Preparation and Characterization 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: 30 November 2025 | Viewed by 295

Special Issue Editor


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Guest Editor
Key Laboratory of Functional Molecular Solids, Ministry of Education, School of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, China
Interests: preparation of inorganic semiconductor nanomaterials; synthesis and application of inorganic sulfur polymorphic nanocrystals; photocatalytic hydrogen production; small molecule synthesis

Special Issue Information

Dear Colleagues,

Nanomaterials, defined as materials with dimensions in the nanometer range, have revolutionized multiple fields due to their unique properties. The origins of nanotechnology can be traced back to the 1950s, with substantial progress occurring in the 1980s and 1990s. During this period, critical techniques, such as atomic force microscopy (AFM) and scanning tunneling microscopy (STM), were developed, facilitating precise manipulation and characterization of nanoscale materials, thereby enabling revolutionary applications in electronics, medicine, energy, and environmental science.

The early studies concentrated on elucidating the fundamental principles of nanoscale phenomena and the synthesis methodologies for creating these materials. As research advanced, numerous techniques for manipulating and characterizing nanomaterials were established, thereby enabling new opportunities in diverse fields such as electronics, medicine, and energy. Overall, the preparation and characterization of nanomaterials remain foundational to the field.

This Special Issue is dedicated to presenting the most recent advancements and breakthroughs in the preparation and characterization of nanomaterials. We invite submissions that investigate innovative synthesis methods, state-of-the-art characterization techniques, and groundbreaking applications of nanomaterials. The scope encompasses, but is not restricted to, the development of nanomaterials for catalysis, energy storage and conversion, sensing technologies, and renewable energy solutions. We particularly encourage interdisciplinary research that combines insights from chemistry, physics, biology, and engineering.

  1. Novel synthesis techniques for nanomaterials;
  2. Advanced characterization methods for nanoscale analysis;
  3. Innovative applications of nanomaterials in technology and industry;
  4. Interdisciplinary studies combining nanomaterials with other scientific disciplines;
  5. Sustainable and environmentally friendly approaches to nanomaterial production.

We are currently inviting submissions of original research articles, comprehensive review papers, and concise, short communications that showcase innovative methodologies, novel discoveries, and detailed analyses in the field of nanomaterials preparation and characterization.

Prof. Dr. Liang Wu
Guest Editor

Manuscript Submission Information

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Keywords

  • hydrothermal method
  • colloidal method
  • CVD
  • ion exchange reaction
  • photocatalysis
  • electrocatalysis
  • energy storage
  • solar cells
  • PEC

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Published Papers (1 paper)

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Research

14 pages, 3628 KiB  
Article
Phase Evolution of High-Entropy Stannate Pyrochlore Oxide Synthesized via Glycine-Assisted Sol–Gel Synthesis as a Thermal Barrier Coating Material
by Mariappan Anandkumar, Kannan Pidugu Kesavan, Shanmugavel Sudarsan, Dmitry Evgenievich Zhivulin, Natalia Aleksandrovna Shaburova, Ahmad Ostovari Moghaddam, Ksenia Sergeevna Litvinyuk and Evgeny Alekseevich Trofimov
Nanomaterials 2025, 15(12), 939; https://doi.org/10.3390/nano15120939 - 17 Jun 2025
Viewed by 200
Abstract
High-entropy ceramics have gained wider attention due to their structural integrity and stability, which can be used in various functional applications. Especially, high-entropy oxides exhibit excellent thermal stability, particularly at high temperatures. Thermal barrier coating materials must demonstrate good thermal stability without any [...] Read more.
High-entropy ceramics have gained wider attention due to their structural integrity and stability, which can be used in various functional applications. Especially, high-entropy oxides exhibit excellent thermal stability, particularly at high temperatures. Thermal barrier coating materials must demonstrate good thermal stability without any phase transformation or phase separation, which is critical in aerospace and energy conversion applications. To address this, we have prepared new high-entropy stannate pyrochlore oxide nanoparticles with the composition (Gd0.2Nd0.2La0.2Pr0.2Sm0.2)2Sn2O7 through a simple glycine-assisted sol–gel synthesis. The phase evolution was probed at different heat-treatment temperatures from 1000 °C to 1500 °C. Among the temperatures investigated, a single-phase pyrochlore oxide was formed from 1300 °C without any impurity or phase separation. The obtained nanoparticles were characterized using various techniques, including X-ray diffraction (XRD), field-emission scanning electron microscopy (FESEM), nanoindentation, and dilatometry to investigate their physiochemical and mechanical properties. The Vickers hardness of high-entropy oxides is 4.2 ± 0.33 GPa, while a thermal expansion coefficient (TEC) of 8.7 × 10−6 K−1 at 900 °C is calculated. The results show that the prepared high-entropy pyrochlore oxide can be a suitable candidate for thermal barrier coating. Full article
(This article belongs to the Special Issue Preparation and Characterization of Nanomaterials)
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