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Oh J, Kim JK, Gao J, Jung S, Kim W, Park G, Park J, Baik JM, Yang C. Self-Powering Gas Sensing System Enabled by Double-Layer Triboelectric Nanogenerators Based on Poly(2-vinylpyridine)@BaTiO 3 Core-Shell Hybrids with Superior Dispersibility and Uniformity. ACS NANO 2024; 18:12146-12157. [PMID: 38688004 DOI: 10.1021/acsnano.3c12035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/02/2024]
Abstract
Current core-shell hybrids used in diverse energy-related applications possess limited dispersibility and film uniformity that govern their overall performances. Herein, we showcase superdispersible core-shell hybrids (P2VP@BaTiO3) composed of a poly(2-vinylpyridine) (P2VP) (5-20 wt %) and a barium titanate oxide (BaTiO3), maximizing dielectric constants by forming the high-quality uniform films. The P2VP@BaTiO3-based triboelectric nanogenerators (TENGs), especially the 10 wt % P2VP (P2VP10@BaTiO3)-based one, deliver significantly enhanced output performances compared to physically mixed P2VP/BaTiO3 counterparts. The P2VP10@BaTiO3-based double-layer TENG exhibits not only an excellent transferred charge density of 281.7 μC m-2 with a power density of 27.2 W m-2 but also extraordinary device stability (∼100% sustainability of the maximum output voltage for 54,000 cycles and ∼68.7% voltage retention even at 99% humidity). Notably, introducing the MoS2/SiO2/Ni-mesh layer into this double-layer TENG enables ultrahigh charge density of up to 1228 μC m-2, which is the top value reported for the TENGs so far. Furthermore, we also demonstrate a near-field communication-based sensing system for monitoring CO2 gas using our developed self-powered generator with enhanced output performance and robustness.
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Affiliation(s)
- Jiyeon Oh
- Department of Energy Engineering, School of Energy and Chemical Engineering, Perovtronics Research Center, Low Dimensional Carbon Materials Center, Ulsan National Institute of Science and Technology (UNIST), 50 UNIST-gil, Ulju-gun, Ulsan 44919, South Korea
| | - Jin-Kyeom Kim
- School of Advanced Materials Science and Engineering, Sungkyunkwan University (SKKU), Suwon 16419, South Korea
| | - Jian Gao
- School of Advanced Materials Science and Engineering, Sungkyunkwan University (SKKU), Suwon 16419, South Korea
| | - Sungwoo Jung
- Department of Energy Engineering, School of Energy and Chemical Engineering, Perovtronics Research Center, Low Dimensional Carbon Materials Center, Ulsan National Institute of Science and Technology (UNIST), 50 UNIST-gil, Ulju-gun, Ulsan 44919, South Korea
| | - Wonjun Kim
- Department of Energy Engineering, School of Energy and Chemical Engineering, Perovtronics Research Center, Low Dimensional Carbon Materials Center, Ulsan National Institute of Science and Technology (UNIST), 50 UNIST-gil, Ulju-gun, Ulsan 44919, South Korea
| | - Geunhyung Park
- Department of Energy Engineering, School of Energy and Chemical Engineering, Perovtronics Research Center, Low Dimensional Carbon Materials Center, Ulsan National Institute of Science and Technology (UNIST), 50 UNIST-gil, Ulju-gun, Ulsan 44919, South Korea
| | - Jeewon Park
- Department of Energy Engineering, School of Energy and Chemical Engineering, Perovtronics Research Center, Low Dimensional Carbon Materials Center, Ulsan National Institute of Science and Technology (UNIST), 50 UNIST-gil, Ulju-gun, Ulsan 44919, South Korea
| | - Jeong Min Baik
- School of Advanced Materials Science and Engineering, Sungkyunkwan University (SKKU), Suwon 16419, South Korea
- SKKU Institute of Energy Science and Technology (SIEST), Sungkyunkwan University, Suwon 16419, South Korea
- KIST-SKKU Carbon-Neutral Research Center, Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea
| | - Changduk Yang
- Department of Energy Engineering, School of Energy and Chemical Engineering, Perovtronics Research Center, Low Dimensional Carbon Materials Center, Ulsan National Institute of Science and Technology (UNIST), 50 UNIST-gil, Ulju-gun, Ulsan 44919, South Korea
- Graduate School of Carbon Neutrality, Ulsan National Institute of Science and Technology (UNIST), 50 UNIST-gil, Ulju-gun, Ulsan 44919, South Korea
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Bouharras FE, Atlas S, Capaccioli S, Labardi M, Hajlane A, Ameduri B, Raihane M. Synthesis and Characterization of Core-Double-Shell-Structured PVDF- grafted-BaTiO 3/P(VDF- co-HFP) Nanocomposite Films. Polymers (Basel) 2023; 15:3126. [PMID: 37514515 PMCID: PMC10383315 DOI: 10.3390/polym15143126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 07/17/2023] [Accepted: 07/18/2023] [Indexed: 07/30/2023] Open
Abstract
Core-double-shell-structured nanocomposite films consisting of polyvinylidene fluoride-grafted-barium titanate (PVDF-g-BT) incorporated into a P(VDF-co-hexafluoropropylene (HFP)) copolymer matrix were produced via a solution mixing method for energy storage applications. The resulting films were thoroughly investigated via spectroscopic, thermal, and morphological analyses. Thermogravimetric data provided an enhancement of the thermal stability, while differential scanning calorimetry indicated an increase in the crystallinity of the films after the addition of PVDF-g-BT. Moreover, broadband dielectric spectroscopy revealed three dielectric processes, namely, glass-rubber relaxation (αa), relaxation associated with the polymer crystalline phase (αc), and slower relaxation in the nanocomposites resulting from the accumulation of charge on the interface between the PVDF-g-BT filler and the P(VDF-co-HFP) matrix. The dependence of the dielectric constant from the composition was analyzed, and we found that the highest permittivity enhancement was obtained by the highest concentration filler added to the largest concentration of P(VDF-co-HFP). Mechanical analysis revealed an improvement in Young's modulus for all nanocomposites versus pristine P(VDF-co-HFP), confirming the uniformity of the distribution of the PVDF-g-BT nanocomposite with a strong interaction with the copolymer matrix, as also evidenced via scanning electron microscopy. The suggested system is promising for use in high-energy-density storage devices as supercapacitors.
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Affiliation(s)
- Fatima Ezzahra Bouharras
- IMED-Lab., Faculty of Sciences and Techniques, Cadi Ayyad University (UCA), Av. A. El Khattabi, B.P. 549, Marrakesh 40000, Morocco
- Dipartimento di Fisica, Università di Pisa, Largo Pontecorvo 3, 56127 Pisa, Italy
- ICGM, Université de Montpellier, CNRS, ENSCM, 34293 Montpellier, France
| | - Salima Atlas
- IMED-Lab., Faculty of Sciences and Techniques, Cadi Ayyad University (UCA), Av. A. El Khattabi, B.P. 549, Marrakesh 40000, Morocco
- Polydisciplinary Faculty, Sultan Moulay Sliman University, Mghila, P.O. Box 592, Béni-Mellal 23000, Morocco
| | - Simone Capaccioli
- Dipartimento di Fisica, Università di Pisa, Largo Pontecorvo 3, 56127 Pisa, Italy
- CNR-IPCF, Sede Secondaria di Pisa, c/o Dipartimento di Fisica, Università di Pisa, Largo Pontecorvo 3, 56127 Pisa, Italy
- CISUP, Centro per l'Integrazione della Strumentazione dell'Università di Pisa, Lungarno Pacinotti 43/44, 56126 Pisa, Italy
| | - Massimiliano Labardi
- CNR-IPCF, Sede Secondaria di Pisa, c/o Dipartimento di Fisica, Università di Pisa, Largo Pontecorvo 3, 56127 Pisa, Italy
- CISUP, Centro per l'Integrazione della Strumentazione dell'Università di Pisa, Lungarno Pacinotti 43/44, 56126 Pisa, Italy
| | - Abdelghani Hajlane
- IMED-Lab., Faculty of Sciences and Techniques, Cadi Ayyad University (UCA), Av. A. El Khattabi, B.P. 549, Marrakesh 40000, Morocco
| | - Bruno Ameduri
- ICGM, Université de Montpellier, CNRS, ENSCM, 34293 Montpellier, France
| | - Mustapha Raihane
- IMED-Lab., Faculty of Sciences and Techniques, Cadi Ayyad University (UCA), Av. A. El Khattabi, B.P. 549, Marrakesh 40000, Morocco
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Zamperlin N, Ceccato R, Fontana M, Pegoretti A, Chiappini A, Dirè S. Effect of Hydrothermal Treatment and Doping on the Microstructural Features of Sol-Gel Derived BaTiO 3 Nanoparticles. MATERIALS 2021; 14:ma14154345. [PMID: 34361539 PMCID: PMC8348855 DOI: 10.3390/ma14154345] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 07/28/2021] [Accepted: 07/29/2021] [Indexed: 12/02/2022]
Abstract
Barium Titanate (BaTiO3) is one of the most promising lead-free ferroelectric materials for the development of piezoelectric nanocomposites for nanogenerators and sensors. The miniaturization of electronic devices is pushing researchers to produce nanometric-sized particles to be embedded into flexible polymeric matrices. Here, we present the sol-gel preparation of crystalline BaTiO3 nanoparticles (NPs) obtained by reacting barium acetate (Ba(CH3COO)2) and titanium (IV) isopropoxide (Ti(OiPr)4). The reaction was performed both at ambient conditions and by a hydrothermal process carried on at 200 °C for times ranging from 2 to 8 h. Doped BaTiO3 nanoparticles were also produced by addition of Na, Ca, and Bi cations. The powders were annealed at 900 °C in order to improve NPs crystallinity and promote the cubic-to-tetragonal (c⟶t) phase transformation. The microstructural features of nanoparticles were investigated in dependence of both the hydrothermal reaction time and the presence of dopants. It is found that short hydrothermal treatment (2 h) can produce BaTiO3 spherical and more homogeneous nanoparticles with respect to longer hydrothermal treatments (4 h, 6 h, 8 h). These particles (2 h) are characterized by decreased dimension (approx. 120 nm), narrower size distribution and higher tetragonality (1.007) in comparison with particles prepared at ambient pressure (1.003). In addition, the short hydrothermal treatment (2 h) produces particles with tetragonality comparable to the one obtained after the longest process (8 h). Finally, dopants were found to affect to different extents both the c⟶t phase transformation and the crystallite sizes.
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Affiliation(s)
- Nico Zamperlin
- Department of Industrial Engineering, University of Trento, Via Sommarive 9, 38123 Trento, Italy; (R.C.); (M.F.); (A.P.); (S.D.)
- Correspondence:
| | - Riccardo Ceccato
- Department of Industrial Engineering, University of Trento, Via Sommarive 9, 38123 Trento, Italy; (R.C.); (M.F.); (A.P.); (S.D.)
| | - Marco Fontana
- Department of Industrial Engineering, University of Trento, Via Sommarive 9, 38123 Trento, Italy; (R.C.); (M.F.); (A.P.); (S.D.)
- Institute of Mechanical Intelligence, Scuola Superiore Sant’Anna, Piazza Martiri della Libertà 33, 56127 Pisa, Italy
| | - Alessandro Pegoretti
- Department of Industrial Engineering, University of Trento, Via Sommarive 9, 38123 Trento, Italy; (R.C.); (M.F.); (A.P.); (S.D.)
- National Interuniversity Consortium of Materials Science and Technology (INSTM), Via G. Giusti, 9, 50121 Firenze, Italy
| | - Andrea Chiappini
- Institute of Photonics and Nanotechnologies (IFN-CNR), CSMFO Laboratory and Fondazione Bruno Kessler (FBK) Photonics Unit, Via alla Cascata 56/C, Povo, 38123 Trento, Italy;
| | - Sandra Dirè
- Department of Industrial Engineering, University of Trento, Via Sommarive 9, 38123 Trento, Italy; (R.C.); (M.F.); (A.P.); (S.D.)
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Kumar A, Ahmad D, Patra K, Hossain M. Enhancement of electromechanical properties of natural rubber by adding barium titanate filler: An electro‐mechanical study. J Appl Polym Sci 2021. [DOI: 10.1002/app.50991] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Ajeet Kumar
- Department of Mechanical Engineering Indian Institute of Technology Patna Patna India
| | - Dilshad Ahmad
- Department of Mechanical Engineering Indian Institute of Technology Patna Patna India
| | - Karali Patra
- Department of Mechanical Engineering Indian Institute of Technology Patna Patna India
| | - Mokarram Hossain
- Zienkiewicz Centre for Computational Engineering College of Engineering, Bay Campus, Swansea University Swansea UK
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Deng W, Ren G, Wang W, Cui W, Luo W. Enhanced dielectric properties and thermostability in polyimide composites with core-shell structured polyimide@BaTiO 3 nanoparticles. HIGH PERFORM POLYM 2021. [DOI: 10.1177/0954008321993526] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Polymer composites with high dielectric constant and thermal stability have shown great potential applications in the fields relating to the energy storage. Herein, core-shell structured polyimide@BaTiO3 (PI@BT) nanoparticles were fabricated via in-situ polymerization of poly(amic acid) (PAA) and the following thermal imidization, then utilized as fillers to prepare PI composites. Increased dielectric constant with suppressed dielectric loss, and enhanced energy density as well as heat resistance were simultaneously realized due to the presence of PI shell between BT nanoparticles and PI matrix. The dielectric constant of PI@BT/PI composites with 55 wt% fillers increased to 15.0 at 100 Hz, while the dielectric loss kept at low value of 0.0034, companied by a high energy density of 1.32 J·cm−3, which was 2.09 times higher than the pristine PI. Moreover, the temperature at 10 wt% weight loss reached 619°C, demonstrating the excellent thermostability of PI@BT/PI composites. In addition, PI@BT/PI composites exhibited improved breakdown strength and toughness as compared with the BT/PI composites due to the well dispersion of PI@BT nanofillers and the improved interfacial interactions between nanofillers and polymer matrix. These results provide useful information for the structural design of high-temperature dielectric materials.
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Affiliation(s)
- Wei Deng
- School of Material Science and Engineering, Harbin University of Science and Technology, Harbin, People’s Republic of China
- Key Laboratory of Engineering Dielectric and Its Application, Ministry of Education, Harbin University of Science and Technology, Harbin, People’s Republic of China
| | - Guanguan Ren
- School of Material Science and Engineering, Harbin University of Science and Technology, Harbin, People’s Republic of China
| | - Wenqi Wang
- School of Material Science and Engineering, Harbin University of Science and Technology, Harbin, People’s Republic of China
| | - Weiwei Cui
- School of Material Science and Engineering, Harbin University of Science and Technology, Harbin, People’s Republic of China
| | - Wenjun Luo
- Faculty of Materials Science and Chemistry, China University of Geosciences (Wuhan), Wuhan, People’s Republic of China
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Bouharras FE, Raihane M, Silly G, Totee C, Ameduri B. Core–shell structured poly(vinylidene fluoride)-grafted-BaTiO3 nanocomposites prepared via reversible addition–fragmentation chain transfer (RAFT) polymerization of VDF for high energy storage capacitors. Polym Chem 2019. [DOI: 10.1039/c8py01706a] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Core–shell structured PVDF-g-BaTiO3 nanocomposites were prepared by surface-initiated RAFT of VDF from BaTiO3 nanoparticles.
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Affiliation(s)
- Fatima Ezzahra Bouharras
- Laboratory of Organometallic and Macromolecular Chemistry-Composite Materials (LCO2MC). Faculty of Sciences and Techniques
- Cadi-Ayyad University
- 40000 Marrakesh
- Morocco
- Institut Charles Gerhardt
| | - Mustapha Raihane
- Laboratory of Organometallic and Macromolecular Chemistry-Composite Materials (LCO2MC). Faculty of Sciences and Techniques
- Cadi-Ayyad University
- 40000 Marrakesh
- Morocco
| | - Gilles Silly
- Institut Charles Gerhardt
- UMR 5253 CNRS
- University of Montpellier
- ENSCM
- 34095 Cedex 5 Montpellier
| | - Cedric Totee
- Institut Charles Gerhardt
- UMR 5253 CNRS
- University of Montpellier
- ENSCM
- 34095 Cedex 5 Montpellier
| | - Bruno Ameduri
- Institut Charles Gerhardt
- UMR 5253 CNRS
- University of Montpellier
- ENSCM
- 34095 Cedex 5 Montpellier
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Haghiashtiani G, Habtour E, Park SH, Gardea F, McAlpine MC. 3D Printed Electrically-Driven Soft Actuators. EXTREME MECHANICS LETTERS 2018; 21:1-8. [PMID: 32596434 PMCID: PMC7319180 DOI: 10.1016/j.eml.2018.02.002] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Soft robotics is an emerging field enabled by advances in the development of soft materials with properties commensurate to their biological counterparts, for the purpose of reproducing locomotion and other distinctive capabilities of active biological organisms. The development of soft actuators is fundamental to the advancement of soft robots and bio-inspired machines. Among the different material systems incorporated in the fabrication of soft devices, ionic hydrogel-elastomer hybrids have recently attracted vast attention due to their favorable characteristics, including their analogy with human skin. Here, we demonstrate that this hybrid material system can be 3D printed as a soft dielectric elastomer actuator (DEA) with a unimorph configuration that is capable of generating high bending motion in response to an applied electrical stimulus. We characterized the device actuation performance via applied (i) ramp-up electrical input, (ii) cyclic electrical loading, and (iii) payload masses. A maximum vertical tip displacement of 9.78 ± 2.52 mm at 5.44 kV was achieved from the tested 3D printed DEAs. Furthermore, the nonlinear actuation behavior of the unimorph DEA was successfully modeled using analytical energetic formulation and a finite element method (FEM).
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Affiliation(s)
- Ghazaleh Haghiashtiani
- Department of Mechanical Engineering, University of Minnesota, 111 Church St. SE, Minneapolis, MN 55455, USA
| | - Ed Habtour
- U.S. Army Research Laboratory, Aberdeen Proving Ground, MD 21005, USA
- Department of Applied Mechanics, University of Twente, Enschede, Netherlands
- The Netherlands Defence Academy, Den Helder, Netherlands
| | - Sung-Hyun Park
- Department of Mechanical Engineering, University of Minnesota, 111 Church St. SE, Minneapolis, MN 55455, USA
| | - Frank Gardea
- U.S. Army Research Laboratory, Aberdeen Proving Ground, MD 21005, USA
| | - Michael C. McAlpine
- Department of Mechanical Engineering, University of Minnesota, 111 Church St. SE, Minneapolis, MN 55455, USA
- Corresponding author
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