Synthesis, Characterization and Upscaling of Nanomaterials

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Synthesis, Interfaces and Nanostructures".

Deadline for manuscript submissions: 21 November 2025 | Viewed by 464

Special Issue Editors


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Guest Editor
National Institute of Materials Physics, Atomistilor 405A, 077125 Magurele, Romania
Interests: material chemistry; nanomaterials; chemical synthesis; gas sensing

E-Mail Website
Guest Editor
National Institute of Materials Physics, Atomistilor 405A, 077125 Magurele, Romania
Interests: electron microscopy; micromagnetic; crystallography; tomography; microcontrollers
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Special Issue Information

Dear Colleagues,

There has been increasing research interest in engineering nanoscale materials due to their potential to meet today’s economic, environmental, and ethical standards. Due to their large active area and high surface energy, nanoscale materials may possess unexpected and/or enhanced chemical and physical properties. Among their fields of application are photocatalysis, medicine, cosmetics, the chemical industry, sensors, and electronics. Several methods have been employed for the production of nanomaterials, which can be classified into two categories: top-down and bottom-up. Bottom-up techniques start from the smallest units, such as atoms or molecules, to produce nanoparticles, and top-down techniques start from the larger unit, the bulk, to produce nanoparticles through size reduction. In addition, bottom-up approaches are more economical and allow for the production of nanomaterials with many morphologies and nanostructures. Both techniques have advantages and disadvantages, but top-down approaches are the most reliable when considering the upscaling of certain nanomaterials.

This Special Issue intends to present research on different nanomaterial production approaches for various applications and the most effective methods for upscaling.

Authors are encouraged to submit papers on the following topics:

  1. The synthesis and characterization of nanomaterials.
  2. Nanomaterial synthesis approaches for upscaling.
  3. Nanomaterial applications—synthesis, characterization, and upscaling.
  4. Using AI to understanding how to upscale the synthesis process of nanomaterials.

Dr. Ioana Dorina Vlaicu
Dr. Andrei Cristian Kuncser
Guest Editors

Manuscript Submission Information

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Keywords

  • nanomaterials
  • synthesis
  • characterization
  • upscaling

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Published Papers (1 paper)

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Research

12 pages, 7860 KB  
Article
In Situ Synthesis of RMB6-TMB2 Composite Nanopowders via One-Step Solid-State Reduction
by Xiaogang Guo, Linyan Wang, Hang Zhou, Jun Xu, An Liu, Mengdong Ma, Rongxin Sun, Weidong Qin, Yufei Gao, Bing Liu, Baozhong Li, Lei Sun and Dongli Yu
Nanomaterials 2025, 15(17), 1341; https://doi.org/10.3390/nano15171341 - 1 Sep 2025
Viewed by 287
Abstract
RMB6-TMB2 (RM = rare earth elements, TM = transition metal elements) composites retain superior field emission properties of RMB6 while addressing its inherent mechanical limitations by constructing a eutectic structure with TMB2. Herein, an in situ route [...] Read more.
RMB6-TMB2 (RM = rare earth elements, TM = transition metal elements) composites retain superior field emission properties of RMB6 while addressing its inherent mechanical limitations by constructing a eutectic structure with TMB2. Herein, an in situ route for synthesizing RMB6-TMB2 composite nanopowders with homogeneous phase distribution using reduction reactions was proposed. The LaB6-ZrB2 composite nanopowders were synthesized in situ for the first time using sodium borohydride (NaBH4) as both a reducing agent and boron source, with lanthanum oxide (La2O3) and zirconium dioxide (ZrO2) serving as metal sources. The effects of the synthesis temperature on phase compositions and microstructure of the composites were systematically investigated. The LaB6-ZrB2 system with a eutectic weight ratio exhibited an accelerated reaction rate, achieving a complete reaction at 1000 °C, 300 °C lower than that of single-phase ZrB2 synthesis. The composite phases were uniformly distributed even at nanoscale. The composite powder displayed an average particle size of ~170 nm when synthesized at 1300 °C. With the benefit of the in situ synthesis method, LaB6-TiB2, CeB6-ZrB2, and CeB6-TiB2 composite powders were successfully synthesized. This process effectively addresses phase separation and contamination issues typically associated with traditional mixing methods, providing a scalable precursor for high-performance RMB6-TMB2 composites. Full article
(This article belongs to the Special Issue Synthesis, Characterization and Upscaling of Nanomaterials)
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