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Research project (§ 26 & § 27)
Duration : 2021-08-01 - 2022-07-31

Quantum dots (QD) are high-performance materials for optical conversion applications, such as color-generating layers in displays. The next generation of displays and other optoelectronic devices the formulation of quantum dots with high volume fraction in organic liquids, which can be printed, for example, on LEDs in LCD and micro-LED displays. Such quantum dot inks are not yet on the market and pose a particular challenge for perovskite QDs (PQDs) because they are unstable, non-uniform in size, and incompatible with organic matrices in their raw state. BrightComSol has pioneered molecular surface coatings and production methods for formulating PQDs in high viscosity polymer plastic systems with high volume fractions. We will build on this technology to develop a surface coating and synthesis method to disperse PQDs in typical ink formulations. Through a combination of resizing PQDs in the presence of such ligands and optimizing the ligands, we will realize formulations of PQDs that are colloidally stable for printing over the long term. Our new ligands and formulations will create dense shells around the small PQDs. Part of the shell will stabilize the PQD surface and crystal structure, and the other part will provide compatibility with the ink liquid. We will characterize the dispersions, from the properties of the as-synthesized PQDs to the colloidal stability to the optical properties of the ink dispersions. Our academic partners at BOKU will assist us in the selection and synthesis of novel ligands that optimize the stability of the PQDs and PQD dispersions based on their molecular architecture and physicochemical properties.
Research project (§ 26 & § 27)
Duration : 2022-01-01 - 2022-08-31

The cultivation of microalgae is a niche field of bioprocess technology. In contrast to the industrial production of yeasts and bacteria, cultivation is usually not axenic - i.e. under sterile conditions. Thus, depending on the available nutrients, other accompanying microorganisms are also present in the culture. This means that contamination by foreign organisms is always a risk.The BOKU team will test and adapt a technique for inline digital holographic phase contrast imaging to characterize microalgae. The analysis of the information will be trained to identify optimal times for processing the algae in bioproduction. It will also be tested to monitor the culture for the presence of extraneous organisms.
Research project (§ 26 & § 27)
Duration : 2021-10-01 - 2024-09-30

Agro2Circular (A2C) project is focused on the implementation of the first territorial systemic solution for the upcycling of most relevant residues in the agrifood sector (fruits& vegetables and plastic multilayers) into high added value products, powered by a digital tool and constructed upon a systemic approach with high replicable/scalable potential. Through this solution, A2C will face important industrial, economic & social challenges in the agrifood sector: 1) The fruits & vegetables (F&V) are the group of major contribution to food waste along the food supply chain rising up to > 40% of waste, and are as excellent source of natural bioactives. However, these F&V wastes are not exploited. A2C will valorise them by green routes to obtain these bioactives for the production of nutraceuticals, functional foods, and cosmetics. 3) Multilayer plastic films are widely used as industrial packaging for the protection of food and agriculture for crops due to their unique barrier properties. However, there is a lack of sorting and recycling technologies for an economic and environmentally sustainable valorisation of these multilayer structures. A2C will develop the first recycling value chain for post-industrial multilayer films based on a synergistic approach combining innovative sorting, physical delamination, enzymatic depolymerisation, decontamination & mechanical recycling. 3) There is a lack of digitalisation in the agrifood sector. A2C will implement a Data Integration System (DIS) as a digital tool for ensuring traceability and as Predictive Decision Tool in the agrifood sector. A2C will be a demonstrated in the Regi?n de Murcia (Spain) and replicable systemic solution throughout Europe for the territorial deployment of the circular economy.

Supervised Theses and Dissertations