Plasmonic Light Trapping in Titania–Silver Dots Thin Films,Physica Status Solidi (B) - Basic Solid State Physics

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Plasmonic Light Trapping in Titania–Silver Dots Thin Films
Physica Status Solidi (B) - Basic Solid State Physics ( IF 1.5 ) Pub Date : 2020-07-04 , DOI: 10.1002/pssb.202000124
Daniela Manno ₁ , Alessandro Buccolieri ₁ , Giorgio Giuseppe Carbone ₁ , Lucio Calcagnile ₁ , Antonio Serra ₁

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Metal nanoparticles (NPs) in a transparent dielectric matrix represent a very intriguing system due to the plasmonic absorption tunable in the range of visible wavelengths. Herein, the preparation and physical characterization of plasmonic titania–silver dots thin films are reported. The synthesis parameter that leads to making a TiO₂ matrix in which the Ag NPs are actually incorporated is carefully analyzed and controlled. Morphological (scanning electron microscopy, transmission electron microscopy, high resolution electron microscopy), structural (selected area diffraction, X‐ray diffraction), and spectroscopic (Raman spectroscopy) characterization techniques attest that the Ag NPs are spherical and homogeneously distributed into the TiO₂ dielectric matrix in the structural modification of anatase. The study of the optical properties of films concludes the work. Plasmonic resonance is analyzed according to the light scattering theory.

中文翻译：

二氧化钛-银点薄膜中的等离子光阱

透明介电基质中的金属纳米颗粒（NPs）代表了一个非常吸引人的系统，这是由于在可见波长范围内可调节的等离子体吸收。本文报道了等离子二氧化钛-银点薄膜的制备和物理表征。仔细地分析和控制了导致制备其中实际结合有Ag NP的TiO ₂基体的合成参数。形态学（扫描电子显微镜，透射电子显微镜，高分辨率电子显微镜），结构（选定区域衍射，X射线衍射）和光谱（拉曼光谱）表征技术证明，Ag NP是球形的并且均匀分布在TiO _2中介电基质在锐钛矿结构上的修饰。对薄膜光学性能的研究完成了这项工作。根据光散射理论分析等离子体共振。

更新日期：2020-09-10

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