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1篇 您的检索式：作者名="Tirtha Som"

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		题名	作者	年代	出处	被引量
	1	Core Shell Au Ag Nanoparticles in Dielectric Nanocomposites with Plasmon-Enhanced Fluorescence: A New Paradigm in Antimony Glasses显示文摘The nano era demands the synthesis of new nanostructured materials,if possible by simplified techniques,with remarkable properties and versatile applications.Here,we demonstrate a new single-step reproducible melt-quench methodology to fabricate core-shell bimetallic(Au0 Ag0)nanoparticles(2889 nm)embedded glasses(dielectrics)by the use of a new reducing glass matrix,K_(2)O B_(2)O_(3) Sb_(2)O_(3)(KBS)without applying any external reducing agent or multiple processing steps.The surface plasmon resonance(SPR)band of these nanocomposites embedded in KBS glass is tunable in the range 554-681 nm.More remarkably,taking advantage of the selective reduction capability of Sb_(2)O_(3),this single-step methodology is used to fabricate inter-metallic:rare-earth ions co-embedded(AuAg:Sm^(3+))dielectric(glass)-based-dnanocomposites and study the effect of enhanced local fi eld on the red upconversion fl uorescence of Sm^(3+)ions at 636 nm.The enhancement is found to be about 2 folds.This single-step in-situ selective reduction approach can be used to fabricate a variety of hybrid-nanocomposite devices for laser based applications(see supplementary information).	Tirtha Som Basudeb Karmakar	2009	Nano Research2009，2，8：	7

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