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Management of light and scattering in InP NWs by dielectric polymer shell

机译:电介质聚合物壳中INP NWS中的光和散射管理

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摘要

Understanding and management of light is of great importance for nanoscale devices. This report demonstrates enhanced absorption, photoluminescence and scattering in InP nanowires when coated with dielectric polymer shell. The shells increase absorption and emission by a factor of similar to 2 and photoluminescence by a factor of similar to 4. A thorough optical characterization is provided, including reflectance, transmission, luminescence and scattering to incident and transmitted directions. From this characterization, we derive the distribution of absorbed light within the structure (InP nanowires, Au seed particles and the substrate). Additionally, reflectance, transmission and emission are shown to become increasingly diffuse with the dielectric shells. The results are thought to provide better understanding in light-matter interaction in nanostructures, as well as to provide valuable tools for light and scattering management in nanoscale optoelectronics.
机译:对纳米级设备的理解和管理非常重要。 该报告在涂覆有介电聚合物壳时,在INP纳米线中表明增强的吸收,光致发光和散射。 壳体增加了吸收和发射的因子与2的因子和光致发光的因子类似于4.提供彻底的光学表征,包括反射率,透射,发光和散射到入射和透射方向。 根据该表征,我们得出了结构内的吸收光的分布(InP纳米线,Au种子颗粒和衬底)。 另外,示出了反射率,透射和发射与介电壳越来越弥漫。 结果旨在在纳米结构中的淡出物质相互作用中提供更好的理解,以及为纳米光电子的光和散射管理提供有价值的工具。

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