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Crystals
Special Issues
Ferroelectric Materials for Energy Harvesting
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Ferroelectric Materials for Energy Harvesting

A special issue of Crystals (ISSN 2073-4352). This special issue belongs to the section "Materials for Energy Applications".

Deadline for manuscript submissions: closed (30 June 2021) | Viewed by 6473

Special Issue Editors

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
Prof. Dr. Xudong Wang

E-Mail Website
Guest Editor
College of Engineering, University of Wisconsin-Madison Univ Wisconsin, Dept Mat Sci & Engn, Madison, WI 53705 USA
Interests: oxide nanomaterials growth and characterization; piezoelectric nanostructures and nanodevices for mechanical energy harvesting; semiconductor nanomaterials and devices for solar energy harvesting and energy storage; nanoscale piezoelectric effect and piezotronics; piezocatalysis and interface between piezoelectricity and electrochemistry
Dr. Puneet Azad

E-Mail Website
Guest Editor
Department of Electronics and Communication Engineering, Maharaja Surajmal Institute of Technology, Guru Gobind Singh Indraprastha University, C-4, Janak Puri, New Delhi-110058, India
Interests: energy harvesting; pyroelectricity; triboelectricity; piezoelectricity; thermoelectricity; power optimization; circuit designing

Special Issue Information

Ferroelectricity refers to a spontaneous polarization, induced by an asymmetric crystal structure, that occurs below the Curie temperature and can be switched using an external electric field. Ferroelectric materials have been studied with increasing intensity over the last few decades. They exhibit a wide spectrum of outstanding properties, including pyroelectricity, ferroelectric photovoltaicity, high nonlinear optical activity, ferroelasticity, and direct and inverse piezoelectricity. Due to this unique combination of different properties, ferroelectrics are attractive for many applications, including energy scavenging. Energy harvesting using ferroelectric materials is an interesting trend that may solve the problem of powering personal electronic devices without batteries.

We invite researchers, experimentalists, and theoreticians to contribute to this Special Issue. We encourage the submission of papers that present recent achievements in the fabrication and characterization of different types of energy-scavenging devices.

Potential topics include, but are not limited to:

  • pyroelectric nano/micro or bulk generators for waste heat recovery;
  • triboelectric generators;
  • piezoelectric generators for the harvesting of mechanical energy;
  • converters of shock pressure into an electric field;
  • photoferroelectric charge pumps;
  • photovoltaic cells based on ferroelectric materials; 
  • hybrid devices based on piezo/tribo/pyroelectric and photovoltaic effects.

Dr. Krystian Mistewicz
Prof. Dr. Xudong Wang
Dr. Puneet Azad
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. Crystals is an international peer-reviewed open access monthly 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

  • nano/micro or bulk crystals
  • nanogenerators
  • energy harvesting
  • pyroelectric effect
  • piezoelectric effect
  • photovoltaic devices

Published Papers (1 paper)

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Research

10 pages, 3021 KiB  
Article
Piezoelectric Nanogenerator Based on Lead-Free Flexible PVDF-Barium Titanate Composite Films for Driving Low Power Electronics
by Manisha Sahu, Sugato Hajra, Kyungtaek Lee, PL Deepti, Krystian Mistewicz and Hoe Joon Kim
Crystals 2021, 11(2), 85; https://doi.org/10.3390/cryst11020085 - 21 Jan 2021
Cited by 64 | Viewed by 5752
Abstract
Self-powered sensor development is moving towards miniaturization and requires a suitable power source for its operation. The piezoelectric nanogenerator (PENG) is a potential candidate to act as a partial solution to suppress the burgeoning energy demand. The present work is focused on the [...] Read more.
Self-powered sensor development is moving towards miniaturization and requires a suitable power source for its operation. The piezoelectric nanogenerator (PENG) is a potential candidate to act as a partial solution to suppress the burgeoning energy demand. The present work is focused on the development of the PENG based on flexible polymer-ceramic composite films. The X-ray spectra suggest that the BTO particles have tetragonal symmetry and the PVDF-BTO composite films (CF) have a mixed phase. The dielectric constant increases with the introduction of the particles in the PVDF polymer and the loss of the CF is much less for all compositions. The BTO particles have a wide structural diversity and are lead-free, which can be further employed to make a CF. An attempt was made to design a robust, scalable, and cost-effective piezoelectric nanogenerator based on the PVDF-BTO CFs. The solvent casting route was a facile approach, with respect to spin coating, electrospinning, or sonication routes. The introduction of the BTO particles into PVDF enhanced the dielectric constant and polarization of the composite film. Furthermore, the single-layered device output could be increased by strategies such as internal polarization amplification, which was confirmed with the help of the polarization-electric field loop of the PVDF-BTO composite film. The piezoelectric nanogenerator with 10 wt% BTO-PVDF CF gives a high electrical output of voltage 7.2 V, current 38 nA, and power density of 0.8 μW/cm2 at 100 MΩ. Finally, the energy harvesting using the fabricated PENG is done by various actives like coin dropping, under air blowing, and finger tapping. Finally, low-power electronics such as calculator is successfully powered by charging a 10 μF capacitor using the PENG device. Full article
(This article belongs to the Special Issue Ferroelectric Materials for Energy Harvesting)
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