Luminescence Of Porous Silica Glasses With Quantum Sized Silicon Domains

Luminescent properties of porous silica glasses (PSG) that underwent the procedure of carbon reduction to enhance the intensity of light emission were studied in a wide temperature range. Photoluminescent quenching and recovery was observed in light soaking experiments. The results of quasistationary and time resolved PL measurements strongly suggest that tunnel transitions of nonequilibirum charge carriers between quantum size silicon clusters are responsible for the observed long lasting light emission.

Author
Ya O Roizin Et Al
Origin
Odessa University, Ukraine
Journal Title
Phys Chem Glasses 37 5 1996 196-200
Sector
Special Glass
Class
S 1075

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Luminescence Of Porous Silica Glasses With Quantum Sized Silicon Domains
Phys Chem Glasses 37 5 1996 196-200
S 1075
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