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Karlsruhe Institute of Technology
Country: Germany
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743 Projects, page 1 of 149
  • Funder: EC Project Code: 749351
    Overall Budget: 171,461 EURFunder Contribution: 171,461 EUR

    The controlled formation of well organised self-assemblies within multicomponent supramolecular systems remains a challenge for modern chemistry. Herein, the aim of this project is to construct a constitutionally dynamic library containing advanced supramolecular architectures (i.e. a molecular grid, a linear helicate and a macrocycle) through the combination of orthogonal self-assembly and self-sorting, then we intend to take advantage of the dynamic and orthogonal interactions developed to synthesise doubly-dynamic main-chain and crosslinked metallo-supramolecular polymers. A highly complex constitutionally dynamic library (CDL) will be developed. Six dissimilar organic components and three different metal cations are expected to self-sort into a Cu(I) [2x2] grid, a Fe(II) linear helicate and a Zn(II) metallo-macrocycle through the combination of orthogonal self-assembly and self-sorting. This CDL represents a major advancement of the field in term of: 1) the complexity of the orthogonal self-assembly and self-sorting used, 2) the complexity of the metal-directed self-assembly, 3) the complexity of the mixture of supramolecular architectures synthesised. A self-assembling “Janus” metallo-supramolecular polymer based on the self-sorting Cu(I) and Fe(II) complexes developed in the CDL described previously will be studied. This polymer will display both supramolecular and covalent molecular dynamics, allowing for a broad range of features, e.g. orthogonal double dynamics and constitutional dynamics. This polymer is highly innovative as: 1) it can operate via reversible metal-ligand coordination and reversible covalent bond formation or only via the latter, 2) a combination of two orthogonal metal-ligand coordination interactions can be used to induce the polymerisation, 3) these two features will grant the possibility to initiate the polymerization in four different ways leading selectively to different main-chain or crosslinked polymer.

  • Funder: EC Project Code: 101104484
    Funder Contribution: 189,687 EUR

    Although numerous evidences from cosmology and astrophysics indicate the existence of Dark Matter (DM), which constitutes about 85% of the whole matter in the universe, its intrinsic nature is still today one of the major mysteries in physics. The lack of the discovery of the so-called Weakly Interacting Massive Particles is shifting the attention to additional, well-motivated, theoretical models that predict DM particles with lower masses. To test these, new extremely sensitive direct detection DM experiments have been developed, which are now starting to explore energies so low that were considered impossible to reach until just a couple of years ago. But these experiments are now observing unpredicted excesses of events, mostly incompatible with a DM signal, in the previously unexplored low energy region. And this irreducible background dramatically limits their sensitivity to new low-mass signals. In this project I propose a novel analysis strategy that will lead to the understanding of the nature of the low energy excess, providing invaluable information to the European and international experiments working on this field. I will also lead and coordinate the data taking campaign necessary for a positive outcome, which will employ world-leading sensitive cryogenic devices developed by the SuperCDMS collaboration, installed in the Cryogenic Underground Test at the world-class underground SNOLAB laboratory. The project will be completed in a leading research group, to which I will bring knowledge on how to efficiently operate a cryogenic detector as well as on how to run a dilution refrigerator. This work will extend my experience, show my research competencies and independence, enhancing the development of my career as a researcher.

  • Funder: EC Project Code: 755380
    Overall Budget: 149,875 EURFunder Contribution: 149,875 EUR

    Megatrends such as the Internet of Things (IoT), Industry-4.0 paradigms, and cloud-based service delivery are combining to push data-center infrastructures to their limits. This applies in particular to Ethernet-based communication networks within large data centers, which limit further scalability of computing power and storage capacity already today. Compact power-efficient transceiver concepts are key to overcome these bottlenecks. SCOOTER aims at what the Ethernet Alliance has recently classified as the “Holy Grail” of the Ethernet ecosystem: Transceivers that enable serial transmission of 100 Gbit/s data streams, while fulfilling the stringent requirements of small-form-factor-pluggable (SFP) packages. The project exploits the concept of silicon-organic hybrid (SOH) integration that combines the economics of large-scale silicon photonic integration with the exceptional performance of organic electro-optic (EO) materials. In a series of experimental demonstrations, we have proven the superior performance of SOH electro-optic modulators, both in terms of speed and power consumption. The SCOOTER transceiver concept is expected to hit a strongly growing multi-billion Euro market. The study aims at an in-depth analysis of market opportunities and competitive boundary conditions, the specification of technical product concepts, as well as the associated IP strategy and risk analysis. The project shall result in a comprehensive business plan that allows to raise funds for the next phase of commercialization through a start-up company. We expect that the envisaged transceivers will not only help to overcome the communication bottlenecks in today’s networks, but may also have transformative impact on the long-term Ethernet roadmap, enabling interface rates of 400 Gbit/s, 800 Gbit/s, 1 Tbit/s, and beyond.

  • Funder: EC Project Code: 101097876
    Overall Budget: 2,410,160 EURFunder Contribution: 2,410,160 EUR

    The transition towards an energy-sustainable society is the key challenge for the engineering sciences in the 21st century. This proposal addresses the energy supply for the future trillion sensor devices that form the backbone of our digitized society and it addresses the possibility to recover huge amounts of low-temperature waste heat in industry. Energy-harvesting from low-temperature environmental heat via thermoelectric generators (TEG) is a versatile and maintenance-free solution for both challenges. A prerequisite, however, is a cost-effective and scalable materials and manufacturing strategy for such TEGs. ORTHOGONAL will explore the devices using novel printable thermoelectric nanocomposite materials and it will tackle the fabrication challenges of printed TEGs based on ultrathin (< 2 µm) polymeric foils. We will explore n-type and p-type inorganic printable nanomaterials with high efficiencies and will use them for large area 2D printing on ultrathin substrates. By using photonic sintering, we will nano-solder the thin TEG films. The TEGs will then subsequently be fabricated by an origami-inspired folding process. A customized machine will be designed and constructed to allow for an automated folding of the 2D foil into the desired 3D geometry. As demonstrators, the project will realize TEG powered autonomous sensor nodes and a heat exchanger including a large area TEG. The work will build on my more than 30 years of experience in solid state semiconductor devices, several key patents from my group, and our recent proof-of-concepts for the thermoelectric materials and the device design. The design and fabrication principles of ORTHOGONAL will also be of use of other large-area electronic devices, e.g., X-ray detectors, THz-metamaterials, and piezoelectric transceivers.

  • Funder: EC Project Code: 267552
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