NDLI: Highly crystalline β-FeOOH(Cl) nanorod catalysts doped with transition metals for efficient water oxidation

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Inside back cover

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Sustainable Energy & Fuels Vol - 1 Issue - 2

Sustainable Energy & Fuels Vol - 1 Issue - 1

Highly crystalline β-FeOOH(Cl) nanorod catalysts doped with transition metals for efficient water oxidation

Content Provider	Royal Society of Chemistry (RSC)
Author	Arai, Takeo Suda, Akihiko Suzuki, Noritomo Nonaka, Takamasa Morikawa, Takeshi Matsuoka, Yoriko Suzuki, Tomiko M. Sato, Shunsuke
Copyright Year	2017
Abstract	The application of the water oxidation reaction to extract electrons from water molecules is important for the future sustainable synthesis of useful chemicals such as hydrogen and organic compounds. Therefore, a cost-effective oxygen evolution reaction (OER) in alkaline, neutral or acidic solution is required, based on the use of catalysts incorporating earth abundant elements. This work demonstrates that β-FeOOH(Cl) nanorod catalysts with high crystallinity and small size (an average diameter of 3 nm and a length of 15 nm) provided the best performance in the OER activity among Fe-based oxide and (oxy)hydroxide catalysts. The pristine β-FeOOH(Cl) nanorods with the high crystallinity are realized by a new process enabling one-pot, fast, and room temperature synthesis, which is the key to forming colloidal suspensions of the highly crystallized pure-phase β-FeOOH(Cl) nanorods. The versatility of this process also enabled doping of a wide variety of transition metals. Doping of Ni2+ (at 1.2 at%) improved the OER activity and shifted the threshold potential in the negative direction by 100 mV in an alkaline electrolyte, which was comparable to that of conventional IrOx colloidal nanoparticles.
Starting Page	636
Ending Page	643
Page Count	8
File Format	HTM / HTML PDF
ISSN	23984902
Volume Number	1
Issue Number	3
Journal	Sustainable Energy & Fuels
DOI	10.1039/c7se00043j
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Electrolyte Hydrogen Oxygen evolution Dopant Threshold potential Hydroxide
Content Type	Text
Resource Type	Article
Subject	Fuel Technology Renewable Energy, Sustainability and the Environment Energy Engineering and Power Technology

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