Synthesis of ordered mixed titania and silica mesostructured monoliths for gold catalysts

Article Abstract:

The mesostructured silica-titania mixed oxide monoliths is synthesized, in which the nanocrystalline titania is well dispersed inside the silicate framework by a liquid crystalline templating approach in combination with sol-gel processing. Results suggest that templating of polymer gels with mixed sol-gel precursor solution leads to the generation of monolithic mixed metal oxide networks, with highly uniform pore systems.

All Other Miscellaneous Chemical Product and Preparation Manufacturing, Catalysts, Chemical preparations, not elsewhere classified, Industrial sand, Silica & Silica Sand, Industrial Sand Mining, Silica, Metallic oxides, Metal oxides, Silicon dioxide

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Gold nanorods to nanochains: Mechanistic investigations on their longitudinal assembly using alpha,omega-alkanedithiols and interplasmon coupling

Article Abstract:

Mechanistic investigations on the end-to-end assembly of Au nanorods to nanochains in the presence of alpha,omega-alkanedithiols is presented. The observation resulted in a decrease in the longitudinal plasmon absorption along with a concomitant formation of a new red-shifted band above a critical concentration of dithiol which is attributed to the interplasmon coupling in assembled nanorods.

Science & research, Research, Electric properties, Nanotechnology, Plasmons (Physics)

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