Redox-active tetraruthenium metallacycles: reversible release of up to eight electrons resulting in strong electrochromism
نویسندگان
چکیده
منابع مشابه
Redox-active tetraruthenium metallacycles: reversible release of up to eight electrons resulting in strong electrochromism.
Tetraruthenium macrocycles with 1,4-divinylphenylene and diarylamine-substituted isophthalic acids as the sides display up to eight one-electron redox steps and rich electrochromic behaviour with strong absorptions of the dications in the near infrared and of the tetra- and hexacations at low energies in the visible.
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Molecular squares and rectangles with metal corners and ligand sides have become increasingly available as structurally characterized “supramolecular” entities.1,2 Apart from the structural fascination, the question of molecular recognition, and the development of synthetic strategies, another attractive aspect of these kinds of structured assemblies is their potential function in photoor elect...
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Extreme toxicity, corrosiveness, and volatility pose serious challenges for the safe storage and transportation of elemental chlorine and bromine, which play critical roles in the chemical industry. Solid materials capable of forming stable nonvolatile compounds upon reaction with elemental halogens may partially mitigate these challenges by allowing safe halogen release on demand. Here we demo...
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Extreme toxicity, corrosiveness, and volatility pose serious challenges for the safe storage and transportation of elemental chlorine and bromine, which play critical roles in the chemical industry. Solid materials capable of forming stable nonvolatile compounds upon reaction with elemental halogens may partially mitigate these challenges by allowing safe halogen release on demand. Here we demo...
متن کاملRedox-Active Tetraruthenium Macrocycles Built from 1,4-Divinylphenylene-Bridged Diruthenium Complexes.
Metallamacrocylic tetraruthenium complexes were generated by treatment of 1,4-divinylphenylene-bridged diruthenium complexes with functionalized 1,3-benzene dicarboxylic acids and characterized by HR ESI-MS and multinuclear NMR spectroscopy. Every divinylphenylene diruthenium subunit is oxidized in two consecutive one-electron steps with half-wave potential splittings in the range of 250 to 330...
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ژورنال
عنوان ژورنال: Chemical Communications
سال: 2016
ISSN: 1359-7345,1364-548X
DOI: 10.1039/c6cc00936k