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Demeter EL, Hilburg SL, Washburn NR, et al. Electrocatalytic oxygen evolution with an immobilized TAML activator. J Am Chem Soc. 2014;136(15):5603-6doi: 10.1021/ja5015986.
Demeter, E. L., Hilburg, S. L., Washburn, N. R., Collins, T. J., & Kitchin, J. R. (2014). Electrocatalytic oxygen evolution with an immobilized TAML activator. Journal of the American Chemical Society, 136(15), 5603-6. https://doi.org/10.1021/ja5015986
Demeter, Ethan L, et al. "Electrocatalytic oxygen evolution with an immobilized TAML activator." Journal of the American Chemical Society vol. 136,15 (2014): 5603-6. doi: https://doi.org/10.1021/ja5015986
Demeter EL, Hilburg SL, Washburn NR, Collins TJ, Kitchin JR. Electrocatalytic oxygen evolution with an immobilized TAML activator. J Am Chem Soc. 2014 Apr 16;136(15):5603-6. doi: 10.1021/ja5015986. Epub 2014 Apr 07. PMID: 24707993.
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J Am Chem Soc. 2014 Apr 16;136(15):5603-6. doi: 10.1021/ja5015986. Epub 2014 Apr 07.

Electrocatalytic oxygen evolution with an immobilized TAML activator.

Journal of the American Chemical Society

Ethan L Demeter, Shayna L Hilburg, Newell R Washburn, Terrence J Collins, John R Kitchin

Affiliations

  1. Departments of †Chemical Engineering, ‡Materials Science and Engineering, and §Chemistry, Carnegie Mellon University , 5000 Forbes Avenue, Pittsburgh, Pennsylvania 15213, United States.

PMID: 24707993 DOI: 10.1021/ja5015986

Abstract

Iron complexes of tetra-amido macrocyclic ligands are important members of the suite of oxidation catalysts known as TAML activators. TAML activators are known to be fast homogeneous water oxidation (WO) catalysts, producing oxygen in the presence of chemical oxidants, e.g., ceric ammonium nitrate. These homogeneous systems exhibited low turnover numbers (TONs). Here we demonstrate immobilization on glassy carbon and carbon paper in an ink composed of the prototype TAML activator, carbon black, and Nafion and the subsequent use of this composition in heterogeneous electrocatalytic WO. The immobilized TAML system is shown to readily produce O2 with much higher TONs than the homogeneous predecessors.

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