Journal
CHEMPHOTOCHEM
Volume 6, Issue 5, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cptc.202100299
Keywords
artificial photosynthesis; coordination polymers; light harvesting; metal-organic polymers; photostability
Categories
Funding
- College of Science at NUI Galway (NUIG)
- Royal Society of Chemistry
- INTERREG Atlantic Area programme [EAPA 190/2016]
- INTERREG Northern Periphery and Arctic programme [354]
- Science Foundation Ireland (SFI) [16/RI/3401, 19/FFP/6428]
- NUIG
- Irish Government
- IReL
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A new multimetallic photoactive coordination polymer with high photostability and unique optical properties has been successfully synthesized.
A luminescent ruthenium complex bearing two 2,6-di(quinolin8-yl)-pyridine carboxylic acid (dqpCOOH) ligands has been successfully synthesised and fully characterised. The new metalloligand has been coordinated to zinc ions through the terminal carboxylate groups using a one-step solvothermal method, to give a multimetallic photoactive 1D coordination polymer, Ru (dqpCOO) Zn (OOCH)(2). Through use of X-ray crystallography, advanced microscopy techniques as well as photophysical studies, we have extensively characterised the coordination polymer. The optical properties of the ruthenium complex and corresponding coordination polymer show that the material experiences a dramatic increase in photostability compared to the free parent metalloligand, in solution. Electro-chemical measurements of the coordination polymer also confirm the RuII/RuIII redox couple is maintained in the polymeric network. The development of this material gives a new strategy in the design of novel photoactive materials as multimetallic building blocks for their use in light-based applications.
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