Journal
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
Volume 14, Issue 13, Pages 4383-4390Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2cp23708c
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Funding
- US Department of Energy (DOE), Office of Basic Energy Sciences, Division of Chemical Sciences
- DOE Office of Biological and Environmental Research
- US DOE by Battelle Memorial Institute [DE-AC05-76RL01830]
- EMSL
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Cu-BTC (also known as HKUST-1) is a well-characterized metal-organic framework material produced in an industrial scale and widely studied for a number of potential applications by the scientific community. The co-existence of Cu+ and Cu2+ entities has already been observed in this material, but the presence of Cu+ ions was attributed to oxide impurities. The results presented here clearly demonstrate that Cu+ ions can be present in high concentrations inside the hybrid structure. Furthermore, switching between the two copper oxidation states can be induced by redox treatments, using vacuum and/or reducing gases at different sample temperatures.
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