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Nanoenergy Advances
Special Issues
Fabrication and Characterization of Materials for Nanoenergy
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Fabrication and Characterization of Materials for Nanoenergy

A special issue of Nanoenergy Advances (ISSN 2673-706X).

Deadline for manuscript submissions: closed (31 August 2023) | Viewed by 7322

Special Issue Editors

Dr. Christian Falconi

E-Mail Website
Guest Editor
Department of Electronic Engineering, University of Rome Tor Vergata, 00133 Roma, Italy
Interests: analog electronics; electronic interfaces; sensors; micro/nanosystems; electronic devices; biomedical engineering and nanogenerators
Special Issues, Collections and Topics in MDPI journals
Dr. Wenzhuo Wu

E-Mail Website
Guest Editor
School of Industrial Engineering, Purdue University, West Lafayette, IN 47907-2023, USA
Interests: design, manufacturing, and integration of nanomaterials for applications in energy, electronics, optoelectronics, quantum devices, and wearable sensors
Prof. Dr. Yi Xi

E-Mail Website
Guest Editor
College of Physics, Chongqing University, Chongqing, China
Interests: functional materials; piezoelectric devices; energy conversion and storage; environmental energy harvesting
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Nanoenergy devices can outperform conventional devices in a wide variety of applications, including energy harvesting, energy storage, nanotransducers, and more. In fact, the properties of transduction crucially depend on dimensions due to classic scaling laws or, at nanoscale, to radically different boundary conditions and quantum effects.

Despite such opportunities, difficulties in fabricating and characterizing materials easily result in largely sub-optimal devices.

This Special Issue of Nanoenergy Advances will report research and review articles on both the fabrication and characterization of materials for nanoenergy, including, but not limited to, nanowires and other quasi-1D nanostructures, 2D materials and heterostructures, materials with improved triboelectric properties, and piezoelectric materials.

Dr. Christian Falconi
Dr. Wenzhuo Wu
Prof. Dr. Yi Xi
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. Nanoenergy Advances is an international peer-reviewed open access quarterly 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 1000 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

  • materials for nanoenergy
  • quasi-1D nanostructures
  • 2D materials
  • piezoelectric nanogenerators
  • triboelectric nanogenerators

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Published Papers (3 papers)

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Research

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14 pages, 7100 KiB  
Article
Surface Charge: An Advantage for the Piezoelectric Properties of GaN Nanowires
by Tanbir Kaur Sodhi, Pascal Chrétien, Quang Chieu Bui, Amaury Chevillard, Laurent Travers, Martina Morassi, Maria Tchernycheva, Frédéric Houzé and Noelle Gogneau
Nanoenergy Adv. 2024, 4(2), 133-146; https://doi.org/10.3390/nanoenergyadv4020008 - 2 Apr 2024
Viewed by 1144
Abstract
The optimization of the new generation of piezoelectric nanogenerators based on 1D nanostructures requires a fundamental understanding of the different physical mechanisms at play, especially those that become predominant at the nanoscale regime. One such phenomenon is the surface charge effect (SCE), which [...] Read more.
The optimization of the new generation of piezoelectric nanogenerators based on 1D nanostructures requires a fundamental understanding of the different physical mechanisms at play, especially those that become predominant at the nanoscale regime. One such phenomenon is the surface charge effect (SCE), which is very pronounced in GaN NWs with sub-100 nm diameters. With an advanced nano-characterization tool derived from AFM, the influence of SCE on the piezo generation capacity of GaN NWs is investigated by modifying their immediate environment. As-grown GaN NWs are analysed and compared to their post-treated counterparts featuring an Al2O3 shell. We establish that the output voltages systematically decrease by the Al2O3 shell. This phenomenon is directly related to the decrease of the surface trap density in the presence of Al2O3 and the corresponding reduction of the surface Fermi level pinning. This leads to a stronger screening of the piezoelectric charges by the free carriers. These experimental results demonstrate and confirm that the piezo-conversion capacity of GaN NWs is favoured by the presence of the surface charges. Full article
(This article belongs to the Special Issue Fabrication and Characterization of Materials for Nanoenergy)
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Review

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33 pages, 7138 KiB  
Review
A Review of Fluid Energy Converters Based on Triboelectric Nanogenerators: Performance Analysis from Energy Conversion
by Qianying Li and Yi Xi
Nanoenergy Adv. 2023, 3(4), 282-314; https://doi.org/10.3390/nanoenergyadv3040016 - 8 Oct 2023
Cited by 2 | Viewed by 1841
Abstract
In recent years, the development of the Internet of Things has challenged traditional energy supply methods. Suddenly rising maintenance costs and serious environmental pollution have led to great concern over energy supply methods such as wired transmission and batteries. Fluid energy is a [...] Read more.
In recent years, the development of the Internet of Things has challenged traditional energy supply methods. Suddenly rising maintenance costs and serious environmental pollution have led to great concern over energy supply methods such as wired transmission and batteries. Fluid energy is a kind of clean energy widely existing in nature, which can effectively reduce costs and environmental pollution. In the field of collecting fluid energy, fluid energy converters based on triboelectric nanogenerators (FEC-TENGs) have always been a research hotspot. This paper reviews the latest research progress of FEC-TENGs. Firstly, the basic working principle and working mode of FEC-TENGs are introduced. Then, the theoretical process and application examples of converting fluid energy into electrical energy or electrical signals are analyzed in detail. According to the calculation process of energy conversion efficiency and the performance evaluation parameters, the structural design, performance output, and application fields of FEC-TENGs are summarized. Finally, this paper points out the challenges and shortcomings of the current FEC-TENGs and provides our views on the future development of this field. Full article
(This article belongs to the Special Issue Fabrication and Characterization of Materials for Nanoenergy)
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50 pages, 34709 KiB  
Review
Rotating Triboelectric Nanogenerators for Energy Harvesting and Their Applications
by Apostolos Segkos and Christos Tsamis
Nanoenergy Adv. 2023, 3(3), 170-219; https://doi.org/10.3390/nanoenergyadv3030010 - 5 Jul 2023
Cited by 8 | Viewed by 3449
Abstract
Addressing the increasing development of IoT networks and the associated energy requirements, rotating triboelectric nanogenerators (R-TENGs) are proving to be strong candidates in the field of energy harvesting, as well as to that of self-powered devices and autonomous sensors. In this work, we [...] Read more.
Addressing the increasing development of IoT networks and the associated energy requirements, rotating triboelectric nanogenerators (R-TENGs) are proving to be strong candidates in the field of energy harvesting, as well as to that of self-powered devices and autonomous sensors. In this work, we review the theoretical framework surrounding the operating principles and key design parameters of R-TENGs, while also associating them with their output characteristics. Furthermore, we present an overview of the core designs used by the research community in energy harvesting applications, as well as variations of these designs along with explicit solutions for the engineering and optimization of the electrical output of R-TENGs. Last but not least, a comprehensive survey of the potential applications of R-TENGs outside the energy harvesting scope is provided, showcasing the working principles of the various designs and the benefits they confer for each specific scenario. Full article
(This article belongs to the Special Issue Fabrication and Characterization of Materials for Nanoenergy)
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