Effect of copper-ceria interactions on copper reduction in a Cu/CeO2/Al2O3 catalyst subjected to thermal treatments in CO

Article Abstract:

A study using temperature-programmed techniques and spectroscopies examined two catalysts, Cu/Al2O3 and Cu/CeO2/Al2O3, to determine the redox processes generated through thermal treatments in CO. Findings revealed that the copper entities exhibited various chemical behaviors according to their dispersion degree and interactions with the different elements of the support. Moreover, the contact of the copper species with more distributed two-dimensional-like ceria entities results in the preference for the reduction of this copper species.

Oxidation-reduction reaction, Oxidation-reduction reactions, Reactivity (Chemistry), Copper, Catalyst supports, Temperature, Cerium

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Fast and slow deposition of silver nanorods on planar surfaces: Application to metal-enhanced fluorescence

Article Abstract:

A simple and rapid wet-chemical technique for the deposition of silver nanorods on conventional glass substrates, which alleviates the need for lithography, is developed. The technique is based on the seed-mediated cetyltrimethylammonium bromide (CTAB)-directed growth of silver nanorods on glass surfaces.

Science & research, All Other Basic Inorganic Chemical Manufacturing, Industrial inorganic chemicals, not elsewhere classified, Bromine Compounds, Nanotechnology, Silver compounds, Chemical properties

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