AI Article Synopsis
- Researchers developed metal-organic nanocapsules that self-assemble using vanadium with specific metal oxidation states.
- The study created three types of capsules with the same components: a VL capsule, a mixed-valence VVL capsule, and another VL capsule.
- Crystallography showed these capsules have complex structures, and their different metal oxidation states influence their photoelectric conversion properties, highlighting advances in customizable metal-organic structures.
Article Abstract
Here we report the controlled self-assembly of vanadium-seamed metal-organic nanocapsules with specific metal oxidation state distributions. Three supramolecular assemblies composed of the same numbers of components including 24 metal centers and six pyrogallol[4]arene ligands were constructed: a VL capsule, a mixed-valence VVL capsule, and a VL capsule. Crystallographic studies of the new capsules reveal their remarkable structural complexity and geometries, while marked differences in metal oxidation state distribution greatly affect the photoelectric conversion properties of these assemblies. This work therefore represents a significant step forward in the construction of intricate metal-organic architectures with tailored structure and functionality.
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| http://dx.doi.org/10.1021/jacs.3c05448 | DOI Listing |
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Article Synopsis
- Researchers developed metal-organic nanocapsules that self-assemble using vanadium with specific metal oxidation states.
- The study created three types of capsules with the same components: a VL capsule, a mixed-valence VVL capsule, and another VL capsule.
- Crystallography showed these capsules have complex structures, and their different metal oxidation states influence their photoelectric conversion properties, highlighting advances in customizable metal-organic structures.
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November 2018
State Key Laboratory of Structure Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, Fujian, China.
Research into stimuli-responsive controlled self-assembly and reversible transformation of molecular architectures has received much attention recently, because it is important to understand and reproduce this natural self-assembly behavior. Here, we report two coordination nanocapsules with variable cavities: a contracted octahedral V capsule and an expanded ball-shaped V capsule, both of which are constructed from the same number of subcomponents. The assemblies of these two V capsules are solvent-controlled, and capable of reversible conversion between contracted and expanded forms via control of the geometries of the metal centers by association and dissociation with axial water molecules.
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