BN/Ag hybrid nanomaterials with petal-like surfaces as catalysts and antibacterial agents

Konstantin L. Firestein; Denis V. Leybo; Alexander E. Steinman; Andrey M. Kovalskii; Andrei T. Matveev; Anton M. Manakhov; Irina V. Sukhorukova; Pavel V. Slukin; Nadezda K. Fursova; Sergey G. Ignatov; Dmitri V. Golberg; Dmitry V. Shtansky

doi:10.3762/bjnano.9.27

Beilstein Journal of Nanotechnology (Jan 2018)

BN/Ag hybrid nanomaterials with petal-like surfaces as catalysts and antibacterial agents

Konstantin L. Firestein,
Denis V. Leybo,
Alexander E. Steinman,
Andrey M. Kovalskii,
Andrei T. Matveev,
Anton M. Manakhov,
Irina V. Sukhorukova,
Pavel V. Slukin,
Nadezda K. Fursova,
Sergey G. Ignatov,
Dmitri V. Golberg,
Dmitry V. Shtansky

Affiliations

Konstantin L. Firestein: National University of Science and Technology “MISIS”, Leninsky prospect 4, Moscow, 119049, Russian Federation
Denis V. Leybo: National University of Science and Technology “MISIS”, Leninsky prospect 4, Moscow, 119049, Russian Federation
Alexander E. Steinman: National University of Science and Technology “MISIS”, Leninsky prospect 4, Moscow, 119049, Russian Federation
Andrey M. Kovalskii: National University of Science and Technology “MISIS”, Leninsky prospect 4, Moscow, 119049, Russian Federation
Andrei T. Matveev: National University of Science and Technology “MISIS”, Leninsky prospect 4, Moscow, 119049, Russian Federation
Anton M. Manakhov: National University of Science and Technology “MISIS”, Leninsky prospect 4, Moscow, 119049, Russian Federation
Irina V. Sukhorukova: National University of Science and Technology “MISIS”, Leninsky prospect 4, Moscow, 119049, Russian Federation
Pavel V. Slukin: State Research Center for Applied Microbiology and Biotechnology, Obolensk, Moscow Region 142279, Russian Federation
Nadezda K. Fursova: State Research Center for Applied Microbiology and Biotechnology, Obolensk, Moscow Region 142279, Russian Federation
Sergey G. Ignatov: State Research Center for Applied Microbiology and Biotechnology, Obolensk, Moscow Region 142279, Russian Federation
Dmitri V. Golberg: School of Chemistry, Physics and Mechanical Engineering, Science and Engineering Faculty, Queensland University of Technology (QUT), 2nd George st., Brisbane, QLD 4000, Australia
Dmitry V. Shtansky: National University of Science and Technology “MISIS”, Leninsky prospect 4, Moscow, 119049, Russian Federation

DOI: https://doi.org/10.3762/bjnano.9.27
Journal volume & issue: Vol. 9, no. 1
pp. 250 – 261

Abstract

Read online

BN/Ag hybrid nanomaterials (HNMs) and their possible applications as novel active catalysts and antibacterial agents are investigated. BN/Ag nanoparticle (NP) hybrids were fabricated using two methods: (i) chemical vapour deposition (CVD) of BN NPs in the presence of Ag vapours, and (ii) ultraviolet (UV) decomposition of AgNO3 in a suspension of BN NPs. The hybrid microstructures were studied by high-resolution transmission electron microscopy (HRTEM), high-angular dark field scanning TEM imaging paired with energy dispersion X-ray (EDX) mapping, X-ray photoelectron spectroscopy (XPS), and infrared spectroscopy (FTIR). They were also characterized in terms of thermal stability, Ag+ ion release, catalytic and antibacterial activities. The materials synthesized via UV decomposition of AgNO3 demonstrated a much better catalytic activity in comparison to those prepared using the CVD method. The best catalytic characteristics (100% methanol conversion at 350 °C) were achieved using the UV BN/Ag HNMs without preliminary annealing at 600 °C in an oxidizing atmosphere. Both types of the BN/Ag HNMs possess a profound antibacterial effect against Escherichia coli K-261 bacteria.

Published in Beilstein Journal of Nanotechnology

ISSN: 2190-4286 (Online)
Publisher: Beilstein-Institut
Country of publisher: Germany
LCC subjects: Technology: Chemical technology; Science: Physics
Website: http://www.beilstein-journals.org/bjnano/home/home.htm

About the journal

Abstract

Keywords