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Light interaction with nanoantenna causes induces a group oscillation of free electron on nanoantenna, and results in high-amplitude electric and temperature field near nanoantenna. The enhanced electric field (or hot-spot) has been importantly studied due to the potential in simple accomplishment of nonlinear optical phenomena (i.e. multiple-harmonic generation, two-photon absorption, surface-enhanced...
Platinum has been widely used in many applications, especially for catalysis and fuel cell technology due to its ability to maneuver both oxidation and reduction reactions. In addition to size, the shape or morphology of a Pt nanocrystal provides a sensitive knob for tuning its catalytic and electrocatalytic properties. A number of chemical routes have been developed to produce Pt nanocrystals with...
This paper describes a simple procedure for growing dense films of Pt nanowires directly on silicon substrates by modifying the surface through chemical or physical means. In the former, a self-assembled monolayer of (3-mercaptopropyl)-trimethoxysilane (MPTMS) is applied which can strongly bind Pt(0) nuclei to the surface through Pt S linkages. Once attached, the Pt(0) nuclei can act as catalytic...
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