)) nanostructures supported on Pt in a gaseous environment were examined by scanning tunneling m...

Journal: :Dalton transactions 2016
M Ibrahim M A S Garcia L L R Vono M Guerrero P Lecante L M Rossi K Philippot

The solution synthesis of rhodium nanoparticles (Rh NPs) was achieved from the organometallic complex [Rh(η3-C3H5)3] under mild reaction conditions in the presence of a polymer (PVP), a monophosphine (PPh3) and a diphosphine (dppb) as a stabilizer, leading to very small Rh NPs of 2.2, 1.3 and 1.7 nm mean size, with PVP, PPh3 and dppb, respectively. The surface properties of these nanoparticles ...

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