Project

Master - Bachelor thesis project at DTU Energy on the development of inks for ink jet printing of ceramic material for energy application

Publisher

Supervisor

Location

Greater Copenhagen area

UV photosensitive NANO-inks for inkjet printing of functional metal oxides

Bachelor/master project: Vincenzo Esposito (vies@dtu.dk). Co-supervisor: Massimo Rosa (masros@dtu.dk)

Challenge: ink jet printing consists in the precise deposition of very small droplets of liquid (in the order of picoliters) to form a continuous pattern with high spatial resolution.

After its commercial use in graphics this method is attracting huge attention from the scientific and industrial community due to its versatility in the deposition of a wide range of materials. Using colloidal suspension of nanoparticles as inks is now possible to deposit thin layers in an easier, faster and cheaper way than ever before.

This technique opens the way for a cost-effective production of multilayered materials and structures like photovoltaic cells and solid oxide fuel cells. On the other hand, the preparation of dedicated inks is necessary to achieve this result.

 

Solution: to allow the printing of multilayered materials the printed pattern needs to be consolidated.

The idea behind this project is to prepare a photosensitive ink in order to increase the resistance by UV-curing. For this purposes we will investigate the possibility to add a photosensitive polymer to the nanoparticle suspension. The goal of the thesis is to prepare and characterize colloidal suspensions of metal oxides and photopolymers in order to understand which formulation meets the printability requirements.

 

Your task: during your work you will prepare suspensions of nano-particles of Zirconium oxide doped with Yttrium oxide (YSZ). You will test different types and quantity of photopolymer, amount of photo-initiator and co-solvents. You will then characterize their properties and perform tests to understand the reactivity of the suspension toward UV-light and the time needed for the removal of the solvent.

 

Working on this project will allow you to:

-          Gain hands-on experience on the preparation and characterization of nanoparticle colloids;

-          Familiarize with the physics and chemistry of different photosensitive systems;

-          Understand the critical parameters of a fast-growing technology like inkjet printing;

In collaboration with

-

Requirements

Basic knowledge of chemistry, physics or material science. Interest in materials chemistry for energy conversion devices.

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Contact

Company / Organization

DTU Energi

Name

Vincenzo Esposito

Position

Professor

Mail

vies@dtu.dk

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Technical University of Denmark

For almost two centuries DTU, Technical University of Denmark, has been dedicated to fulfilling the vision of H.C. Ørsted – the father of electromagnetism – who founded the university in 1829 to develop and create value using the natural sciences and the technical sciences to benefit society.


Today, DTU is ranked as one of the foremost technical universities in Europe, continues to set new records in the number of publications, and persistently increases and develops our partnerships with industry, and assignments accomplished by DTU’s public sector consultancy.

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