Simple synthetic route to manganese-containing nanowires with the spinel crystal structure

Lei Yu; Yan Zhang; Bethany M. Hudak; Damon K. Wallace; Doo Young Kim; Beth S. Guiton

doi:10.1016/j.jssc.2016.05.012

Simple synthetic route to manganese-containing nanowires with the spinel crystal structure

Lei Yu, Yan Zhang, Bethany M. Hudak, Damon K. Wallace, Doo Young Kim, Beth S. Guiton

Chemistry

Research output: Contribution to journal › Article › peer-review

15 Scopus citations

Abstract

This report describes a new route to synthesize single-crystalline manganese-containing spinel nanowires (NWs) by a two-step hydrothermal and solid-state synthesis. Interestingly, a nanowire or nanorod morphology is maintained during conversion from MnO₂/MnOOH to CuMn₂O₄/Mg₂MnO₄, despite the massive structural rearrangement this must involve. Linear sweep voltammetry (LSV) curves of the products give preliminary demonstration that CuMn₂O₄ NWs are catalytically active towards the oxygen evolution reaction (OER) in alkaline solution, exhibiting five times the magnitude of current density found with pure carbon black.

Original language	English
Pages (from-to)	23-29
Number of pages	7
Journal	Journal of Solid State Chemistry
Volume	240
DOIs	https://doi.org/10.1016/j.jssc.2016.05.012
State	Published - Aug 1 2016

Bibliographical note

Funding Information:
This work was supported by the National Science Foundation under award 1355438 and NASA Kentucky under NASA award NNX10AL96H . In addition, we thank Dr. Kenneth Graham and Zhiming Liang for assistance collecting XPS data, and the Kentucky Geological Survey and the UK Electron Microscopy Center for use of their facilities for characterization.

Publisher Copyright:
© 2016 Elsevier Inc.

Keywords

Nanowires
Spinel

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Ceramics and Composites
Condensed Matter Physics
Physical and Theoretical Chemistry
Inorganic Chemistry
Materials Chemistry

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10.1016/j.jssc.2016.05.012

Cite this

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title = "Simple synthetic route to manganese-containing nanowires with the spinel crystal structure",

abstract = "This report describes a new route to synthesize single-crystalline manganese-containing spinel nanowires (NWs) by a two-step hydrothermal and solid-state synthesis. Interestingly, a nanowire or nanorod morphology is maintained during conversion from MnO2/MnOOH to CuMn2O4/Mg2MnO4, despite the massive structural rearrangement this must involve. Linear sweep voltammetry (LSV) curves of the products give preliminary demonstration that CuMn2O4 NWs are catalytically active towards the oxygen evolution reaction (OER) in alkaline solution, exhibiting five times the magnitude of current density found with pure carbon black.",

keywords = "Nanowires, Spinel",

author = "Lei Yu and Yan Zhang and Hudak, {Bethany M.} and Wallace, {Damon K.} and Kim, {Doo Young} and Guiton, {Beth S.}",

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AU - Zhang, Yan

AU - Hudak, Bethany M.

AU - Wallace, Damon K.

AU - Kim, Doo Young

AU - Guiton, Beth S.

N1 - Funding Information: This work was supported by the National Science Foundation under award 1355438 and NASA Kentucky under NASA award NNX10AL96H . In addition, we thank Dr. Kenneth Graham and Zhiming Liang for assistance collecting XPS data, and the Kentucky Geological Survey and the UK Electron Microscopy Center for use of their facilities for characterization. Publisher Copyright: © 2016 Elsevier Inc.

PY - 2016/8/1

Y1 - 2016/8/1

N2 - This report describes a new route to synthesize single-crystalline manganese-containing spinel nanowires (NWs) by a two-step hydrothermal and solid-state synthesis. Interestingly, a nanowire or nanorod morphology is maintained during conversion from MnO2/MnOOH to CuMn2O4/Mg2MnO4, despite the massive structural rearrangement this must involve. Linear sweep voltammetry (LSV) curves of the products give preliminary demonstration that CuMn2O4 NWs are catalytically active towards the oxygen evolution reaction (OER) in alkaline solution, exhibiting five times the magnitude of current density found with pure carbon black.

AB - This report describes a new route to synthesize single-crystalline manganese-containing spinel nanowires (NWs) by a two-step hydrothermal and solid-state synthesis. Interestingly, a nanowire or nanorod morphology is maintained during conversion from MnO2/MnOOH to CuMn2O4/Mg2MnO4, despite the massive structural rearrangement this must involve. Linear sweep voltammetry (LSV) curves of the products give preliminary demonstration that CuMn2O4 NWs are catalytically active towards the oxygen evolution reaction (OER) in alkaline solution, exhibiting five times the magnitude of current density found with pure carbon black.

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KW - Spinel

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Simple synthetic route to manganese-containing nanowires with the spinel crystal structure

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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