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The Design and Performance of Piezoelectric/Ferroelectric Thin Films and Their...
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The Design and Performance of Piezoelectric/Ferroelectric Thin Films and Their Application in Energy Storage and Conversion

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Energy Materials".

Deadline for manuscript submissions: closed (20 December 2023) | Viewed by 1568

Special Issue Editor

Dr. Ming Wu

E-Mail Website
Guest Editor
School of Electrical Engineering, Xi’an Jiaotong University, Xi'an 710049, China
Interests: ferroelectric/piezoelectric thin film; functional dielectrics and smart sensors

Special Issue Information

Dear Colleagues,

Piezoelectric and ferroelectric materials exhibit unique properties, such as the ability to convert mechanical energy into electrical energy and vice versa, making them suitable for a wide range of energy-related applications. In recent years, there has been increasing interest in the design and performance of piezoelectric and ferroelectric thin films due to their unique properties and various potential applications in energy storage and conversion.

Thin films have emerged as a promising platform for the design and fabrication of high-performance devices due to their small thickness, high surface-to-volume ratio, and the ability to be integrated with other materials and structures. The development of advanced thin film technologies has led to the creation of various devices such as energy harvesters, sensors, actuators, and energy storage devices.

This Special Issue on the design and performance of piezoelectric and ferroelectric thin films and their applications in energy storage and conversion aims to provide a platform for researchers and engineers to share their latest findings and insights. The contributions cover a broad range of topics, including the fabrication and characterization of thin films; their integration into various devices; and their performance in energy harvesting, storage, and conversion applications.

Overall, this Special Issue showcases the latest advances in the field of piezoelectric and ferroelectric thin films and their potential to be used for energy-related applications. The research and development of these materials and devices have the potential to revolutionize energy storage and conversion technologies, and this Special Issue provides valuable insights and knowledge towards this goal.

Dr. Ming Wu
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. Materials 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

  • ferroelectric thin films
  • piezoelectric thin films
  • energy storage
  • piezoelectric sensors
  • piezoelectric actuators
  • dielectric capacitors

Published Papers (2 papers)

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Research

15 pages, 5434 KiB  
Article
Performance Enhancement of Three-Dimensional MAPbI3 Perovskite Solar Cells by Doping Perovskite Films with CsPbX3 Quantum Dots
by Ming-Chen Tsai, Sheng-Yuan Chu and Po-Ching Kao
Materials 2024, 17(6), 1238; https://doi.org/10.3390/ma17061238 - 07 Mar 2024
Viewed by 665
Abstract
Perovskite thin films directly impact solar cell properties, making defect reduction crucial in perovskite solar cell research. In our study, we used perovskite quantum dots in the anti-solvent to act as nucleation centers in MAPbI3 thin films. These centers had lower nucleation barriers [...] Read more.
Perovskite thin films directly impact solar cell properties, making defect reduction crucial in perovskite solar cell research. In our study, we used perovskite quantum dots in the anti-solvent to act as nucleation centers in MAPbI3 thin films. These centers had lower nucleation barriers than homogeneous nucleation, improving perovskite crystallinity, reducing defects, and extending carrier lifetime. Fine-tuning the energy band also enhanced carrier transport. The most effective results were obtained using CsPb(Br0.5 I0.5)3 perovskite quantum dots. The resulting device, ITO/SnO2/MAPbI3 (300 nm)/spiro-OMeTAD (200 nm)/Ag (100 nm), achieved a 12.88% power conversion efficiency, a 16% increase from the standard element. The modified device maintained approximately 95% of its efficiency over 100 h in a 70% humidity environment. Full article
(This article belongs to the Special Issue The Design and Performance of Piezoelectric/Ferroelectric Thin Films and Their Application in Energy Storage and Conversion)
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10 pages, 2788 KiB  
Communication
Bottom Electrode Effects on Piezoelectricity of Pb(Zr0.52,Ti0.48)O3 Thin Film in Flexible Sensor Applications
by Yanling Yuan, Ling Gao, Naixin Li, Jiuning Gao, Yu Yan, Yiming Zhao, Zongqiang Ren, Hongxin Gong, Yunfei Zhang, Yongbin Liu, Ming Wu and Lisheng Zhong
Materials 2023, 16(23), 7470; https://doi.org/10.3390/ma16237470 - 01 Dec 2023
Viewed by 632
Abstract
Piezoelectric thin films grown on a mechanical, flexible mica substrate have gained significant attention for their ability to convert mechanical deformation into electrical energy though a curved surface. To extract the generated charge from the PZT thin films, bottom electrodes are typically grown [...] Read more.
Piezoelectric thin films grown on a mechanical, flexible mica substrate have gained significant attention for their ability to convert mechanical deformation into electrical energy though a curved surface. To extract the generated charge from the PZT thin films, bottom electrodes are typically grown on mica substrates. However, this bottom electrode also serves as a buffering layer for the growth of PZT films, and its impact on the piezoelectric properties of PZT thin films remains understudied. In this work, the effect of Pt and LaNiO3 bottom electrodes on the piezoelectric effect of a Pb(Zr0.52,Ti0.48)O3 thin film was investigated. It was observed that the PZT thin films on LNO/Mica substrate possessed weaker stress, stronger (100) preferred orientation, and higher remanent polarization, which is beneficial for a higher piezoelectric response theoretically. However, due to insufficient grain growth resulting in more inactive grain boundaries and lattice imperfections, the piezoelectric coefficient of the PZT thin film on LNO/Mica was smaller than that of the PZT thin film on a Pt/Mica substrate. Therefore, it is concluded that, under the current experimental conditions, PZT films grown with Pt as the bottom electrode are better suited for applications in flexible piezoelectric sensor devices. However, when using LNO as the bottom electrode, it is possible to optimize the grain size of PZT films by adjusting the sample preparation process to achieve piezoelectric performance exceeding that of the PZT/Pt/Mica samples. Full article
(This article belongs to the Special Issue The Design and Performance of Piezoelectric/Ferroelectric Thin Films and Their Application in Energy Storage and Conversion)
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