Set-up and characterisation of an electrospray device and its use for particle deposition

Abstract

This thesis documents the development of an EDS. The electrospray has been demonstrated to be a versatile technique with a broad range of applications. The methodology is broadly used for particle deposition or for production of liquid jets and droplets. The device described in this work is used for on-demand preparation of samples that are suitable for CDI experiments, carried out on a table top XUV nanoscope. It is beneficial to have an ES device available to meet the specific requirements, (e.g., the size of the specimen, its shape, or an adequate substrate) for preparation of samples for imaging experiments because it would allow to have on demand samples suitable for the development on the XUV nanoscope. At the moment the electrospray device is used as EDS, but with the due modifications, it would be suitable as well for the production of liquid jets when it is required. The electrospray device will also contribute to sample fabrication for nano-objects imaging research work in the near future. The configuration of the electrospray device comprises an electrospray emitter facing horizontally a grounded counter electrode. Alongside of this basic configuration, some peripherals such as an USB camera and a multimeter are included in order to monitor the electrospray process. For the deposition experiments the substrate is attached to the counter electrode, it will meet the liquid jet when the cone-jet spraying mode is achieved.

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ORCID for Jeremy Frey: orcid.org/0000-0003-0842-4302

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