3 years ago

Photodriven Oxygen Removal via Chromophore-Mediated Singlet Oxygen Sensitization and Chemical Capture

Photodriven Oxygen Removal via Chromophore-Mediated Singlet Oxygen Sensitization and Chemical Capture
Joy E. Haley, William M. Shensky, Trenton R. Ensley, David J. Stewart, Jianmin Shi, Tod A. Grusenmeyer, Ryan M. O’Donnell
A general, photochemical method for the deoxygenation of aqueous solutions and organic solvents is described using visible light excitation of transition metal chromophores in the presence of oxygen scrubbing substrates. The method produces results comparable to traditional inert gas purging and freeze−pump−thaw techniques with [O2] < 50 μM and enhances the long-term stability of prepared samples over the duration of days to months.

Publisher URL: http://dx.doi.org/10.1021/acs.inorgchem.7b01226

DOI: 10.1021/acs.inorgchem.7b01226

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