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Conventional and Unconventional Methods of Metal Nanoparticle Synthesis, Analysis and Applications

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Materials Chemistry".

Deadline for manuscript submissions: closed (20 April 2023) | Viewed by 2409

Special Issue Editors


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Guest Editor
Faculty of Non-Ferrous Metals, AGH University of Krakow, Al. A. Mickiewicza 30, 30-059 Krakow, Poland
Interests: nanoparticles; nanomaterielas; clusters; metalorganic; complexes; kinetics; catalyst; metal determination; separation
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Guest Editor
1. MTA-SZTE Lendület “Momentum” Noble Metal Nanostructures Research Group, University of Szeged, H-6720 Rerrich B. sqr. 1, Szeged, Hungary
2. Interdisciplinary Excellence Center, Department of Physical Chemistry and Materials Science, University of Szeged, H-6720 Rerrich B. sqr. 1, Szeged, Hungary
Interests: noble metal nanoparticles; noble metal nanoclusters; biosensors; fluorescence
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Faculty of Metals Engineering and Industrial Computer Science, AGH University of Science and Technology, al. A. Mickiewicza 30, 30-059 Kraków, Poland
Interests: TEM; SEM; STEM; nanoparticles; oxidation

Special Issue Information

Dear Colleagues,

The topic of this Special Issue covers the following aspects: (a) the development of new chemical preparation methods for the fabrication of metal nanostructures using biocompatible reagents, one-pot techniques, and/or improved techniques (that have been improved to be more reproducible, cheap, faster, greener, optimized in terms of the process, etc.); (b) the detailed characterization of new nanostructured, metal-based materials including kinetic studies, the determination of mechanisms of nucleation and growth, new insights into the process of nanoparticle/nanocluster synthesis, properties, the role of stabilization, and surface functionalization; (c) diverse synthesis techniques using conventional approaches such as synthesis in batch reactors and unconventional tools, e.g., using microreactor systems, microwaves, etc.; (d) methods of analysis (AFM, HRTEM, STEM, IR, DLS, NMR, XRD, XPS, MP-AES, spectrophotometry, fluorimetry, and others); (e) unique properties of nanomaterials and applications; (f) other aspects related to colloidal systems.

This Special Issue, entitled “Conventional and Unconventional Methods of Metal Nanoparticle Synthesis, Analysis and Applications”, aims to bring together a number of original papers and reviews covering (but not restricted to) all aspects related to the preparation, processing, and characterization of metal nanoparticles and colloidal systems. It is our pleasure to invite you to submit a manuscript to this Special Issue. Full papers, communications, and reviews are all welcome.

Dr. Magdalena Luty-Błocho
Dr. Edit Csapó
Dr. Bogdan Rutkowski
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. Materials 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 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

  • nanoparticles synthesis
  • batch vs. microreactor
  • kinetic studies
  • nucleation and growth
  • colloidal systems
  • nanomaterials application
  • methods of nanomaterials characterisation and analysis

Published Papers (1 paper)

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Research

15 pages, 5531 KiB  
Article
Synthesis of Gold Nanoparticles from Gold Coatings Recovered from E-Waste Processors
by Javier Su-Gallegos, Lorena Magallón-Cacho, Jeannete Ramírez-Aparicio and Edgar Borja-Arco
Materials 2022, 15(20), 7307; https://doi.org/10.3390/ma15207307 - 19 Oct 2022
Cited by 3 | Viewed by 1992
Abstract
This work presents the synthesis of Au nanoparticles from gold coatings recovered from processor pins with minimal waste generation. The process consisted of four main steps: (1) physical recovery of pins, (2) recovery of gold coatings by acid digestion, (3) synthesis of HAuCl [...] Read more.
This work presents the synthesis of Au nanoparticles from gold coatings recovered from processor pins with minimal waste generation. The process consisted of four main steps: (1) physical recovery of pins, (2) recovery of gold coatings by acid digestion, (3) synthesis of HAuCl4 under mild conditions and, (4) synthesis of Au nanoparticles by the Turkevich method. The small dimensions of Au coatings allowed the synthesis of HAuCl4 with lower amounts of HClconc and HNO3conc than those used with aqua regia. This method has significant advantages, such as lower NO2(g) emission, easy post-treatment and purification, low synthesis cost and high yields. Gold nanoparticles synthesized from HAuCl4 were characterized by transmission electron microscopy (TEM) and UV-Vis spectroscopy. Size distribution analysis showed particles 14.23 nm in length and 12.05 nm in width, while absorption spectra showed a surface plasmon located at 523 nm; these characteristics were very similar to those observed with Au nanoparticles obtained with Aldrich’s reagent. It is suggested that recycling procedures can be improved by taking into account the size and shape of the metals to be recovered, thus introducing a new field of research known as hydronanometallurgy. Full article
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