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An ultrathin cobalt-iron oxide catalyst for water oxidation on nanostructured hematite photoanodes

Xile Hu, Jingshan Luo, Laurent Liardet, Jordan Emanuel Katz
2019
Journal paper
Abstract

The harvesting of sunlight by a photoelectrochemical (PEC) cell to split water into hydrogen and oxygen is an attractive strategy to store solar energy in the form of chemical bonds. The oxygen evolution reaction (OER) remains a bottleneck for the development of efficient PEC devices. Here we report a photoelectrochemical method to homogeneously deposit a cobalt-iron oxide (CoFeOx) catalyst on a nanostructured hematite photoanode. An ultrathin catalyst layer (

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