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Advances in Nanosensors and Nanogenerators - 2nd Edition
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Advances in Nanosensors and Nanogenerators - 2nd Edition

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Nanosensors".

Deadline for manuscript submissions: closed (31 March 2024) | Viewed by 1688

Special Issue Editor

Dr. Krystian Mistewicz

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Guest Editor
Institute of Physics–Center for Science and Education, Silesian University of Technology, Krasińskiego 8, 4, 40-019 Katowice, Poland
Interests: nanocrystals; nanogenerators; energy harvesting; ferroelectrics; photovoltaic devices
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Multidisciplinary research on nanotechnology enables the design of miniaturized sensors. Different nanomaterials offer almost unlimited possibilities for new sensor platform designs to address the growing needs for enhanced sensitivity, selectivity, rapid response, reliable measuring in untreated samples, on-site testing, and miniaturization of sensing elements.

The last few decades have witnessed impressive advancement in the realization of sensors based on nanotechnology achievements. Driven by the plethora of new nanostructures proposed by academic and industrial research teams working on apparently distant fields in nanoscience, new devices have been designed and realized as chemical, biological, diagnostic, or environmental nanosensors. In the last few years, intensive research has been carried out in the synthesis of functional nanomaterials with superior gas sensing performance (i.e., sensitivity, selectivity, and stability). Dots, nanowires, nanoribbons, nanotubes, nanorods, monolayers, and hierarchical nanomaterials have been synthesized using a wide spectrum of techniques, including solution synthesis, smart anodization, spray pyrolysis, or chemical vapor deposition, to cite a few. The integration of these nanomaterials onto different transducer platforms, in particular MEMS (micro-electro-mechanical systems) or polymeric materials, in view of obtaining functional nanosensors, has been the subject of many studies, in which the yield, reproducibility, reliability, and long-term stability have been addressed. The goal of this Special Issue is to bring together various on-going and frontier research regarding the development of fundamental sciences, techniques, and end-of-use applications of nanosensors and nanogenerators. The areas of interest include new concepts for the design, preparation, characterization, and applications of smart nanomaterials for the detection of various stimuli.

Dr. Krystian Mistewicz
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. Sensors 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

  • nanostructured materials
  • nanoparticles
  • nanotechnology
  • nanoparticle arrays
  • nano probes
  • nanosensors
  • nanogenerators
  • self-powered sensors
  • ferroelectric, pyroelectric, piezoelectric materials
  • self-assembly nanostructured materials
  • novel nanostructures and nanomaterials for sensing techniques and sensors
  • applications of nanosensors and nanogenerators
  • energy harvesting devices
  • surface plasmon resonance sensors
  • fabrication of novel nanosensors platforms
  • new micro and nanosensing schemes
  • sensing principle, system and application

Related Special Issue

Published Papers (3 papers)

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Research

13 pages, 3537 KiB  
Article
Influence of SiC and ZnO Doping on the Electrical Performance of Polylactic Acid-Based Triboelectric Nanogenerators
by Stefania Skorda, Achilleas Bardakas, George Vekinis and Christos Tsamis
Sensors 2024, 24(8), 2497; https://doi.org/10.3390/s24082497 - 13 Apr 2024
Viewed by 400
Abstract
Polylactic acid (PLA) is one of the most widely used materials for fused deposition modeling (FDM) 3D printing. It is a biodegradable thermoplastic polyester, derived from natural resources such as corn starch or sugarcane, with low environmental impact and good mechanical properties. One [...] Read more.
Polylactic acid (PLA) is one of the most widely used materials for fused deposition modeling (FDM) 3D printing. It is a biodegradable thermoplastic polyester, derived from natural resources such as corn starch or sugarcane, with low environmental impact and good mechanical properties. One important feature of PLA is that its properties can be modulated by the inclusion of nanofillers. In this work, we investigate the influence of SiC and ZnO doping of PLA on the triboelectric performance of PLA-based tribogenerators. Our results show that the triboelectric signal in ZnO-doped PLA composites increases as the concentration of ZnO in PLA increases, with an enhancement in the output power of 741% when the ZnO concentration in PLA is 3 wt%. SiC-doped PLA behaves in a different manner. Initially the triboelectric signal increases, reaching a peak value with enhanced output power by 284% compared to undoped PLA, when the concentration of SiC in PLA is 1.5 wt%. As the concentration increases to 3 wt%, the triboelectric signal reduces significantly and is comparable to or less than that of the undoped PLA. Our results are consistent with recent data for PVDF doped with silicon carbide nanoparticles and are attributed to the reduction in the contact area between the triboelectric surfaces. Full article
(This article belongs to the Special Issue Advances in Nanosensors and Nanogenerators - 2nd Edition)
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12 pages, 2028 KiB  
Article
Self-Powered Intelligent Water Droplet Monitoring Sensor Based on Solid–Liquid Triboelectric Nanogenerator
by Lijie Zhu, Likang Guo, Zhi Ding, Zhengqian Zhao, Chaoran Liu and Lufeng Che
Sensors 2024, 24(6), 1761; https://doi.org/10.3390/s24061761 - 08 Mar 2024
Viewed by 511
Abstract
Real-time monitoring of rainwater is a critical issue in the development of autonomous vehicles and smart homes, while the corresponding sensors play a pivotal role in ensuring their sensitivity. Here, we study a self-powered intelligent water droplet monitoring sensor based on a solid–liquid [...] Read more.
Real-time monitoring of rainwater is a critical issue in the development of autonomous vehicles and smart homes, while the corresponding sensors play a pivotal role in ensuring their sensitivity. Here, we study a self-powered intelligent water droplet monitoring sensor based on a solid–liquid triboelectric nanogenerator (SL-TENG). The sensor comprises a SL-TENG, a signal acquisition module, a central processing unit (CPU), and a wireless transmission module, facilitating the real-time monitoring of water droplet signals. It is worth noting that the SL-TENG has self-powering characteristics and can convert the kinetic energy of water droplets into electrical energy. The excellent output performance, with open-circuit voltage of 9 V and short-circuit current of 2 μA without any treatment of the SL-TENG, can provide an effective solution to the problem that traditional sensor need battery replacement. In addition, the SL-TENG can generate stable amplitude electrical signals through water droplets, exemplified by the absence of decay in a short-circuit current within 7 days. More importantly, the sensor is equipped with intelligent analytical capabilities, allowing it to assess rainfall based on variables such as amplitude and frequency. Due to its excellent stability and intelligent analysis, this sensor can be used for roof rainwater monitoring, intravenous administration monitoring, and especially in automobile automatic wipers and other fields. Full article
(This article belongs to the Special Issue Advances in Nanosensors and Nanogenerators - 2nd Edition)
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14 pages, 6973 KiB  
Article
Wind-Speed-Adaptive Resonant Piezoelectric Energy Harvester for Offshore Wind Energy Collection
by Weijian Wu, Zhen Pan, Jiangtao Zhou, Yingting Wang, Jijie Ma, Jianping Li, Yili Hu, Jianming Wen and Xiaolin Wang
Sensors 2024, 24(5), 1371; https://doi.org/10.3390/s24051371 - 20 Feb 2024
Viewed by 564
Abstract
This paper proposes a wind-speed-adaptive resonant piezoelectric energy harvester for offshore wind energy collection (A-PEH). The device incorporates a coil spring structure, which sets the maximum threshold of the output rotational frequency, allowing the A-PEH to maintain a stable output rotational frequency over [...] Read more.
This paper proposes a wind-speed-adaptive resonant piezoelectric energy harvester for offshore wind energy collection (A-PEH). The device incorporates a coil spring structure, which sets the maximum threshold of the output rotational frequency, allowing the A-PEH to maintain a stable output rotational frequency over a broader range of wind speeds. When the maximum output excitation frequency of the A-PEH falls within the sub-resonant range of the piezoelectric beam, the device becomes wind-speed-adaptive, enabling it to operate in a sub-resonant state over a wider range of wind speeds. Offshore winds exhibit an annual average speed exceeding 5.5 m/s with significant variability. Drawing from the characteristics of offshore winds, a prototype of the A-PEH was fabricated. The experimental findings reveal that in wind speed environments, the device has a startup wind speed of 4 m/s, and operates in a sub-resonant state when the wind speed exceeds 6 m/s. At this point, the A-PEH achieves a maximum open-circuit voltage of 40 V and an average power of 0.64 mW. The wind-speed-adaptive capability of the A-PEH enhances its ability to harness offshore wind energy, showcasing its potential applications in offshore wind environments. Full article
(This article belongs to the Special Issue Advances in Nanosensors and Nanogenerators - 2nd Edition)
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