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American Chemical Society, Nano Letters, 4(15), p. 2498-2503, 2015

DOI: 10.1021/acs.nanolett.5b00026

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Tuning Complex Transition Metal Hydroxide Nanostructures as Active Catalysts for Water Oxidation by a Laser–Chemical Route

Journal article published in 2015 by Kai-Yang Niu ORCID, Feng Lin, Suho Jung, Liang Fang, Dennis Nordlund, Charles C. L. McCrory, Tsu-Chien Weng, Peter Ercius, Marca M. Doeff ORCID, Haimei Zheng
This paper is available in a repository.
This paper is available in a repository.

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Abstract

Diverse transition metal hydroxide nanostructures were synthesized by laser-induced hydrolysis in a liquid precursor solution for alkaline oxygen evolution reaction (OER). Several active OER catalysts with fine control of composition, structure and valence state were obtained, including (Lix)[Ni0.66Mn0.34(OH)2](NO3)·mH2O, Lix[Ni0.67(2+)Co0.33(2+)(OH)2](NO3)0.25(ORO)0.35·mH2O, etc. An operate overpotential less than 0.34 V at current density of 10 mA·cm(-2) was achieved. Such a controllable laser-chemical route for assessing complex nanostructures in liquids opens many opportunities to design novel functional materials for advanced applications.