Ultraviolet photoluminescence of silanol species in mesoporous silica

Article Abstract:

The optical properties of sol-gel synthesized porous silica excited by synchrotron radiation in the 4-10 eV range of samples with different porosity at 8 K and room temperature are reported. The analysis of the ultraviolet photoluminescence indicates the contributions of two different emitting centers.

Italy, Industrial sand, Silica & Silica Sand, Industrial Sand Mining, Observations, Silica, Silicon dioxide

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Hybrid materials for solid-state dye laser applications

Article Abstract:

The analysis of the photoluminescence properties of different Rhodamine 6G-silica samples, which includes class I and class II hybrids, prepared by sol-gel method is reported. The photoluminescence and photoetching features have shown the class II samples as good candidates for solid-state dye lasers.

Cyclic crudes and intermediates, Synthetic Organic Dye and Pigment Manufacturing, Organic Colorants, Organic Dyes & Pigments, Organic Dyes, Analysis, Fourier transform infrared spectroscopy, Properties

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