Abstract
We present the synthesis of ultra-fine, quantum confined SnO2 and SnO2:Ag nanoparticles through a low temperature surfactant-less hydrothermal process. It has been observed that while the incorporation of Ag does not affect the morphology of the nanoparticles, it leads to a reduction of particles size, and generates lattice distortion induced strain in the crystal lattice. Incorporated silver ions occupy mainly the interstitial sites of the crystal lattice, probably forming dopant ion clusters, and drastically quench the photoluminescence emission of the host lattice in the visible region.
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