Support Effect of New Au/FeOx Catalysts in the Oxidative Dehydrogenation of α,ω-Diols to Lactones
Source abstract
Abstract
FeO x of different crystal phases were synthesized by altering the calcination temperature of the precursors obtained by a hydrothermal method. Crystal transformation from maghemite to hematite begins at calcination temperature of 573 K. Gold was deposited on the support uniformly with average size of approximately 5 nm. It is found that the as-prepared catalysts show superior activity and selectivity to the commercial Fe 2 O 3 supported gold catalysts in the oxidation of 1,4-butanediol and 1,5-pentanediol to the corresponding lactones. Support shows dramatic influence on the intrinsic properties of gold particles including particle size and electronic nature. Strong interaction between gold and the nanosized ferric oxide support was studied by XPS and TEM.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Catalytic Processes in Materials Science · Catalysis and Oxidation Reactions · Catalysis and Hydrodesulfurization Studies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Chemistry and Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai 200433, Peopleʼs Republic of China
References (51)
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