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Topics in Catalysis
Published in: Topics in Catalysis 13-14/2016

06-06-2016 | Original Paper

Catalytic Application of Fe-doped MoO2 Tremella-Like Nanosheets

Authors: Artur Bento, Anabela Sanches, Pedro D. Vaz, Carla D. Nunes

Published in: Topics in Catalysis | Issue 13-14/2016

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Abstract

MoO2 nanoparticles with tremella-like morphology have been synthesized and characterized. Characterization by powder X-ray diffraction (XRD) and transmission electron micrographs (TEM) microscopy made possible to estimate that the nanosheets have ca. 12 nm and aggregate to form tremella-like structures. The resulting MoO2 nanoparticles were used as catalyst for epoxidation of several olefins. The use of tert-butylhydroperoxide (tbhp), H2O2 and cumenehydroperoxide (chp) as oxygen sources was screened under different reaction conditions, namely, solvent and temperature. The results from the catalytic experiments show that this catalyst was very efficient leading to very high conversion and product selectivity levels. In addition, the use of oxidant:olefin ratios close to 1 show that this catalyst is very efficient conducting olefin epoxidation. Further details are discussed in the work. The catalyst showed overall excellent performance with tbhp. When using H2O2, the catalyst showed good activity, which is very relevant as well. All these achievements contribute with a step forward in the development of more environmentally friendly processes.
previous article Effect of Coordination Environment in Grafted Single-Site Ti-SiO2 Olefin Epoxidation Catalysis
next article Dioxomolybdenum(VI) and -Tungsten(VI) Amino Bisphenolates as Epoxidation Catalysts

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Metadata
Title
Catalytic Application of Fe-doped MoO2 Tremella-Like Nanosheets
Authors
Artur Bento
Anabela Sanches
Pedro D. Vaz
Carla D. Nunes
Publication date
06-06-2016
Publisher
Springer US
Published in
Topics in Catalysis / Issue 13-14/2016
Print ISSN: 1022-5528
Electronic ISSN: 1572-9028
DOI
https://doi.org/10.1007/s11244-016-0631-x

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