Special Issue "Tuning the Physicochemical Properties of Nanostructured Materials through Advanced Preparation Methods"

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

Deadline for manuscript submissions: 15 December 2020.

Special Issue Editors

Dr. John Vakros
Guest Editor
Department of Chemistry, University of Patras, Patras 26504, Greece
Interests: preparation; characterization and testing of supported catalysts; environmental friendly processes; advanced oxidation processes; biochar applications; acid-base behavior of nanoparticles; potentiometric mass titrations; metal support interactions
Special Issues and Collections in MDPI journals
Prof. Dr. George Avgouropoulos
Guest Editor
Department of Materials Science, University of Patras, Patras 26504, Greece
Interests: synthesis and characterization of nanomaterials, heterogeneous nanocatalysts, catalytic hydrogen technologies, environmental catalytic chemical processes, methanol fuel cells, Li- and Na-ion batteries

Special Issue Information

Dear Colleagues,

Over the last few decades, nanotechnology has gained huge interest due to its extensive application in various fields including catalysis, electronics, optics, energy, and environment. The design and controlled synthesis of advanced nanomaterials with unique properties make them highly attractive in these fields. 

Nanomaterials can be classified into one-, two-, and three-dimensional materials. The main characteristic of nanostructured materials is their surface reactivity due to their active surface functional groups. The control of the size, shape, and nature of nanoparticles is strongly influenced by the synthetic route applied during the preparation step (i.e. hydrothermal, solvothermal, combustion, sol-gel).

We kindly invite you to submit a high-quality contribution to this Special Issue of Nanomaterials, entitled, “Tuning the physicochemical properties of nanostructured materials through advanced preparation methods,” and to discuss the recent developments in nanomaterials with regard to the preparation method used. Review and original research articles are all welcome. Experimental as well as theoretical inquiries will be addressed.

Dr. John Vakros
Prof. George Avgouropoulos
Guest Editors

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 papers will be 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 monthly 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 2000 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.


  • Nanostructured materials
  • Preparation method
  • Catalyst
  • Combustion
  • Hydrothermal
  • Sol-gel
  • Physicochemical properties
  • Synthesis parameters

Published Papers (2 papers)

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Jump to: Review

Open AccessArticle
Fabrication of Nanoyttria by Method of Solution Combustion Synthesis
Nanomaterials 2020, 10(5), 831; https://doi.org/10.3390/nano10050831 - 27 Apr 2020
In the work the research on properties of an yttria nanopowder obtained by solution combustion synthesis (SCS) in terms of its application in ceramic technology is presented. In order to characterize the SCS reaction the decomposition of yttrium nitrate, glycine and their solution [...] Read more.
In the work the research on properties of an yttria nanopowder obtained by solution combustion synthesis (SCS) in terms of its application in ceramic technology is presented. In order to characterize the SCS reaction the decomposition of yttrium nitrate, glycine and their solution was investigated using differential thermal analysis coupled with FT-IR spectrometry of the gases emitted during the measurements. The product obtained in the SCS process was characterized in terms of its microstructure, particle size distribution and BET specific surface. Although the obtained powders showed nanoscaled structures, only after calcination at a temperature of 1100 °C nanosized particles were revealed. The calcined powder occurred in an agglomerated state (cumulants mean Zave = 1.3 µm). After milling particle size was successfully decreased to Zave = 0.28 µm. The deagglomerated powder was isostatically densified and tested for sintering ability. The obtained nanopowder showed very high sintering activity as the shrinkage onset was detected already at a temperature of about 1150 °C. Full article
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Jump to: Research

Open AccessReview
One-, Two-, and Three-Dimensional Self-Assembly of Atomically Precise Metal Nanoclusters
Nanomaterials 2020, 10(6), 1105; https://doi.org/10.3390/nano10061105 - 03 Jun 2020
Metal nanoclusters (NCs), which consist of several, to about one hundred, metal atoms, have attracted much attention as functional nanomaterials for use in nanotechnology. Because of their fine particle size, metal NCs exhibit physical/chemical properties and functions different from those of the corresponding [...] Read more.
Metal nanoclusters (NCs), which consist of several, to about one hundred, metal atoms, have attracted much attention as functional nanomaterials for use in nanotechnology. Because of their fine particle size, metal NCs exhibit physical/chemical properties and functions different from those of the corresponding bulk metal. In recent years, many techniques to precisely synthesize metal NCs have been developed. However, to apply these metal NCs in devices and as next-generation materials, it is necessary to assemble metal NCs to a size that is easy to handle. Recently, multiple techniques have been developed to form one-, two-, and three-dimensional connected structures (CSs) of metal NCs through self-assembly. Further progress of these techniques will promote the development of nanomaterials that take advantage of the characteristics of metal NCs. This review summarizes previous research on the CSs of metal NCs. We hope that this review will allow readers to obtain a general understanding of the formation and functions of CSs and that the obtained knowledge will help to establish clear design guidelines for fabricating new CSs with desired functions in the future. Full article
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Planned Papers

The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.

Title: Catalytic wet hydrogen peroxide oxidation of isoeugenol to vanillin using microwave-assisted synthesized metal loaded catalysts
Authors: Paloma García-Albar, Evan Pfab, Noelia Lázaro, Angel García, Antonio A.Romero, Rafael Luque, Antonio Pineda
Affiliation: Universidad de Cordoba, Cordoba, Spain
Abstract: Supported metal nanoparticles (Cu, Ti, W, Mo among others) have been stabilized on a silica matrix following an efficient and sustainable microwave-assisted protocol. The materials synthesized were characterized, mainly, by nitrogen adsorption desorption measurements, X-ray diffraction (XRD), scanning electron microscopy/energy dispersive X-ray analysis (SEM/EDS). The catalytic activity of the resulting materials was evaluated in the catalytic wet oxidation of isoeugenol into vanillin using hydrogen peroxide as oxidant. The catalysts shown moderate conversions, up to 50-60% for Cu-MINT with acceptable selectivities to vanillin (22-45 %), obtaining dimers as main side products. The stability of the catalysts was investigated as well, obtaining an imperceptible decrease after the fourth use.

Title: Physio-Chemical properties of electrospun Nanofibers for water, air and 'medicinal applications
Authors: S. Sundarrajan and Seeram Ramakrishna
Affiliation: National University of Singapore
Abstract: Upcoming soon~

Title: Catalyst Support Performance of CNT Implanted CNF Materials
Authors: Jun Kang et al
Affiliation: Korea Maritime and Ocean University
Abstract: Upcoming soon~

Title: Supramolecular Structure Consisting of Atomically Precise Metal Nanoclusters; Preparation, Geometrical Structure, and Physical and Chemical Properties
Authors: Yuichi Negishi
Affiliation: Department of Applied Chemistry, Faculty of Science, Tokyo University of Science, Tokyo, Japan
Abstract: Upcoming soon~

Title: Improved Water-Gas Shift Performance of Au-NiAl LDHs Nanostructured Catalysts via CeO2 Addition
Authors: Margarita Gabrovska 1,*, Ivan Ivanov 1, Dimitrinka Nikolova 1, Jugoslav Krstić 2, Dorel Crişan 3, Maria Crişan 3, Krassimir Tenchev 1, Vasko Idakiev 1 and Tatyana Tabakova 1,*
Affiliation: 1. Institute of Catalysis, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
2. University of Belgrade, Institute of Chemistry, Technology and Metallurgy, Department of Catalysis and Chemical Engineering, 11000 Belgrade, Serbia;
3. “Ilie Murgulescu” Institute of Physical Chemistry, Romanian Academy, 060021 Bucharest, Romania;
Abstract: It was pointed out in our recent paper that supported gold on co-precipitated nanosized NiAl layered double hydroxides (LDH) were effective catalysts for medium-temperature water-gas shift (WGS) reaction, an industrial catalytic process traditionally applied for reduction the amount of CO in the synthesis gas and production of pure hydrogen. The motivation of the present study was to improve the performance of Au-NiAl catalyst via modification by CeO2. An innovative approach for the direct deposition of ceria (1, 3 or 5 wt. %) on NiAl LDH, based on the precipitation of Ce3+ ions with 1MNaOH, was developed. The proposed method gives the opportunity to obtain CeO2 phase and to preserve NiAl layered structure by avoiding the calcination treatment. The synthesis of Au-containing samples were performed through deposition-precipitation mode. The as-prepared and WGS-tested samples were characterized by X-ray powder diffraction, N2-physisorption and temperature-programmed reduction in order to clarify the effects of Au and CeO2 loading on the structure, phase composition, texture, reducibility and activity of the studied catalysts. The WGS behaviour of Au-NiAl catalysts was significantly affected by the addition of CeO2. A favorable role of ceria was revealed by comparing the CO conversion degree at 220 °C reached by ceria-modified Au-NiAl and ceria-free samples (99.4 % and 83.4 %, respectively). It can be stated that tuning the properties of Au-NiAl LDH via CeO2 addition offers catalyst with possibilities for practical application owing to the innovative synthesis and improved WGS performance.

Title: Evaluation of local mechanical and chemical properties via AFM as a tool for understanding the formation mechanism of pulsed UV laser-nanoinduced patterns on azo-polyimide films
Authors: Iuliana Stoica 1, Ion Sava 2, Catalin-Paul Constantin 2, Elena-Laura Ursu 3, Ilarion Mihaila 4
Affiliation: 1 Department of Polymeric Materials Physics, "Petru Poni" Institute of Macromolecular Chemistry, Iasi-700487, Romania 2 Department of Polycondensation and Thermostable Polymers, "Petru Poni" Institute of Macromolecular Chemistry, Iasi-700487, Romania 3 Centre of Advanced Research in Bionanoconjugates and Biopolymers, "Petru Poni" Institute of Macromolecular Chemistry, Iasi-700487, Romania 4 Integrated Center of Environmental Science Studies in the North-Eastern Development Region (CERNESIM), "Alexandru Ioan Cuza" University of Iasi, Iasi-700506, Romania
Abstract: Aromatic polyimides containing side azobenzene groups have been investigated regarding their capacity of generating SRG induced by pulsed UV laser irradiation through phase masks, using different fluencies and pulses number. The process of the material photo-fluidization induced by the trans-cis isomerization of the azo-segments, and the azobenzene dipoles orientation, having effects in supramolecular re-organization of the surface, was investigated using atomic force microscopy (AFM). At first, an AFM nanoscale topographical analysis of the induced SRGs was performed in terms of morphology and tridimensional amplitude, spatial, hybrid and functional parameters. Afterwards, a nanomechanical characterization of SRGs using an innovative method, namely AFM PinPoint™ mode, was performed, the quantitative nanomechanical properties (i.e., modulus, adhesion, deformation) of the nanostructured azo-polyimide surfaces being acquired with highly-correlated topographic registration. This method proved to be very effective for understanding the formation mechanism of the surface modulations during pulsed UV laser irradiation. Additionally to AFM investigations, confocal Raman measurements were performed to provide informations about structured azo-polyimide chemical composition and macromolecular conformation.

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