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Preparation of porous coordination polymers using linkers containing phosphinate donor groups
6. 11. 2019
We discovered a new group of porous coordination polymers (MOFs). These materials may find use in preservation and separation of gases [...]
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Fluorescent “dragon” molecule, aka extraordinary thermochromic fluorescent borane
6. 11. 2019
A new chemical compound, B18H20(NC5H5)2, the unusual molecular structure of which resembles a flying dragon with its body consisting of [...]
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Degradation of toxic organophosphates on the surface of composite adsorbents
6. 11. 2019
Materials based on TiO2 nano particles with grapheme oxide prepared by means of unique methods developed at ÚACH can bind and [...]
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Porphyrin polymers for antibacterial surfaces
6. 11. 2019
Microbial colonies on the surfaces of medical devices contribute to outbreaks of serious patient infections. This is why we designed [...]
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What’s new in research
High temperature interactions of lead palmitate with linseed oil
This study reveals that heating lead palmitate in linseed oil leads to the formation of mixed lead palmitate–stearate compounds and a metastable high-temperature polymorph with unique structural features. These transformations, even at moderate heating, suggest complex chemical changes that may contribute to long-term degradation in oil paintings. The findings emphasize the need for careful temperature […]
Cationic Polyhedral Chalcogenaboranes: Activation without breaking Wade’s Rules
This study reports the first cationic chalcogenaboranes that retain the same skeletal electron pair count as their neutral counterparts, defying Wade’s rules. The ionization significantly enhances their electrophilicity, enabling reactions with very weak bases. Furthermore, it allows for regioselective control over interactions with hard and soft bases by modulating the LUMO. https://onlinelibrary.wiley.com/doi/10.1002/anie.202419677
Site-specific substitution in atomically precise carboranethiol-protected nanoclusters and concomitant changes in electronic properties
This study presents the synthesis and structural modification of a silver-based nanocluster [Ag17(o1-CBT)12]3- (Ag17) by incorporating Au and Cu at specific sites, forming AuAg16, Ag13Cu4, and AuAg12Cu4. These modifications systematically alter their structural, electronic, and optical properties, with Au stabilizing the core and Cu enhancing photoluminescence and prolonging excited-state lifetimes. The study demonstrates a tunable […]