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Crystals
Special Issues
Recent Advances and Applications of Nanomaterials
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Recent Advances and Applications of Nanomaterials

A special issue of Crystals (ISSN 2073-4352).

Deadline for manuscript submissions: closed (29 February 2024) | Viewed by 2198

Special Issue Editors

Dr. Duong Duc La

E-Mail Website
Guest Editor
Institute of Chemistry and Materials, Hanoi 100000, Vietnam
Interests: green synthesis; nanomaterials; environment treatment; graphene
Dr. Hoai Phuong Nguyen Thi

E-Mail Website
Guest Editor
Institute of Chemistry and Materials, Hanoi 100000, Vietnam
Interests: metal-organic framework; recyling materials; nanomaterials; environmental treatment
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Dinh Duc Nguyen

E-Mail Website
Guest Editor
Department of Environmental Energy Engineering, Kyonggi University, Republic of Korea
Interests: green synthesis; nanomaterials; environmental treatment; photocatalysis
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Nanoparticles and nanomaterials with controlled crystallization have caught intensive attention from scientists worldwide because of their potential applications in many technologies and industry sectors: security, information technology, environmental treatment, medical, transportation, energy, food safety, construction, and many others. The capability of tailoring the materials’ structure and crystallization at the nanoscale enabling novel properties could help in many applications. Nanoparticles and nanomaterials with controlled crystallization could be stronger, lighter, more durable, more reactive, more sieve-like, or better electrical conductors, among many other traits than their bulk materials. On the market currently, many commercial nanomaterial-based products have been made available for daily use in all sectors. Such nanoparticles and nanomaterials may include organic, inorganic, polymeric nanoparticles and nanomaterials, bio-molecules and bio-nanomaterials. The applicability of nanomaterials depends on their physicochemical properties which require the scientist to discover new synthesis and characterization approaches to obtain new nanomaterials with desired properties.

This Special Issue covers all research interests in the nanomaterials focusing on new synthesis, crystallization, and characterization methodologies for range of applications including, but not limited to, catalysts, sensing, medical and healthcare, energy, environment remediation, future transport benefit, etc. State-of-the-art research on nanomaterials and their applications from scientist worldwide is welcome for this Special Issue.

Dr. Duong Duc La
Dr. Hoai Phuong Nguyen Thi
Prof. Dr. Dinh Duc Nguyen
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 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. Crystals 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 2600 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.

Keywords

  • crystalline nanomaterials
  • methodology for controlled crystallization of nanomaterials
  • advanced crystalline nanomaterials for sensing
  • green synthesis of crystalline nanomaterials
  • crystalline nanomaterials for medicine
  • crystalline nanomaterials for sensing
  • crystalline nanomaterials for catalyst
  • crystalline nanomaterials for environmental treatment

Published Papers (2 papers)

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Research

16 pages, 7084 KiB  
Article
Competing Magnetocrystalline and Shape Anisotropy in Thin Nanoparticles
by Dominika Kuźma, Oleksandr Pastukh and Piotr Zieliński
Crystals 2024, 14(4), 375; https://doi.org/10.3390/cryst14040375 - 17 Apr 2024
Viewed by 466
Abstract
Micromagnetic computations were performed to predict the magnetisation maps in thin elliptically shaped nanoparticles under a variable external magnetic field. Two materials were compared as the constituents of the nanoparticles: permalloy as an example of an isotropic magnet and cobalt, i.e., a hard [...] Read more.
Micromagnetic computations were performed to predict the magnetisation maps in thin elliptically shaped nanoparticles under a variable external magnetic field. Two materials were compared as the constituents of the nanoparticles: permalloy as an example of an isotropic magnet and cobalt, i.e., a hard magnetic material marked with a single easy axis. The interplay of the shape and magnetocrystalline anisotropy gives rise to a variety of switching scenarios, which may be of interest in designing memory storage devices. A fairly periodic shape-induced superlattice-like spin configuration occurs when the shape and magnetocrystalline easy axes are orthogonal. Possible applications as magnonic devices are discussed. Full article
(This article belongs to the Special Issue Recent Advances and Applications of Nanomaterials)
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15 pages, 5089 KiB  
Article
Nitrogen-Doped Graphene Quantum Dot–Tin Dioxide Nanocomposite Ultrathin Films as Efficient Electron Transport Layers for Planar Perovskite Solar Cells
by Ha Chi Le, Nam Thang Pham, Duc Chinh Vu, Duy Long Pham, Si Hieu Nguyen, Thi Tu Oanh Nguyen and Chung Dong Nguyen
Crystals 2023, 13(6), 961; https://doi.org/10.3390/cryst13060961 - 16 Jun 2023
Cited by 5 | Viewed by 1391
Abstract
Tin dioxide (SnO2) has recently been recognized as an excellent electron transport layer (ETL) for perovskite solar cells (PSCs) due to its advantageous properties, such as its high electron mobility, suitable energy band alignment, simple low-temperature process, and good chemical stability. [...] Read more.
Tin dioxide (SnO2) has recently been recognized as an excellent electron transport layer (ETL) for perovskite solar cells (PSCs) due to its advantageous properties, such as its high electron mobility, suitable energy band alignment, simple low-temperature process, and good chemical stability. In this work, nitrogen-doped graphene quantum dots (N-GQDs) were prepared using a hydrothermal method and then used to fabricate N-GQD:SnO2 nanocomposite ultrathin films. N-GQD:SnO2 nanocomposite ultrathin films were investigated and applied as electron transport layers in planar PSCs. The presence of N-GQDs with an average size of 6.2 nm in the nanocomposite improved its morphology and reduced surface defects. The excitation–emission contour map indicated that the N-GQDs exhibited a remarkably enhanced light-harvesting capability due to the possibility of absorbing UV light and producing emissions in the visible range. The quenching of photoluminescence spectra showed that the N-GQDs in nanocomposite ultrathin films improved electron extraction and reduced charge recombination. As a result, the power conversion efficiency (PCE) of our planar PSCs fabricated with the optimized N-GQD:SnO2 nanocomposite electron transport layer was improved by 20.4% over pristine SnO2-based devices. Full article
(This article belongs to the Special Issue Recent Advances and Applications of Nanomaterials)
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