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Nanomaterials
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State-of-the-Art Carbon Related and Low-Dimensional Functional Nanomaterials
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State-of-the-Art Carbon Related and Low-Dimensional Functional Nanomaterials

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "2D and Carbon Nanomaterials".

Deadline for manuscript submissions: 28 March 2025 | Viewed by 3719

Special Issue Editor

Prof. Dr. Hiroshi Furuta

E-Mail Website
Guest Editor
School of Systems Engineering, Kochi University of Technology, Kochi, Japan
Interests: carbon nanotubes; graphene; low-dimensional materials; metamaterials; energy storage and conversion materials; neuromorphic materials; thin film technology; field emission
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue will aims to publish original research and review articles related to carbon related and low-dimensional nanomaterials. Research topics include, but are not limited to, the following:

  • Fabrication and characterization techniques, and applications of carbon related and low-dimensional nanomaterials;
  • Structural, electonic, magnetic, and optical properties carbon related and low-dimensional nanomaterials;

This Special Issue will portray the state of carbon-related and emerging low-dimensional nanomaterials research and will more clearly present the progress in this field of nano-scale science and technologies, with the hope of promoting communication and collaboration among researchers in this field worldwide.

Prof. Dr. Hiroshi Furuta
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.

Keywords

  • graphene
  • carbon nanotubes
  • layered III–VI metal chalcogenides
  • low-dimensional semiconductor nanomaterials
  • low-dimensional photovoltaic nanomaterials
  • low-dimensional electron nanomaterials
  • low-dimensional optical nanomaterials

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Further information on MDPI's Special Issue polices can be found here.

Published Papers (3 papers)

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Research

15 pages, 4235 KiB  
Article
Honeycomb Cell Structures Formed in Drop-Casting CNT Films for Highly Efficient Solar Absorber Applications
by Saiful Islam and Hiroshi Furuta
Nanomaterials 2024, 14(20), 1633; https://doi.org/10.3390/nano14201633 - 11 Oct 2024
Viewed by 457
Abstract
This study investigates the process of using multi-walled carbon nanotube (MWCNT) coatings to enhance lamp heating temperatures for solar thermal absorption applications. The primary focus is studying the effects of the self-organized honeycomb structures of CNTs formed on silicon substrates on different cell [...] Read more.
This study investigates the process of using multi-walled carbon nanotube (MWCNT) coatings to enhance lamp heating temperatures for solar thermal absorption applications. The primary focus is studying the effects of the self-organized honeycomb structures of CNTs formed on silicon substrates on different cell area ratios (CARs). The drop-casting process was used to develop honeycomb-structured MWCNT-coated absorbers with varying CAR values ranging from ~60% to 17%. The optical properties were investigated within the visible (400–800 nm) and near-infrared (934–1651 nm) wavelength ranges. Although fully coated MWCNT absorbers showed the lowest reflectance, honeycomb structures with a ~17% CAR achieved high-temperature absorption. These structures maintained 8.4% reflectance at 550 nm, but their infrared reflection dramatically increased to 80.5% at 1321 nm. The solar thermal performance was assessed throughout a range of irradiance intensities, from 0.04 W/cm2 to 0.39 W/cm2. The honeycomb structure with a ~17% CAR value consistently performed better than the other structures by reaching the highest absorption temperatures (ranging from 52.5 °C to 285.5 °C) across all measured intensities. A direct correlation was observed between the reflection ratio (visible: 550 nm/infrared: 1321 nm) and the temperature absorption efficiency, where lower reflection ratios were associated with higher temperature absorption. This study highlights the significant potential for the large-scale production of cost-effective solar thermal absorbers through the application of optimized honeycomb-structured absorbers coated with MWCNTs. These contributions enhance solar energy efficiency for applications in water heating and purification, thereby promoting sustainable development. Full article
(This article belongs to the Special Issue State-of-the-Art Carbon Related and Low-Dimensional Functional Nanomaterials)
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14 pages, 2959 KiB  
Article
Impact of Single-Walled Carbon Nanotube Functionalization on Ion and Water Molecule Transport at the Nanoscale
by Alia Mejri, Nicolas Arroyo, Guillaume Herlem, John Palmeri, Manoel Manghi, François Henn and Fabien Picaud
Nanomaterials 2024, 14(1), 117; https://doi.org/10.3390/nano14010117 - 3 Jan 2024
Cited by 3 | Viewed by 1582
Abstract
Nanofluidics has a very promising future owing to its numerous applications in many domains. It remains, however, very difficult to understand the basic physico-chemical principles that control the behavior of solvents confined in nanometric channels. Here, water and ion transport in carbon nanotubes [...] Read more.
Nanofluidics has a very promising future owing to its numerous applications in many domains. It remains, however, very difficult to understand the basic physico-chemical principles that control the behavior of solvents confined in nanometric channels. Here, water and ion transport in carbon nanotubes is investigated using classical force field molecular dynamics simulations. By combining one single walled carbon nanotube (uniformly charged or not) with two perforated graphene sheets, we mimic single nanopore devices similar to experimental ones. The graphitic edges delimit two reservoirs of water and ions in the simulation cell from which a voltage is imposed through the application of an external electric field. By analyzing the evolution of the electrolyte conductivity, the role of the carbon nanotube geometric parameters (radius and chirality) and of the functionalization of the carbon nanotube entrances with OH or COO− groups is investigated for different concentrations of group functions. Full article
(This article belongs to the Special Issue State-of-the-Art Carbon Related and Low-Dimensional Functional Nanomaterials)
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24 pages, 18859 KiB  
Article
CNT-PUFs: Highly Robust and Heat-Tolerant Carbon-Nanotube-Based Physical Unclonable Functions
by Florian Frank, Simon Böttger, Nico Mexis, Nikolaos Athanasios Anagnostopoulos, Ali Mohamed, Martin Hartmann, Harald Kuhn, Christian Helke, Tolga Arul, Stefan Katzenbeisser and Sascha Hermann
Nanomaterials 2023, 13(22), 2930; https://doi.org/10.3390/nano13222930 - 11 Nov 2023
Cited by 1 | Viewed by 1231
Abstract
In this work, we explored a highly robust and unique Physical Unclonable Function (PUF) based on the stochastic assembly of single-walled Carbon NanoTubes (CNTs) integrated within a wafer-level technology. Our work demonstrated that the proposed CNT-based PUFs are exceptionally robust with an average [...] Read more.
In this work, we explored a highly robust and unique Physical Unclonable Function (PUF) based on the stochastic assembly of single-walled Carbon NanoTubes (CNTs) integrated within a wafer-level technology. Our work demonstrated that the proposed CNT-based PUFs are exceptionally robust with an average fractional intra-device Hamming distance well below 0.01 both at room temperature and under varying temperatures in the range from 23 ∘C to 120 ∘C. We attributed the excellent heat tolerance to comparatively low activation energies of less than 40 meV extracted from an Arrhenius plot. As the number of unstable bits in the examined implementation is extremely low, our devices allow for a lightweight and simple error correction, just by selecting stable cells, thereby diminishing the need for complex error correction. Through a significant number of tests, we demonstrated the capability of novel nanomaterial devices to serve as highly efficient hardware security primitives. Full article
(This article belongs to the Special Issue State-of-the-Art Carbon Related and Low-Dimensional Functional Nanomaterials)
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