Graphene and Other 2D Layer-Based Nanomaterials for Energy and Sensing Applications

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

Deadline for manuscript submissions: 20 September 2024 | Viewed by 443

Special Issue Editor


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Guest Editor
Helmholtz-Zentrum Berlin für Materialien und Energie, Hahn-Meitner-Platz 1, 14109 Berlin, Germany
Interests: carbon nanomaterials and nanostructures; carbon nanotubes; material characterization; graphene; 2D materials; spectroscopy; nanocomposites; thin films; electronic structure
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Special Issue Information

Dear Colleagues,

During recent decades, global power consumption has grown almost 15-fold. The most intensely exploited primary power sources are petroleum (30%), coal (20%), natural gas (20%), and nuclear fuel (6%). This has caused a 4.5-fold increase in the amount of carbon dioxide released into the atmosphere over the last 50 years, giving rise to considerable ecological problems. In addition, the obtained estimates of conventional energy sources demonstrate that the current oil and gas resources are hardly sufficient to provide power for the next 100 years. Thus, on the one hand, one of the foundational problems of the modern power industry is finding alternative renewable power sources (e.g., hydrogen) and efficiently increasing their contribution to global power consumption. On the other hand, it is necessary to develop strategies for more efficient power storage, transmission, and conversion, as well as control over these processes. This is of particular interest due to the active development of the Internet of Things solutions, which require designing innovative low-power machines, systems, and devices.

From this perspective, graphene and other 2D layer-based nanomaterials that are characterized by unique atomic and electronic structures offer the broadest diversity of solutions and strategies in the field of energy applications and gas sensing in terms of monitoring the performance of power storage devices. The chemical and physical properties of these materials can be efficiently designed, engineered, and tuned for each specific energy and sensing application by using the controllable synthesis procedure, modifying their structure through chemical and physical methods, introducing impurities or creating defects, and also by combining them in hybrid structures.

The area of interest of this Special Issue is very broad. We are accepting contributions on the following topics:

  • 2D materials;
  • Layered materials;
  • 2D carbon-based nanocomposites and nanostructures;
  • Graphene and graphene derivatives (GO, rGO, etc.);
  • Cnanotubes and their derivatives;
  • Carbon nanofibers;
  • 2D layered hybrid nanomaterial-based films;
  • Moiré materials;
  • Transition metal dichalcogenides (MX2);
  • WS2;
  • MoS2;
  • Transition metal carbides;
  • Transition metal nitrides;
  • Transition metal carbonitrides (MXenes);
  • Silicene;
  • Germanene;
  • Stanene;
  • Van der Waals heterostructures;
  • Interfaces;
  • 2D layer-based composites.

Dr. Maria Brzhezinskaya
Guest Editor

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Keywords

  • graphene
  • graphene derivatives and functionalization
  • carbon nanotubes and nanofibers
  • 2D materials
  • 2D carbon-based nanomaterials
  • Van der Waals heterostructures
  • 2D layered hybrid nanomaterials
  • energy storage
  • energy conversion
  • sensing

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Published Papers (1 paper)

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22 pages, 5098 KiB  
Article
Rationalizing Graphene–ZnO Composites for Gas Sensing via Functionalization with Amines
by Maxim K. Rabchinskii, Victor V. Sysoev, Maria Brzhezinskaya, Maksim A. Solomatin, Vladimir S. Gabrelian, Demid A. Kirilenko, Dina Yu. Stolyarova, Sviatoslav D. Saveliev, Alexander V. Shvidchenko, Polina D. Cherviakova, Alexey S. Varezhnikov, Sergey I. Pavlov, Sergei A. Ryzhkov, Boris G. Khalturin, Nikita D. Prasolov and Pavel N. Brunkov
Nanomaterials 2024, 14(9), 735; https://doi.org/10.3390/nano14090735 - 23 Apr 2024
Viewed by 346
Abstract
The rational design of composites based on graphene/metal oxides is one of the pillars for advancing their application in various practical fields, particularly gas sensing. In this study, a uniform distribution of ZnO nanoparticles (NPs) through the graphene layer was achieved, taking advantage [...] Read more.
The rational design of composites based on graphene/metal oxides is one of the pillars for advancing their application in various practical fields, particularly gas sensing. In this study, a uniform distribution of ZnO nanoparticles (NPs) through the graphene layer was achieved, taking advantage of amine functionalization. The beneficial effect of amine groups on the arrangement of ZnO NPs and the efficiency of their immobilization was revealed by core-level spectroscopy, pointing out strong ionic bonding between the aminated graphene (AmG) and ZnO. The stability of the resulting Am-ZnO nanocomposite was confirmed by demonstrating that its morphology remains unchanged even after prolonged heating up to 350 °C, as observed by electron microscopy. On-chip multisensor arrays composed of both AmG and Am-ZnO were fabricated and thoroughly tested, showing almost tenfold enhancement of the chemiresistive response upon decorating the AmG layer with ZnO nanoparticles, due to the formation of p-n heterojunctions. Operating at room temperature, the fabricated multisensor chips exhibited high robustness and a detection limit of 3.6 ppm and 5.1 ppm for ammonia and ethanol, respectively. Precise identification of the studied analytes was achieved by employing the pattern recognition technique based on linear discriminant analysis to process the acquired multisensor response. Full article
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