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Nanoparticles for Conductors
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Nanoparticles for Conductors

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Advanced Nanomaterials and Nanotechnology".

Deadline for manuscript submissions: closed (10 October 2022) | Viewed by 4881

Special Issue Editor

Prof. Dr. Dominique de Caro

E-Mail Website
Guest Editor
LCC Coordination Chemistry Laboratory, Toulouse, France
Interests: molecule-based conductors, superconductors, and magnets; nanoparticles; nanowires; nanostructured surfaces; thin films

Special Issue Information

Dear Colleagues,

The preparation, study, and processing of nanoparticles for conductors is a subject of intense interest today. This field mobilizes the efforts of solid state chemists, molecular chemists, physicists, electronic engineers, biologists, etc.

The purpose of this Special Issue, entitled “Nanoparticles for Conductors”, is to collect high-quality papers in the fields of conducting nanoparticles (metals, metal oxides or nitrides, conducting polymers, molecule-based conductors, etc.) and nanoparticles for molecular electronics. Furthermore, special attention will be given to articles highlighting applications such as transparent conductors based on nanoparticles, stretchable or flexible nanoparticle conductors, or sensors composed of conducting nanoparticles.

It is a great pleasure to invite colleagues to submit a manuscript to this Special Issue. Communications, full papers, and reviews are all welcome.

Prof. Dominique de Caro
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. 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

  • metallic nanoparticles
  • conducting metal oxide and metal nitride nanoparticles
  • conducting polymer nanoparticles
  • nanoparticles of charge-transfer salts
  • nanoparticles for molecular electronics
  • transparent conductors composed of nanoparticles
  • stretchable or flexible nanoparticle conductors
  • sensors based on conducting nanoparticles

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Published Papers (2 papers)

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Research

7 pages, 2690 KiB  
Communication
First Nanoparticles of a Conductor Based on the Organic Donor Molecule BETS: κ-(BETS)2FeCl4
by Kane Jacob, Christophe Faulmann, Dominique de Caro and Lydie Valade
Materials 2021, 14(16), 4444; https://doi.org/10.3390/ma14164444 - 8 Aug 2021
Viewed by 1632
Abstract
Nanoparticles of the molecular superconductor (BETS)2FeCl4 were obtained by the electrochemical oxidation of BETS in the presence of [(C2H5)4N]FeCl4 and an amphiphilic imine (OATM), acting as a growth controlling agent. When the reaction [...] Read more.
Nanoparticles of the molecular superconductor (BETS)2FeCl4 were obtained by the electrochemical oxidation of BETS in the presence of [(C2H5)4N]FeCl4 and an amphiphilic imine (OATM), acting as a growth controlling agent. When the reaction was carried out with a molar ratio OATM/BETS of 10, roughly spherical nanoparticles exhibiting sizes in the 10–40 nm range were observed. X-ray diffraction patterns evidenced the growth of (BETS)2FeCl4 nanoparticles with the κ-type structure. The current-voltage characteristic recorded on an individual nanoparticle aggregate was fitted with a Shockley diode model. A saturation current of 1216 pA and a threshold voltage of 0.62 V were extracted from this model. This latter value was consistent with roughly half of the energy gap of the semiconducting nano-crystalline aggregate. Full article
(This article belongs to the Special Issue Nanoparticles for Conductors)
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13 pages, 16279 KiB  
Article
Characterization of Charge States in Conducting Organic Nanoparticles by X-ray Photoemission Spectroscopy
by Jordi Fraxedas, Antje Vollmer, Norbert Koch, Dominique de Caro, Kane Jacob, Christophe Faulmann and Lydie Valade
Materials 2021, 14(8), 2058; https://doi.org/10.3390/ma14082058 - 19 Apr 2021
Cited by 1 | Viewed by 2539
Abstract
The metallic and semiconducting character of a large family of organic materials based on the electron donor molecule tetrathiafulvalene (TTF) is rooted in the partial oxidation (charge transfer or mixed valency) of TTF derivatives leading to partially filled molecular orbital-based electronic bands. The [...] Read more.
The metallic and semiconducting character of a large family of organic materials based on the electron donor molecule tetrathiafulvalene (TTF) is rooted in the partial oxidation (charge transfer or mixed valency) of TTF derivatives leading to partially filled molecular orbital-based electronic bands. The intrinsic structure of such complexes, with segregated donor and acceptor molecular chains or planes, leads to anisotropic electronic properties (quasi one-dimensional or two-dimensional) and morphology (needle-like or platelet-like crystals). Recently, such materials have been synthesized as nanoparticles by intentionally frustrating the intrinsic anisotropic growth. X-ray photoemission spectroscopy (XPS) has emerged as a valuable technique to characterize the transfer of charge due to its ability to discriminate the different chemical environments or electronic configurations manifested by chemical shifts of core level lines in high-resolution spectra. Since the photoemission process is inherently fast (well below the femtosecond time scale), dynamic processes can be efficiently explored. We determine here the fingerprint of partial oxidation on the photoemission lines of nanoparticles of selected TTF-based conductors. Full article
(This article belongs to the Special Issue Nanoparticles for Conductors)
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