AI Article Synopsis
- The study focuses on creating enhanced host-guest complexes using a gold nanocluster and a zinc porphyrin nanoring, which is important in supramolecular chemistry.
- Strong binding was observed between the gold nanocluster and the six-unit zinc porphyrin nanoring, confirmed through various analytical techniques including UV/Vis absorption and mass spectrometry.
- The resulting complex not only stabilizes the gold nanocluster but also shows improved activity and selectivity in photochemical reactions, specifically converting carbon monoxide and generating singlet oxygen.
Article Abstract
The synthesis of molecular host-guest complexes with enhanced performance, relative to those of their components, is a central theme in supramolecular chemistry. Here we explore a host-guest system consisting of an atomically precise gold nanocluster bound inside a zinc porphyrin nanoring. UV/Vis absorption and fluorescence titrations with different sized nanorings revealed strong binding between a pyridinethiol-coated Au nanocluster and a nanoring consisting of six zinc porphyrin units, and complexation is confirmed by mass spectrometry. Formation of this assembly enhances the stability of the gold nanocluster. The host-guest complex also exhibits remarkable activity and selectivity for photochemical CO to CO conversion and singlet oxygen generation.
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| http://dx.doi.org/10.1002/anie.202414908 | DOI Listing |
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