Symmetric and asymmetric overgrowth of a Ag shell onto gold nanorods assisted by Pt pre-deposition
Qi Zhang, Tian‐Song Deng, Ming-Zhang Wei, Xi Chen, Zhiqun Cheng, Shiqi Li, Yi‐Jie Gu
Abstract
precursor. With the increase of the Ag shell thickness, the (AuNR-Pt)-Ag nanostructures changed from symmetric to asymmetric. The obtained (AuNR-Pt)-Ag nanostructures were studied using UV-vis-NIR spectroscopy, transmission electron microscopy, EDS mapping, DLS, and ICP-MS. The growth mechanism was discussed.
Topics & Concepts
NanorodMaterials scienceEpitaxyShell (structure)NanostructureNanotechnologyNanoparticleMetalNoble metalTransmission electron microscopyChemical engineeringPlasmonDeposition (geology)OptoelectronicsLayer (electronics)Composite materialMetallurgySedimentPaleontologyBiologyEngineeringGold and Silver Nanoparticles Synthesis and ApplicationsNanomaterials and Printing TechnologiesPlasmonic and Surface Plasmon Research