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Nanomaterials
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Plasma Processing of Inorganic Nanomaterials: From Fabrication to Functional Applications
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Plasma Processing of Inorganic Nanomaterials: From Fabrication to Functional Applications

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Nanofabrication and Nanomanufacturing".

Deadline for manuscript submissions: closed (31 July 2021) | Viewed by 5283

Special Issue Editor

Prof. Dr. Chiara Maccato

E-Mail Website
Guest Editor
Chemical Science Department, Padova University, Via Marzolo, 1, 35131 Padova, Italy
Interests: metal oxide nanomaterials; chemical vapour deposition; photocatalysis; electrocatalysis; sensing

Special Issue Information

Dear Colleagues,

In recent decades, the fast advancements in the preparation of multifunctional nanomaterials have prompted the exploitation of new synthetic approaches to face the hard tasks related to the obtainment of high pure systems endowed with specific structural and morphological features. In this context, plasma technologies provide an exceptional option not only for the growth of a broad variety of materials, ranging from powders to thin films, nanocomposites and 1D and 2D nanoarchitectures, but also for their special flexibility in tailoring the system properties and functional behavior. This peculiar synthetic approach is an appealing and versatile tool for the preparation/activation of nanosystems characterized by unique chemicophysical features which can be finely tailored by a proper tuning of process parameters.

Prof. Dr. Chiara Maccato
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Nanomaterials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2900 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Published Papers (2 papers)

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Research

12 pages, 6002 KiB  
Article
RF Thermal Plasma Synthesis of Ultrafine ZrB2-ZrC Composite Powders
by Liuyang Bai, Fangli Yuan, Zheng Fang, Qi Wang, Yuge Ouyang, Huacheng Jin, Jiaping He, Wenfu Liu and Yinling Wang
Nanomaterials 2020, 10(12), 2497; https://0-doi-org.brum.beds.ac.uk/10.3390/nano10122497 - 12 Dec 2020
Cited by 5 | Viewed by 2127
Abstract
Ultrafine ZrB2-ZrC composite powders were synthesized via a radiofrequency (RF) thermal plasma process. Numerical simulation and thermodynamic analysis were conducted to predict the synthesis process, and experimental work was performed accordingly to demonstrate its feasibility. The as-prepared samples were characterized by [...] Read more.
Ultrafine ZrB2-ZrC composite powders were synthesized via a radiofrequency (RF) thermal plasma process. Numerical simulation and thermodynamic analysis were conducted to predict the synthesis process, and experimental work was performed accordingly to demonstrate its feasibility. The as-prepared samples were characterized by XRD, FESEM, particle size analyzer, nitrogen/oxygen analyzer, Hall flowmeter, and the Brunner-Emmet-Teller (BET) measurements. The thermodynamic analysis indicated that ZrB2 was preferentially generated, rather than ZrC, and numerical simulation revealed that the solid raw materials could disperse well in the gaseous reactants, and experimental work showed that free carbon particles were easily removed from the products and the elements of Zr, B, C, and O exhibited a uniform distribution. Finally, ZrB2-ZrC composite powders with a particle size of about 100 nm were obtained, the surface area of which was 32.15 m2/g and the apparent density was 0.57 g/cm3. Full article
(This article belongs to the Special Issue Plasma Processing of Inorganic Nanomaterials: From Fabrication to Functional Applications)
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13 pages, 5677 KiB  
Article
Plasma-Assisted Chemical Vapor Deposition of F-Doped MnO2 Nanostructures on Single Crystal Substrates
by Lorenzo Bigiani, Chiara Maccato, Alberto Gasparotto, Cinzia Sada, Elza Bontempi and Davide Barreca
Nanomaterials 2020, 10(7), 1335; https://0-doi-org.brum.beds.ac.uk/10.3390/nano10071335 - 8 Jul 2020
Cited by 5 | Viewed by 2657
Abstract
MnO2 nanostructures were fabricated by plasma assisted-chemical vapor deposition (PA-CVD) using a fluorinated diketonate diamine manganese complex, acting as single-source precursor for both Mn and F. The syntheses were performed from Ar/O2 plasmas on MgAl2O4(100), YAlO3 [...] Read more.
MnO2 nanostructures were fabricated by plasma assisted-chemical vapor deposition (PA-CVD) using a fluorinated diketonate diamine manganese complex, acting as single-source precursor for both Mn and F. The syntheses were performed from Ar/O2 plasmas on MgAl2O4(100), YAlO3(010), and Y3Al5O12(100) single crystals at a growth temperature of 300 °C, in order to investigate the substrate influence on material chemico-physical properties. A detailed characterization through complementary analytical techniques highlighted the formation of highly pure and oriented F-doped systems, comprising the sole β-MnO2 polymorph and exhibiting an inherent oxygen deficiency. Optical absorption spectroscopy revealed the presence of an appreciable Vis-light harvesting, of interest in view of possible photocatalytic applications in pollutant degradation and hydrogen production. The used substrates directly affected the system structural features, as well as the resulting magnetic characteristics. In particular, magnetic force microscopy (MFM) measurements, sensitive to the out-of-plane magnetization component, highlighted the formation of spin domains and long-range magnetic ordering in the developed materials, with features dependent on the system morphology. These results open the door to future engineering of the present nanostructures as possible magnetic media for integration in data storage devices. Full article
(This article belongs to the Special Issue Plasma Processing of Inorganic Nanomaterials: From Fabrication to Functional Applications)
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