Explore the words cloud of the SUPRACOP project. It provides you a very rough idea of what is the project "SUPRACOP" about.
The following table provides information about the project.
WESTFAELISCHE WILHELMS-UNIVERSITAET MUENSTER
|Coordinator Country||Germany [DE]|
|Total cost||1˙493˙750 €|
|EC max contribution||1˙493˙750 € (100%)|
1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
|Duration (year-month-day)||from 2017-05-01 to 2022-04-30|
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|1||WESTFAELISCHE WILHELMS-UNIVERSITAET MUENSTER||DE (Munster)||coordinator||1˙493˙750.00|
Infinite one-dimensional structures with a metallic main chain of short metal-metal contacts have attracted considerable attention in the field of materials science for many decades due to their excellent optical properties and remarkable dichroism and electrical (semi)conductivity. These materials suffer, however, from decomposition prior to melting and low solubility and processability. The strategy of introducing alkyl side chains of different nature in the past two decades proved to be particularly successful towards better soluble materials or gels with implications in optoelectronics. However, this comes at the price of reduced bulk conductivities leading in some cases to electrical insulators due to the perturbation of the metal-metal contacts.
In this proposal, a Systems Chemistry approach will be introduced to create unprecedented supramolecular copolymers that are anticipated to exhibit: a) high solubility, reversibility and stability in organic solvents and water and, b) short metal contacts involving either positively and negatively charged metal ions of the same nature (Pt2/Pt2-) or dissimilar metal centres (Pd(II)/Pt(II) and Ag(I)/Au(I)) with equivalent coordination geometry. To achieve this goal, ligands with an extended aromatic surface for pi-stacking supported by complementary non-covalent interactions have been selected to bring suitable metal ions in close proximity. This can be summarized in three approaches. 1) Optimization of the geometrical complementarity between the interacting ligands; 2) Introduction of hydrogen bonding and electrostatic complementarity between side groups, and 3) Exploiting weak interactions between geometrically equivalent electron rich and electron poor units. The extent of metal-metal interactions can be ultimately controlled by introducing suitable light switchable groups.
This concept is expected to provide access to novel, highly-ordered materials with rich photophysical and semiconductive properties.
|year||authors and title||journal||last update|
Anja Langenstroer, Kalathil K. Kartha, Yeray Dorca, JÃ¶rn Droste, Vladimir Stepanenko, Rodrigo Q. Albuquerque, Michael Ryan Hansen, Luis SÃ¡nchez, Gustavo FernÃ¡ndez
Unraveling Concomitant Packing Polymorphism in Metallosupramolecular Polymers
published pages: 5192-5200, ISSN: 0002-7863, DOI: 10.1021/jacs.8b11011
|Journal of the American Chemical Society 141/13||2020-01-30|
Kalathil K. Kartha, Naveen Kumar Allampally, Antiope T. Politi, Deepak D. Prabhu, Hayato Ouchi, Rodrigo Q. Albuquerque, Shiki Yagai, Gustavo FernÃ¡ndez
Influence of metal coordination and light irradiation on hierarchical self-assembly processes
published pages: , ISSN: 2041-6520, DOI: 10.1039/C8SC03875A
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