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Liu JY, Lun MM, Wang ZJ, Li JY, Ding K, Fu DW, Lu HF, Zhang Y. The H/F substitution strategy can achieve large spontaneous polarization in 1D hybrid perovskite ferroelectrics. Chem Sci 2024:d4sc03571b. [PMID: 39309092 PMCID: PMC11414823 DOI: 10.1039/d4sc03571b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2024] [Accepted: 09/12/2024] [Indexed: 09/25/2024] Open
Abstract
Hybrid organic-inorganic perovskite (HOIP) ferroelectrics exhibit polarization reversibility and have a wide range of applications in the fields of smart switches, memorizers, sensors, etc. However, the inherent limitations of small spontaneous polarization (P s) and large coercive field (E c) in ferroelectrics have impeded their broader utilization in electronics and data storage. Molecular ferroelectrics, as a powerful supplement to inorganic ferroelectrics, have shown great potential in the new generation of flexible wearable electronic devices. The important research responsibility is to greatly improve progressiveness and overcome the above limitations. Here, a novel one-dimensional (1D) HOIP ferroelectric, (3-F-BTAB)PbBr3 (3-F-BTAB = 3-fluorobenzyltrimethylammonium), was successfully synthesized by employing the H/F substitution strategy to modify parent compound (BTAB)PbBr3 (BTAB = benzyltrimethylammonium), which undergoes a ferroelectric phase transition with Aizu notation 2/mF2 at 420 K. Notably, (3-F-BTAB)PbBr3 demonstrates exceptional ferroelectric properties with a large P s of 7.18 μC cm-2 and a low E c of 1.78 kV cm-1. As far as we know, (3-F-BTAB)PbBr3 features the largest P s among those reported for 1D lead-based HOIP ferroelectrics. This work enriches the 1D lead-based ferroelectric family and provides guidance for applying ferroelectrics in low-voltage polar memories.
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Affiliation(s)
- Jiu-Yang Liu
- Ordered Matter Science Research Center, Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University Nanjing 211189 People's Republic of China
| | - Meng-Meng Lun
- Ordered Matter Science Research Center, Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University Nanjing 211189 People's Republic of China
| | - Zhi-Jie Wang
- Ordered Matter Science Research Center, Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University Nanjing 211189 People's Republic of China
| | - Jun-Yi Li
- Ordered Matter Science Research Center, Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University Nanjing 211189 People's Republic of China
| | - Kun Ding
- Ordered Matter Science Research Center, Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University Nanjing 211189 People's Republic of China
| | - Da-Wei Fu
- Ordered Matter Science Research Center, Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University Nanjing 211189 People's Republic of China
| | - Hai-Feng Lu
- Institute for Science and Applications of Molecular Ferroelectrics, Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Zhejiang Normal University Jinhua 321019 People's Republic of China
| | - Yi Zhang
- Institute for Science and Applications of Molecular Ferroelectrics, Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Zhejiang Normal University Jinhua 321019 People's Republic of China
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2
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Harada J, Takehisa M, Kawamura Y, Hasegawa H, Usui T. Solid Solutions of Plastic/Ferroelectric Crystals: Toward Tailor-Made Functional Materials. J Am Chem Soc 2024. [PMID: 39026392 DOI: 10.1021/jacs.4c07676] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/20/2024]
Abstract
Plastic crystals that show ferroelectricity are highly promising materials for a wide range of applications. Their inherent remarkable malleability and highly symmetric cubic structures in the plastic crystal phase ensure that their ferroelectricity and related properties are retained in their bulk polycrystals. To develop functional materials based on such plastic/ferroelectric crystals, methods to tune their properties for specific applications are required. Here, we report the preparation of solid solutions of plastic/ferroelectric ionic crystals by mixing crystals with a common anion but different cations, or crystals with a common cation but different anions, which allows a continuous modification of the Curie temperature of the ferroelectric system over a range of 100 K. This adjustment of the Curie temperature allows the flexible tuning of the pyroelectric properties of the solid solutions, including a significant enhancement of room-temperature performance. The solid solutions also exhibit morphotropic phase boundaries in the composition-temperature phase diagrams, which shows an abrupt change in crystal structures with a variation of composition. This study showcases a simple and versatile property-tuning method that can be expected to pave the way for major progress in the development of materials based on plastic/ferroelectric crystals, which will eventually advance to the stage of pursuing tailor-made functional materials with desired properties.
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Affiliation(s)
- Jun Harada
- Department of Chemistry, Faculty of Science, Hokkaido University, Sapporo 060-0810, Japan
- Graduate School of Chemical Sciences and Engineering, Hokkaido University, Sapporo 060-0810, Japan
| | - Mika Takehisa
- Department of Chemistry, Faculty of Science, Hokkaido University, Sapporo 060-0810, Japan
| | - Yuto Kawamura
- Graduate School of Chemical Sciences and Engineering, Hokkaido University, Sapporo 060-0810, Japan
| | - Hiroyuki Hasegawa
- Faculty of Education, Shimane University, Matsue, Shimane 690-8504, Japan
| | - Tomoyasu Usui
- Murata Manufacturing Co., Ltd., Kyoto 617-8555, Japan
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3
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Pan Q, Gu ZX, Zhou RJ, Feng ZJ, Xiong YA, Sha TT, You YM, Xiong RG. The past 10 years of molecular ferroelectrics: structures, design, and properties. Chem Soc Rev 2024; 53:5781-5861. [PMID: 38690681 DOI: 10.1039/d3cs00262d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/02/2024]
Abstract
Ferroelectricity, which has diverse important applications such as memory elements, capacitors, and sensors, was first discovered in a molecular compound, Rochelle salt, in 1920 by Valasek. Owing to their superiorities of lightweight, biocompatibility, structural tunability, mechanical flexibility, etc., the past decade has witnessed the renaissance of molecular ferroelectrics as promising complementary materials to commercial inorganic ferroelectrics. Thus, on the 100th anniversary of ferroelectricity, it is an opportune time to look into the future, specifically into how to push the boundaries of material design in molecular ferroelectric systems and finally overcome the hurdles to their commercialization. Herein, we present a comprehensive and accessible review of the appealing development of molecular ferroelectrics over the past 10 years, with an emphasis on their structural diversity, chemical design, exceptional properties, and potential applications. We believe that it will inspire intense, combined research efforts to enrich the family of high-performance molecular ferroelectrics and attract widespread interest from physicists and chemists to better understand the structure-function relationships governing improved applied functional device engineering.
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Affiliation(s)
- Qiang Pan
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, P. R. China.
| | - Zhu-Xiao Gu
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, P. R. China.
- State Key Laboratory of Pharmaceutical Biotechnology, Nanjing University, Nanjing 210008, P. R. China.
| | - Ru-Jie Zhou
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, P. R. China.
| | - Zi-Jie Feng
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, P. R. China.
| | - Yu-An Xiong
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, P. R. China.
| | - Tai-Ting Sha
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, P. R. China.
| | - Yu-Meng You
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, P. R. China.
| | - Ren-Gen Xiong
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, P. R. China.
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4
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Zhan LY, Zhou Y, Li N, Zhang LJ, Xi XJ, Yao ZQ, Zhao JP, Bu XH. A High Working Temperature Multiferroic Induced by Inverse Temperature Symmetry Breaking. J Am Chem Soc 2024; 146:5414-5422. [PMID: 38353405 DOI: 10.1021/jacs.3c12842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/29/2024]
Abstract
Molecular-based multiferroic materials that possess ferroelectric and ferroelastic orders simultaneously have attracted tremendous attention for their potential applications in multiple-state memory devices, molecular switches, and information storage systems. However, it is still a great challenge to effectively construct novel molecular-based multiferroic materials with multifunctionalities. Generally, the structure of these materials possess high symmetry at high temperatures, while processing an obvious order-disorder or displacement-type ferroelastic or ferroelectric phase transition triggered by symmetry breaking during the cooling processes. Therefore, these materials can only function below the Curie temperature (Tc), the low of which is a severe impediment to their practical application. Despite great efforts to elevate Tc, designing single-phase crystalline materials that exhibit multiferroic orders above room temperature remains a challenge. Here, an inverse temperature symmetry-breaking phenomenon was achieved in [FPM][Fe3(μ3-O)(μ-O2CH)8] (FPM stands for 3-(3-formylamino-propyl)-3,4,5,6-tetrahydropyrimidin-1-ium, which acts as the counterions and the rotor component in the network), enabling a ferroelastoelectric phase at a temperature higher than Tc (365 K). Upon heating from room temperature, two-step distinct symmetry breaking with the mm2Fm species leads to the coexistence of ferroelasticity and ferroelectricity in the temperature interval of 365-426 K. In the first step, the FPM cations undergo a conformational flip-induced inverse temperature symmetry breaking; in the second step, a typical ordered-disordered motion-induced symmetry breaking phase transition can be observed, and the abnormal inverse temperature symmetry breaking is unprecedented. Except for the multistep ferroelectric and ferroelastic switching, this complex also exhibits fascinating nonlinear optical switching properties. These discoveries not only signify an important step in designing novel molecular-based multiferroic materials with high working temperatures, but also inspire their multifunctional applications such as multistep switches.
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Affiliation(s)
- Lei-Yu Zhan
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
- School of Materials Science and Engineering, Tianjin Key Laboratory of Metal and Molecule Based Material Chemistry, Nankai University, Tianjin 300350, China
| | - Yu Zhou
- School of Chemistry and Chemical Engineering, Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, Tianjin University of Technology, Tianjin 300384, China
| | - Na Li
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Lin-Jie Zhang
- School of Chemistry and Chemical Engineering, Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, Tianjin University of Technology, Tianjin 300384, China
| | - Xiao-Juan Xi
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Zhao-Quan Yao
- School of Chemistry and Chemical Engineering, Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, Tianjin University of Technology, Tianjin 300384, China
| | - Jiong-Peng Zhao
- School of Chemistry and Chemical Engineering, Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, Tianjin University of Technology, Tianjin 300384, China
| | - Xian-He Bu
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
- School of Materials Science and Engineering, Tianjin Key Laboratory of Metal and Molecule Based Material Chemistry, Nankai University, Tianjin 300350, China
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Barman S, Pal A, Mukherjee A, Paul S, Datta A, Ghosh S. Supramolecular Organic Ferroelectric Materials from Donor-Acceptor Systems. Chemistry 2024; 30:e202303120. [PMID: 37941296 DOI: 10.1002/chem.202303120] [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: 09/26/2023] [Revised: 11/04/2023] [Accepted: 11/06/2023] [Indexed: 11/10/2023]
Abstract
Organic ferroelectric (FE) materials, though known for more than a century, are yet to reach close to the benchmark of inorganic or hybrid materials in terms of the magnitude of polarization. Amongst the different classes of organic systems, donor (D)-acceptor (A) charge-transfer (CT) complexes are recognized as promising for ferroelectricity owing to their neutral-to-ionic phase transition at low temperature. This review presents an overview of different supramolecular D-A systems that have been explored for FE phase transitions. The discussion begins with a general introduction of ferroelectricity and its different associated parameters. Then it moves on to show early examples of CT cocrystals that have shown FE properties at sub-ambient temperature. Subsequently, recent developments in the field of room temperature (RT) ferroelectricity, exhibited by H-bond-stabilized lock-arm supramolecular-ordering (LASO) in D-A co-crystals or other FE CT-crystals devoid of neutral-ionic phase transition are discussed. Then the discussion moves on to emerging reports on other D-A soft materials such as gel and foldable polymers; finally it shows very recent developments in ferroelectricity in supramolecular assemblies of single-component dipolar or ambipolar π-systems, exhibiting intra-molecular charge transfer. The effects of structural nuances such as H-bonding, balanced charge transfer and chirality on the observed ferroelectricity is described with the available examples. Finally, piezoelectricity in recently reported ambipolar ADA-type systems are discussed to highlight the future potential of these soft materials in micropower energy harvesting.
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Affiliation(s)
- Shubhankar Barman
- School of Applied and Interdisciplinary Sciences, Indian Association for Cultivation of Science, 2 A and 2B Raja S. C. Mullick Road, 700032, Kolkata, India
| | - Aritri Pal
- School of Applied and Interdisciplinary Sciences, Indian Association for Cultivation of Science, 2 A and 2B Raja S. C. Mullick Road, 700032, Kolkata, India
| | - Anurag Mukherjee
- School of Applied and Interdisciplinary Sciences, Indian Association for Cultivation of Science, 2 A and 2B Raja S. C. Mullick Road, 700032, Kolkata, India
| | - Swadesh Paul
- School of Applied and Interdisciplinary Sciences, Indian Association for Cultivation of Science, 2 A and 2B Raja S. C. Mullick Road, 700032, Kolkata, India
| | - Anuja Datta
- School of Applied and Interdisciplinary Sciences, Indian Association for Cultivation of Science, 2 A and 2B Raja S. C. Mullick Road, 700032, Kolkata, India
- Technical Research Center, Indian Association for Cultivation of Science, 2 A and 2B Raja S. C. Mullick Road, 700032, Kolkata, India
| | - Suhrit Ghosh
- School of Applied and Interdisciplinary Sciences, Indian Association for Cultivation of Science, 2 A and 2B Raja S. C. Mullick Road, 700032, Kolkata, India
- Technical Research Center, Indian Association for Cultivation of Science, 2 A and 2B Raja S. C. Mullick Road, 700032, Kolkata, India
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6
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Jiang HH, Song XJ, Lv HP, Chen XG, Xiong RG, Zhang HY. Observation of Ferroelectric Lithography on Biodegradable PLA Films. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2307936. [PMID: 37907064 DOI: 10.1002/adma.202307936] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 10/30/2023] [Indexed: 11/02/2023]
Abstract
Ferroelectric lithography, which can purposefully control and pattern ferroelectric domains in the micro-/nanometer scale, has extensive applications in data memories, field-effect transistors, race-track memory, tunneling barriers, and integrated biochemical sensors. In pursuit of mechanical flexibility and light weight, organic ferroelectric polymers such as poly(vinylidene fluoride) are developed; however, they still suffer from complicated stretching processes of film fabrication and poor degradability. These poor features severely hinder their applications. Here, the ferroelectric lithography on the biocompatible and biodegradable poly(lactic acid) (PLA) thin films at room temperature is demonstrated. The semicrystalline PLA thin film can be easily fabricated through the melt-casting method, and the desired domain structures can be precisely written according to the predefined patterns. Most importantly, the coercive voltage (Vc ) of PLA thin film is relatively low (lower than 30 V) and can be further reduced with the decrease of the film thickness. These intriguing behaviors combined with satisfying biodegradability make PLA thin film a desirable candidate for ferroelectric lithography and enable its future application in the field of bioelectronics and biomedicine. This work sheds light on further exploration of ferroelectric lithography on other polymer ferroelectrics as well as their application as nanostructured devices.
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Affiliation(s)
- Huan-Huan Jiang
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing, 211189, P. R. China
| | - Xian-Jiang Song
- Ordered Matter Science Research Center, Nanchang University, Nanchang, 330031, P. R. China
| | - Hui-Peng Lv
- Ordered Matter Science Research Center, Nanchang University, Nanchang, 330031, P. R. China
| | - Xiao-Gang Chen
- Ordered Matter Science Research Center, Nanchang University, Nanchang, 330031, P. R. China
| | - Ren-Gen Xiong
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing, 211189, P. R. China
- Ordered Matter Science Research Center, Nanchang University, Nanchang, 330031, P. R. China
| | - Han-Yue Zhang
- Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210009, P. R. China
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7
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Chen HR, Wan M, Li ZM, Zhong WH, Ye SY, Jia QQ, Li JY, Chen LZ. Precise Design of Molecular Ferroelectrics with High TC and Tunable Band Gap by Molecular Modification. Inorg Chem 2023. [PMID: 37463296 DOI: 10.1021/acs.inorgchem.3c01497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/20/2023]
Abstract
Molecular ferroelectric materials are widely applied in piezoelectric converters, non-volatile memorizers, and photovoltaic devices due to their advantages of adjustable structure, lightweight, easy processing, and environmental friendliness. However, designing multifunctional molecular ferroelectrics with excellent properties has always been a great challenge. Herein, a multiaxial molecular ferroelectric is successfully designed by modifying the quasi-spherical cation dabco with CuBr2 to obtain halogenated [Bretdabco]CuBr4 (Bretdabco = N-bromoethyl-N'-diazabicyclo [2.2.2]octane), which crystallizes in polar point groups (C6). Typical ferroelectric behaviors featured by the P-E hysteresis loop and switched ferroelectric domain are exhibited. Notably, the molecular ferroelectric shows a high TC of 460 K, which is rare in the field and could greatly expand the application range of this material. In addition, the band gap is adjustable through the regulation of halogen. Both the UV absorption spectra and theoretical calculations indicate that the molecular ferroelectrics belong to a direct band gap (2.14 eV) semiconductor. This tunable and narrow band gap semiconductor molecular ferroelectric material with high TC can be utilized more effectively in the study of optoelectronics and sensors, including piezoelectric energy harvesters. This research may provide a promising approach for the development of multiaxial molecular ferroelectrics with a tiny band gap and high TC.
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Affiliation(s)
- Hao-Ran Chen
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, People's Republic of China
| | - Min Wan
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, People's Republic of China
| | - Zi-Mu Li
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, People's Republic of China
| | - Wen-He Zhong
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, People's Republic of China
| | - Si-Yu Ye
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, People's Republic of China
| | - Qiang-Qiang Jia
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, People's Republic of China
| | - Jun-Yi Li
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, People's Republic of China
| | - Li-Zhuang Chen
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, People's Republic of China
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8
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Lin JH, Lou JR, Ye LK, Hu BL, Zhuge PC, Fu DW, Su CY, Zhang Y. Halogen Engineering To Realize Regulable Multipolar Axes, Nonlinear Optical Response, and Piezoelectricity in Plastic Ferroelectrics. Inorg Chem 2023; 62:2870-2876. [PMID: 36706461 DOI: 10.1021/acs.inorgchem.2c04295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Compared with uniaxial molecular ferroelectrics, multiaxial ferroelectrics have better application prospects because they are no longer subject to the single-crystal form and have been pursued in recent years. Halogen engineering refers to the adjustment of halogens in materials at the atomic level, which can not only explore multiaxial ferroelectrics but also help to improve piezoelectrics, recently. In this work, we successfully synthesized and characterized three multiaxial plastic ferroelectrics through the precise molecular design from I to Cl, confirming the increase of the number of polar axes of ferroelectrics from 3 to 6, the increase of second-harmonic generation density from 2.1 times to nearly 6 times of monopotassium phosphate, and the increase of piezoelectric coefficient by 140%. This systematic work has proved that halogen engineering can not only enrich the family of multiaxial plastic ferroelectrics but also promote the further development of nonlinear optical and piezoelectric materials.
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Affiliation(s)
- Jia-He Lin
- Institute for Science and Applications of Molecular Ferroelectrics, Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Zhejiang Normal University, Jinhua 321004, People's Republic of China
| | - Jia-Rui Lou
- Institute for Science and Applications of Molecular Ferroelectrics, Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Zhejiang Normal University, Jinhua 321004, People's Republic of China
| | - Lou-Kai Ye
- Institute for Science and Applications of Molecular Ferroelectrics, Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Zhejiang Normal University, Jinhua 321004, People's Republic of China
| | - Bo-Lan Hu
- Institute for Science and Applications of Molecular Ferroelectrics, Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Zhejiang Normal University, Jinhua 321004, People's Republic of China
| | - Peng-Cheng Zhuge
- Institute for Science and Applications of Molecular Ferroelectrics, Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Zhejiang Normal University, Jinhua 321004, People's Republic of China
| | - Da-Wei Fu
- Institute for Science and Applications of Molecular Ferroelectrics, Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Zhejiang Normal University, Jinhua 321004, People's Republic of China
| | - Chang-Yuan Su
- Institute for Science and Applications of Molecular Ferroelectrics, Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Zhejiang Normal University, Jinhua 321004, People's Republic of China.,Ordered Matter Science Research Center, Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, People's Republic of China
| | - Yi Zhang
- Institute for Science and Applications of Molecular Ferroelectrics, Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Zhejiang Normal University, Jinhua 321004, People's Republic of China.,Ordered Matter Science Research Center, Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, People's Republic of China
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9
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Malec LM, Brela MZ, Stadnicka KM. Ab Initio Study of H-Bond Dynamics in Three-Component Crystals Comprising (DABCOH + ) n Polycationic Chains. Chemphyschem 2023; 24:e202200517. [PMID: 36213982 DOI: 10.1002/cphc.202200517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 10/06/2022] [Indexed: 11/16/2022]
Abstract
In this work, the dynamic character of hydrogen-bond (H-bond) networks in two three-component crystals comprising polycationic chains was described. The first studied system was 1,4-diazabicyclo[2.2.2]octan-1-ium (DABCOH+ ) sulfamate monohydrate, known for its large negative linear compressibility. The second analyzed material was the newly obtained polar salt co-crystal: 1,4-diazabicyclo[2.2.2]octan-1-ium sulfamate urea. X-ray diffraction measurements enabled us to study the H-bond systems in both crystals using the graph set analysis. Obtained structures served as the initial models for Born-Oppenheimer molecular dynamics computations. A detailed study of intermolecular interactions and power spectra was conducted. The analysis of time and space correlations between the changes in H-bonds enabled the detection of proton transfer occurring in both systems at 300 K. Further study of those dynamic phenomena was done using the Energy Decomposition Analysis for selected trajectory fragments. Our work should improve the understanding of dielectric and ferroelectric properties of hybrid organic-inorganic materials.
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Affiliation(s)
- Leszek M Malec
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387, Kraków, Poland
| | - Mateusz Z Brela
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387, Kraków, Poland
| | - Katarzyna M Stadnicka
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387, Kraków, Poland
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10
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An organic-inorganic hybrid thermochromic ferroelastic with multi-channel switches. CHINESE CHEM LETT 2023. [DOI: 10.1016/j.cclet.2022.108127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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11
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Wang S, Zhu T, Sabatini R, Najarian AM, Imran M, Zhao R, Xia P, Zeng L, Hoogland S, Seferos DS, Sargent EH. Engineering Electro-Optic BaTiO 3 Nanocrystals via Efficient Doping. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2207261. [PMID: 36125397 DOI: 10.1002/adma.202207261] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 09/07/2022] [Indexed: 06/15/2023]
Abstract
Electro-optic (EO) modulators provide electrical-to-optical signal conversion relevant to optical communications. Barium titanate (BaTiO3 ) is a promising material system for EO modulation in light of its optical ultrafast nonlinearity, low optical loss, and high refractive index. To enhance further its spontaneous polarization, BaTiO3 can be doped at the Ba and Ti sites; however, doping is often accompanied by ion migration, which diminishes EO performance. Here, donor-acceptor doping and its effect on EO efficiency are investigated, finding that La-doped BaTiO3 achieves an EO coefficient of 42 pm V-1 at 1 kHz, fully twice that of the pristine specimen; however, it is also observed that, with this single-element doping, the EO response falls off rapidly with frequency. From impedance spectroscopy, it is found that frequency-dependent EO is correlated with ion migration. Density functional theory calculations predict that the ion-migration barrier decreases with La3+ doping but can be recovered with further Mn2+ doping, a finding that prompts to prevent ion migration by incorporating Mn2+ into the Ti-site to compensate for the charge imbalance.
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Affiliation(s)
- Sasa Wang
- Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, Ontario, M5S 3G4, Canada
| | - Tong Zhu
- Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, Ontario, M5S 3G4, Canada
| | - Randy Sabatini
- Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, Ontario, M5S 3G4, Canada
| | - Amin Morteza Najarian
- Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, Ontario, M5S 3G4, Canada
| | - Muhammad Imran
- Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, Ontario, M5S 3G4, Canada
| | - Ruyan Zhao
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario, M5S 3H6, Canada
| | - Pan Xia
- Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, Ontario, M5S 3G4, Canada
| | - Lewei Zeng
- Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, Ontario, M5S 3G4, Canada
| | - Sjoerd Hoogland
- Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, Ontario, M5S 3G4, Canada
| | - Dwight S Seferos
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario, M5S 3H6, Canada
| | - Edward H Sargent
- Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, Ontario, M5S 3G4, Canada
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12
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Han S, Ma Y, Hua L, Tang L, Wang B, Sun Z, Luo J. Soft Multiaxial Molecular Ferroelectric Thin Films with Self-Powered Broadband Photodetection. J Am Chem Soc 2022; 144:20315-20322. [DOI: 10.1021/jacs.2c07892] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Shiguo Han
- State Key Laboratory of Structure Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P. R. China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou 350002, P. R. China
| | - Yu Ma
- State Key Laboratory of Structure Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P. R. China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou 350002, P. R. China
| | - Lina Hua
- State Key Laboratory of Structure Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P. R. China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou 350002, P. R. China
| | - Liwei Tang
- State Key Laboratory of Structure Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P. R. China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou 350002, P. R. China
| | - Beibei Wang
- State Key Laboratory of Structure Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P. R. China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou 350002, P. R. China
| | - Zhihua Sun
- State Key Laboratory of Structure Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P. R. China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou 350002, P. R. China
| | - Junhua Luo
- State Key Laboratory of Structure Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P. R. China
- School of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P. R. China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou 350002, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
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13
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Wang P, Zhang M, Wei Z, Du W, Peng Z, Cai H. 3D Perovskite (1,5-3.2.2-H 2dabcn)CsBr 3 with Reverse Symmetry Breaking. Inorg Chem 2022; 61:16414-16420. [PMID: 36197835 DOI: 10.1021/acs.inorgchem.2c02497] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Even though hybrid organic-inorganic perovskites (HOIPs) have been studied by many scholars in recent years, there are not many reports on three-dimensional (3D) alkali metal cesium halide perovskites. Here, we report an unprecedented 3D HOIP molecule (1,5-3.2.2-H2dabcn)CsBr3 (1), in which the 3D anionic framework is constructed by corner-sharing CsBr6 octahedra and organic cations [1,5-3.2.2-H2dabcn]2+ are located in the cavities formed by the octahedra. Organic cations interact with an inorganic metal frame via two N-H···Br hydrogen bonds. Compound 1 undergoes a reversible order-disorder phase transition and exhibits switchable dielectric and second-harmonic generation (SHG) properties. Interestingly, product 1 crystallizes in a non-centrosymmetric space group Pmn21 at the low-temperature phase (LTP) and transforms into a centrosymmetric space group P2/m at the high-temperature phase (HTP). The space group Pmn21 in the LTP has a higher symmetry than P2/m in the HTP. This inverted symmetry breaking is very unusual.
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Affiliation(s)
- Pan Wang
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, People's Republic of China
| | - Mengxia Zhang
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, People's Republic of China
| | - Zhenhong Wei
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, People's Republic of China
| | - Wenqing Du
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, People's Republic of China
| | - Ziqin Peng
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, People's Republic of China
| | - Hu Cai
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, People's Republic of China
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14
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Zhang HY, Jiang HH, Zhang Y, Zhang N, Xiong RG. Ferroelectric Lithography in Single-Component Organic Enantiomorphic Ferroelectrics. Angew Chem Int Ed Engl 2022; 61:e202200135. [PMID: 35166001 DOI: 10.1002/anie.202200135] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Indexed: 11/06/2022]
Abstract
Organic ferroelectrics are flexible, lightweight, and bio-friendly, promising for bio-harmonized electronic devices, while their ferroelectric lithography remains relatively unexplored. Here, by introducing homochirality and ZE photoisomerization, we obtained a pair of organic enantiomorphic ferroelectrics, di(benzylamino)-substituted derivatives of muconic acids, the first ferroelectrics in the muconic family. Their ferroelectric and chiral features were confirmed by the polarization-electric field hysteresis loops and circular dichroism spectra, respectively. Piezoresponse force microscopy measurements demonstrate that the desired domain structure can be precisely achieved by applying a local electric field on a predefined pattern in their thin films. Moreover, thermogravimetric analyses reveal that their ferroelectricity can persist up to above 550 K. The precise pattern lithography and excellent thermal stability make them competitive candidates for ferroelectric lithography.
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Affiliation(s)
- Han-Yue Zhang
- State Key Laboratory of Bioelectronics, Southeast University, Nanjing, 211189, P. R. China
| | - Huan-Huan Jiang
- State Key Laboratory of Bioelectronics, Southeast University, Nanjing, 211189, P. R. China.,Present address: Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing, 211189, P. R. China
| | - Yao Zhang
- State Key Laboratory of Bioelectronics, Southeast University, Nanjing, 211189, P. R. China.,Present address: Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing, 211189, P. R. China
| | - Nan Zhang
- State Key Laboratory of Bioelectronics, Southeast University, Nanjing, 211189, P. R. China.,Present address: Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing, 211189, P. R. China
| | - Ren-Gen Xiong
- State Key Laboratory of Bioelectronics, Southeast University, Nanjing, 211189, P. R. China.,Present address: Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing, 211189, P. R. China
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15
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Li QQ, Wang GK, Liang ZX, Hu ZJ. Highly Transparent and Adhesive Poly(vinylidene difluoride) Films for Self-Powered Piezoelectric Touch Sensors. CHINESE JOURNAL OF POLYMER SCIENCE 2022. [DOI: 10.1007/s10118-022-2720-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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16
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Zhang H, Jiang H, Zhang Y, Zhang N, Xiong R. Ferroelectric Lithography in Single‐Component Organic Enantiomorphic Ferroelectrics. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202200135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Han‐Yue Zhang
- State Key Laboratory of Bioelectronics Southeast University Nanjing 211189 P. R. China
| | - Huan‐Huan Jiang
- State Key Laboratory of Bioelectronics Southeast University Nanjing 211189 P. R. China
- Present address: Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics Southeast University Nanjing 211189 P. R. China
| | - Yao Zhang
- State Key Laboratory of Bioelectronics Southeast University Nanjing 211189 P. R. China
- Present address: Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics Southeast University Nanjing 211189 P. R. China
| | - Nan Zhang
- State Key Laboratory of Bioelectronics Southeast University Nanjing 211189 P. R. China
- Present address: Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics Southeast University Nanjing 211189 P. R. China
| | - Ren‐Gen Xiong
- State Key Laboratory of Bioelectronics Southeast University Nanjing 211189 P. R. China
- Present address: Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics Southeast University Nanjing 211189 P. R. China
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17
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Mukherjee A, Barman S, Ghosh A, Chakraborty S, Datta A, Datta A, Ghosh S. Stable room temperature ferroelectricity in hydrogen-bonded supramolecular assemblies of ambipolar π-systems. Chem Sci 2022; 13:781-788. [PMID: 35173943 PMCID: PMC8768847 DOI: 10.1039/d1sc04617a] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Accepted: 12/17/2021] [Indexed: 12/14/2022] Open
Abstract
This article reports H-bonding driven supramolecular polymerization of naphthalimide (A)-thiophene (D)-naphthalimide (A) (AD n A, n = 1-4) conjugated ambipolar π-systems and its remarkable impact on room temperature ferroelectricity. Electrochemical studies confirm the ambipolar nature of these AD n A molecules with the HOMO-LUMO gap varying between 2.05 and 2.29 eV. Electron density mapping from ESP calculations reveals intra-molecular charge separation as typically observed in ambipolar systems. In the aggregated state, AD1A and AD2A exhibit bathochromically shifted absorption bands while AD3A and AD4A show typical H-aggregation with a hypsochromic shift. Polarization vs. electric field (P-E) measurements reveal stable room temperature ferroelectricity for these supramolecular assemblies, most prominent for the AD2A system, with a Curie temperature (T c) ≈ 361 K and saturation polarization (P s) of ∼2 μC cm-2 at a rather low coercive field of ∼2 kV cm-1. Control molecules, lacking either the ambipolar chromophore or the amide functionality, do not show any ferroelectricity, vindicating the present molecular and supramolecular design. Computational studies enable structural optimization of the stacked oligomer(s) of AD2A molecules and reveal a significant increase in the macro-dipole moment (in the range of 10-12 Debye) going from the monomer to the oligomer(s), which provides the rationale for the origin of ferroelectricity in these supramolecular polymers.
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Affiliation(s)
- Anurag Mukherjee
- School of Applied and Interdisciplinary Sciences, Indian Association for the Cultivation of Science 2A and 2B Raja SC Mallick Road, Jadavpur Kolkata 700032 India
| | - Shubhankar Barman
- School of Applied and Interdisciplinary Sciences, Indian Association for the Cultivation of Science 2A and 2B Raja SC Mallick Road, Jadavpur Kolkata 700032 India
| | - Anupam Ghosh
- School of Chemical Sciences, Indian Association for the Cultivation of Science 2A and 2B Raja SC Mallick Road, Jadavpur Kolkata 700032 India
| | - Saptarshi Chakraborty
- School of Applied and Interdisciplinary Sciences, Indian Association for the Cultivation of Science 2A and 2B Raja SC Mallick Road, Jadavpur Kolkata 700032 India
| | - Ayan Datta
- School of Chemical Sciences, Indian Association for the Cultivation of Science 2A and 2B Raja SC Mallick Road, Jadavpur Kolkata 700032 India
| | - Anuja Datta
- School of Applied and Interdisciplinary Sciences, Indian Association for the Cultivation of Science 2A and 2B Raja SC Mallick Road, Jadavpur Kolkata 700032 India
| | - Suhrit Ghosh
- School of Applied and Interdisciplinary Sciences, Indian Association for the Cultivation of Science 2A and 2B Raja SC Mallick Road, Jadavpur Kolkata 700032 India
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18
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You X, Rao W, Han K, Wang L, Zhang M, Wei Z. Two quasi-spherical molecules [1,4-diazabicyclo(3.2.2)nonane]X (X = ClO 4, ReO 4) exhibit switchable phase transition, dielectric and second-harmonic-generation properties. NEW J CHEM 2022. [DOI: 10.1039/d2nj02531k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Two quasi-spherical molecules [3.2.2-Hdabc]X (1,4-diazabicyclo[3.2.2]nonane = 3.2.2-dabcn, X = ClO4, ReO4) with a high phase transition temperature exhibited switchable phase transition as well as dielectric and SHG properties.
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Affiliation(s)
- Xiuli You
- Jiangxi key laboratory of organic chemistry, Jiangxi science and technology normal university, Nanchang, 330013, China
| | - Wenjun Rao
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, 330031, P. R. China
| | - Keke Han
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, 330031, P. R. China
| | - Lingyu Wang
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, 330031, P. R. China
| | - Mengxia Zhang
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, 330031, P. R. China
| | - Zhenhong Wei
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, 330031, P. R. China
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19
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Li DF, Zhao PJ, Deng XH, Wu YZ, He XL, Liu DS, Li YX, Sui Y. A new organic–inorganic hybrid perovskite ferroelectric [ClCH 2CH 2N(CH 3) 3][PbBr 3] and Its PVDF matrix-assisted highly-oriented flexible ferroelectric films. NEW J CHEM 2022. [DOI: 10.1039/d2nj03613d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A hybrid perovskite with dielectric, SHG, and ferroelectric triple transitions was tailored into highly-oriented films using PVDF matrix-assisted in situ growth.
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Affiliation(s)
- Duo-Fu Li
- School of Chemistry and Chemical Engineering, The Key Laboratory of Coordination Chemistry of Jiangxi Province, Humic Acid Utilization Engineering Research Center of Jiangxi Province, Jinggangshan University, Ji'an, Jiangxi, P. R. China
- College of Chemistry, Nanchang University, Nanchang 330031, P. R. China
| | - Peng-Ju Zhao
- School of Chemistry and Chemical Engineering, The Key Laboratory of Coordination Chemistry of Jiangxi Province, Humic Acid Utilization Engineering Research Center of Jiangxi Province, Jinggangshan University, Ji'an, Jiangxi, P. R. China
| | - Xiang-Hong Deng
- School of Chemistry and Chemical Engineering, The Key Laboratory of Coordination Chemistry of Jiangxi Province, Humic Acid Utilization Engineering Research Center of Jiangxi Province, Jinggangshan University, Ji'an, Jiangxi, P. R. China
| | - Yao-Zhen Wu
- School of Chemistry and Chemical Engineering, The Key Laboratory of Coordination Chemistry of Jiangxi Province, Humic Acid Utilization Engineering Research Center of Jiangxi Province, Jinggangshan University, Ji'an, Jiangxi, P. R. China
| | - Xiao-Li He
- School of Chemistry and Chemical Engineering, The Key Laboratory of Coordination Chemistry of Jiangxi Province, Humic Acid Utilization Engineering Research Center of Jiangxi Province, Jinggangshan University, Ji'an, Jiangxi, P. R. China
| | - Dong-Sheng Liu
- School of Chemistry and Chemical Engineering, The Key Laboratory of Coordination Chemistry of Jiangxi Province, Humic Acid Utilization Engineering Research Center of Jiangxi Province, Jinggangshan University, Ji'an, Jiangxi, P. R. China
| | - Yong-Xiu Li
- College of Chemistry, Nanchang University, Nanchang 330031, P. R. China
| | - Yan Sui
- School of Chemistry and Chemical Engineering, The Key Laboratory of Coordination Chemistry of Jiangxi Province, Humic Acid Utilization Engineering Research Center of Jiangxi Province, Jinggangshan University, Ji'an, Jiangxi, P. R. China
- College of Chemistry, Nanchang University, Nanchang 330031, P. R. China
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20
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Sahoo S, Vijayakanth T, Kothavade P, Dixit P, Zaręba JK, Shanmuganathan K, Boomishankar R. Ferroelectricity and Piezoelectric Energy Harvesting of Hybrid A 2BX 4-Type Halogenocuprates Stabilized by Phosphonium Cations. ACS MATERIALS AU 2021; 2:124-131. [PMID: 36855770 PMCID: PMC9888644 DOI: 10.1021/acsmaterialsau.1c00046] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Perovskite-structured compounds containing organic cations and inorganic anions have gained prominence as materials for next-generation electronic and energy devices. Hybrid materials possessing ferro- and piezoelectric properties are in recent focus for mechanical energy harvesting (nanogenerator) applications. Here, we report the ferroelectric behavior of A2BX4-type halogenocuprate materials supported by heteroleptic phosphonium cations. These lead-free discrete Cu(II) halides [Ph3MeP]2[CuCl4] (1) and [Ph3MeP]2[CuBr4] (2) exhibit a remnant polarization (P r) of 17.16 and 26.02 μC cm-2, respectively, at room temperature. Furthermore, flexible polymer films were prepared with various weight percentage (wt %) compositions of 1 in thermoplastic polyurethane (TPU) and studied for mechanical energy harvesting applications. A highest peak-to-peak voltage output of 25 V and power density of 14.1 μW cm-2 were obtained for the optimal 15 wt % 1-TPU composite film. The obtained output voltages were utilized for charging a 100 μF electrolytic capacitor that reaches its maximum charging point within 30 s with sizable stored energies and accumulated charges.
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Affiliation(s)
- Supriya Sahoo
- †Department
of Chemistry and ‡Centre for Energy Science, Indian Institute
of Science Education and Research (IISER), Dr. Homi Bhabha Road, Pune 411008, India
| | - Thangavel Vijayakanth
- †Department
of Chemistry and ‡Centre for Energy Science, Indian Institute
of Science Education and Research (IISER), Dr. Homi Bhabha Road, Pune 411008, India
| | - Premkumar Kothavade
- Polymer
Science and Engineering Division, CSIR-National
Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411008, India,Academy
of Scientific and Innovative Research, Ghaziabad 201002, India
| | - Prashant Dixit
- PZT
Centre, Armament Research and Development
Establishment, Dr. Homi Bhabha Road, Pune 411021, India
| | - Jan K. Zaręba
- Advanced
Materials Engineering and Modelling Group, Wrocław University of Science and Technology, Wybrzeże Wyspiańskiego
27, 50-370 Wrocław, Poland,
| | - Kadhiravan Shanmuganathan
- Polymer
Science and Engineering Division, CSIR-National
Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411008, India,Academy
of Scientific and Innovative Research, Ghaziabad 201002, India,
| | - Ramamoorthy Boomishankar
- †Department
of Chemistry and ‡Centre for Energy Science, Indian Institute
of Science Education and Research (IISER), Dr. Homi Bhabha Road, Pune 411008, India,
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21
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Rao W, Li M, You X, Wei Z, Zhang M, Wang L, Cai H. The Role of Fluorine-Substituted Positions on the Phase Transition in Organic-Inorganic Hybrid Perovskite Compounds. Inorg Chem 2021; 60:14706-14712. [PMID: 34546753 DOI: 10.1021/acs.inorgchem.1c01816] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Although research on organic-inorganic hybrid perovskites (OIHPs) has grown exponentially in the past two decades, the high phase transition temperature of OIHP materials is still one of the insurmountable difficulties. Herein, a series of A2BX4 type OIHP materials [(2,n-DFBA)2PbCl4] (n = 3, for 1; n = 4, for 2; n = 5, for 3; n = 6, for 4) have been prepared by reactions of double-substituted difluorobenzylamine (difluorobenzylamine = DFBA) with lead chloride in concentrated HCl aqueous solution. It was found the OIHP compounds 1-3 proceed a switchable phase transition with phase transition temperatures (Tc) at 449 K (1), 462 K (2) and 500 K (3), higher than that of the parent compound [(BA)2PbCl4] (BA = benzylammonium) at 438 K, but compound 4 exhibits no phase transition. A crystal structure analysis elucidated that the organic template ligands DFBA lead in the inorganic part in compounds 1-3 to a two-dimensional (2D) perovskite structure, while that in compound 4 leads to a one-dimensional (1D) chain structure. The different double-substituted positions of fluorine atoms on benzylamine have important influences on the phase transition in compounds 1-4.
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Affiliation(s)
- Wenjun Rao
- College of Chemistry, Nanchang University, Nanchang city 330031, People's Republic of China
| | - Mingli Li
- College of Chemistry, Nanchang University, Nanchang city 330031, People's Republic of China
| | - Xiuli You
- Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University, Nanchang 330013, People's Republic of China
| | - Zhenhong Wei
- College of Chemistry, Nanchang University, Nanchang city 330031, People's Republic of China
| | - Mengxia Zhang
- College of Chemistry, Nanchang University, Nanchang city 330031, People's Republic of China
| | - Lingyu Wang
- College of Chemistry, Nanchang University, Nanchang city 330031, People's Republic of China
| | - Hu Cai
- College of Chemistry, Nanchang University, Nanchang city 330031, People's Republic of China
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22
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Zhang HY, Chen XG, Tang YY, Liao WQ, Di FF, Mu X, Peng H, Xiong RG. PFM (piezoresponse force microscopy)-aided design for molecular ferroelectrics. Chem Soc Rev 2021; 50:8248-8278. [PMID: 34081064 DOI: 10.1039/c9cs00504h] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
With prosperity, decay, and another spring, molecular ferroelectrics have passed a hundred years since Valasek first discovered ferroelectricity in the molecular compound Rochelle salt. Recently, the proposal of ferroelectrochemistry has injected new vigor into this century-old research field. It should be highlighted that piezoresponse force microscopy (PFM) technique, as a non-destructive imaging and manipulation method for ferroelectric domains at the nanoscale, can significantly speed up the design rate of molecular ferroelectrics as well as enhance the ferroelectric and piezoelectric performances relying on domain engineering. Herein, we provide a brief review of the contribution of the PFM technique toward assisting the design and performance optimization of molecular ferroelectrics. Relying on the relationship between ferroelectric domains and crystallography, together with other physical characteristics such as domain switching and piezoelectricity, we believe that the PFM technique can be effectively applied to assist the design of high-performance molecular ferroelectrics equipped with multifunctionality, and thereby facilitate their practical utilization in optics, electronics, magnetics, thermotics, and mechanics among others.
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Affiliation(s)
- Han-Yue Zhang
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, P. R. China.
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23
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An LC, Li K, Li ZG, Zhu S, Li Q, Zhang ZZ, Ji LJ, Li W, Bu XH. Engineering Elastic Properties of Isostructural Molecular Perovskite Ferroelectrics via B-Site Substitution. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2006021. [PMID: 33719203 DOI: 10.1002/smll.202006021] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Revised: 12/07/2020] [Indexed: 06/12/2023]
Abstract
Managing elastic properties of ABX3 type molecular perovskite ferroelectrics is critical to their future applications since these parameters determine their service durability and reliability in devices. The abundant structural and chemical viability of these compounds offer a convenient way to manipulate their elastic properties through a facile chemical approach. Here, the elastic properties and high-pressure behaviors of two isostructural perovskite ferroelectrics, MDABCO-NH4 I3 and MDABCO-KI3 (MDABCO = N-methyl-N'-diazabicyclo[2.2.2]octonium) is systematically investigated, via the first principles calculations and high-pressure synchrotron X-ray diffraction experiments. It is show that the simple replacement of NH4 + by K+ on the B-site respectively results in up to 48.1%, 52.4%, and 56.3% higher Young's moduli, shear moduli and bulk moduli, which is attributed to the much stronger KI coordination bonding than NH4 …I hydrogen bonding. These findings demonstrate that it is possible to tune elastic properties of molecular perovskite ferroelectrics via simply varying the framework assembling interactions.
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Affiliation(s)
- Lian-Cai An
- School of Materials Science and Engineering, TKL of Metal and Molecule Based Material Chemistry, Nankai University, Tianjin, 300350, China
| | - Kai Li
- School of Materials Science and Engineering, TKL of Metal and Molecule Based Material Chemistry, Nankai University, Tianjin, 300350, China
| | - Zhi-Gang Li
- School of Materials Science and Engineering, TKL of Metal and Molecule Based Material Chemistry, Nankai University, Tianjin, 300350, China
| | - Shengli Zhu
- School of Materials Science and Engineering, Tianjin University, Tianjin, 300350, China
| | - Qite Li
- School of Materials Science and Engineering, Tianjin University, Tianjin, 300350, China
| | - Zhuo-Zhen Zhang
- School of Materials Science and Engineering, TKL of Metal and Molecule Based Material Chemistry, Nankai University, Tianjin, 300350, China
| | - Li-Jun Ji
- School of Physics, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Wei Li
- School of Materials Science and Engineering, TKL of Metal and Molecule Based Material Chemistry, Nankai University, Tianjin, 300350, China
| | - Xian-He Bu
- School of Materials Science and Engineering, TKL of Metal and Molecule Based Material Chemistry, Nankai University, Tianjin, 300350, China
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24
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Zhang HY, Zhang ZX, Chen XG, Song XJ, Zhang Y, Xiong RG. Large Electrostrictive Coefficient in a Two-Dimensional Hybrid Perovskite Ferroelectric. J Am Chem Soc 2021; 143:1664-1672. [DOI: 10.1021/jacs.0c12907] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Han-Yue Zhang
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, People’s Republic of China
| | - Zhi-Xu Zhang
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, People’s Republic of China
| | - Xiao-Gang Chen
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, People’s Republic of China
| | - Xian-Jiang Song
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, People’s Republic of China
| | - Yi Zhang
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, People’s Republic of China
| | - Ren-Gen Xiong
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, People’s Republic of China
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25
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Peng Y, Bie J, Liu X, Li L, Chen S, Fa W, Wang S, Sun Z, Luo J. Acquiring High‐
T
C
Layered Metal Halide Ferroelectrics via Cage‐Confined Ethylamine Rotators. Angew Chem Int Ed Engl 2020; 60:2839-2843. [DOI: 10.1002/anie.202011270] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Indexed: 11/12/2022]
Affiliation(s)
- Yu Peng
- State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Institution Fuzhou Fujian 350002 P. R. China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China Fuzhou Fujian 350108 P. R. China
- School of Physical Science and Technology ShanghaiTech University Shanghai 201210 P. R. China
- University of the Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Jie Bie
- Kuang Yaming Honors School Nanjing University Nanjing Jiangsu 210023 China
- National Laboratory of Solid State Microstructures and Department of Physics Nanjing University Nanjing Jiangsu 210093 China
| | - Xitao Liu
- State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Institution Fuzhou Fujian 350002 P. R. China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China Fuzhou Fujian 350108 P. R. China
| | - Lina Li
- State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Institution Fuzhou Fujian 350002 P. R. China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China Fuzhou Fujian 350108 P. R. China
| | - Shuang Chen
- Kuang Yaming Honors School Nanjing University Nanjing Jiangsu 210023 China
- Institute for Brain Sciences Nanjing University Nanjing Jiangsu 210023 China
| | - Wei Fa
- National Laboratory of Solid State Microstructures and Department of Physics Nanjing University Nanjing Jiangsu 210093 China
| | - Sasa Wang
- State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Institution Fuzhou Fujian 350002 P. R. China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China Fuzhou Fujian 350108 P. R. China
- University of the Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Zhihua Sun
- State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Institution Fuzhou Fujian 350002 P. R. China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China Fuzhou Fujian 350108 P. R. China
| | - Junhua Luo
- State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Institution Fuzhou Fujian 350002 P. R. China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China Fuzhou Fujian 350108 P. R. China
- School of Physical Science and Technology ShanghaiTech University Shanghai 201210 P. R. China
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26
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Peng Y, Bie J, Liu X, Li L, Chen S, Fa W, Wang S, Sun Z, Luo J. Acquiring High‐
T
C
Layered Metal Halide Ferroelectrics via Cage‐Confined Ethylamine Rotators. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202011270] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Yu Peng
- State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Institution Fuzhou Fujian 350002 P. R. China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China Fuzhou Fujian 350108 P. R. China
- School of Physical Science and Technology ShanghaiTech University Shanghai 201210 P. R. China
- University of the Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Jie Bie
- Kuang Yaming Honors School Nanjing University Nanjing Jiangsu 210023 China
- National Laboratory of Solid State Microstructures and Department of Physics Nanjing University Nanjing Jiangsu 210093 China
| | - Xitao Liu
- State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Institution Fuzhou Fujian 350002 P. R. China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China Fuzhou Fujian 350108 P. R. China
| | - Lina Li
- State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Institution Fuzhou Fujian 350002 P. R. China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China Fuzhou Fujian 350108 P. R. China
| | - Shuang Chen
- Kuang Yaming Honors School Nanjing University Nanjing Jiangsu 210023 China
- Institute for Brain Sciences Nanjing University Nanjing Jiangsu 210023 China
| | - Wei Fa
- National Laboratory of Solid State Microstructures and Department of Physics Nanjing University Nanjing Jiangsu 210093 China
| | - Sasa Wang
- State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Institution Fuzhou Fujian 350002 P. R. China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China Fuzhou Fujian 350108 P. R. China
- University of the Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Zhihua Sun
- State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Institution Fuzhou Fujian 350002 P. R. China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China Fuzhou Fujian 350108 P. R. China
| | - Junhua Luo
- State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Institution Fuzhou Fujian 350002 P. R. China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China Fuzhou Fujian 350108 P. R. China
- School of Physical Science and Technology ShanghaiTech University Shanghai 201210 P. R. China
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27
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Tang YY, Xie Y, Ai Y, Liao WQ, Li PF, Nakamura T, Xiong RG. Organic Ferroelectric Vortex-Antivortex Domain Structure. J Am Chem Soc 2020; 142:21932-21937. [PMID: 33326208 DOI: 10.1021/jacs.0c11416] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Organic ferroelectrics are attracting tremendous interest because of their mechanical flexibility, ease of fabrication, and low acoustical impedance. Although great advances have been made in recent years, topological defects such as vortices remain relatively unexplored in the organic ferroelectric system. Here, from [quinuclidinium]ReO4 ([Q]ReO4), we applied the molecular design strategy of H/F substitution to successfully synthesize the organic ferroelectric [4-fluoroquinuclidinium]ReO4 ([4-F-Q]ReO4). Through H/F substitution, the Curie temperature and spontaneous polarization are respectively increased from 367 K and 5.83 μC/cm2 in [Q]ReO4 to 466 K and 11.37 μC/cm2 in [4-F-Q]ReO4. Moreover, under mechanical stress fields, three kinds of stripelike domains with various polarization directions emerge to form a windmill-like domain pattern in the thin film of [4-F-Q]ReO4, in which intriguing vortex-antivortex topological configurations can exist stably. This work provides an efficient strategy for optimizing the properties of organic ferroelectrics and exploring emergent phenomena.
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Affiliation(s)
- Yuan-Yuan Tang
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People's Republic of China
| | - Yongfa Xie
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People's Republic of China
| | - Yong Ai
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People's Republic of China
| | - Wei-Qiang Liao
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People's Republic of China
| | - Peng-Fei Li
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People's Republic of China
| | - Takayoshi Nakamura
- Research Institute for Electronic Science, Hokkaido University, Kitaku, Sapporo, Hokkaido 001-0020, Japan
| | - Ren-Gen Xiong
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People's Republic of China
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28
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Tang YY, Liu YH, Peng H, Deng BB, Cheng TT, Hu YT. Three-Dimensional Lead Bromide Hybrid Ferroelectric Realized by Lattice Expansion. J Am Chem Soc 2020; 142:19698-19704. [DOI: 10.1021/jacs.0c09586] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Yuan-Yuan Tang
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People’s Republic of China
| | - Yu-Hua Liu
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People’s Republic of China
| | - Hang Peng
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People’s Republic of China
| | - Bin-Bin Deng
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People’s Republic of China
| | - Ting-Ting Cheng
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People’s Republic of China
| | - Yan-Ting Hu
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People’s Republic of China
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29
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Kobayashi F, Akiyoshi R, Kosumi D, Nakamura M, Lindoy LF, Hayami S. Solvent vapor-induced polarity and ferroelectricity switching. Chem Commun (Camb) 2020; 56:10509-10512. [PMID: 32776059 DOI: 10.1039/d0cc04497k] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Vapor-induced crystal to crystal transformation between non-polar [Fe(sap)(acac)(sol)] (H2sap = 2-salicylideneaminophenol, acac = acethylacetate, sol = MeOH, pyridine) and polar [Fe(sap)(acac)(DMSO)] was demonstrated. It provides an example of switchable ferroelectric behaviour attributted to the structural phase transition triggered by solvent vapour.
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Affiliation(s)
- Fumiya Kobayashi
- Department of Chemistry, Faculty of Science, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan
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30
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Tang YY, Xie Y, Zeng YL, Liu JC, He WH, Huang XQ, Xiong RG. Record Enhancement of Phase Transition Temperature Realized by H/F Substitution. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e2003530. [PMID: 32697371 DOI: 10.1002/adma.202003530] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2020] [Revised: 06/21/2020] [Indexed: 06/11/2023]
Abstract
A high transition temperature (Tc ) is essential for the practical application of ferroelectrics as electronic devices under extreme thermal conditions in the aerospace, automotive, and energy industries. In recent decades, the isotope effect and strain engineering are found to effectively modulate Tc ; however, these strategies are limited to certain systems. Developing simple, universal, and practical methods to improve Tc has become an imminent challenge for expanding the applications of ferroelectrics. Here, by adopting a molecular design strategy involving H/F substitution on an organic-inorganic hybrid perovskite (1-azabicyclo[2.2.1]heptane)CdCl3 at a Tc of 190 K, the successful synthesis of a multiaxial, ferroelectric hybrid perovskite (4-fluoro-1-azabicyclo[2.2.1]heptane)CdCl3 is reported, which demonstrates a large spontaneous polarization of 11.2 µC cm-2 (greater than that of polyvinylidene difluoride) and a Tc of 419 K (greater than that of BaTiO3 ). This temperature enhancement (229 K) is the largest reported for molecular ferroelectrics, far exceeding the reported enhancements induced by the isotope effect and other techniques. This pioneering technique provides an effective and universal method for improving Tc in ferroelectrics and represents an important step toward the development of high-performance ferroelectric technology.
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Affiliation(s)
- Yuan-Yuan Tang
- Ordered Matter Science Research Center, Nanchang University, Nanchang, 330031, P. R. China
| | - Yongfa Xie
- Ordered Matter Science Research Center, Nanchang University, Nanchang, 330031, P. R. China
| | - Yu-Ling Zeng
- Ordered Matter Science Research Center, Nanchang University, Nanchang, 330031, P. R. China
| | - Jun-Chao Liu
- Ordered Matter Science Research Center, Nanchang University, Nanchang, 330031, P. R. China
| | - Wen-Hui He
- Ordered Matter Science Research Center, Nanchang University, Nanchang, 330031, P. R. China
| | - Xue-Qin Huang
- Ordered Matter Science Research Center, Nanchang University, Nanchang, 330031, P. R. China
| | - Ren-Gen Xiong
- Ordered Matter Science Research Center, Nanchang University, Nanchang, 330031, P. R. China
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31
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Ai Y, Zeng YL, He WH, Huang XQ, Tang YY. Six-Fold Vertices in a Single-Component Organic Ferroelectric with Most Equivalent Polarization Directions. J Am Chem Soc 2020; 142:13989-13995. [DOI: 10.1021/jacs.0c06936] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Yong Ai
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People’s Republic of China
| | - Yu-Ling Zeng
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People’s Republic of China
| | - Wen-Hui He
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People’s Republic of China
| | - Xue-Qin Huang
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People’s Republic of China
| | - Yuan-Yuan Tang
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People’s Republic of China
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32
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Song XJ, Zhang ZX, Chen XG, Zhang HY, Pan Q, Yao J, You YM, Xiong RG. Bistable State of Protons for Low-Voltage Memories. J Am Chem Soc 2020; 142:9000-9006. [DOI: 10.1021/jacs.0c02924] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Xian-Jiang Song
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, People’s Republic of China
| | - Zhi-Xu Zhang
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, People’s Republic of China
| | - Xiao-Gang Chen
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, People’s Republic of China
| | - Han-Yue Zhang
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, People’s Republic of China
| | - Qiang Pan
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, People’s Republic of China
| | - Jie Yao
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, People’s Republic of China
| | - Yu-Meng You
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, People’s Republic of China
| | - Ren-Gen Xiong
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, People’s Republic of China
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33
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Sui Y, Liu DS, Chen WT, Wang LJ, Ma YX, Lai HQ, Zhou YW, Wen HR. Organic-inorganic Hybrid ([BrCH 2 CH 2 N(CH 3 ) 3 ] + 2 [CdBr 4 ] 2- ) with Unusual Ferroelectric and Switchable Dielectric Bifunctional Properties over Different Temperature Range. Chem Asian J 2020; 15:1621-1626. [PMID: 32239798 DOI: 10.1002/asia.202000241] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 03/30/2020] [Indexed: 11/09/2022]
Abstract
Both ferroelectric and switchable dielectric behaviors are of great academic value and practical significance, but they usually exist alone. If combine the two properties into one compound, it will be more valuable in practical application. In this paper, quasi-spherical (2-bromoethyl) trimethylammonium cation was used to match with [CdBr4 ]2- anion, and a new organic-inorganic hybrid compound ([BrCH2 CH2 N(CH3 )3 ]+ 2 [CdBr4 ]2- , BETABCdBr) was obtained and carefully characterized. The results indicate that this compound undergoes two continuous reversible phase transition around 342 K and 390 K. It could respectively exhibit ferroelectric and switchable dielectric properties over different temperature range. This work may provide a new clue to explore new types of bifunctional phase transition smart materials to meet various application requirements.
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Affiliation(s)
- Yan Sui
- School of Chemistry and Chemical Engineering, The Key Laboratory of Coordination Chemistry of Jiangxi Province, Humic Acid Utilization Engineering Research Center of Jiangxi Province, Jinggangshan University, Ji'An, Jiangxi, 343009, P.R. China
| | - Dong-Sheng Liu
- School of Chemistry and Chemical Engineering, The Key Laboratory of Coordination Chemistry of Jiangxi Province, Humic Acid Utilization Engineering Research Center of Jiangxi Province, Jinggangshan University, Ji'An, Jiangxi, 343009, P.R. China
| | - Wen-Tong Chen
- School of Chemistry and Chemical Engineering, The Key Laboratory of Coordination Chemistry of Jiangxi Province, Humic Acid Utilization Engineering Research Center of Jiangxi Province, Jinggangshan University, Ji'An, Jiangxi, 343009, P.R. China
| | - Liang-Jun Wang
- School of Chemistry and Chemical Engineering, The Key Laboratory of Coordination Chemistry of Jiangxi Province, Humic Acid Utilization Engineering Research Center of Jiangxi Province, Jinggangshan University, Ji'An, Jiangxi, 343009, P.R. China
| | - Yu-Xiao Ma
- School of Chemistry and Chemical Engineering, The Key Laboratory of Coordination Chemistry of Jiangxi Province, Humic Acid Utilization Engineering Research Center of Jiangxi Province, Jinggangshan University, Ji'An, Jiangxi, 343009, P.R. China
| | - Hui-Qi Lai
- School of Chemistry and Chemical Engineering, The Key Laboratory of Coordination Chemistry of Jiangxi Province, Humic Acid Utilization Engineering Research Center of Jiangxi Province, Jinggangshan University, Ji'An, Jiangxi, 343009, P.R. China
| | - Yu-Wei Zhou
- School of Chemistry and Chemical Engineering, The Key Laboratory of Coordination Chemistry of Jiangxi Province, Humic Acid Utilization Engineering Research Center of Jiangxi Province, Jinggangshan University, Ji'An, Jiangxi, 343009, P.R. China
| | - He-Rui Wen
- School of Chemistry and Chemical Engineering, The Key Laboratory of Coordination Chemistry of Jiangxi Province, Humic Acid Utilization Engineering Research Center of Jiangxi Province, Jinggangshan University, Ji'An, Jiangxi, 343009, P.R. China
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34
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Wei ZH, Jiang ZT, Zhang XX, Li ML, Tang YY, Chen XG, Cai H, Xiong RG. Rational Design of Ceramic-Like Molecular Ferroelectric by Quasi-Spherical Theory. J Am Chem Soc 2020; 142:1995-2000. [DOI: 10.1021/jacs.9b11665] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Zhen-Hong Wei
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People’s Republic of China
| | - Zhen-Tao Jiang
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People’s Republic of China
| | - Xiu-Xiu Zhang
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People’s Republic of China
| | - Ming-Li Li
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People’s Republic of China
| | - Yuan-Yuan Tang
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People’s Republic of China
| | - Xiao-Gang Chen
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, People’s Republic of China
| | - Hu Cai
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People’s Republic of China
| | - Ren-Gen Xiong
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People’s Republic of China
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, People’s Republic of China
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35
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Dutta S, Vikas, Yadav A, Boomishankar R, Bala A, Kumar V, Chakraborty T, Elizabeth S, Munshi P. Record-high thermal stability achieved in a novel single-component all-organic ferroelectric crystal exhibiting polymorphism. Chem Commun (Camb) 2019; 55:9610-9613. [PMID: 31317974 DOI: 10.1039/c9cc04434e] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Traditionally, lead and heavy metal containing inorganic oxides dominate the area of ferroelectricity. Although, recently, lightweight non-toxic organic ferroelectrics have emerged as excellent alternatives, achieving higher temperature up to which the ferroelectric phase can persist has remained a challenge. Moreover, only a few of those are single-component molecular ferroelectrics and were discovered upon revisiting their crystal structures. Here we report a novel phenanthroimidazole derivative, which not only displays notable spontaneous and highly stable remnant polarizations with a low coercive field but also retains its ferroelectric phase up to a record-high temperature of ∼521 K. Subsequently, the crystal undergoes phase transition to form non-polar and centrosymmetric polymorphs, the first study of its kind in a single-component ferroelectric crystal. Moreover, the compound exhibits a significantly high thermal stability. Given the excellent figures-of-merit for ferroelectricity, this material is likely to find potential applications in microelectronic devices pertaining to non-volatile memory.
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Affiliation(s)
- Sanjay Dutta
- Chemical and Biological Crystallography Laboratory, Department of Chemistry, School of Natural Sciences, Shiv Nadar University, Dadri 201314, UP, India.
| | - Vikas
- Chemical and Biological Crystallography Laboratory, Department of Chemistry, School of Natural Sciences, Shiv Nadar University, Dadri 201314, UP, India.
| | - Ashok Yadav
- Department of Chemistry, Indian Institute of Science Education and Research, Pune, Dr Homi Bhabha Road, Pune 411008, India
| | - Ramamoorthy Boomishankar
- Department of Chemistry, Indian Institute of Science Education and Research, Pune, Dr Homi Bhabha Road, Pune 411008, India
| | - Anu Bala
- Centre for Informatics, School of Natural Sciences, Shiv Nadar University, Dadri 201314, Uttar Pradesh, India
| | - Vijay Kumar
- Centre for Informatics, School of Natural Sciences, Shiv Nadar University, Dadri 201314, Uttar Pradesh, India and Dr Vijay Kumar Foundation, 1969 Sector 4, Gurgaon 122001, Haryana, India
| | | | - Suja Elizabeth
- Department of Physics, Indian Institute of Science, Bangalore 560012, Karnataka, India
| | - Parthapratim Munshi
- Chemical and Biological Crystallography Laboratory, Department of Chemistry, School of Natural Sciences, Shiv Nadar University, Dadri 201314, UP, India.
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36
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Zhang ZX, Zhang T, Shi PP, Zhang WY, Ye Q, Fu DW. Anion-Regulated Molecular Rotor Crystal: The First Case of a Stator-Rotator Double Switch with Relaxation Behavior. J Phys Chem Lett 2019; 10:4237-4244. [PMID: 31295405 DOI: 10.1021/acs.jpclett.9b01503] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Molecular rotational motion is crucial in artificial molecular machines and is expected to be very significant for the development of an electronic information molecular machine as mentioned in the 2016 Nobel Prize. However, controlling multiple motor modes is a huge challenge. Here, we report a case in which the structural phase transition effectively triggers multiple motor modes by regulating the rotational speed of the cation and/or anion. A novel switchable crystalline supramolecular rotor, [(cyclohexylammonium)(18-crown-6)] FSO3 (1), exhibits prominent temperature-dependent double switching behavior at 157.9 and 389.1 K induced by the variation of the rotational speed of the FSO3- anion (which acts as a super miniature rotator) in response to temperature. Moreover, it exhibits significant relaxation behavior and excellent pyroelectric switch characteristics. To the best of our knowledge, this might be the first discovery of the stator-rotator double switch with a relaxation effect, which could be a promising candidate for a slow/fast responsive double switch over a wide temperature range.
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Affiliation(s)
- Zhi-Xu Zhang
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics , Southeast University , Nanjing 211189 , P. R. China
| | - Tie Zhang
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics , Southeast University , Nanjing 211189 , P. R. China
| | - Ping-Ping Shi
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics , Southeast University , Nanjing 211189 , P. R. China
| | - Wan-Ying Zhang
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics , Southeast University , Nanjing 211189 , P. R. China
| | - Qiong Ye
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics , Southeast University , Nanjing 211189 , P. R. China
| | - Da-Wei Fu
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics , Southeast University , Nanjing 211189 , P. R. China
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37
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Zhang HY, Tang YY, Shi PP, Xiong RG. Toward the Targeted Design of Molecular Ferroelectrics: Modifying Molecular Symmetries and Homochirality. Acc Chem Res 2019; 52:1928-1938. [PMID: 30986035 DOI: 10.1021/acs.accounts.8b00677] [Citation(s) in RCA: 182] [Impact Index Per Article: 36.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Although the first ferroelectric discovered in 1920 is Rochelle salt, a typical molecular ferroelectric, the front-runners that have been extensively studied and widely used in diverse applications, such as memory elements, capacitors, sensors, and actuators, are inorganic ferroelectrics with excellent electrical, mechanical, and optical properties. With the increased concerns about the environment, energy, and cost, molecular ferroelectrics are becoming promising supplements for inorganic ferroelectrics. The unique advantages of high structural tunability and homochirality, which are unavailable in their inorganic counterparts, make molecular systems a good platform for manipulating ferroelectricity. Remarkably, based on the Neumann's principle and the Curie symmetry principle defining the group-to-subgroup relationship, we have found some outstanding high-temperature molecular ferroelectrics, like diisopropylammonium bromide (DIPAB) with a large spontaneous polarization up to 23 μC/cm2 ( Fu, D. W.; et al. Science 2013 , 339 , 425 ). However, their application potential is severely limited by the uniaxial nature, leading to major issues in finding proper substrates for thin-film growth and achieving high thin-film performance. Inspired by the commercialized inorganic ferroelectrics like Pb(Zr, Ti)O3 (PZT), where the multiaxial nature contributes greatly to the optimized ferroelectric and piezoelectric performance, developing high-temperature multiaxial molecular ferroelectrics is an imminent task. In this Account, we review our recent research progress on the targeted design of multiaxial molecular ferroelectrics. We first propose the "quasi-spherical theory", a phenomenological theory based on the Curie symmetry principle, to modify the spherical cations to a low-symmetric quasi-spherical geometry for acquiring the highly symmetric paraelectric phase and the polar ferroelectric phase of multiaxial ferroelectrics simultaneously. Besides the sizes and weights of the cation and anion, the intermolecular interactions are particularly crucial for decelerating the molecular rotation at low temperature to reasonably induce ferroelectricity. It means that the momentums of the cation and anion should be matched, so we describe the "momentum matching theory". In particular, introducing homochirality, a superiority of molecular materials over the inorganic ones, was demonstrated as an effective approach to increase the incidence of ferroelectric crystal structures. Thanks to the striking chemical variability and structure-property flexibility of molecular materials, our research efforts outlined in this Account have led to and will further motivate the richness and the application exploration of high-temperature, high-performance multiaxial molecular ferroelectrics, along with the implementation and perfection of the targeted design strategies.
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Affiliation(s)
- Han-Yue Zhang
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, People’s Republic of China
| | - Yuan-Yuan Tang
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People’s Republic of China
| | - Ping-Ping Shi
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, People’s Republic of China
| | - Ren-Gen Xiong
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, People’s Republic of China
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People’s Republic of China
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38
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Sha TT, Xiong YA, Pan Q, Chen XG, Song XJ, Yao J, Miao SR, Jing ZY, Feng ZJ, You YM, Xiong RG. Fluorinated 2D Lead Iodide Perovskite Ferroelectrics. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2019; 31:e1901843. [PMID: 31169938 DOI: 10.1002/adma.201901843] [Citation(s) in RCA: 84] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2019] [Revised: 04/30/2019] [Indexed: 06/09/2023]
Abstract
Hybrid perovskite materials are famous for their great application potential in photovoltaics and optoelectronics. Among them, lead-iodide-based perovskites receive great attention because of their good optical absorption ability and excellent electrical transport properties. Although many believe the ferroelectric photovoltaic effect (FEPV) plays a crucial role for the high conversion efficiency, the ferroelectricity in CH3 NH3 PbI3 is still under debate, and obtaining ferroelectric lead iodide perovskites is still challenging. In order to avoid the randomness and blindness in the conventional method of searching for perovskite ferroelectrics, a design strategy of fluorine modification is developed. As a demonstration, a nonpolar lead iodide perovskite is modified and a new 2D fluorinated layered hybrid perovskite material of (4,4-difluorocyclohexylammonium)2 PbI4 , 1, is obtained, which possesses clear ferroelectricity with controllable spontaneous polarization. The direct bandgap of 2.38 eV with strong photoluminescence also guarantees the direct observation of polarization-induced FEPV. More importantly, the 2D structure and fluorination are also expected to achieve both good stability and charge transport properties. 1 is not only a 2D fluorinated lead iodide perovskite with confirmed ferroelectricity, but also a great platform for studying the effect of ferroelectricity and FEPV in the context of lead halide perovskite solar cells and other optoelectronic applications.
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Affiliation(s)
- Tai-Ting Sha
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing, 211189, P. R. China
| | - Yu-An Xiong
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing, 211189, P. R. China
| | - Qiang Pan
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing, 211189, P. R. China
| | - Xiao-Gang Chen
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing, 211189, P. R. China
| | - Xian-Jiang Song
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing, 211189, P. R. China
| | - Jie Yao
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing, 211189, P. R. China
| | - Shu-Rong Miao
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing, 211189, P. R. China
| | - Zheng-Yin Jing
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing, 211189, P. R. China
| | - Zi-Jie Feng
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing, 211189, P. R. China
| | - Yu-Meng You
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing, 211189, P. R. China
| | - Ren-Gen Xiong
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing, 211189, P. R. China
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39
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Harada J, Kawamura Y, Takahashi Y, Uemura Y, Hasegawa T, Taniguchi H, Maruyama K. Plastic/Ferroelectric Crystals with Easily Switchable Polarization: Low-Voltage Operation, Unprecedentedly High Pyroelectric Performance, and Large Piezoelectric Effect in Polycrystalline Forms. J Am Chem Soc 2019; 141:9349-9357. [PMID: 31184147 DOI: 10.1021/jacs.9b03369] [Citation(s) in RCA: 75] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Molecular ferroelectric crystals have attracted growing interest as potential alternatives to conventional lead-based ceramic ferroelectrics. We have recently discovered that a class of compounds known as plastic crystals can show multiaxial ferroelectricity, which allows ferroelectric performance even in polycrystalline forms. Here, we report new plastic/ferroelectric ionic molecular crystals that exhibit remarkably small coercive electric fields at room temperature. The easily switchable ferroelectric polarization enables low-voltage switching operations and high-frequency performance. Such ferroelectric crystals can be readily processed into bulk polycrystalline forms with desired shapes that are characterized by unprecedentedly high pyroelectric figures of merit and large piezoelectricity. These multifunctional molecular crystals represent highly attractive prospects for device elements with a diverse range of applications, which will significantly boost the development of molecular ferroelectric crystals.
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Affiliation(s)
| | | | | | - Yohei Uemura
- Department of Applied Physics , The University of Tokyo , Tokyo 113-8656 , Japan
| | - Tatsuo Hasegawa
- Department of Applied Physics , The University of Tokyo , Tokyo 113-8656 , Japan
| | - Hiroki Taniguchi
- Department of Physics , Nagoya University , Nagoya 464-8602 , Japan
| | - Koji Maruyama
- Department of Physics , Nagoya University , Nagoya 464-8602 , Japan
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40
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Wang S, Liu X, Li L, Ji C, Sun Z, Wu Z, Hong M, Luo J. An Unprecedented Biaxial Trilayered Hybrid Perovskite Ferroelectric with Directionally Tunable Photovoltaic Effects. J Am Chem Soc 2019; 141:7693-7697. [DOI: 10.1021/jacs.9b02558] [Citation(s) in RCA: 113] [Impact Index Per Article: 22.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Sasa Wang
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xitao Liu
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
| | - Lina Li
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
| | - Chengmin Ji
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
| | - Zhihua Sun
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
| | - Zhenyue Wu
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Maochun Hong
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
| | - Junhua Luo
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
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41
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Hussain N, Zhang MH, Zhang Q, Zhou Z, Xu X, Murtaza M, Zhang R, Wei H, Ou G, Wang D, Wang K, Li JF, Wu H. Large Piezoelectric Strain in Sub-10 Nanometer Two-Dimensional Polyvinylidene Fluoride Nanoflakes. ACS NANO 2019; 13:4496-4506. [PMID: 30883093 DOI: 10.1021/acsnano.9b00104] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Functional polymers such as polyvinylidene fluoride (PVDF) and its copolymers, which exhibit room-temperature piezoelectricity and ferroelectricity in two-dimensional (2D) limit, are promising candidates to substitute hazardous lead-based piezoceramics for flexible nanoelectronic and electromechanical energy-harvesting applications. However, realization of many polymers including PVDF in ultrathin 2D nanostructures with desired crystal phases and tunable properties remains challenging due to ineffective conventional synthesis methods. Consequently, it has remained elusive to obtain optimized piezoelectric performance of PVDF particularly in sub-10 nm regimes. Taking advantage of its high flexibility and easy processing, we fabricate ultrathin PVDF nanoflakes with thicknesses down to 7 nm by using a hot-pressing method. This thermo-mechanical strategy simultaneously induces robust thermodynamic α to electroactive β-phase transformation, with β fraction as high as 92.8% in sub-10 nm flakes. Subsequently, piezoelectric studies performed by using piezoresponse force microscopy reveal an excellent piezoelectric strain of 0.7% in 7 nm film and the highest piezoelectric coefficient ( d33) achieved is -68 pm/V for 50 nm-thick nanoflakes, which is 13% higher than the piezoresponse from 50 nm-thick PZT nanofilms. Our results further suggest thickness modulation as an effective strategy to tune the piezoelectric performance of PVDF and affirm its supremacy over conventional piezoceramics especially at nanoscale. This work aims not only to help understand fundamental piezoelectricity of pure PVDF in sub-10 nm regimes but also provides an opportunity to realize other polymer-based 2D nanocrystals.
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Affiliation(s)
- Naveed Hussain
- State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering , Tsinghua University , Beijing 100084 , China
| | - Mao-Hua Zhang
- State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering , Tsinghua University , Beijing 100084 , China
| | - Qingyun Zhang
- State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering , Tsinghua University , Beijing 100084 , China
| | - Zhen Zhou
- State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering , Tsinghua University , Beijing 100084 , China
| | - Xingyu Xu
- State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering , Tsinghua University , Beijing 100084 , China
| | - Muhammad Murtaza
- State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering , Tsinghua University , Beijing 100084 , China
| | - Ruoyu Zhang
- State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering , Tsinghua University , Beijing 100084 , China
| | - Hehe Wei
- State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering , Tsinghua University , Beijing 100084 , China
| | - Gang Ou
- State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering , Tsinghua University , Beijing 100084 , China
| | - Dong Wang
- State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering , Tsinghua University , Beijing 100084 , China
| | - Ke Wang
- State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering , Tsinghua University , Beijing 100084 , China
| | - Jing-Feng Li
- State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering , Tsinghua University , Beijing 100084 , China
| | - Hui Wu
- State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering , Tsinghua University , Beijing 100084 , China
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42
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Zhao MM, Zhou L, Shi PP, Zheng X, Chen XG, Gao JX, He L, Ye Q, Liu CM, Fu DW. 3D Organic-Inorganic Perovskite Ferroelastic Materials with Two Ferroelastic Phases: [Et 3 P(CH 2 ) 2 F][Mn(dca) 3 ] and [Et 3 P(CH 2 ) 2 Cl][Mn(dca) 3 ]. Chemistry 2019; 25:6447-6454. [PMID: 30968482 DOI: 10.1002/chem.201900771] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Revised: 02/26/2019] [Indexed: 11/05/2022]
Abstract
Organic-inorganic hybrid perovskite-type multiferroics have attracted considerable research interest owing to their fundamental scientific significance and promising technological applications in sensors and multiple-state memories. The recent achievements with divalent metal dicyanamide compounds revealed such malleable frameworks as a unique platform for developing novel functional materials. Herein, two 3D organic-inorganic hybrid perovskites [Et3 P(CH2 )2 F][Mn(dca)3 ] (1) and [Et3 P(CH2 )2 Cl][Mn(dca)3 ] (2) (dca=dicyanamide, N(CN)2 - ) are presented. Accompanying the sequential phase transitions, they display a broad range of intriguing physical properties, including above room temperature ferroelastic behavior, switchable dielectricity, and low-temperature antiferromagnetic ordering (Tc =2.4 K for both 1 and 2). It is also worth noting that the spontaneous strain value of 1 is far beyond that of 2 in the first ferroelastic phase, as a result of the precise halogen substitution. From the point view of molecular design, this work should inspire further exploration of multifunctional molecular materials with desirable properties.
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Affiliation(s)
- Meng-Meng Zhao
- Ordered Matter Science Research Center, Jiangsu Key Laboratory for Science and Applications of Molecular, Ferroelectrics, Southeast University, Nanjing, 211189, P. R. China
| | - Lin Zhou
- Ordered Matter Science Research Center, Jiangsu Key Laboratory for Science and Applications of Molecular, Ferroelectrics, Southeast University, Nanjing, 211189, P. R. China
| | - Ping-Ping Shi
- Ordered Matter Science Research Center, Jiangsu Key Laboratory for Science and Applications of Molecular, Ferroelectrics, Southeast University, Nanjing, 211189, P. R. China
| | - Xuan Zheng
- Ordered Matter Science Research Center, Jiangsu Key Laboratory for Science and Applications of Molecular, Ferroelectrics, Southeast University, Nanjing, 211189, P. R. China
| | - Xiao-Gang Chen
- Ordered Matter Science Research Center, Jiangsu Key Laboratory for Science and Applications of Molecular, Ferroelectrics, Southeast University, Nanjing, 211189, P. R. China
| | - Ji-Xing Gao
- Ordered Matter Science Research Center, Jiangsu Key Laboratory for Science and Applications of Molecular, Ferroelectrics, Southeast University, Nanjing, 211189, P. R. China
| | - Lei He
- Ordered Matter Science Research Center, Jiangsu Key Laboratory for Science and Applications of Molecular, Ferroelectrics, Southeast University, Nanjing, 211189, P. R. China
| | - Qiong Ye
- Ordered Matter Science Research Center, Jiangsu Key Laboratory for Science and Applications of Molecular, Ferroelectrics, Southeast University, Nanjing, 211189, P. R. China
| | - Cai-Ming Liu
- Beijing National Laboratory for Molecular Sciences, Center for Molecular Science, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Da-Wei Fu
- Ordered Matter Science Research Center, Jiangsu Key Laboratory for Science and Applications of Molecular, Ferroelectrics, Southeast University, Nanjing, 211189, P. R. China
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43
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Xu L, Gao J, Chen X, Hua X, Wu D, Liao W. Unprecedented Dielectric Bistable Switching in a Binuclear Hg
II
Based Hybrid Compound. Eur J Inorg Chem 2019. [DOI: 10.1002/ejic.201801293] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Li Xu
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics College of Chemistry and Chemical Engineering Southeast University 211189 Nanjing PR China
| | - Ji‐Xing Gao
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics College of Chemistry and Chemical Engineering Southeast University 211189 Nanjing PR China
| | - Xiao‐Gang Chen
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics College of Chemistry and Chemical Engineering Southeast University 211189 Nanjing PR China
| | - Xiu‐Ni Hua
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics College of Chemistry and Chemical Engineering Southeast University 211189 Nanjing PR China
| | - De‐Hong Wu
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics College of Chemistry and Chemical Engineering Southeast University 211189 Nanjing PR China
| | - Wei‐Qiang Liao
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics College of Chemistry and Chemical Engineering Southeast University 211189 Nanjing PR China
- Ordered Matter Science Research Center College of Chemistry Nanchang University 330031 Nanchang P. R. China
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44
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Yang CK, Chen WN, Ding YT, Wang J, Rao Y, Liao WQ, Xie Y, Zou W, Xiong RG. Directional Intermolecular Interactions for Precise Molecular Design of a High-Tc Multiaxial Molecular Ferroelectric. J Am Chem Soc 2019; 141:1781-1787. [DOI: 10.1021/jacs.8b13223] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Chen-Kai Yang
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People’s Republic of China
| | - Wang-Nan Chen
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People’s Republic of China
| | - Yan-Ting Ding
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People’s Republic of China
| | - Jing Wang
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People’s Republic of China
| | - Yin Rao
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People’s Republic of China
| | - Wei-Qiang Liao
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People’s Republic of China
| | - Yongfa Xie
- College of Chemistry, Nanchang University, Nanchang 330031, People’s Republic of China
| | - Wennan Zou
- Institute for Advanced Study, Nanchang University, Nanchang 330031, People’s Republic of China
| | - Ren-Gen Xiong
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People’s Republic of China
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, People’s Republic of China
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45
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Chen SP, Wang CF, Zhou HT, Tan YH, Wen HR, Tang YZ. Symmetry breaking and switchable thermal dielectric behaviors triggered by order-disorder phase transition in a neutral co-crystallized organic adduct. Chem Phys Lett 2019. [DOI: 10.1016/j.cplett.2018.11.017] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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46
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Zafar Z, Zafar A, Wang WH, Liu MY, Ni ZH, You YM. Nonvolatile Memory Based on Molecular Ferroelectric/Graphene Field Effect Transistor. ACS APPLIED MATERIALS & INTERFACES 2018; 10:39187-39193. [PMID: 30295018 DOI: 10.1021/acsami.8b12768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Ferroelectric thin films are extensively attractive as next-generation nonvolatile memories. Recently, molecular ferroelectrics (MFe), as an emerging new class, have been a new research focus because of their desirable characteristics such as good solution processability, tunable chemical properties, and bio-friendly compositions. However, traditional uniaxial MFe only possess one polar axis which greatly limits their application, as it requires restricted orientational control in single crystal. To achieve macroscopic ferroelectricity and thus fully realize technological advantages of MFe, development of multiaxes is imperative to maximize effective polarization in specific crystallographic orientations. Herein, we present an early exploration on polycrystalline multiaxial MFe thin films of [Hdabco][ReO4] with a two-dimensional graphene hybrid nonvolatile memory device. The polarization switching of MFe is experimentally realized by the nonvolatile modulation of two current states in graphene. Such a hybrid device can exhibit large memory window ∼35 V implying its great potential in memory applications. Hence, by taking the advantages of multiple polarization axes of MFe, the low cost and large area MFe/graphene hybrid memory manifests new possibilities for the integration of these materials as flexible next generation memory devices.
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Affiliation(s)
- Zainab Zafar
- Ordered Matter Science Research Center , Southeast University , Nanjing 211189 , P. R. China
| | - Amina Zafar
- School of Physics , Southeast University , Nanjing 211189 , China
| | - Wen-Hui Wang
- School of Physics , Southeast University , Nanjing 211189 , China
| | - Mei-Ying Liu
- Ordered Matter Science Research Center , Southeast University , Nanjing 211189 , P. R. China
| | - Zhen-Hua Ni
- School of Physics , Southeast University , Nanjing 211189 , China
| | - Yu-Meng You
- Ordered Matter Science Research Center , Southeast University , Nanjing 211189 , P. R. China
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47
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Hua XN, Liao WQ, Tang YY, Li PF, Shi PP, Zhao D, Xiong RG. A Room-Temperature Hybrid Lead Iodide Perovskite Ferroelectric. J Am Chem Soc 2018; 140:12296-12302. [DOI: 10.1021/jacs.8b08286] [Citation(s) in RCA: 120] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Xiu-Ni Hua
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, People’s Republic of China
| | - Wei-Qiang Liao
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People’s Republic of China
| | - Yuan-Yuan Tang
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People’s Republic of China
| | - Peng-Fei Li
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People’s Republic of China
| | - Ping-Ping Shi
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, People’s Republic of China
| | - Dewei Zhao
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People’s Republic of China
| | - Ren-Gen Xiong
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, People’s Republic of China
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People’s Republic of China
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48
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Ye HY, Tang YY, Li PF, Liao WQ, Gao JX, Hua XN, Cai H, Shi PP, You YM, Xiong RG. Metal-free three-dimensional perovskite ferroelectrics. Science 2018; 361:151-155. [PMID: 30002249 DOI: 10.1126/science.aas9330] [Citation(s) in RCA: 370] [Impact Index Per Article: 61.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2018] [Accepted: 06/06/2018] [Indexed: 01/17/2023]
Abstract
Inorganic perovskite ferroelectrics are widely used in nonvolatile memory elements, capacitors, and sensors because of their excellent ferroelectric and other properties. Organic ferroelectrics are desirable for their mechanical flexibility, low weight, environmentally friendly processing, and low processing temperatures. Although almost a century has passed since the first ferroelectric, Rochelle salt, was discovered, examples of highly desirable organic perovskite ferroelectrics are lacking. We found a family of metal-free organic perovskite ferroelectrics with the characteristic three-dimensional structure, among which MDABCO (N-methyl-N'-diazabicyclo[2.2.2]octonium)-ammonium triiodide has a spontaneous polarization of 22 microcoulombs per square centimeter [close to that of barium titanate (BTO)], a high phase transition temperature of 448 kelvins (above that of BTO), and eight possible polarization directions. These attributes make it attractive for use in flexible devices, soft robotics, biomedical devices, and other applications.
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Affiliation(s)
- Heng-Yun Ye
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, P.R. China
| | - Yuan-Yuan Tang
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, P.R. China
| | - Peng-Fei Li
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, P.R. China
| | - Wei-Qiang Liao
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, P.R. China.,Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, P.R. China
| | - Ji-Xing Gao
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, P.R. China
| | - Xiu-Ni Hua
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, P.R. China
| | - Hu Cai
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, P.R. China
| | - Ping-Ping Shi
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, P.R. China.,Institute for Advanced Interdisciplinary Research, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, P.R. China
| | - Yu-Meng You
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, P.R. China.
| | - Ren-Gen Xiong
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, P.R. China. .,Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, P.R. China
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49
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A Molecular Ferroelectric Showing Room-Temperature Record-Fast Switching of Spontaneous Polarization. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201805776] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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50
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Sun Z, Yi X, Tao K, Ji C, Liu X, Li L, Han S, Zheng A, Hong M, Luo J. A Molecular Ferroelectric Showing Room-Temperature Record-Fast Switching of Spontaneous Polarization. Angew Chem Int Ed Engl 2018; 57:9833-9837. [DOI: 10.1002/anie.201805776] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2018] [Indexed: 01/04/2023]
Affiliation(s)
- Zhihua Sun
- State Key Laboratory of Structural Chemistry; Fujian Institute of Research on the Structure of Matter; Chinese Academy of Sciences; Fuzhou Fujian 350002 China
| | - Xianfeng Yi
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics; National Center for Magnetic Resonance in Wuhan; Wuhan Institute of Physics and Mathematics; Chinese Academy of Sciences; Wuhan 430071 China
| | - Kewen Tao
- State Key Laboratory of Structural Chemistry; Fujian Institute of Research on the Structure of Matter; Chinese Academy of Sciences; Fuzhou Fujian 350002 China
| | - Chengmin Ji
- State Key Laboratory of Structural Chemistry; Fujian Institute of Research on the Structure of Matter; Chinese Academy of Sciences; Fuzhou Fujian 350002 China
| | - Xitao Liu
- State Key Laboratory of Structural Chemistry; Fujian Institute of Research on the Structure of Matter; Chinese Academy of Sciences; Fuzhou Fujian 350002 China
| | - Lina Li
- State Key Laboratory of Structural Chemistry; Fujian Institute of Research on the Structure of Matter; Chinese Academy of Sciences; Fuzhou Fujian 350002 China
| | - Shiguo Han
- State Key Laboratory of Structural Chemistry; Fujian Institute of Research on the Structure of Matter; Chinese Academy of Sciences; Fuzhou Fujian 350002 China
| | - Anmin Zheng
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics; National Center for Magnetic Resonance in Wuhan; Wuhan Institute of Physics and Mathematics; Chinese Academy of Sciences; Wuhan 430071 China
| | - Maochun Hong
- State Key Laboratory of Structural Chemistry; Fujian Institute of Research on the Structure of Matter; Chinese Academy of Sciences; Fuzhou Fujian 350002 China
| | - Junhua Luo
- State Key Laboratory of Structural Chemistry; Fujian Institute of Research on the Structure of Matter; Chinese Academy of Sciences; Fuzhou Fujian 350002 China
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