光热治疗
等离子体子
等离子纳米粒子
纳米颗粒
材料科学
纳米复合材料
制作
纳米技术
聚合物
聚合物纳米复合材料
复合材料
光电子学
医学
病理
替代医学
作者
Isabel Pastoriza‐Santos,Calum Kinnear,Jorge Pérez‐Juste,Paul Mulvaney,Luis M. Liz‐Marzán
标识
DOI:10.1038/s41578-018-0050-7
摘要
The optical properties of metal nanoparticles, particularly their localized surface plasmon effects, are well established. These plasmonic nanoparticles can respond to their surroundings or even influence the optical processes (for example, absorption, fluorescence and Raman scattering) of molecules located at their surface. As a result, plasmonic nanoparticles have been developed for multiple purposes, ranging from the detection of chemicals and biological molecules to light-harvesting enhancement in solar cells. By dispersing the nanoparticles in polymers and creating a hybrid material, the robustness, responsiveness and flexibility of the system are enhanced while preserving the intrinsic properties of the nanoparticles. In this Review, we discuss the fabrication and applications of plasmonic polymer nanocomposites, focusing on applications in optical data storage, sensing and imaging and photothermal gels for in vivo therapy. Within the nanocomposites, the nanoporosity of the matrix, the overall mechanical stability and the dispersion of the nanoparticles are important parameters for achieving the best performance. In the future, translation of these materials into commercial products rests on the ability to scale up the production of plasmonic polymer nanocomposites with tailored optical features. A responsive material in the form of a polymer or hydrogel can be combined with a signal transduction element in the form of plasmonic particles, resulting in hybrid plasmonic polymer nanocomposites. In this Review, the fabrication and applications of such nanocomposites are discussed. The applications described focus on optical data storage, sensing and imaging and the use of photothermal gels for in vivo therapy.
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