H2O2 induced formation of graded composition sodium-doped tin dioxide and template-free synthesis of yolk–shell SnO2 particles and their sensing application

Alexey A. Mikhaylov; Alexander G. Medvedev; Tatiana A. Tripol'skaya; Victor S. Popov; Artem S. Mokrushin; Dmitry P. Krut'ko; Petr V. Prikhodchenko; Ovadia Lev

doi:10.1039/C7DT03104A

H₂O₂ induced formation of graded composition sodium-doped tin dioxide and template-free synthesis of yolk–shell SnO₂ particles and their sensing application†

Alexey A. Mikhaylov,

^abc Alexander G. Medvedev,

^a Tatiana A. Tripol'skaya,

^a Victor S. Popov,

^a Artem S. Mokrushin,

^a Dmitry P. Krut'ko,^d Petr V. Prikhodchenko

*^ac and Ovadia Lev

*^bc

Author affiliations

* Corresponding authors

^a Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii prosp. 31, Moscow 119991, Russia
E-mail: prikhman@gmail.com

^b The Casali Center and the Institute of Chemistry and The Harvey M. Krueger Family Center for Nanoscience and Nanotechnology, The Hebrew University of Jerusalem, Edmond J. Safra Campus, Jerusalem 91904, Israel
E-mail: ovadia@mail.huji.ac.il

^c Singapore-HUJ Alliance for Research and Enterprise, NEW-CREATE Phase II, Campus for Research Excellence and Technological Enterprise (CREATE), Singapore 138602

^d Chemistry Department, M.V. Lomonosov Moscow State University, Moscow 119992, Russia

Abstract

Sodium peroxostannate nanoparticles with graded composition were produced from aqueous hydrogen peroxide–sodium hydroxostannate solution. The uniform particles were converted to composition graded sodium stannate by mild thermal treatment for peroxide decomposition and yielded yolk–shell tin dioxide particles by dilute acid treatment. The mechanism of formation of the graded sodium concentration is explained in view of the solubility of peroxostannate in H₂O₂–H₂O solution and based on ¹¹⁹Sn NMR, XRD, dynamic light scattering (DLS) and electron microscopy studies. Initial studies illuminating sensitive hydrogen sensing by yolk–shell tin oxide particles are presented.

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DOI: https://doi.org/10.1039/C7DT03104A
Article type: Paper
Submitted: 21 Aug 2017
Accepted: 05 Nov 2017
First published: 06 Nov 2017

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Dalton Trans., 2017,46, 16171-16179

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H₂O₂ induced formation of graded composition sodium-doped tin dioxide and template-free synthesis of yolk–shell SnO₂ particles and their sensing application

A. A. Mikhaylov, A. G. Medvedev, T. A. Tripol'skaya, V. S. Popov, A. S. Mokrushin, D. P. Krut'ko, P. V. Prikhodchenko and O. Lev, Dalton Trans., 2017, 46, 16171 DOI: 10.1039/C7DT03104A

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H₂O₂ induced formation of graded composition sodium-doped tin dioxide and template-free synthesis of yolk–shell SnO₂ particles and their sensing application†

Abstract

Supplementary files

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Download Citation

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H₂O₂ induced formation of graded composition sodium-doped tin dioxide and template-free synthesis of yolk–shell SnO₂ particles and their sensing application

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