A new composite material based on alumina nanofibers and detonation nanodiamonds: synthesis, characterization, and sensing application : научное издание

Описание

Тип публикации: статья из журнала

Год издания: 2021

Идентификатор DOI: 10.1007/s11051-021-05309-y

Ключевые слова: nanodiamonds, alumina nanofibers, composite, indicator system, phenol

Аннотация: The development of inexpensive, easy-to-produce, and easy-to-use analytical tools for detection of harmful and toxic substances is a relevant research problem with direct applications in environmental monitoring and protection. In this work, we propose a novel composite material based on alumina nanofibers and detonation nanodiamonПоказать полностьюds for detection of phenol in aqueous medium. The composite material was obtained by mixing an aqueous suspension of alumina nanofibers with a diameter of 10-15 nm and a length of several microns and a hydrosol of nanodiamonds with an average cluster size of 70 nm. The mechanisms underlying the interaction of these nanomaterials are clarified and the physicochemical properties of the composite are investigated. The SEM and TEM studies show that the obtained composite has a network structure, in which clusters of nanodiamonds (10-20 nm in diameter) are distributed over the surface of nanofibers. Coupling of nanomaterials occurs due to opposite signs of their zeta potentials, which results in electrostatic attraction and subsequent chemical bonding as indicated by the X-ray photoelectron spectroscopy and simultaneous thermal analysis. The bonding apparently occurs between functional groups (mainly carboxyl) on the surface of nanodiamonds and amphoteric hydroxyl groups on the surface of alumina nanofibers. The proposed composite allows an easy-to-perform colorimetric analysis for qualitative and quantitative determination of phenol in aqueous samples with linear response over a wide range of concentrations (0.5-106 mu M). Multiple tests have shown that the composite is reusable and retains its catalytic function for at least 1 year during storage at room temperature.

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Издание

Журнал: JOURNAL OF NANOPARTICLE RESEARCH

Выпуск журнала: Vol. 23, Is. 9

Номера страниц: 199

ISSN журнала: 13880764

Место издания: DORDRECHT

Издатель: SPRINGER

Персоны

  • Ronzhin Nikita O. (Inst Biophys SB RAS, Akademgorodok 50-50, Krasnoyarsk 660036, Russia)
  • Posokhina Ekaterina D. (Inst Biophys SB RAS, Akademgorodok 50-50, Krasnoyarsk 660036, Russia; Siberian Fed Univ, Svobodny 79, Krasnoyarsk 660041, Russia)
  • Mikhlina Elena (Inst Computat Modelling SB RAS, Akademgorodok 50-44, Krasnoyarsk 660036, Russia)
  • Mikhlin Yuri L. (Inst Chem & Chem Technol SB RAS, Akademgorodok 50-24, Krasnoyarsk 660036, Russia)
  • Simunin Mikhail M. (Siberian Fed Univ, Svobodny 79, Krasnoyarsk 660041, Russia)
  • Tarasova Lyudmila S. (Fed Res Ctr KSC SB RAS, Akademgorodok 50-38, Krasnoyarsk 660036, Russia)
  • Vorobyev Sergey A. (Inst Chem & Chem Technol SB RAS, Akademgorodok 50-24, Krasnoyarsk 660036, Russia)
  • Bondar Vladimir S. (Inst Biophys SB RAS, Akademgorodok 50-50, Krasnoyarsk 660036, Russia)
  • Ryzhkov Ilya I. (Siberian Fed Univ, Svobodny 79, Krasnoyarsk 660041, Russia; Inst Computat Modelling SB RAS, Akademgorodok 50-44, Krasnoyarsk 660036, Russia)