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Preparation of electroconductive aluminum-silicon oxide ceramic sensors modified with silver and bismuth nanoparticles

  • Kseniya V. Mishchenko

    Kseniya V. Mishchenko graduated from the Novosibirsk State University in 2002 and joined the Laboratory of Synthesis of Powder Materials at the Institute of Solid State Chemistry and Mechanochemistry SB RAS in 2010. Her current research activities include synthesis of bismuth oxide materials based on thermal decomposition of various bismuth salts.

    , Diana K. Avdeeva

    Diana K. Avdeeva is a Professor at the Tomsk Polytechnic University. Her scientific interests are focused on carrying out fundamental and applied research in the field of medical equipment, development of medical nanoelectrodes for recoding of the bioelectric activity of various organs and body systems, the development of algorithms and software for measuring signals of the nanovolt and microvolt level for the purpose of early diagnosis of the vital organs (heart, brain).

    , Yurii M. Yukhin

    Yurii M. Yukhin is a Professor, the Head of the Laboratory of Synthesis of Powder Materials at the Institute of Solid State Chemistry and Mechanochemistry Siberian Branch of the Russian Academy of Sciences in Novosibirsk. The main directions of his research activities are synthesis and investigation of physicochemical properties of oxide materials, obtaining nanosized metal powders of bismuth, silver, copper, nickel etc, development of the methods of synthesis of inorganic materials based on combustion and thermal decomposition processes.

    , Alexander I. Titkov

    Alexander I. Titkov studied chemistry for his MSc at the Novosibirsk State University (2002) and completed his PhD at the Boreskov Institute of Catalysis (2006). He has conducted several research project related to surface science and environmental catalysis. He has industrial experience in development of new technologies in the field of oil and gas industry and in nanotechnology. He joined to the Institute of Solid State Chemistry and Mechanochemistry SB RAS in 2013. His current research activities include development of new methods of scalable synthesis of metal nano- and microparticles and new functional composite materials.

    and Olga A. Logutenko

    Olga A. Logutenko graduated from Novosibirsk State University in 1978. She has completed her PhD at the Institute of Chemistry and Chemical Technology in 1990. She has worked at the Institute of Solid State Chemistry and Mechanochemistry SB RAS since 1998. Her current research activities include development of new methods for synthesis of nano- and microsized metal powders.

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Published/Copyright: November 26, 2016
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Abstract

Currently, to provide complete information on measuring is one of the most essential problems for measuring devices. In order to obtain electrodes for recording of cardiac micropotentials in a wide range of frequencies, a process for modifying of the aluminum-silicon oxide ceramic matrix with bismuth or silver nanoparticles was investigated. It was found that when impregnating aluminum-silicon oxide ceramics with aqueous or organic solutions of the silver compounds with subsequent drying and calcinations, both the total amount of silver and its distribution over the thickness of the sample essentially depend on the nature of the silver precursor solution. Thus, when impregnating the aluminum-silicon oxide ceramics with an aqueous solution of silver nitrate followed by its reduction with formic acid, the silver content in the ceramic matrix does not exceed 15% and it is mainly distributed in the near-surface layer. The highest degree of impregnation (39%) and uniform distribution of silver throughout the volume of the sample are achieved by treatment of the ceramic matrix with a branched silver carboxylate (silver caprate) solution containing 250 g/L Ag, followed by drying and calcination of the samples at 250°C. It was shown that bismuth-containing electroconductive ceramics can be obtained by its impregnation with a solution of bismuth formate or caprylate followed by its calcination in vacuum at 280°C. The results of the study showed that the ceramic sensors modified with silver nanoparticles have a direct current drift of less than 5 nV/s while the noise level does not exceed±200 nV, which allows development of the measuring apparatus from 300 nV.

About the authors

Kseniya V. Mishchenko

Kseniya V. Mishchenko graduated from the Novosibirsk State University in 2002 and joined the Laboratory of Synthesis of Powder Materials at the Institute of Solid State Chemistry and Mechanochemistry SB RAS in 2010. Her current research activities include synthesis of bismuth oxide materials based on thermal decomposition of various bismuth salts.

Diana K. Avdeeva

Diana K. Avdeeva is a Professor at the Tomsk Polytechnic University. Her scientific interests are focused on carrying out fundamental and applied research in the field of medical equipment, development of medical nanoelectrodes for recoding of the bioelectric activity of various organs and body systems, the development of algorithms and software for measuring signals of the nanovolt and microvolt level for the purpose of early diagnosis of the vital organs (heart, brain).

Yurii M. Yukhin

Yurii M. Yukhin is a Professor, the Head of the Laboratory of Synthesis of Powder Materials at the Institute of Solid State Chemistry and Mechanochemistry Siberian Branch of the Russian Academy of Sciences in Novosibirsk. The main directions of his research activities are synthesis and investigation of physicochemical properties of oxide materials, obtaining nanosized metal powders of bismuth, silver, copper, nickel etc, development of the methods of synthesis of inorganic materials based on combustion and thermal decomposition processes.

Alexander I. Titkov

Alexander I. Titkov studied chemistry for his MSc at the Novosibirsk State University (2002) and completed his PhD at the Boreskov Institute of Catalysis (2006). He has conducted several research project related to surface science and environmental catalysis. He has industrial experience in development of new technologies in the field of oil and gas industry and in nanotechnology. He joined to the Institute of Solid State Chemistry and Mechanochemistry SB RAS in 2013. His current research activities include development of new methods of scalable synthesis of metal nano- and microparticles and new functional composite materials.

Olga A. Logutenko

Olga A. Logutenko graduated from Novosibirsk State University in 1978. She has completed her PhD at the Institute of Chemistry and Chemical Technology in 1990. She has worked at the Institute of Solid State Chemistry and Mechanochemistry SB RAS since 1998. Her current research activities include development of new methods for synthesis of nano- and microsized metal powders.

Acknowledgments

The research was financially supported by the Federal Targeted Program “Research and Development in Priority Fields of S&T Complex of Russia in 2014–2020” the Agreement No. 14.578.21.0032 dated 05.06.2014 “Development of experimental sample of a hardware-software complex for noninvasive recording of heart micropotentials in a wide frequency band without filtering and averaging in real time to early detect the symptoms of sudden cardiac death” the unique identifier of the contact: RFMEF157814X0032.

  1. Conflict of interest statement: Authors state no conflict of interest. All authors have read the journal’s Publication ethics and publication malpractice statement available at the journal’s website and hereby confirm that they comply with all its parts applicable to the present scientific work.

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Received: 2016-6-29
Accepted: 2016-10-27
Published Online: 2016-11-26
Published in Print: 2016-10-1

©2016 Walter de Gruyter GmbH, Berlin/Boston

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