About the Project
A viable alternative is electron microscopy conducted on frozen hydrated samples, where the nanomaterials are ‘captured’ in the native state and any electron beam induced damage products are immobilised . This can be applied to nanoparticles dispersed in suspensions of interest , or to more complex systems, such as Pickering emulsions . A limitation here is often the 2D image that is produced of a 3D system, and this project will aim to move this research area forward in terms of representative characterisation of nanomaterial systems in three dimensions, using cryo electron tomography and cryo focused ion beam scanning electron microscopy.
The start date for this project is 1 November 2020.
This project will utilise the advanced instrumentation of the Leeds Electron Microscopy and Spectroscopy centre, specifically the Titan3 transmission electron microscope (TEM) and the Helios focused ion beam scanning electron microscope (FIB-SEM), both of which are equipped to undertake 3D and cryogenic studies. As part of this project you will be trained to become an independent user of both microscopes, and undertake extensive analysis of complex 3D datasets. This project will establish the limits of cryo-FIB-SEM for native state nanomaterial studies, and impact on the use of nanomaterials in the real world. You will be part of the Materials Characterisation research group and have the opportunity to collaborate with other researchers.
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