Journal
LANGMUIR
Volume 22, Issue 16, Pages 6719-6722Publisher
AMER CHEMICAL SOC
DOI: 10.1021/la053304d
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This letter reports a novel methodology for the synthesis of dye-containing nanocomposite thin films containing fluorescent rhodamine6G(Rh6G) laser dye molecules. The nanocomposites are deposited in one step at room temperature in a downstream microwave plasma operating at low pressure and power. By controlling the plasma chemistry, it is possible to reduce the formation of dye dimers and higher aggregates that quench the fluorescence of the dye molecules. The films are intensely absorbent and fluorescent, insoluble in water, mechanically stable, and present good adhesion to the substrate. Besides, the method is compatible with the present silicon technology and therefore particularly interesting for the fabrication of integrated optoelectronic devices.
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