A review: Concept of Localized Surface Plasmon Enhanced Second- Harmonic Generation in Semiconductor- Metal Hybrid Nanostructures

Nadia Mohammed Jassim

Abstract


Semiconductor-metal hybrid nanostructures and potential applications ranging optical sensing ,  photocatalysis and optical devices  have brought interest due to a singular localized surface plasmon (LSP) effect for optical enhancement .LSPs in metal surface, excited by the interaction between light and electron plasma waves, are capable of introducing an enhanced local electromagnetic-field, which has a great enhancement on a variety of optical processes spatially enhanced optical second-harmonic generation. This review article introduces a comprehensive seeing of physical mechanisms of optical second harmonic generation (SHG) in semiconductor metal hybrid nanostructures, and the enhancement of SHG by means of localized surface plasmon. This article includes the basic concept of;  optical properties of semiconductor nanomaterials, Localized Surface Plasmon (LSP) , Hybrid Nanomaterials (HNs) (which include optical properties of hybrid nanostructures, motivation of hybrid nanostructures and the synthesis method of hybrid nanostructures),  nonlinear optics properties which include , nonlinear optics properties of materials, second –harmonic generation SHG in semiconductor materials and the principles of enhance second – harmonic generation SHG  effect.


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ISSN (Paper)2224-719X ISSN (Online)2225-0638

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