Bifunctional Electro-Catalysts Stemmed from Ln-Substituted Monovacant/Saturated Keggin Polyoxotungstates and Cu-Terpyridine Chlorides

Bifunctional Electro-Catalysts Stemmed from Ln-Substituted Monovacant/Saturated Keggin... Three inorganic-organic hybrids based on monovacant/saturated polyoxotungstates and 3d–4f metal chlorides were fabricated in the same POM/Ln/Cu-tpy reaction systems by adjusting pH. Compounds 1 and 2 display 1D circle-connecting-circle chain structure featured by {Ln–α–SiW } polyxoanion clusters and {Cu/tpy} units, Compound 3 with 3D supramolecular 2+ structure consists of saturated α-SiW clusters and [Cu Cl (tpy) ] motifs. Cyclic voltammetries of n-CPEs (n = 1–3) 12 2 2 2 displayed bifunctional electrocatalytic activities toward reduction of nitrite and oxidation of ascorbic acid. Electronic supplementary material The online version of this article (https ://doi.org/10.1007/s1056 3-018-9247-4) contains supplementary material, which is available to authorized users. * Wanli Zhou zhouwl222@nenu.edu.cn * Jun Peng jpeng@nenu.edu.cn Faculty of Chemistry, Tonghua Normal University, Tonghua 134002, Jilin, People’s Republic of China Key Laboratory of Polyoxometalate Science of Ministry of Education, Faculty of Chemistry, Northeast Normal University, Changchun 130024, Jilin, People’s Republic of China Vol.:(0123456789) 1 3 W. Zhou et al. Keywords Bifunctional · Electrocatalyst · Monovacant/saturated · Polyoxotungstate III windows of lacunary POWs are inserted by Ln ions 1 Introduction through Ln–O bond to give a 1:2 type {Ln(XW ) } dimer 11 2 or 1D {Ln–XW –Ln–XW } chain (X = Si, Ge, P, B). Two The vacant polyoxometalates (POMs) with adjustable coor- 11 11 n units will be further extended to http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Catalysis Surveys from Asia Springer Journals

Bifunctional Electro-Catalysts Stemmed from Ln-Substituted Monovacant/Saturated Keggin Polyoxotungstates and Cu-Terpyridine Chlorides

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Publisher
Springer US
Copyright
Copyright © 2018 by Springer Science+Business Media, LLC, part of Springer Nature
Subject
Chemistry; Catalysis; Physical Chemistry; Industrial Chemistry/Chemical Engineering; Characterization and Evaluation of Materials
ISSN
1571-1013
eISSN
1574-9266
D.O.I.
10.1007/s10563-018-9247-4
Publisher site
See Article on Publisher Site

Abstract

Three inorganic-organic hybrids based on monovacant/saturated polyoxotungstates and 3d–4f metal chlorides were fabricated in the same POM/Ln/Cu-tpy reaction systems by adjusting pH. Compounds 1 and 2 display 1D circle-connecting-circle chain structure featured by {Ln–α–SiW } polyxoanion clusters and {Cu/tpy} units, Compound 3 with 3D supramolecular 2+ structure consists of saturated α-SiW clusters and [Cu Cl (tpy) ] motifs. Cyclic voltammetries of n-CPEs (n = 1–3) 12 2 2 2 displayed bifunctional electrocatalytic activities toward reduction of nitrite and oxidation of ascorbic acid. Electronic supplementary material The online version of this article (https ://doi.org/10.1007/s1056 3-018-9247-4) contains supplementary material, which is available to authorized users. * Wanli Zhou zhouwl222@nenu.edu.cn * Jun Peng jpeng@nenu.edu.cn Faculty of Chemistry, Tonghua Normal University, Tonghua 134002, Jilin, People’s Republic of China Key Laboratory of Polyoxometalate Science of Ministry of Education, Faculty of Chemistry, Northeast Normal University, Changchun 130024, Jilin, People’s Republic of China Vol.:(0123456789) 1 3 W. Zhou et al. Keywords Bifunctional · Electrocatalyst · Monovacant/saturated · Polyoxotungstate III windows of lacunary POWs are inserted by Ln ions 1 Introduction through Ln–O bond to give a 1:2 type {Ln(XW ) } dimer 11 2 or 1D {Ln–XW –Ln–XW } chain (X = Si, Ge, P, B). Two The vacant polyoxometalates (POMs) with adjustable coor- 11 11 n units will be further extended to

Journal

Catalysis Surveys from AsiaSpringer Journals

Published: May 30, 2018

References

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