Synthesis and properties of sol-gel-derived AgClxBr1-x colloid containing sodium alumo borosilicate glasses

Martin Mennig; Helmut K. Schmidt; Claudia Fink-Straube

doi:10.1117/12.50217

1 November 1991 Synthesis and properties of sol-gel-derived AgCl_xBr_1-x colloid containing sodium alumo borosilicate glasses

Martin Mennig, Helmut K. Schmidt, Claudia Fink-Straube

Author Affiliations +

Proceedings Volume 1590, Submolecular Glass Chemistry and Physics; (1991) https://doi.org/10.1117/12.50217
Event: OE Fiber, 1991, Boston, MA, United States

Abstract

AgCl/AgBr crystallites with diameters of about 40 nm were synthesized within a sodium alumo borosilicate glass matrix by the sol-gel process. Ag was introduced into the sol through the addition of an ethanolic AgN03 solution. After gelation, AgClxBr1- x was generated by treating the gel with NaCl and CuBr solutions. The gel can be densified to a glassy powder that shows a darkening effect with a saturation behaviour after UV irradiation and recovers at elevated temperatures (> 150 °C) . The best recovery kinetics were obtained for a silver halide content of about 12 mole/g.

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Martin Mennig, Helmut K. Schmidt, and Claudia Fink-Straube "Synthesis and properties of sol-gel-derived AgCl_xBr_1-x colloid containing sodium alumo borosilicate glasses", Proc. SPIE 1590, Submolecular Glass Chemistry and Physics, (1 November 1991); https://doi.org/10.1117/12.50217

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