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Article
Sensing of ozone based on its quenching effect on the photoluminescence of CdSe-based core-shell quantum dots
Thin films of CdSe-based core-shell type quantum dots (CdSe/CdZnS, CdSe/ZnS and CdSeTe/ZnS) deposited on glass substrate were found to undergo a reversible change in photoluminescence (PL) on exposure to ozone...
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Article
Au/SiO2/QD core/shell/shell nanostructures with plasmonic-enhanced photoluminescence
A sol–gel method has been developed to fabricate Au/SiO2/quantum dot (QD) core–shell–shell nanostructures with plasmonic-enhanced photoluminescence (PL). Au nanoparticle (NP) was homogeneously coated with a SiO2 ...
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Article
Photoluminescence Properties and Zeta Potential of Water-Dispersible CdTe Nanocrystals
The photoluminescent (PL) properties and zeta potential of green-emitting CdTe nanocrystals (diameter: 3 nm) capped with a stabilizing surfactant, thioglycolic acid (TGA), have been investigated as a function ...
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Article
Nonlinear Optical Responses of Spin-Coated Vanadium Oxide Films
We report on the third-order nonlinear optical responses of V2O5 films prepared by pyrolysis of spin-coated films of vanadium 2-ethylhexanoate. Temporal behavior of third-order optical nonlinearity of the spin-co...