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Dear Colleagues,

Based on the “The 8th Asian Symposium on Advanced Materials (ASAM-8)” held in Novosibirsk, Russia from the 3^rd to the 7^th of July 2023 and organized by the Boreskov Institute of Catalysis (BIC), this special issue is aimed to collect the latest results, progress and remaining challenges related to Advanced Nanocomposite Materials for Energy, Environment and Sustainable Development. Nowadays, nanocomposite materials are widely applied in various fields of science and technology. The scholars working in such areas as materials sciences, catalysis and adsorption, nano- and biotechnologies are welcome to contribute to this Special Issue. The scientific topics are as follows:

Synthesis and Structure of Advanced Nanocomposites;
Novel Functional Nanocomposites and Bionanocomposites;
Application of Nanocomposites in Energy, Optoelectronics, Sensors and Biomedicine

Prof. Dr. Aleksey A. Vedyagin
Guest Editor

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Keywords

porous, 2D, and 3D Nanocomposites
nanocomposite functional materials
nanocomposite catalysts, adsorbents, and ceramics
bionanocomposites
nanocomposites for biomedical engineering

Published Papers (1 paper)

Research

Open AccessArticle

Synthesis of Ni-Cu-CNF Composite Materials via Carbon Erosion of Ni-Cu Bulk Alloys Prepared by Mechanochemical Alloying

and

J. Compos. Sci. 2023, 7(6), 238; https://doi.org/10.3390/jcs7060238 - 06 Jun 2023

Viewed by 220

Abstract

The unique physical and chemical properties of composite materials based on carbon nanofibers (CNFs) makes them attractive to scientists and manufacturers. One promising method to produce CNFs is catalytic chemical vapor deposition (CCVD). In the present work, a method based on carbon erosion (CE) of bulk microdispersed Ni-Cu alloys has been proposed to prepare efficient catalysts for the synthesis of CNF-based composites. The initial Ni-Cu alloys were obtained by mechanochemical alloying (MCA) of metallic powders in a planetary mill. The effect of MCA duration on the phase composition of Ni-Cu samples was studied by X-ray diffraction analysis and temperature-programmed reduction in hydrogen. It has been also revealed that, during such stages as heating, reduction, and short-term exposure to the reaction mixture (C₂H₄/H₂/Ar) at 550 °C, the formation of a Ni-based solid solution from the initial Ni-Cu alloys takes place. The early stages of the CE process were monitored by transmission electron microscopy combined with energy-dispersive X-Ray analysis. It was found that the composition of the catalytic particles is identical to that of the initial alloy. The morphological and structural features of the prepared Ni-Cu-CNF composites were studied by scanning and transmission electron microscopies. The textural characteristics of the composites were found to be dependent on the reaction time. Full article

(This article belongs to the Special Issue Nanocomposite Materials for Energy, Environment and Sustainable Development)

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