Song, Yujun and Zhang, Zongsuo and Elsayed-Ali, Hani E. and Wang, Haining and Henry, Laurence L. and Wang, Ququan and Zou, Shengli and Zhang, Tao (2010) Identiï¬cation of single nanoparticles. Nanoscale .
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The physicochemical properties of nanomaterials signiï¬cantly depend on their three-dimensional (3D) morphologies (sizes, shapes and surface topography), the surrounding media, and their spatial arrangement. Systematically and precisely correlating these parameters with the related physicochemical properties of speciï¬c single nanoparticles (NPs) is a fundamental requirement for the discovery of their novel properties and applications, as well as for advancing the fundamental and practical knowledge required for the design and fabrication of new materials. In this article, the progress in the identiï¬cation of the speciï¬c individual NP is summarized, including the in situ methods and the spatial-localization methods based on plasmonic NPs as model. Identiï¬cation of single NPs based on local surface plasmon resonance observed by ï¬uorescent inverted optical microscopy, dark-ï¬eld microscopy, scanning near-ï¬eld optical microscopy, atomic force microscopy, and transmission electron microscope are reviewed. Recent progress in the investigation of 3D morphology-dependent optical properties by these methods is described. Experimental and theoretical developments in single-NP identiï¬cation for the purpose of understanding the physicochemical properties are discussed.
|Subjects:||Physical Science > Nano objects|
|Deposited On:||28 Nov 2010 14:53|
|Last Modified:||28 Nov 2010 14:53|
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