Optical Properties of Malachite Green Dye Doped SiO2Glasses: Effect of Transition Metal (Fe-I) Used as a Codopant | Zendy

Dulen Bora | Zendy; Subrata Hazarika | Zendy

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Optical Properties of Malachite Green Dye Doped SiO₂Glasses: Effect of Transition Metal (Fe-I) Used as a Codopant

Author(s) -

Dulen Bora,

Subrata Hazarika

Publication year - 2014

Publication title -

international journal of optics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.263

H-Index - 17

eISSN - 1687-9392

pISSN - 1687-9384

DOI - 10.1155/2014/865814

Subject(s) - malachite green , malachite , materials science , doping , luminescence , transition metal , analytical chemistry (journal) , quantum yield , mineralogy , chemistry , optics , copper , metallurgy , optoelectronics , physics , adsorption , fluorescence , catalysis , biochemistry , chromatography

Enhanced luminescence properties of Malachite Green (MG) (oxalate) in Fe-MG codoped SiO2 glasses compared to its values in MG doped SiO2 glasses are reported here. The enhancement is chiefly attributed to a resonance nonradiative energy transfer between Fe and MG. The quantum yield of Malachite Green (MG), in presence of Iron, trapped in sol-gel derived SiO2 glass increases by an order of ~103 compared to that in low viscous solvent while a lifetime of 3.29 ns is reported

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