1
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Li B, Lv M, Zhang Y, Gong X, Lou Z, Wang Z, Liu Y, Wang P, Cheng H, Dai Y, Huang B, Zheng Z. Single-Particle Imaging Photoinduced Charge Transfer of Ferroelectric Polarized Heterostructures for Photocatalysis. ACS NANO 2024; 18:25522-25534. [PMID: 39228064 DOI: 10.1021/acsnano.4c05351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/05/2024]
Abstract
Piezoelectric-assisted photocatalysis has a huge potential in solving the energy shortage and environmental pollution problems, and imaging their detailed charge-transfer process can provide in-depth understanding for the development of high-active piezo-photocatalysts; however, it is still challenging. Herein, topotactic heterostructures of TiO2@BaTiO3 (TO@BTO-S) were constructed by the epitaxial growth of ferroelectric BaTiO3 mesocrystals on TiO2-{001} facets, resulting in a ferroelectric photocatalyst with a polarization orientation on the surface. Notably, the photoinduced charge transfer in ferroelectric TiO2@BaTiO3 was accurately monitored and directly visualized at the single-particle level by the advanced photoluminescence (PL) imaging microscopy systems. The longer PL lifetime of TO@BTO-S demonstrated the efficient charge separation caused by a built-in electric field, which is constructed by the polarization orientation of BaTiO3 mesocrystals. Therefore, the TO@BTO-S heterostructure exhibits efficient piezoelectric-assisted photocatalytic pure water splitting, which is 290 times higher than photocatalysis. This work revealed time/spatial-resolved photoinduced charge transfer in piezoelectric assistance photocatalysts at the single-particle level and demonstrated the great role of polarization orientation in promoting charge transfer for photocatalysis.
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Affiliation(s)
- Bei Li
- State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China
| | - Min Lv
- State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China
| | - Yujia Zhang
- State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China
| | - Xueqin Gong
- State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China
| | - Zaizhu Lou
- Guangdong Provincial Key Laboratory of Nanophotonic Manipulation, Institute of Nanophotonics, College of Physics & Optoelectronic Engineering, Jinan University, Guangzhou 511443, China
| | - Zeyan Wang
- State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China
| | - Yuanyuan Liu
- State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China
| | - Peng Wang
- State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China
| | - Hefeng Cheng
- State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China
| | - Ying Dai
- School of Physics, Shandong University, Jinan 250100, China
| | - Baibiao Huang
- State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China
| | - Zhaoke Zheng
- State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China
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2
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Li J, Peng Y, Wang P, Wang C, Zhang J, Xiang T, Yao S, Zhang D. Enhancing the Output Performance of Triboelectric Nanogenerator Through Regulation of its Internal Nano-Architecture. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2400041. [PMID: 38497487 DOI: 10.1002/smll.202400041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Revised: 03/10/2024] [Indexed: 03/19/2024]
Abstract
Triboelectric Nanogenerator (TENG) has proven highly effective in converting mechanical energy into electrical energy. Previous research on manipulating microstructure for performance enhancement primarily focused on the surface of TENGs. In this study, an innovative bottom-up strategic design to control the internal nano-architecture for the enhanced output of TENG is proposed. This multiscale structural design strategy consists of defect chemistry (angstrom-scale), surface modification (nano-scale), and spatial regulation of nanoparticles (meso-scale), which helps explore the optimal utilization of TENG's internal structure. After fine-tuning the nano-architecture, the output voltage is significantly increased. This optimized TENG serves as a robust platform for developing self-powered systems, including self-powered electrochemical chlorination systems for sterilization. Additionally, through the utilization of multiscale simulations (density functional theory, all-atom molecular dynamics, and dissipative particle dynamics), the underlying mechanisms governing how the optimized nanoparticle-polymer interface and spatial arrangement of nanoparticles influence the storage and transfer of charges are comprehensively elucidated. This study not only demonstrates the effectiveness of manipulating internal nano-architecture to enhance TENG performance for practical applications but also provides invaluable insights into structural engineering for TENG advancement.
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Affiliation(s)
- Jiawei Li
- Key Laboratory of Marine Environmental Corrosion and Bio-fouling Institute of Oceanology, Chinese Academy of Sciences, Qingdao, 266071, China
| | - Yating Peng
- Key Laboratory of Marine Environmental Corrosion and Bio-fouling Institute of Oceanology, Chinese Academy of Sciences, Qingdao, 266071, China
- University of Chinese Academy of Science, Beijing, 100049, China
| | - Peng Wang
- Key Laboratory of Marine Environmental Corrosion and Bio-fouling Institute of Oceanology, Chinese Academy of Sciences, Qingdao, 266071, China
- University of Chinese Academy of Science, Beijing, 100049, China
| | - Congyu Wang
- Key Laboratory of Marine Environmental Corrosion and Bio-fouling Institute of Oceanology, Chinese Academy of Sciences, Qingdao, 266071, China
- University of Chinese Academy of Science, Beijing, 100049, China
| | - Jun Zhang
- School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao, 266580, China
| | - Tengfei Xiang
- School of Architectural and Civil Engineering, Anhui University of Technology, Ma'anshan, 243002, China
| | - Shengxun Yao
- Institute of Marine Corrosion Protection Guangxi Key Laboratory of Marine Environmental Science Guangxi Academy of Marine Sciences, Guangxi Academy of Sciences, Nanning, 530007, China
| | - Dun Zhang
- Key Laboratory of Marine Environmental Corrosion and Bio-fouling Institute of Oceanology, Chinese Academy of Sciences, Qingdao, 266071, China
- University of Chinese Academy of Science, Beijing, 100049, China
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3
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Muraleedharan AK, Co K, Vallet M, Zaki A, Karolak F, Bogicevic C, Perronet K, Dkhil B, Paillard C, Fiorini-Debuisschert C, Treussart F. Ferroelectric Texture of Individual Barium Titanate Nanocrystals. ACS NANO 2024; 18:18355-18367. [PMID: 38952163 DOI: 10.1021/acsnano.4c02291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/03/2024]
Abstract
Ferroelectric materials display exotic polarization textures at the nanoscale that could be used to improve the energetic efficiency of electronic components. The vast majority of studies were conducted in two dimensions on thin films that can be further nanostructured, but very few studies address the situation of individual isolated nanocrystals (NCs) synthesized in solution, while such structures could have other fields of applications. In this work, we experimentally and theoretically studied the polarization texture of ferroelectric barium titanate (BaTiO3, BTO) NCs attached to a conductive substrate and surrounded by air. We synthesized NCs of well-defined quasicubic shape and 160 nm average size that conserve the tetragonal structure of BTO at room temperature. We then investigated the inverse piezoelectric properties of such pristine individual NCs by vector piezoresponse force microscopy (PFM), taking particular care to suppress electrostatic artifacts. In all of the NCs studied, we could not detect any vertical PFM signal, and the maps of the lateral response all displayed larger displacement amplitude on the edges with deformations converging toward the center. Using field phase simulations dedicated to ferroelectric nanostructures, we were able to predict the equilibrium polarization texture. These simulations revealed that the NC core is composed of 180° up and down domains defining the polar axis that rotate by 90° in the two facets orthogonal to this axis, eventually lying within these planes forming a layer of about 10 nm thickness mainly composed of 180° domains along an edge. From this polarization distribution, we predicted the lateral PFM response, which was revealed to be in very good qualitative agreement with the experimental observations. This work positions PFM as a relevant tool to evaluate the potential of complex ferroelectric nanostructures to be used as sensors.
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Affiliation(s)
- Athulya K Muraleedharan
- Université Paris-Saclay, ENS Paris-Saclay, CNRS, CentraleSupélec, LuMIn, 91190 Gif-sur-Yvette, France
| | - Kevin Co
- Université Paris-Saclay, CentraleSupélec, CNRS, Laboratoire SPMS, 91190 Gif-sur-Yvette, France
| | - Maxime Vallet
- Université Paris-Saclay, CentraleSupélec, CNRS, Laboratoire SPMS, 91190 Gif-sur-Yvette, France
| | - Abdelali Zaki
- Université Paris-Saclay, CentraleSupélec, CNRS, Laboratoire SPMS, 91190 Gif-sur-Yvette, France
| | - Fabienne Karolak
- Université Paris-Saclay, CentraleSupélec, CNRS, Laboratoire SPMS, 91190 Gif-sur-Yvette, France
| | - Christine Bogicevic
- Université Paris-Saclay, CentraleSupélec, CNRS, Laboratoire SPMS, 91190 Gif-sur-Yvette, France
| | - Karen Perronet
- Université Paris-Saclay, ENS Paris-Saclay, CNRS, CentraleSupélec, LuMIn, 91190 Gif-sur-Yvette, France
| | - Brahim Dkhil
- Université Paris-Saclay, CentraleSupélec, CNRS, Laboratoire SPMS, 91190 Gif-sur-Yvette, France
| | - Charles Paillard
- Université Paris-Saclay, CentraleSupélec, CNRS, Laboratoire SPMS, 91190 Gif-sur-Yvette, France
- Smart Ferroic Materials Center, Institute for Nanoscience & Engineering and Department of Physics, University of Arkansas, Fayetteville, 72701 Arkansas, United States
| | | | - François Treussart
- Université Paris-Saclay, ENS Paris-Saclay, CNRS, CentraleSupélec, LuMIn, 91190 Gif-sur-Yvette, France
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Zhang P, Dang F, Zhang X, Nan CW, Li BW. Fully Printed Multilayer Ceramic Capacitors Based on High-k Perovskite Nanosheets. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2404581. [PMID: 38989685 DOI: 10.1002/smll.202404581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2024] [Revised: 07/02/2024] [Indexed: 07/12/2024]
Abstract
Printing technology enables the integration of chemically exfoliated perovskite nanosheets into high-performance microcapacitors. Theoretically, the capacitance value can be further enhanced by designing and constructing multilayer structures without increasing the device size. Yet, issues such as interlayer penetration in multilayer heterojunctions constructed using inkjet printing technology further limit the realization of this potential. Herein, a series of multilayer configurations, including Ag/(Ca2NaNb4O13/Ag)n and graphene/(Ca2NaNb4O13/graphene)n (n = 1-3), are successfully inkjet-printed onto diverse rigid and flexible substrates through optimized ink formulations, inkjet printing parameters, thermal treatment conditions, and rational multilayer structural design using high-k perovskite nanosheets, graphene nanosheets and silver. The dielectric performance is optimized by fine-tuning the number of dielectric layers and modifying the electrode/dielectric interface. As a result, the graphene/(Ca2NaNb4O13/graphene)3 multilayer ceramic capacitors exhibit a remarkable capacitance density of 346 ± 12 nF cm-2 and a high dielectric constant of 193 ± 18. Additionally, these devices demonstrate moderate insulation properties, flexibility, thermal stability, and chemical sensitivity. This work shed light on the potential of multilayer structural design in additive manufacturing of high-performance 2D material-based ceramic capacitors.
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Affiliation(s)
- Pengxiang Zhang
- State Key Laboratory of Silicate Materials for Architectures, School of Materials Science and Engineering, Wuhan University of Technology, Wuhan, 430070, China
| | - Feng Dang
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), Shandong University, 17923 Jingshi Road, Jinan, 250061, China
| | - Xin Zhang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Center of Smart Materials and Devices, Wuhan University of Technology, Wuhan, 430070, China
| | - Ce-Wen Nan
- State Key Lab of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, China
| | - Bao-Wen Li
- State Key Laboratory of Silicate Materials for Architectures, School of Materials Science and Engineering, Wuhan University of Technology, Wuhan, 430070, China
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Center of Smart Materials and Devices, Wuhan University of Technology, Wuhan, 430070, China
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5
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Chang PJ, Chen MS, Cheng CH, Chiou YJ, Chen CY, Su CY, Lin CK. Effects of Calcination Temperature on the Synthesis of One-Pot Sol-Gelled Barium Titanate Powder and Its Performance as an Endodontic Radiopacifier. MATERIALS (BASEL, SWITZERLAND) 2024; 17:2701. [PMID: 38893964 PMCID: PMC11173394 DOI: 10.3390/ma17112701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2024] [Revised: 05/26/2024] [Accepted: 05/28/2024] [Indexed: 06/21/2024]
Abstract
Barium titanate (BaTiO3, BTO), conventionally used for dielectric and ferroelectric applications, has been assessed for biomedical applications, such as its utilization as a radiopacifier in mineral trioxide aggregates (MTA) for endodontic treatment. In the present study, BTO powders were prepared using the sol-gel process, followed by calcination at 400-1100 °C. The X-ray diffraction technique was then used to examine the as-prepared powders to elucidate the effect of calcination on the phase composition and crystalline size of BTO. Calcined BTO powders were then used as radiopacifiers for MTA. MTA-like cements were investigated to determine the optimal calcination temperature based on the radiopacity and diametral tensile strength (DTS). The experimental results showed that the formation of BTO phase was observed after calcination at temperatures of 600 °C and above. The calcined powders were a mixture of BaTiO3 phase with residual BaCO3 and/or Ba2TiO4 phases. The performance of MTA-like cements with BTO addition increased with increasing calcination temperature up to 1000 °C. The radiopacity, however, decreased after 7 days of simulated oral environmental storage, whereas an increase in DTS was observed. Optimal MTA-like cement was obtained by adding 40 wt.% 1000 °C-calcined BTO powder, with its resulting radiopacity and DTS at 4.83 ± 0.61 mmAl and 2.86 ± 0.33 MPa, respectively. After 7 days, the radiopacity decreased slightly to 4.69 ± 0.51 mmAl, accompanied by an increase in DTS to 3.13 ± 0.70 MPa. The optimal cement was biocompatible and verified using MG 63 and L929 cell lines, which exhibited cell viability higher than 95%.
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Affiliation(s)
- Pei-Jung Chang
- Graduate Institute of Manufacturing Technology, National Taipei University of Technology, Taipei 106, Taiwan;
- Research Center of Digital Oral Science and Technology, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan; (M.-S.C.); (Y.-J.C.); (C.-Y.C.)
| | - May-Show Chen
- Research Center of Digital Oral Science and Technology, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan; (M.-S.C.); (Y.-J.C.); (C.-Y.C.)
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan
- Division of Prosthodontics, Department of Dentistry, Taipei Medical University Hospital, Taipei 110, Taiwan
| | - Chi-Han Cheng
- School of Dental Technology, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan;
| | - Yuh-Jing Chiou
- Research Center of Digital Oral Science and Technology, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan; (M.-S.C.); (Y.-J.C.); (C.-Y.C.)
- Department of Chemical Engineering and Biotechnology, Tatung University, Taipei 104, Taiwan
| | - Chin-Yi Chen
- Research Center of Digital Oral Science and Technology, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan; (M.-S.C.); (Y.-J.C.); (C.-Y.C.)
- Department of Materials Science and Engineering, Feng Chia University, Taichung 407, Taiwan
| | - Cherng-Yuh Su
- Graduate Institute of Manufacturing Technology, National Taipei University of Technology, Taipei 106, Taiwan;
- Research Center of Digital Oral Science and Technology, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan; (M.-S.C.); (Y.-J.C.); (C.-Y.C.)
- Department of Mechanical Engineering, National Taipei University of Technology, Taipei 106, Taiwan
| | - Chung-Kwei Lin
- Research Center of Digital Oral Science and Technology, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan; (M.-S.C.); (Y.-J.C.); (C.-Y.C.)
- School of Dental Technology, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan;
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6
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Xiao C, Wang R, Fu R, Yu P, Guo J, Li G, Wang Z, Wang H, Nie J, Liu W, Zhai J, Li C, Deng C, Chen D, Zhou L, Ning C. Piezo-enhanced near infrared photocatalytic nanoheterojunction integrated injectable biopolymer hydrogel for anti-osteosarcoma and osteogenesis combination therapy. Bioact Mater 2024; 34:381-400. [PMID: 38269309 PMCID: PMC10806218 DOI: 10.1016/j.bioactmat.2024.01.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Revised: 01/03/2024] [Accepted: 01/03/2024] [Indexed: 01/26/2024] Open
Abstract
Preventing local tumor recurrence while promoting bone tissue regeneration is an urgent need for osteosarcoma treatment. However, the therapeutic efficacy of traditional photosensitizers is limited, and they lack the ability to regenerate bone. Here, a piezo-photo nanoheterostructure is developed based on ultrasmall bismuth/strontium titanate nanocubes (denoted as Bi/SrTiO3), which achieve piezoelectric field-driven fast charge separation coupling with surface plasmon resonance to efficiently generate reactive oxygen species. These hybrid nanotherapeutics are integrated into injectable biopolymer hydrogels, which exhibit outstanding anticancer effects under the combined irradiation of NIR and ultrasound. In vivo studies using patient-derived xenograft models and tibial osteosarcoma models demonstrate that the hydrogels achieve tumor suppression with efficacy rates of 98.6 % and 67.6 % in the respective models. Furthermore, the hydrogel had good filling and retention capabilities in the bone defect region, which exerted bone repair therapeutic efficacy by polarizing and conveying electrical stimuli to the cells under mild ultrasound radiation. This study provides a comprehensive and clinically feasible strategy for the overall treatment and tissue regeneration of osteosarcoma.
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Affiliation(s)
- Cairong Xiao
- School of Materials Science and Engineering, National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510641, China
| | - Renxian Wang
- Laboratory of Bone Tissue Engineering, Beijing Laboratory of Biomedical Materials, National Center for Orthopaedics, Beijing Research Institute of Traumatology and Orthopaedics, Beijing Jishuitan Hospital, Beijing, 100035, China
- JST Sarcopenia Research Centre, Beijing Research Institute of Traumatology and Orthopaedics, Beijing Jishuitan Hospital, Beijing, 100035, China
| | - Rumin Fu
- School of Materials Science and Engineering, National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510641, China
| | - Peng Yu
- School of Materials Science and Engineering, National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510641, China
| | - Jianxun Guo
- Laboratory of Bone Tissue Engineering, Beijing Laboratory of Biomedical Materials, National Center for Orthopaedics, Beijing Research Institute of Traumatology and Orthopaedics, Beijing Jishuitan Hospital, Beijing, 100035, China
| | - Guangping Li
- Laboratory of Bone Tissue Engineering, Beijing Laboratory of Biomedical Materials, National Center for Orthopaedics, Beijing Research Institute of Traumatology and Orthopaedics, Beijing Jishuitan Hospital, Beijing, 100035, China
| | - Zhengao Wang
- School of Materials Science and Engineering, National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510641, China
| | - Honggang Wang
- Laboratory of Bone Tissue Engineering, Beijing Laboratory of Biomedical Materials, National Center for Orthopaedics, Beijing Research Institute of Traumatology and Orthopaedics, Beijing Jishuitan Hospital, Beijing, 100035, China
| | - Jingjun Nie
- Laboratory of Bone Tissue Engineering, Beijing Laboratory of Biomedical Materials, National Center for Orthopaedics, Beijing Research Institute of Traumatology and Orthopaedics, Beijing Jishuitan Hospital, Beijing, 100035, China
| | - Weifeng Liu
- Department of Orthopaedic Oncology Surgery, Beijing Jishuitan Hospital, Peking University, Beijing, 100035, China
| | - Jinxia Zhai
- School of Materials Science and Engineering, National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510641, China
| | - Changhao Li
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University and Guangdong Key Laboratory of Stomatology, Guangzhou, Guangdong, 510055, China
| | - Chunlin Deng
- School of Materials Science and Engineering, National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510641, China
| | - Dafu Chen
- Laboratory of Bone Tissue Engineering, Beijing Laboratory of Biomedical Materials, National Center for Orthopaedics, Beijing Research Institute of Traumatology and Orthopaedics, Beijing Jishuitan Hospital, Beijing, 100035, China
| | - Lei Zhou
- Guangzhou Key Laboratory of Spine Disease Prevention and Treatment, Department of Spine Surgery, The Third Affiliated Hospital, Guangzhou Medical University, Guangzhou, 510150, China
| | - Chengyun Ning
- School of Materials Science and Engineering, National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510641, China
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7
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Qi W, Li L, Han R, Hou Y, Zhou Z, Chen GX, Li Q. Enhancing Dielectric Properties of (CaCu 3Ti 4O 12 NWs-Graphene)/PVDF Ternary Oriented Composites by Hot Stretching. ACS OMEGA 2024; 9:13298-13305. [PMID: 38524490 PMCID: PMC10956412 DOI: 10.1021/acsomega.3c10111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Revised: 02/23/2024] [Accepted: 02/28/2024] [Indexed: 03/26/2024]
Abstract
Using high-dielectric inorganic ceramics as fillers can effectively increase the dielectric constant of polymer-based composites. However, a high percentage of fillers will inevitably lead to a decrease in the mechanical toughness of the composite materials. By introducing high aspect ratio copper calcium titanate (CaCu3Ti4O12) nanowires (CCTO NWs) and graphene as fillers, the ternary poly(vinylidene fluoride) (PVDF)-based composites (CCTO NWs-graphene)/PVDF with a significant one-dimensional orientation structure were prepared by hot stretching. CCTO NWs and graphene are arranged in a directional manner to form a large number of microcapacitor structures, which significantly improves the dielectric constant of the composites. When the ratio of CCTO NWs and graphene is 0.2 and 0.02, the oriented composites have the highest dielectric constant, which is 19.3% higher than the random composites, respectively. Numerical simulations reveal that the introduction of graphene and the construction of the one-dimensional oriented microstructure have a positive effect on improving the dielectric properties of the composites. This study provides a strategy to improve the dielectric properties of composite materials by structural design without changing the filler content, which has broad application prospects in the field of electronic devices.
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Affiliation(s)
- Wenning Qi
- College
of Material Science and Engineering, Beijing
University of Chemical Technology, Beijing 100029, PR China
| | - Liuyang Li
- Key
Laboratory of Carbon Fiber and Functional Polymers, Ministry of Education, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Ruolin Han
- College
of Material Science and Engineering, Beijing
University of Chemical Technology, Beijing 100029, PR China
| | - Yanbin Hou
- College
of Material Science and Engineering, Beijing
University of Chemical Technology, Beijing 100029, PR China
| | - Zheng Zhou
- College
of Material Science and Engineering, Beijing
University of Chemical Technology, Beijing 100029, PR China
| | - Guang-Xin Chen
- College
of Material Science and Engineering, Beijing
University of Chemical Technology, Beijing 100029, PR China
| | - Qifang Li
- Key
Laboratory of Carbon Fiber and Functional Polymers, Ministry of Education, Beijing University of Chemical Technology, Beijing 100029, PR China
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8
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Li Q, Allahyarov E, Ju T, Lin Z, Zhu L. Nonlinear ferroelectric characteristics of barium titanate nanocrystals determined via a polymer nanocomposite approach. NANOSCALE 2024; 16:3606-3621. [PMID: 38270516 DOI: 10.1039/d3nr05185d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/26/2024]
Abstract
The growing demand for high energy storage materials has garnered substantial attention towards lead-free ferroelectric nanocrystals (NCs), such as BaTiO3 (BTO), for next-generation multilayer ceramic capacitors. Notably, it remains challenging to accurately measure the dielectric constant and polarization-electric field (P-E) hysteresis loop for BTO NCs. Herein, we report on nonlinear ferroelectric characteristics of BTO NCs via a polymer nanocomposite approach. Specifically, poly(vinyl pyrrolidone) (PVP)/BTO nanocomposite films of 3-10 μm thickness, containing 380 nm tetragonal-phased and 60 nm cubic-phased BTO NCs with uniform particle dispersion, were prepared. Theoretical deconvolution of the broad experimental P-E loops of the PVP/BTO NC composite films revealed three contributions, that is, the linear deformational polarization of the nanocomposites, the polarization of BTO NCs (Pp), and the polarization from strong particle-particle interactions. Using different mixing rules and nonlinear dielectric analysis, the overall dielectric constants of BTO NCs were obtained, from which the internal field in the BTO NCs (Ep) was estimated. Consequently, the Pp-Ep hysteresis loops were obtained for the BTO380 and BTO60 NCs. Interestingly, BTO380 exhibited square-shaped ferroelectric loops, whereas BTO60 displayed slim paraelectric loops. This work presents a robust and versatile route to extract the Pp-Ep loops of ferroelectric NCs from polymer/ceramic nanocomposites.
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Affiliation(s)
- Qiong Li
- Department of Macromolecular Science and Engineering, Case Western Reserve University, Cleveland, Ohio 44106, USA.
| | - Elshad Allahyarov
- Institut für Theoretische Physik II: Weiche Materie, Heinrich-Heine Universität Düsseldorf, Universitätstrasse 1, 40225 Düsseldorf, Germany
- Theoretical Department, Joint Institute for High Temperatures, Russian Academy of Sciences (IVTAN), 13/19 Izhorskaya Street, Moscow 125412, Russia
- Department of Physics, Case Western Reserve University, Cleveland, Ohio 44106-7079, USA
| | - Tianxiong Ju
- Department of Macromolecular Science and Engineering, Case Western Reserve University, Cleveland, Ohio 44106, USA.
| | - Zhiqun Lin
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore 117585, Singapore.
| | - Lei Zhu
- Department of Macromolecular Science and Engineering, Case Western Reserve University, Cleveland, Ohio 44106, USA.
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9
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Sahu B, Sinha P, Kumar D, Patel K, Banerjee S. Magnetically Recyclable Nanoscale Zero-Valent Iron-Mediated PhotoRDRP in Ionic Liquid toward Smart, Functional Polymers. Macromol Rapid Commun 2024; 45:e2300500. [PMID: 37870940 DOI: 10.1002/marc.202300500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 10/19/2023] [Indexed: 10/25/2023]
Abstract
A facile method based on recyclable nanoscale zero-valent iron (nZVI)-mediated photoinduced reversible deactivation radical polymerization in ionic liquid (IL) leads to the synthesis of narrow disperse poly(tert-butyl methacrylate) (PTBMA), amphiphilic PTBMA-block-poly(poly(ethylene glycol)methacrylate) diblock copolymer and double hydrophilic poly(methacrylic acid)-block-poly(poly(ethylene glycol)methacrylate) (PMAA-b-PPEGMA) diblock copolymers thereof. Stimuli response of the synthesized PMAA-b-PPEGMA diblock copolymer against variation in pH and temperature is assessed. Recyclability of the nZVI (catalyst) and IL (solvent) is established. Polymerization may be switched ON or OFF, simply by turning the UVA light irradiation ON or OFF, offering temporal control. The diblock copolymer self-aggregates into spherical nanoaggregates which are employed for encapsulation of coumarin 102 (C102, a typical hydrophobic dye), describing their potential application in drug delivery applications. The facile synthesis strategy may open up new avenues for the preparation of intelligent functional polymers for engineering and biomedical applications.
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Affiliation(s)
- Bhanendra Sahu
- Department of Chemistry, Indian Institute of Technology Bhilai, Durg, Chhattisgarh, 491001, India
| | - Priyank Sinha
- Department of Chemistry, Indian Institute of Technology Bhilai, Durg, Chhattisgarh, 491001, India
| | - Devendra Kumar
- Department of Chemistry, Indian Institute of Technology Bhilai, Durg, Chhattisgarh, 491001, India
| | - Kundan Patel
- Department of Chemistry, Indian Institute of Technology Bhilai, Durg, Chhattisgarh, 491001, India
| | - Sanjib Banerjee
- Department of Chemistry, Indian Institute of Technology Bhilai, Durg, Chhattisgarh, 491001, India
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10
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Le J, Lv F, Lin J, Wu Y, Ren Z, Zhang Q, Dong S, Luo J, Shi J, Chen R, Hong Z, Huang Y. Novel Sandwich-Structured Flexible Composite Films with Enhanced Piezoelectric Performance. ACS APPLIED MATERIALS & INTERFACES 2024; 16:1492-1501. [PMID: 38153799 DOI: 10.1021/acsami.3c15046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/30/2023]
Abstract
Piezoelectric poly(vinylidene fluoride) (PVDF) and its copolymers have been widely investigated for applications in wearable electric devices and sensing systems, owing to their intrinsic piezoelectricity and superior flexibility. However, their weak piezoelectricity poses major challenges for practical applications. To overcome these challenges, we propose a two-step synthesis approach to fabricate sandwich-structured piezoelectric films (BaTiO3@PDA/PVDF/BaTiO3@PDA) with significantly enhanced ferroelectric and piezoelectric properties. As compared to pristine PVDF films or conventional 0-3 composite films, a maximum polarization (Pmax) of 11.24 μC/cm2, a remanent polarization (Pr) of 5.83 μC/cm2, and an enhanced piezoelectric coefficient (d33 ∼ 14.6 pC/N) were achieved. Simulation and experimental results have demonstrated that the sandwich structure enhances the ability of composite films to withstand higher poling electric fields in comparison with 0-3 composites. The sandwich-structured piezoelectric films are further integrated into a wireless sensor system with a high force sensitivity of 288 mV/N, demonstrating great potential for movement monitoring applications. This facile approach shows great promise for the large-scale production of composite films with remarkable flexibility, ferroelectricity, and piezoelectricity for wearable sensing devices.
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Affiliation(s)
- Jing Le
- School of Materials Science and Engineering, State Key Laboratory of Silicon Materials, Cyrus Tang Center for Sensor Materials and Applications, Zhejiang University, Hangzhou 310027, Zhejiang, China
| | - Fu Lv
- School of Materials Science and Engineering, State Key Laboratory of Silicon Materials, Cyrus Tang Center for Sensor Materials and Applications, Zhejiang University, Hangzhou 310027, Zhejiang, China
| | - Jiamin Lin
- School of Materials Science and Engineering, State Key Laboratory of Silicon Materials, Cyrus Tang Center for Sensor Materials and Applications, Zhejiang University, Hangzhou 310027, Zhejiang, China
| | - Yongjun Wu
- School of Materials Science and Engineering, State Key Laboratory of Silicon Materials, Cyrus Tang Center for Sensor Materials and Applications, Zhejiang University, Hangzhou 310027, Zhejiang, China
- Nanhu Brain-Computer Interface Institute, Hangzhou 311100, Zhejiang, China
| | - Zhaohui Ren
- School of Materials Science and Engineering, State Key Laboratory of Silicon Materials, Cyrus Tang Center for Sensor Materials and Applications, Zhejiang University, Hangzhou 310027, Zhejiang, China
| | - Qilong Zhang
- School of Materials Science and Engineering, State Key Laboratory of Silicon Materials, Cyrus Tang Center for Sensor Materials and Applications, Zhejiang University, Hangzhou 310027, Zhejiang, China
| | - Shurong Dong
- College of Information Science and Electronic Engineering, Key Lab of Advanced Micro/Nano Electronic Devices & Smart Systems of Zhejiang, Zhejiang University, Hangzhou 310027, Zhejiang, China
| | - Jikui Luo
- College of Information Science and Electronic Engineering, Key Lab of Advanced Micro/Nano Electronic Devices & Smart Systems of Zhejiang, Zhejiang University, Hangzhou 310027, Zhejiang, China
| | - Junhui Shi
- Zhejiang Lab, Hangzhou 311121, Zhejiang, China
| | - Ruimin Chen
- Zhejiang Lab, Hangzhou 311121, Zhejiang, China
| | - Zijian Hong
- School of Materials Science and Engineering, State Key Laboratory of Silicon Materials, Cyrus Tang Center for Sensor Materials and Applications, Zhejiang University, Hangzhou 310027, Zhejiang, China
- Nanhu Brain-Computer Interface Institute, Hangzhou 311100, Zhejiang, China
| | - Yuhui Huang
- School of Materials Science and Engineering, State Key Laboratory of Silicon Materials, Cyrus Tang Center for Sensor Materials and Applications, Zhejiang University, Hangzhou 310027, Zhejiang, China
- Nanhu Brain-Computer Interface Institute, Hangzhou 311100, Zhejiang, China
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11
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Yuan X, Shi J, Kang Y, Dong J, Pei Z, Ji X. Piezoelectricity, Pyroelectricity, and Ferroelectricity in Biomaterials and Biomedical Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2308726. [PMID: 37842855 DOI: 10.1002/adma.202308726] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Revised: 10/12/2023] [Indexed: 10/17/2023]
Abstract
Piezoelectric, pyroelectric, and ferroelectric materials are considered unique biomedical materials due to their dielectric crystals and asymmetric centers that allow them to directly convert various primary forms of energy in the environment, such as sunlight, mechanical energy, and thermal energy, into secondary energy, such as electricity and chemical energy. These materials possess exceptional energy conversion ability and excellent catalytic properties, which have led to their widespread usage within biomedical fields. Numerous biomedical applications have demonstrated great potential with these materials, including disease treatment, biosensors, and tissue engineering. For example, piezoelectric materials are used to stimulate cell growth in bone regeneration, while pyroelectric materials are applied in skin cancer detection and imaging. Ferroelectric materials have even found use in neural implants that record and stimulate electrical activity in the brain. This paper reviews the relationship between ferroelectric, piezoelectric, and pyroelectric effects and the fundamental principles of different catalytic reactions. It also highlights the preparation methods of these three materials and the significant progress made in their biomedical applications. The review concludes by presenting key challenges and future prospects for efficient catalysts based on piezoelectric, pyroelectric, and ferroelectric nanomaterials for biomedical applications.
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Affiliation(s)
- Xue Yuan
- Academy of Medical Engineering and Translational Medicine, Medical College, Tianjin University, Tianjin, 300072, China
| | - Jiacheng Shi
- Academy of Medical Engineering and Translational Medicine, Medical College, Tianjin University, Tianjin, 300072, China
| | - Yong Kang
- Academy of Medical Engineering and Translational Medicine, Medical College, Tianjin University, Tianjin, 300072, China
| | - Jinrui Dong
- Academy of Medical Engineering and Translational Medicine, Medical College, Tianjin University, Tianjin, 300072, China
| | - Zhengcun Pei
- Academy of Medical Engineering and Translational Medicine, Medical College, Tianjin University, Tianjin, 300072, China
| | - Xiaoyuan Ji
- Academy of Medical Engineering and Translational Medicine, Medical College, Tianjin University, Tianjin, 300072, China
- Shandong Province Key Laboratory of Detection Technology for Tumor Makers, Medical College, Linyi University, Linyi, 276000, China
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12
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Shi K, Zhang B, Liu K, Zhang J, Ma G. Rhodium-Doped Barium Titanate Perovskite as a Stable p-Type Photocathode in Solar Water Splitting. ACS APPLIED MATERIALS & INTERFACES 2023; 15:47754-47763. [PMID: 37769117 DOI: 10.1021/acsami.3c09635] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/30/2023]
Abstract
Solar water splitting from a p-n-conjugated photoelectrochemical (PEC) system is a promising way to produce hydrogen sustainably. At present, finding a compatible p-type photocathode material for the p-n system remains a great challenge in consideration of the photocurrent and stability. This paper highlighted a promising candidate, Rh/BaTiO3, by switching BaTiO3 from an n-type photoanode to a p-type photocathode upon Rh doping. The dopant activated visible light absorption up to 550 nm and an onset potential as high as 1.0 V (vs RHE). Using surface photovoltage spectroscopy as a powerful characterization tool, the n- to p-type transition of the semiconductor was studied and explained microscopically by which we quantitatively isolated the cathodic contribution caused by the Rh dopant. Unbiased overall solar water splitting was accomplished by serially connecting the Pt/Rh/BaTiO3 photocathode to a CoOx/Mo/BiVO4 photoanode, which produced a solar to hydrogen conversion efficiency of 0.1% and an excellent stability over 100 h of operation at ambient pressure. This work revealed the key role that the Rh dopant played in the n- to p-type adjustment of titanate semiconductors and demonstrated its great potential for application in PEC water splitting.
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Affiliation(s)
- Ke Shi
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, P. R. China
| | - Boyang Zhang
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, P. R. China
| | - Kaiwei Liu
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, P. R. China
| | - Jifang Zhang
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, P. R. China
| | - Guijun Ma
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, P. R. China
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13
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Ibrahim SW, Hamad TI, Haider J. Biological properties of polycaprolactone and barium titanate composite in biomedical applications. Sci Prog 2023; 106:368504231215942. [PMID: 38031343 PMCID: PMC10687994 DOI: 10.1177/00368504231215942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2023]
Abstract
The ceramic-polymer composite materials are widely known for their exceptional mechanical and biological properties. Polycaprolactone (PCL) is a biodegradable polymer material extensively used in various biomedical applications. At the same time, barium titanate (BT), a ceramic material, exhibits piezoelectric properties similar to bone, which is essential for osseointegration. Furthermore, a composite material that combines the benefits of PCL and BT results in an innovative composite material with enhanced properties for biomedical applications. Thus, this review is organised into three sections. Firstly, it aims to provide an overview of the current research on evaluating biological properties, including antibacterial activity, cytotoxicity and osseointegration, of PCL polymeric matrices in its pure form and reinforced structures with ceramics, polymers and natural extracts. The second section investigates the biological properties of BT, both in its pure form and in combination with other supporting materials. Finally, the third section provides a summary of the biological properties of the PCLBT composite material. Furthermore, the existing challenges of PCL, BT and their composites, along with future research directions, have been presented. Therefore, this review will provide a state-of-the-art understanding of the biological properties of PCL and BT composites as potential futuristic materials in biomedical applications.
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Affiliation(s)
- Sabreen Waleed Ibrahim
- Prosthodontic Department, College of Dentistry, Al Mustansiriyah University, Baghdad, Iraq
| | - Thekra Ismael Hamad
- Department of Prosthodontics, College of Dentistry, University of Baghdad, Baghdad, Iraq
| | - Julfikar Haider
- Department of Engineering, Manchester Metropolitan University, Manchester, UK
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14
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Zhang QP, Du FY, Liu X, Lv JH, He L, Li JL, Li YT, Zhou YL. Optimizing the dielectric constant of the shell layer in core-shell structures for enhanced energy density of polymer nanocomposites. Phys Chem Chem Phys 2023. [PMID: 37378512 DOI: 10.1039/d3cp01367g] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/29/2023]
Abstract
Improved dielectric constant and breakdown strength facilitates excellent energy storage density of polymer dielectrics, which is positive to miniaturize dielectric capacitors in electronic and electrical systems. Although coating polar substances on nanoparticles enhances the dielectric constants of polymer nanocomposites, it usually causes local electric field concentration, leading to poor breakdown strength. Here, fluoropolymers with tailorable fluorine content (PF0, PF30 and PF60) are coated on BaTiO3 (BT) nanoparticles to construct typical core-shell structures that are further blended with poly(vinylidenefluoride-co-hexafluoropropylene) (P(VDF-HFP)) to obtain BT@PF/P(VDF-HFP) nanocomposites. Uniform dispersion of nanoparticles and excellent compatibility of interfaces are observed for the samples. In addition, the dielectric constant gradually increases from 8.03 to 8.26 to 9.12 for the nanocomposites filled with 3 wt% BT@PF0, BT@PF30 and BT@PF60, respectively. However, 3 wt% BT@PF30/P(VDF-HFP) has the highest breakdown strength (455 kV mm-1) among the nanocomposites, which is as good as neat P(VDF-HFP). More importantly, BT@PF30 rather than BT@PF60 possesses the maximum discharged energy density (11.56 J cm-3 at 485 kV mm-1), which is about 1.65 times that of neat P(VDF-HFP). This work proposes a facile experimental route to optimize the dielectric constants of the shell layer to couple the dielectric constants between the nanoparticles, shell layer and polymer matrix, which contributes to alleviating the local electric field concentration for excellent breakdown strength and electrical energy storage of polymer nanocomposites.
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Affiliation(s)
- Quan-Ping Zhang
- State Key Laboratory of Environment-friendly Energy Materials, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, China.
| | - Fang-Yan Du
- State Key Laboratory of Environment-friendly Energy Materials, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, China.
| | - Xiu Liu
- State Key Laboratory of Environment-friendly Energy Materials, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, China.
| | - Jia-Hao Lv
- State Key Laboratory of Environment-friendly Energy Materials, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, China.
| | - Li He
- State Key Laboratory of Environment-friendly Energy Materials, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, China.
| | - Jia-Le Li
- State Key Laboratory of Environment-friendly Energy Materials, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, China.
| | - Yin-Tao Li
- State Key Laboratory of Environment-friendly Energy Materials, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, China.
| | - Yuan-Lin Zhou
- State Key Laboratory of Environment-friendly Energy Materials, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, China.
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15
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Shi P, Ma J, Liu M, Guo S, Huang Y, Wang S, Zhang L, Chen L, Yang K, Liu X, Li Y, An X, Zhang D, Cheng X, Li Q, Lv W, Zhong G, He YB, Kang F. A dielectric electrolyte composite with high lithium-ion conductivity for high-voltage solid-state lithium metal batteries. NATURE NANOTECHNOLOGY 2023; 18:602-610. [PMID: 36894781 DOI: 10.1038/s41565-023-01341-2] [Citation(s) in RCA: 51] [Impact Index Per Article: 51.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2022] [Accepted: 02/07/2023] [Indexed: 06/18/2023]
Abstract
The ionic conductivity of composite solid-state electrolytes does not meet the application requirements of solid-state lithium (Li) metal batteries owing to the harsh space charge layer of different phases and low concentration of movable Li+. Herein, we propose a robust strategy for creating high-throughput Li+ transport pathways by coupling the ceramic dielectric and electrolyte to overcome the low ionic conductivity challenge of composite solid-state electrolytes. A highly conductive and dielectric composite solid-state electrolyte is constructed by compositing the poly(vinylidene difluoride) matrix and the BaTiO3-Li0.33La0.56TiO3-x nanowires with a side-by-side heterojunction structure (PVBL). The polarized dielectric BaTiO3 greatly promotes the dissociation of Li salt to produce more movable Li+, which locally and spontaneously transfers across the interface to coupled Li0.33La0.56TiO3-x for highly efficient transport. The BaTiO3-Li0.33La0.56TiO3-x effectively restrains the formation of the space charge layer with poly(vinylidene difluoride). These coupling effects contribute to a quite high ionic conductivity (8.2 × 10-4 S cm-1) and lithium transference number (0.57) of the PVBL at 25 °C. The PVBL also homogenizes the interfacial electric field with electrodes. The LiNi0.8Co0.1Mn0.1O2/PVBL/Li solid-state batteries stably cycle 1,500 times at a current density of 180 mA g-1, and pouch batteries also exhibit an excellent electrochemical and safety performance.
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Affiliation(s)
- Peiran Shi
- Shenzhen All-Solid-State Lithium Battery Electrolyte Engineering Research Center and Shenzhen Geim Graphene Center, Institute of Materials Research (IMR), Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, China
- Laboratory of Advanced Materials, School of Materials Science and Engineering, Tsinghua University, Beijing, China
| | - Jiabin Ma
- Shenzhen All-Solid-State Lithium Battery Electrolyte Engineering Research Center and Shenzhen Geim Graphene Center, Institute of Materials Research (IMR), Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, China
- Laboratory of Advanced Materials, School of Materials Science and Engineering, Tsinghua University, Beijing, China
| | - Ming Liu
- Shenzhen All-Solid-State Lithium Battery Electrolyte Engineering Research Center and Shenzhen Geim Graphene Center, Institute of Materials Research (IMR), Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, China
| | - Shaoke Guo
- Shenzhen All-Solid-State Lithium Battery Electrolyte Engineering Research Center and Shenzhen Geim Graphene Center, Institute of Materials Research (IMR), Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, China
- Laboratory of Advanced Materials, School of Materials Science and Engineering, Tsinghua University, Beijing, China
| | - Yanfei Huang
- College of Materials Science and Engineering, Shenzhen University, Shenzhen, China
| | - Shuwei Wang
- Shenzhen All-Solid-State Lithium Battery Electrolyte Engineering Research Center and Shenzhen Geim Graphene Center, Institute of Materials Research (IMR), Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, China
- Laboratory of Advanced Materials, School of Materials Science and Engineering, Tsinghua University, Beijing, China
| | - Lihan Zhang
- Shenzhen All-Solid-State Lithium Battery Electrolyte Engineering Research Center and Shenzhen Geim Graphene Center, Institute of Materials Research (IMR), Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, China
- Laboratory of Advanced Materials, School of Materials Science and Engineering, Tsinghua University, Beijing, China
| | - Likun Chen
- Shenzhen All-Solid-State Lithium Battery Electrolyte Engineering Research Center and Shenzhen Geim Graphene Center, Institute of Materials Research (IMR), Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, China
- Laboratory of Advanced Materials, School of Materials Science and Engineering, Tsinghua University, Beijing, China
| | - Ke Yang
- Shenzhen All-Solid-State Lithium Battery Electrolyte Engineering Research Center and Shenzhen Geim Graphene Center, Institute of Materials Research (IMR), Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, China
- Laboratory of Advanced Materials, School of Materials Science and Engineering, Tsinghua University, Beijing, China
| | - Xiaotong Liu
- Shenzhen All-Solid-State Lithium Battery Electrolyte Engineering Research Center and Shenzhen Geim Graphene Center, Institute of Materials Research (IMR), Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, China
- Laboratory of Advanced Materials, School of Materials Science and Engineering, Tsinghua University, Beijing, China
| | - Yuhang Li
- Shenzhen All-Solid-State Lithium Battery Electrolyte Engineering Research Center and Shenzhen Geim Graphene Center, Institute of Materials Research (IMR), Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, China
- Laboratory of Advanced Materials, School of Materials Science and Engineering, Tsinghua University, Beijing, China
| | - Xufei An
- Shenzhen All-Solid-State Lithium Battery Electrolyte Engineering Research Center and Shenzhen Geim Graphene Center, Institute of Materials Research (IMR), Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, China
- Laboratory of Advanced Materials, School of Materials Science and Engineering, Tsinghua University, Beijing, China
| | - Danfeng Zhang
- Shenzhen All-Solid-State Lithium Battery Electrolyte Engineering Research Center and Shenzhen Geim Graphene Center, Institute of Materials Research (IMR), Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, China
- Laboratory of Advanced Materials, School of Materials Science and Engineering, Tsinghua University, Beijing, China
| | - Xing Cheng
- Shenzhen All-Solid-State Lithium Battery Electrolyte Engineering Research Center and Shenzhen Geim Graphene Center, Institute of Materials Research (IMR), Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, China
- Laboratory of Advanced Materials, School of Materials Science and Engineering, Tsinghua University, Beijing, China
| | - Qidong Li
- Shenzhen All-Solid-State Lithium Battery Electrolyte Engineering Research Center and Shenzhen Geim Graphene Center, Institute of Materials Research (IMR), Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, China
| | - Wei Lv
- Shenzhen All-Solid-State Lithium Battery Electrolyte Engineering Research Center and Shenzhen Geim Graphene Center, Institute of Materials Research (IMR), Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, China
| | - Guiming Zhong
- Laboratory of Advanced Spectro-Electrochemistry and Lithium-Ion Batteries, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China.
| | - Yan-Bing He
- Shenzhen All-Solid-State Lithium Battery Electrolyte Engineering Research Center and Shenzhen Geim Graphene Center, Institute of Materials Research (IMR), Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, China.
| | - Feiyu Kang
- Shenzhen All-Solid-State Lithium Battery Electrolyte Engineering Research Center and Shenzhen Geim Graphene Center, Institute of Materials Research (IMR), Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, China.
- Laboratory of Advanced Materials, School of Materials Science and Engineering, Tsinghua University, Beijing, China.
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16
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Li L, Guo R, Gao J, Liu J, Zhao Z, Sheng X, Fan J, Cui F. Insight into mechanochemical destruction of PFOA by BaTiO 3: An electron-dominated reduction process. JOURNAL OF HAZARDOUS MATERIALS 2023; 450:131028. [PMID: 36857827 DOI: 10.1016/j.jhazmat.2023.131028] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 02/06/2023] [Accepted: 02/15/2023] [Indexed: 06/18/2023]
Abstract
Perfluorooctanoic acid (PFOA) is a representative persistent organic pollutant and its disposal by mechanochemical (MC) technology emerges in recent years. However, degradation mechanism of PFOA especially rupture of C-F bonds during MC process is still unclear. Therefore, we innovatively employed barium titanate as co-milling reagent in MC system to disclose an electron-dominated reduction process. By stimulating piezoelectric effect of BaTiO3 under MC impact, free electrons were generated. The results implied more than 95.00% degradation and 60.00% defluorination efficiency were obtained after 6 h' ball milling. DPPH• was used as probe to confirm the existence of piezo-excited electrons, which were further verified to be major reactive species by atmosphere experiments. Thus, PFOA destruction was dominated by reduction process, characterizing by breakage of C-F bonds induced by electrons. Accordingly, the fate of organic fluorides was explored and BaF2 was identified as final product. The cleavage of carboxyl group initiated PFOA decomposition, following by successive removal of CF2 groups and elimination of F-. Moreover, the practical experiments and reusable trials implied promising application of this method. Overall, this paper provides a novel perspective for reductive decomposition of PFOA by MC technology and reveals the major role of electrons during reaction process.
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Affiliation(s)
- Li Li
- Key Laboratory of Eco-environments in Three Gorges Reservoir Region, Ministry of Education, College of Environment and Ecology, Chongqing University, Chongqing 400045, PR China
| | - Ruoning Guo
- Key Laboratory of Eco-environments in Three Gorges Reservoir Region, Ministry of Education, College of Environment and Ecology, Chongqing University, Chongqing 400045, PR China
| | - Jie Gao
- Key Laboratory of Eco-environments in Three Gorges Reservoir Region, Ministry of Education, College of Environment and Ecology, Chongqing University, Chongqing 400045, PR China
| | - Jie Liu
- Department of Military Facilities, Army Logistics Academy, Chongqing 401311, PR China
| | - Zhiwei Zhao
- Key Laboratory of Eco-environments in Three Gorges Reservoir Region, Ministry of Education, College of Environment and Ecology, Chongqing University, Chongqing 400045, PR China.
| | - Xin Sheng
- Key Laboratory of Eco-environments in Three Gorges Reservoir Region, Ministry of Education, College of Environment and Ecology, Chongqing University, Chongqing 400045, PR China
| | - JunYu Fan
- Department of Military Facilities, Army Logistics Academy, Chongqing 401311, PR China
| | - Fuyi Cui
- Key Laboratory of Eco-environments in Three Gorges Reservoir Region, Ministry of Education, College of Environment and Ecology, Chongqing University, Chongqing 400045, PR China
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17
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Li Q, Ju T, Li R, Wang S, Yang Y, Ishida H, Harn YW, Chen J, Hirt B, Sehirlioglu A, Lin Z, Zhu L. Investigation into the crystal structure-dielectric property correlation in barium titanate nanocrystals of different sizes. NANOSCALE 2023; 15:7829-7844. [PMID: 37057395 DOI: 10.1039/d3nr00350g] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
For high capacitance multilayer ceramic capacitors, high dielectric constant and lead-free ceramic nanoparticles are highly desired. However, as the particle size decreases to a few tens of nanometers, their dielectric constant significantly decreases, and the underlying mechanism has yet to be fully elucidated. Herein, we report a systematic investigation into the crystal structure-dielectric property relationship of combustion-made BaTiO3 (BTO) nanocrystals. When the nanocrystal size was 100 nm and below, a metastable paraelectric cubic phase was found in the as-received BTO (denoted as arBTO) nanocrystals based on an X-ray diffraction (XRD) study. A stable ferroelectric tetragonal phase was present when the nanocrystal size was above 200 nm. Notably, the cubic arBTO (particle size ≤100 nm) exhibited tetragonal fluctuations as revealed by Raman spectroscopy, whereas the tetragonal arBTO (particle size ≥200 nm) contained ∼10% cubic fraction according to the Rietveld fitting of the XRD profiles. Thermal annealing of the multi-grain tetragonal arBTO at 950 °C yielded single crystals of annealed BTO (denoted as anBTO), whose dielectric constants were higher than those of arBTO. However, the single crystalline anBTO prevented the formation of 90° domains; therefore, they exhibited a low dielectric constant of ∼300. Although X-ray photoelectron spectroscopy and high-resolution transmission electron microscopy could not identify the exact structural defects, our study revealed that surface and bulk defects formed during synthesis affect the final crystal structures and thus the dielectric properties of BTO nanocrystals with different sizes. The understanding obtained from this study will help us design high dielectric constant perovskite nanocrystals for next-generation multilayer ceramic capacitor applications.
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Affiliation(s)
- Qiong Li
- Department of Macromolecular Science and Engineering, Case Western Reserve University, Cleveland, Ohio 44106, USA.
| | - Tianxiong Ju
- Department of Macromolecular Science and Engineering, Case Western Reserve University, Cleveland, Ohio 44106, USA.
| | - Ruipeng Li
- National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, New York 11973, USA
| | - Shuang Wang
- Institute of Polymer Science and Engineering, Hebei Key Laboratory of Functional Polymers, Hebei University of Technology, Tianjin 300130, P. R. China
| | - Yongfang Yang
- Institute of Polymer Science and Engineering, Hebei Key Laboratory of Functional Polymers, Hebei University of Technology, Tianjin 300130, P. R. China
| | - Hatsuo Ishida
- Department of Macromolecular Science and Engineering, Case Western Reserve University, Cleveland, Ohio 44106, USA.
| | - Yeu-Wei Harn
- School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, USA
| | - Jihua Chen
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
| | - Benjamin Hirt
- Department of Materials Science and Engineering, Case Western Reserve University, Cleveland, Ohio 44106, USA
| | - Alp Sehirlioglu
- Department of Materials Science and Engineering, Case Western Reserve University, Cleveland, Ohio 44106, USA
| | - Zhiqun Lin
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore 117585, Singapore.
| | - Lei Zhu
- Department of Macromolecular Science and Engineering, Case Western Reserve University, Cleveland, Ohio 44106, USA.
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Mensah A, Liao S, Amesimeku J, Lv P, Chen Y, Wei Q. Dynamic Pluronic F127 Crosslinking Enhancement of Biopolymeric Nanocomposites for Piezo-Triboelectric Single-Hybrid Nanogenerators and Self-Powered Sensors. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2207384. [PMID: 36734203 DOI: 10.1002/smll.202207384] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Revised: 01/06/2023] [Indexed: 05/25/2023]
Abstract
Biomechanical and nanomechanical energy harvesting systems have gained a wealth of interest, resulting in a plethora of research into the development of biopolymeric-based devices as sustainable alternatives. Piezoelectric, triboelectric, and hybrid nanogenerator devices for electrical applications are engineered and fabricated using innovative, sustainable, facile-approach flexible composite films with high performance based on bacterial cellulose and BaTiO3 , intrinsically and structurally enhanced by Pluronic F127, a micellar cross-linker. The voltage and current outputs of the modified versions with multiwalled carbon nanotube as a conductivity enhancer and post-poling effect are 38 V and 2.8 µA cm-2 , respectively. The multiconnective devices' power density can approach 10 µW cm-2 . The rectified output power is capable of charging capacitors, driving light-emitting diode lights, powering a digital watch and interfacing with a commercial microcontroller board to operate as a piezoresistive force sensor switch as a proof of concept. Magnetoelectric studies show that the composites have the potential to be incorporated into magnetoelectric systems. The biopolymeric composites prove to be desirable candidates for multifunctional energy harvesters and electronic devices.
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Affiliation(s)
- Alfred Mensah
- Key Laboratory of Eco-textiles, Ministry of Education, Jiangnan University, Wuxi, 214122, China
| | - Shiqin Liao
- Jiangxi Centre for Modern Apparel Engineering and Technology, Jiangxi Institute of Fashion Technology, Nanchang, 330201, P. R. China
| | - Jeremiah Amesimeku
- Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Pengfei Lv
- Key Laboratory of Eco-textiles, Ministry of Education, Jiangnan University, Wuxi, 214122, China
| | - Yajun Chen
- Key Laboratory of Eco-textiles, Ministry of Education, Jiangnan University, Wuxi, 214122, China
| | - Qufu Wei
- Key Laboratory of Eco-textiles, Ministry of Education, Jiangnan University, Wuxi, 214122, China
- Jiangxi Centre for Modern Apparel Engineering and Technology, Jiangxi Institute of Fashion Technology, Nanchang, 330201, P. R. China
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19
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Wang Y, Zang P, Yang D, Zhang R, Gai S, Yang P. The fundamentals and applications of piezoelectric materials for tumor therapy: recent advances and outlook. MATERIALS HORIZONS 2023; 10:1140-1184. [PMID: 36729448 DOI: 10.1039/d2mh01221a] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Malignant tumors are one of the main diseases leading to death, and the vigorous development of nanotechnology has opened up new frontiers for antitumor therapy. Currently, researchers are focused on solving the biomedical challenges associated with traditional anti-tumor medical methods, promoting the research and development of nano-drug carriers and new nano-drugs, which brings great hope for improving the curative effect and reducing toxic and side effects. Among the new systems being investigated, piezoelectric nano biomaterials, including ferroelectrics, piezoelectric and pyroelectric materials, have recently received extensive attention for antitumor applications. By coupling force, light, magnetism or heat and electricity, polarized charges are generated in these materials microscopically, forming a piezo-potential and establishing a built-in electric field. Polarized charges can directly act on the materials in the tumor micro-environment and also assist in the separation of carriers and inhibit recombination based on piezoelectric theory and piezoelectric optoelectronic theory. Based on this, piezoelectric materials convert various forms of primary energy (such as light energy, mechanical energy, thermal energy and magnetic energy) from the surrounding environment into secondary energy (such as electrical energy and chemical energy). Herein, we review the basic theory and principles of piezoelectric materials, pyroelectric materials and ferroelectric materials as nanomedicine. Then, we summarize the types of piezoelectric materials reported to date and their wide applications in treatment, imaging, device construction and probe detection in various tumor treatment fields. Based on this, we discuss the relevant characteristics and post-processing strategies of nano piezoelectric biomaterials to obtain the maximum piezoelectric response. Finally, we present the key challenges and future prospects for the development of ferroelectric, piezoelectric and pyroelectric nanomaterial-based nanoagents for efficient energy harvesting and conversion for desirable therapeutic outcomes.
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Affiliation(s)
- Yan Wang
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Material Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, P. R. China.
| | - Pengyu Zang
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Material Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, P. R. China.
| | - Dan Yang
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Material Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, P. R. China.
| | - Rui Zhang
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Material Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, P. R. China.
| | - Shili Gai
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Material Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, P. R. China.
| | - Piaoping Yang
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Material Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, P. R. China.
- Yantai Research Institute, Harbin Engineering University, Yantai 264000, P. R. China
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20
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Wu X, Zhao H, Han W, Wang Z, Li F, Li J, Xue W. Facile preparation and dielectric properties of BaTiO 3 with different particle sizes and morphologies. RSC Adv 2023; 13:11002-11009. [PMID: 37033420 PMCID: PMC10077948 DOI: 10.1039/d2ra08334e] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Accepted: 04/02/2023] [Indexed: 04/11/2023] Open
Abstract
BaTiO3 nanoparticles were prepared by the hydrothermal method, and the effect of 1-(propyl-3-methoxysilyl)-3-methylimidazole chloride on the size of BaTiO3 particles was investigated. The obtained BaTiO3 was characterized by XRD, SEM, TEM, and Raman spectroscopy; and the dielectric properties of BaTiO3 ceramic sheets were tested. The results indicate that the spherical BaTiO3-N prepared without an ionic liquid was in a tetragonal phase with an average particle size of 129 nm. When an ionic liquid was added, the size of the BaTiO3-IL decreased and the degree of agglomeration increased. In addition, with increasing quantity of ionic liquid, the tetragonal-phase content of BaTiO3-IL gradually decreased until complete transformation into cubic phase. The dielectric constant of the BaTiO3-N ceramics was the highest, and the dielectric constant decreased with decreasing BaTiO3 particle size. Moreover, two types of BaTiO3 nanoparticles (bowl- and sea urchin-shaped) were prepared by changing the hydrothermal conditions and additives. The average particle size of the former was 92 nm, the tetragonal-phase content was ca. 90%, and the dielectric constant was large; whereas the sea urchin-shaped BaTiO3 consisted of small particles in the cubic phase, and the dielectric constant was small.
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Affiliation(s)
- Xinxiao Wu
- Hebei Provincial Key Laboratory of Green Chemical Technology, High Efficient Energy Saving, School of Chemical Engineering and Technology, Hebei University of Technology Tianjin 300130 China ,cn
| | - Hepan Zhao
- Hebei Provincial Key Laboratory of Green Chemical Technology, High Efficient Energy Saving, School of Chemical Engineering and Technology, Hebei University of Technology Tianjin 300130 China ,cn
| | - Weining Han
- Hebei Provincial Key Laboratory of Green Chemical Technology, High Efficient Energy Saving, School of Chemical Engineering and Technology, Hebei University of Technology Tianjin 300130 China ,cn
| | - Zhimiao Wang
- Hebei Provincial Key Laboratory of Green Chemical Technology, High Efficient Energy Saving, School of Chemical Engineering and Technology, Hebei University of Technology Tianjin 300130 China ,cn
| | - Fang Li
- Hebei Provincial Key Laboratory of Green Chemical Technology, High Efficient Energy Saving, School of Chemical Engineering and Technology, Hebei University of Technology Tianjin 300130 China ,cn
- Tianjin Key Laboratory of Chemical Process Safety Tianjin 300130 China
| | - Jing Li
- School of Civil and Transportation Engineering, Hebei University of Technology Tianjin 300401 China
| | - Wei Xue
- Hebei Provincial Key Laboratory of Green Chemical Technology, High Efficient Energy Saving, School of Chemical Engineering and Technology, Hebei University of Technology Tianjin 300130 China ,cn
- Tianjin Key Laboratory of Chemical Process Safety Tianjin 300130 China
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21
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Sood A, Desseigne M, Dev A, Maurizi L, Kumar A, Millot N, Han SS. A Comprehensive Review on Barium Titanate Nanoparticles as a Persuasive Piezoelectric Material for Biomedical Applications: Prospects and Challenges. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2206401. [PMID: 36585372 DOI: 10.1002/smll.202206401] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 11/24/2022] [Indexed: 06/17/2023]
Abstract
Stimulation of cells with electrical cues is an imperative approach to interact with biological systems and has been exploited in clinical practices over a wide range of pathological ailments. This bioelectric interface has been extensively explored with the help of piezoelectric materials, leading to remarkable advancement in the past two decades. Among other members of this fraternity, colloidal perovskite barium titanate (BaTiO3 ) has gained substantial interest due to its noteworthy properties which includes high dielectric constant and excellent ferroelectric properties along with acceptable biocompatibility. Significant progression is witnessed for BaTiO3 nanoparticles (BaTiO3 NPs) as potent candidates for biomedical applications and in wearable bioelectronics, making them a promising personal healthcare platform. The current review highlights the nanostructured piezoelectric bio interface of BaTiO3 NPs in applications comprising drug delivery, tissue engineering, bioimaging, bioelectronics, and wearable devices. Particular attention has been dedicated toward the fabrication routes of BaTiO3 NPs along with different approaches for its surface modifications. This review offers a comprehensive discussion on the utility of BaTiO3 NPs as active devices rather than passive structural unit behaving as carriers for biomolecules. The employment of BaTiO3 NPs presents new scenarios and opportunity in the vast field of nanomedicines for biomedical applications.
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Affiliation(s)
- Ankur Sood
- School of Chemical Engineering, Yeungnam University, 280 Daehak-ro, Gyeongsan, 38541, South Korea
| | - Margaux Desseigne
- Laboratoire Interdisciplinaire Carnot de Bourgogne, UMR 6303 CNRS/Université Bourgogne Franche-Comté, 9 Avenue Alain Savary, BP 47870, Dijon, 21078, France
| | - Atul Dev
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, University of California Davis, 2921 Stockton Boulevard, Sacramento, CA, 95817, USA
| | - Lionel Maurizi
- Laboratoire Interdisciplinaire Carnot de Bourgogne, UMR 6303 CNRS/Université Bourgogne Franche-Comté, 9 Avenue Alain Savary, BP 47870, Dijon, 21078, France
| | - Anuj Kumar
- School of Chemical Engineering, Yeungnam University, 280 Daehak-ro, Gyeongsan, 38541, South Korea
- Institute of Cell Culture, Yeungnam University, 280 Daehak-ro, Gyeongsan, 38541, South Korea
| | - Nadine Millot
- Laboratoire Interdisciplinaire Carnot de Bourgogne, UMR 6303 CNRS/Université Bourgogne Franche-Comté, 9 Avenue Alain Savary, BP 47870, Dijon, 21078, France
| | - Sung Soo Han
- School of Chemical Engineering, Yeungnam University, 280 Daehak-ro, Gyeongsan, 38541, South Korea
- Institute of Cell Culture, Yeungnam University, 280 Daehak-ro, Gyeongsan, 38541, South Korea
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22
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Lan H, Wu B, Yan Y, Xia R, Qian J. Enhanced in-plane thermal conductivity of polyimide-based composites via in situ interfacial modification of graphene. NANOSCALE 2023; 15:4114-4122. [PMID: 36744939 DOI: 10.1039/d2nr06573h] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Interfacial thermal resistance is the main barrier restricting the heat dissipation of thermal management materials in electronic equipment. The interface structure formed by covalent bonding is an effective way to promote interfacial heat transfer. Herein, an integrated composite with multi-aspect covalent bonding beneficial for heat transmission is constructed by polyimide (PI) polymerization with maleimide modified graphene nanosheets (M@GNS). The interfacial structure with low thermal resistance built by covalent bonding and oriented graphene arrangement initiated by the coating process makes the in-plane thermal conductivity of the composite as high as 16.10 W m-1 K-1. Finite element simulation and 1000 bending tests are carried out to further verify the performance advantages of the integrated structure in the internal thermal diffusion and long-term use of the composite. M@GNS/PI with integrated structure provides extra heat transfer channels for heat dissipation, possibly providing an effective way to address the traditional thermal accumulation issue of electronic devices.
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Affiliation(s)
- Huiya Lan
- Key Laboratory of Environment-Friendly Polymeric Materials of Anhui Province, School of Chemistry & Chemical Engineering, Anhui University, Hefei, Anhui, 230601, China.
| | - Bin Wu
- Key Laboratory of Environment-Friendly Polymeric Materials of Anhui Province, School of Chemistry & Chemical Engineering, Anhui University, Hefei, Anhui, 230601, China.
| | - Yuye Yan
- Key Laboratory of Environment-Friendly Polymeric Materials of Anhui Province, School of Chemistry & Chemical Engineering, Anhui University, Hefei, Anhui, 230601, China.
| | - Ru Xia
- Key Laboratory of Environment-Friendly Polymeric Materials of Anhui Province, School of Chemistry & Chemical Engineering, Anhui University, Hefei, Anhui, 230601, China.
| | - Jiasheng Qian
- Key Laboratory of Environment-Friendly Polymeric Materials of Anhui Province, School of Chemistry & Chemical Engineering, Anhui University, Hefei, Anhui, 230601, China.
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23
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Zheng Y, Zhao L, Li Y, Zhang X, Zhang W, Wang J, Liu L, An W, Jiao H, Ma C. Nanostructure Mediated Piezoelectric Effect of Tetragonal BaTiO 3 Coatings on Bone Mesenchymal Stem Cell Shape and Osteogenic Differentiation. Int J Mol Sci 2023; 24:4051. [PMID: 36835464 PMCID: PMC9961896 DOI: 10.3390/ijms24044051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 02/05/2023] [Accepted: 02/15/2023] [Indexed: 02/19/2023] Open
Abstract
In recent years, porous titanium (Ti) scaffolds with BaTiO3 coatings have been designed to promote bone regeneration. However, the phase transitions of BaTiO3 have been understudied, and their coatings have yielded low effective piezoelectric coefficients (EPCs < 1 pm/V). In addition, piezoelectric nanomaterials bring many advantages in eliciting cell-specific responses. However, no study has attempted to design a nanostructured BaTiO3 coating with high EPCs. Herein, nanoparticulate tetragonal phase BaTiO3 coatings with cube-like nanoparticles but different effective piezoelectric coefficients were fabricated via anodization combining two hydrothermal processes. The effects of nanostructure-mediated piezoelectricity on the spreading, proliferation, and osteogenic differentiation of human jaw bone marrow mesenchymal stem cells (hJBMSCs) were explored. We found that the nanostructured tetragonal BaTiO3 coatings exhibited good biocompatibility and an EPC-dependent inhibitory effect on hJBMSC proliferation. The nanostructured tetragonal BaTiO3 coatings of relatively smaller EPCs (<10 pm/V) exhibited hJBMSC elongation and reorientation, broad lamellipodia extension, strong intercellular connection and osteogenic differentiation enhancement. Overall, the improved hJBMSC characteristics make the nanostructured tetragonal BaTiO3 coatings promising for application on implant surfaces to promote osseointegration.
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Affiliation(s)
- Yafei Zheng
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi’an 710032, China
| | - Lingzhou Zhao
- Air Force Medical Center, The Fourth Military Medical University, 30 Fucheng Road, Beijing 100089, China
| | - Ying Li
- Air Force Medical Center, The Fourth Military Medical University, 30 Fucheng Road, Beijing 100089, China
| | - Xinyuan Zhang
- School of Materials Science and Engineering, Xi’an University of Technology, Xi’an 710048, China
| | - Wei Zhang
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi’an 710032, China
| | - Jing Wang
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi’an 710032, China
| | - Lipeng Liu
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi’an 710032, China
| | - Weikang An
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi’an 710032, China
| | - Hua Jiao
- School of Materials Science and Engineering, Xi’an University of Technology, Xi’an 710048, China
| | - Chufan Ma
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi’an 710032, China
- Air Force Medical Center, The Fourth Military Medical University, 30 Fucheng Road, Beijing 100089, China
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24
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Zhou M, Zhang Y, Shi G, He Y, Cui Z, Zhang X, Fu P, Liu M, Qiao X, Pang X. Mechanically Driven Atom Transfer Radical Polymerization by Piezoelectricity. ACS Macro Lett 2023; 12:26-32. [PMID: 36541821 DOI: 10.1021/acsmacrolett.2c00640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Targeting sustainable and eco-friendly polymer synthesis, we demonstrate here a synergistically catalyzed atom transfer radical polymerization (ATRP) induced and controlled by interplay between ball milling (BM) and piezoelectric nanoparticles (piezoNPs). BM-induced electron transfer can be achieved through piezoNPs deformation under impact force, serving as an external stimulus to mediate polymerization. The ppm level of copper loading is sufficient in fabrication of a polymer with well-defined molecular weight and low polydispersity. High-molecular-weight polymers ranging from 33 to 74 kDa were prepared successfully through DMSO-assisted grinding. Besides, its good performance on availability of water as liquid-assisted grinding additive, the recyclability of piezoNPs, and the formation of cross-linker-free composite resin make our ATRP approach a green and practical option alongside the existent heat-, electro-, and photo-induced methods.
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Affiliation(s)
- Mengjie Zhou
- Henan Joint International Research Laboratory of Living Polymerizations and Functional Nanomaterials, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Yu Zhang
- Henan Joint International Research Laboratory of Living Polymerizations and Functional Nanomaterials, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Ge Shi
- Henan Joint International Research Laboratory of Living Polymerizations and Functional Nanomaterials, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Yanjie He
- Henan Joint International Research Laboratory of Living Polymerizations and Functional Nanomaterials, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Zhe Cui
- Henan Joint International Research Laboratory of Living Polymerizations and Functional Nanomaterials, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Xiaomeng Zhang
- Henan Joint International Research Laboratory of Living Polymerizations and Functional Nanomaterials, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Peng Fu
- Henan Joint International Research Laboratory of Living Polymerizations and Functional Nanomaterials, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Minying Liu
- Henan Joint International Research Laboratory of Living Polymerizations and Functional Nanomaterials, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Xiaoguang Qiao
- Henan Joint International Research Laboratory of Living Polymerizations and Functional Nanomaterials, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China.,College of Materials Engineering, Henan International Joint Laboratory of Rare Earth Composite Materials, Henan Engineering Technology Research Center for Fiber Preparation and Modification, Henan University of Engineering, Zhengzhou 451191, China
| | - Xinchang Pang
- Henan Joint International Research Laboratory of Living Polymerizations and Functional Nanomaterials, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
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25
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Zhang M, Caldwell T, Hector AL, Garcia-Araez N, Falvey J. Solvothermal synthesis of nanoscale BaTiO 3 in benzyl alcohol-water mixtures and effects of manganese oxide coating to enhance the PTCR effect. Dalton Trans 2023; 52:297-307. [PMID: 36504240 DOI: 10.1039/d2dt03307k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
A solvothermal method using various benzyl alcohol/water solvent mixtures has been used to synthesise phase pure nanocrystalline BaTiO3 samples with varying particle sizes in the range of 11-139 nm. The crystallite/particle size of BaTiO3 shows an overall decrease as the benzyl alcohol percentage increases, especially at higher percentages (≥80%) of benzyl alcohol. The decrease in crystallite/particle size can be attributed to the increased viscosity of the solvent mixture when raising the percentage of benzyl alcohol. A manganese oxide coating applied to the BaTiO3 surface had a negligible impact on its microstructure and morphology, but significantly enhanced the observed positive temperature coefficient of resistance. This research has been carried out to allow the development of smaller BaTiO3 particles for use in new battery, capacitor and thermistor technologies, whilst maintaining the PTCR property of the material that is typically observed in larger particle sizes.
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Affiliation(s)
- Min Zhang
- School of Chemistry, University of Southampton, Highfield, Southampton SO17 1BJ, UK.
| | - Thomas Caldwell
- School of Chemistry, University of Southampton, Highfield, Southampton SO17 1BJ, UK.
| | - Andrew L Hector
- School of Chemistry, University of Southampton, Highfield, Southampton SO17 1BJ, UK.
| | - Nuria Garcia-Araez
- School of Chemistry, University of Southampton, Highfield, Southampton SO17 1BJ, UK. .,The Faraday Institution, Quad One, Harwell Campus, Didcot OX11 0RA, UK
| | - Joseph Falvey
- School of Chemistry, University of Southampton, Highfield, Southampton SO17 1BJ, UK.
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26
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Yang H, Zhu M, Li Y. Sol-gel research in China: a brief history and recent research trends in synthesis of sol-gel derived materials and their applications. JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY 2023; 106:406-421. [PMID: 35291426 PMCID: PMC8914153 DOI: 10.1007/s10971-022-05750-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Accepted: 02/18/2022] [Indexed: 05/03/2023]
Abstract
The sol-gel process has become a rapidly growing research area in materials science. A variety of materials prepared via sol-gel routes have shown unique properties and characteristics that are difficult to achieve using conventional methods. In recent years, tremendous progress in sol-gel R&D has been made not only in the world but also in China. Here, this review provides a retrospective overview of the sol-gel history in China and summarizes recent progress and applications of sol-gel research in Chinese universities, institutes, and industries. It highlights some of the recent developments published by Chinese researchers in the last 5 years, ranging from the sol-gel synthesis of nanomaterials, bulk materials, and functional coatings, to their applications in the fields of energy conversion, energy storage, photocatalysis, etc. It is evident that sol-gel technology nowadays in China has evolved into a vibrant research area both in academia and industry. Graphical abstract.
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Affiliation(s)
- Hui Yang
- School of Materials Science and Engineering, Zhejiang University, Hangzhou, China
- State Key Lab of Silicon Materials, Zhejiang University, Hangzhou, 310027 China
| | - Mankang Zhu
- Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing, China
| | - Yue Li
- School of Materials Science and Engineering, Zhejiang University, Hangzhou, China
- State Key Lab of Silicon Materials, Zhejiang University, Hangzhou, 310027 China
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27
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S-Scheme BaTiO3/TiO2 heterojunctions: Piezophotocatalytic degradation of norfloxacin. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.122928] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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28
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Optimization of Sintering Conditions to Enhance the Dielectric Performance of Gd3+ and Ho3+ Codoped BaTiO3 Ceramics. Molecules 2022; 27:molecules27217464. [DOI: 10.3390/molecules27217464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 10/30/2022] [Accepted: 10/31/2022] [Indexed: 11/06/2022] Open
Abstract
BaTiO3 dielectric capacitors, one of the important energy storage devices, play critical roles in storing electricity from renewable energies of water, wind, solar, etc. The synthesis of BaTiO3 ceramics with weak temperature dependence and a high dielectric constant at room temperature (εRT′) is an urgent problem to meet the miniaturization and large capacity of dielectric capacitors. Doping rare earth elements into BaTiO3 can solve this problem, but it is still challenging. In this work, we adopt a synergistic strategy of increasing εRT′ and improving the temperature stability by codoping Gd3+ and Ho3+, respectively, to address this challenge. By carefully adjusting the synthesis conditions in the solid-state reaction, codoping 7% Gd3+ and 7% Ho3+ in BaTiO3 (BGTH7) ceramics were synthesized. The temperature-dependent dielectric constant reveals that the obtained optimal BGTH7 ceramic satisfies the X7U specification and displays a stable ε′ in the temperature range of −55~125 °C. The optimal BGTH7 ceramic after sintering at 1400 °C for 6 h exhibits a high dielectric constant of 5475 and low dielectric loss (tan δ) of 0.0176, hitherto exhibiting the best performance in X7U ceramics. The findings in this work are conducive to the miniaturization and stabilization of dielectric energy storage devices.
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29
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Li K, Qin Y, Li ZG, Guo TM, An LC, Li W, Li N, Bu XH. Elastic properties related energy conversions of coordination polymers and metal–organic frameworks. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2022.214692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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30
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Bioinspired fabrication of self-recovery, adhesive, and flexible conductive hydrogel sensor driven by dynamic borate ester bonds and tannic acid-mediated noncovalent network. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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31
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Singh M, Dong M, Wu W, Nejat R, Tran DK, Pradhan N, Raghavan D, Douglas JF, Wooley KL, Karim A. Enhanced Dielectric Strength and Capacitive Energy Density of Cyclic Polystyrene Films. ACS POLYMERS AU 2022; 2:324-332. [PMID: 36254316 PMCID: PMC9562468 DOI: 10.1021/acspolymersau.2c00014] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
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The maximum capacitive
energy stored in polymeric dielectric capacitors,
which are ubiquitous in high-power-density devices, is dictated by
the dielectric breakdown strength of the dielectric polymer. The fundamental
mechanisms of the dielectric breakdown, however, remain unclear. Based
on a simple free-volume model of the polymer fluid state, we hypothesized
that the free ends of linear polymer chains might act as “defect”
sites, at which the dielectric breakdown can initiate. Thus, the dielectric
breakdown strength of cyclic polymers should exhibit enhanced stability
in comparison to that of their linear counterparts having the same
composition and similar molar mass. This hypothesis is supported by
the ∼50% enhancement in the dielectric breakdown strength and
∼80% enhancement in capacitive energy density of cyclic polystyrene
melt films in comparison to corresponding linear polystyrene control
films. Furthermore, we observed that cyclic polymers exhibit a denser
packing density than the linear chain melts, an effect that is consistent
with and could account for the observed property changes. Our work
demonstrates that polymer topology can significantly influence the
capacitive properties of polymer films, and correspondingly, we can
expect polymer topology to influence the gas permeability, shear modulus,
and other properties of thin films dependent on film density.
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Affiliation(s)
- Maninderjeet Singh
- Department of Chemical and Biomolecular Engineering, University of Houston, Houston, Texas 77204, United States
| | - Mei Dong
- Departments of Chemistry, Chemical Engineering, and Materials Science & Engineering, Texas A&M University, College Station, Texas 77842, United States
| | - Wenjie Wu
- Department of Chemical and Biomolecular Engineering, University of Houston, Houston, Texas 77204, United States
| | - Roushanak Nejat
- Materials Engineering Program, University of Houston, Houston, Texas 77204, United States
| | - David K. Tran
- Departments of Chemistry, Chemical Engineering, and Materials Science & Engineering, Texas A&M University, College Station, Texas 77842, United States
| | - Nihar Pradhan
- Department of Chemistry, Physics and Atmospheric Science, Jackson State University, Jackson, Mississippi 39217, United States
| | - Dharmaraj Raghavan
- Department of Chemistry, Howard University, Washington, DC 20059, United States
| | - Jack F. Douglas
- Materials Science and Engineering Division, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
| | - Karen L. Wooley
- Departments of Chemistry, Chemical Engineering, and Materials Science & Engineering, Texas A&M University, College Station, Texas 77842, United States
| | - Alamgir Karim
- Department of Chemical and Biomolecular Engineering, University of Houston, Houston, Texas 77204, United States
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Fu B, Li J, Jiang H, He X, Ma Y, Wang J, Shi C, Hu C. Enhanced piezotronics by single-crystalline ferroelectrics for uniformly strengthening the piezo-photocatalysis of electrospun BaTiO 3@TiO 2 nanofibers. NANOSCALE 2022; 14:14073-14081. [PMID: 35993416 DOI: 10.1039/d2nr03828e] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Turning the built-in electric field by modulating the morphology and microstructure of ferroelectric materials is considered a viable approach to enhancing the piezo-photocatalytic activity of the ferroelectric/oxide semiconductor heterojunctions. Here, hydrothermally synthesized single-crystalline BaTiO3 nanoparticles are employed to construct BaTiO3@TiO2 hybrid nanofibers by sol-gel assisted electrospinning of TiO2 nanofibers and annealing. Because of the obvious enhancement of the synergetic piezo-photocatalytic effect under both ultrasonic and ultraviolet (UV) light irradiation, the piezo-photocatalytic degradation rate constant (k) of BaTiO3@TiO2 hybrid nanofibers on methyl orange (MO) reaches 14.84 × 10-2 min-1, which is approximately seven fold that for piezocatalysis and six fold that for photocatalysis. Moreover, BaTiO3@TiO2 core-shell nanoparticles are also synthesized for comparison purposes to assess the influence of microstructure on the piezo-photocatalysis by a wet-chemical coating of TiO2 on BaTiO3 nanoparticles. Such a high piezo-photocatalytic activity is attributed to the enhancement of the piezotronic effect by the single-crystalline ferroelectric nanoparticles and the nanoconfinement effect caused by the one-dimensional boundary of nanofibers with high specific surface areas. The mechanically induced uniform local built-in electric fields originated from the single-crystalline ferroelectric nanoparticles can enhance the separation of photogenerated electron and hole pairs and promote the formation of free hydroxyl radicals, resulting in a strong piezotronic effect boosted photochemical degradation of organic dye. This work introduces the single-crystalline ferroelectrics to construct ferroelectric/oxide semiconductor heterojunctions, and the enhanced local piezotronic effect uniformly strengthens the photochemical reactivity, which offers a new option to design high-efficiency piezo-photocatalysts for pollutant treatment.
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Affiliation(s)
- Bi Fu
- Shenzhen Key Laboratory of Biomimetic Robotics and Intelligent Systems, Department of Mechanical and Energy Engineering, Southern University of Science and Technology, Shenzhen, 518055, China.
- School of Optoelectronic Engineering, Guangdong Polytechnic Normal University, Guangzhou 510665, China
- Guangdong Provincial Key Laboratory of Human-Augmentation and Rehabilitation Robotics in Universities, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Jianjie Li
- Shenzhen Key Laboratory of Biomimetic Robotics and Intelligent Systems, Department of Mechanical and Energy Engineering, Southern University of Science and Technology, Shenzhen, 518055, China.
| | - Huaide Jiang
- Shenzhen Key Laboratory of Biomimetic Robotics and Intelligent Systems, Department of Mechanical and Energy Engineering, Southern University of Science and Technology, Shenzhen, 518055, China.
| | - Xiaoli He
- Shenzhen Key Laboratory of Biomimetic Robotics and Intelligent Systems, Department of Mechanical and Energy Engineering, Southern University of Science and Technology, Shenzhen, 518055, China.
| | - Yanmei Ma
- Shenzhen Key Laboratory of Biomimetic Robotics and Intelligent Systems, Department of Mechanical and Energy Engineering, Southern University of Science and Technology, Shenzhen, 518055, China.
| | - Jingke Wang
- Shenzhen Key Laboratory of Biomimetic Robotics and Intelligent Systems, Department of Mechanical and Energy Engineering, Southern University of Science and Technology, Shenzhen, 518055, China.
| | - Chaoyang Shi
- Key Laboratory of Mechanism Theory and Equipment Design of Ministry of Education, School of Mechanical Engineering, Tianjin University, Tianjin, 300072, China.
| | - Chengzhi Hu
- Shenzhen Key Laboratory of Biomimetic Robotics and Intelligent Systems, Department of Mechanical and Energy Engineering, Southern University of Science and Technology, Shenzhen, 518055, China.
- Guangdong Provincial Key Laboratory of Human-Augmentation and Rehabilitation Robotics in Universities, Southern University of Science and Technology, Shenzhen, 518055, China
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33
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Zamperlin N, Bottacini A, Callone E, Pegoretti A, Fontana M, Dirè S. Barium Titanate Functionalization with Organosilanes: Effect on Particle Compatibility and Permittivity in Nanocomposites. Molecules 2022; 27:molecules27196499. [PMID: 36235034 PMCID: PMC9572045 DOI: 10.3390/molecules27196499] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 09/24/2022] [Accepted: 09/27/2022] [Indexed: 11/16/2022] Open
Abstract
Barium titanate (BT) recently gained new interest in the preparation of dielectric and piezoelectric lead-free materials for applications in sensors, electronics, energy harvesting and storage fields. Barium titanate nanocomposites can achieve attractive performance, provided that the compatibility between ceramic particles and polymeric matrices is enhanced to the benefit of the physical properties of the final composite. Tuning the particle-matrix interface through particle functionalization represents a viable solution. In this work, surface functionalization of BT nanoparticles (NPs), obtained by hydrothermal synthesis, with 3-glycidyloxypropyltrimethoxysilane, 2-[(acetoxy(polyethyleneoxy)propyl]triethoxysilane and triethoxysilylpropoxy(polyethyleneoxy)dodecanoate, was performed after optimizing the hydroxylation process of the NPs to improve their surface reactivity and increase the yield of grafting. Solid-state nuclear magnetic resonance and thermogravimetric analysis were used to quantify the molecules grafted onto the ceramic nanoparticles. Both bare and functionalized particles were employed in the realization of epoxy- and polydimethylsiloxane (PDMS)-based nanocomposites. Functionalization was proven to be beneficial for particle dispersibility and effective for particle alignment in the PDMS matrix. Moreover, the dielectric constant measurements revealed the potential of PDMS-based nanocomposites for applications in the field of dielectric elastomers.
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Affiliation(s)
- Nico Zamperlin
- Department of Industrial Engineering, University of Trento, Via Sommarive 9, 38123 Trento, Italy
- Correspondence:
| | - Andrea Bottacini
- Department of Industrial Engineering, University of Trento, Via Sommarive 9, 38123 Trento, Italy
| | - Emanuela Callone
- Department of Industrial Engineering, University of Trento, Via Sommarive 9, 38123 Trento, Italy
| | - Alessandro Pegoretti
- Department of Industrial Engineering, University of Trento, Via Sommarive 9, 38123 Trento, Italy
- National Interuniversity Consortium of Materials Science and Technology (INSTM), Via G. Giusti, 9, 50121 Firenze, Italy
| | - Marco Fontana
- Department of Industrial Engineering, University of Trento, Via Sommarive 9, 38123 Trento, Italy
- Institute of Mechanical Intelligence, Scuola Superiore Sant’Anna, Piazza Martiri della Libertà 33, 56127 Pisa, Italy
| | - Sandra Dirè
- Department of Industrial Engineering, University of Trento, Via Sommarive 9, 38123 Trento, Italy
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Amaechi IC, Hadj Youssef A, Dörfler A, González Y, Katoch R, Ruediger A. Catalytic Applications of Non‐Centrosymmetric Oxide Nanomaterials. Angew Chem Int Ed Engl 2022; 61:e202207975. [DOI: 10.1002/anie.202207975] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Indexed: 11/09/2022]
Affiliation(s)
- Ifeanyichukwu C. Amaechi
- Institut National de la Recherche Scientifique Énergie Matériaux et Télécommunications Research Centre 1650, Boul. Lionel-Boulet Varennes J3X 1P7 Québec Canada
| | - Azza Hadj Youssef
- Institut National de la Recherche Scientifique Énergie Matériaux et Télécommunications Research Centre 1650, Boul. Lionel-Boulet Varennes J3X 1P7 Québec Canada
| | - Andreas Dörfler
- Institut National de la Recherche Scientifique Énergie Matériaux et Télécommunications Research Centre 1650, Boul. Lionel-Boulet Varennes J3X 1P7 Québec Canada
| | - Yoandris González
- Institut National de la Recherche Scientifique Énergie Matériaux et Télécommunications Research Centre 1650, Boul. Lionel-Boulet Varennes J3X 1P7 Québec Canada
| | - Rajesh Katoch
- Institut National de la Recherche Scientifique Énergie Matériaux et Télécommunications Research Centre 1650, Boul. Lionel-Boulet Varennes J3X 1P7 Québec Canada
| | - Andreas Ruediger
- Institut National de la Recherche Scientifique Énergie Matériaux et Télécommunications Research Centre 1650, Boul. Lionel-Boulet Varennes J3X 1P7 Québec Canada
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35
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Park JM, Lim S, Sun JY. Materials development in stretchable iontronics. SOFT MATTER 2022; 18:6487-6510. [PMID: 36000330 DOI: 10.1039/d2sm00733a] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Stretchable iontronics have recently been developed as an ideal interface to promote the interaction between humans and devices. Since the materials that use ions as charge carriers are typically transparent and stretchable, they have been used to fabricate devices with diverse functions with intrinsic transparency and stretchability. With the development of device design, material design has also been investigated to mitigate the issues associated with ionic materials, such as their weak mechanical properties, poor electrical properties, or poor environmental stabilities. In this review, we describe the recent progress on the design of materials in stretchable iontronics. By classifying stretchable ionic materials into three types of components (ionic conductors, ionic semiconductors, and ionic insulators), the issues each component has and the strategies to solve them are introduced, specifically in terms of molecular interactions. We then discuss the existing hurdles and challenges to be handled and shine light on the possibilities and opportunities from the insight of molecular interactions.
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Affiliation(s)
- Jae-Man Park
- Department of Materials Science and Engineering, Seoul National University, Seoul 08826, Republic of Korea.
| | - Sungsoo Lim
- Department of Materials Science and Engineering, Seoul National University, Seoul 08826, Republic of Korea.
| | - Jeong-Yun Sun
- Department of Materials Science and Engineering, Seoul National University, Seoul 08826, Republic of Korea.
- Research Institute of Advanced Materials (RIAM), Seoul National University, Seoul 08826, Republic of Korea
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36
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Jiao H, Zhou X, Jin J, Zhao K, Tang Y, Zhang X, Song S. Theoretical calculation and antibacterial properties of raspberry like BaTiO3. Chem Phys Lett 2022. [DOI: 10.1016/j.cplett.2022.139864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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37
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Enhanced rate capability and high-voltage cycling stability of single-crystal nickel-rich cathode by surface anchoring dielectric BaTiO3. J Colloid Interface Sci 2022; 619:65-74. [DOI: 10.1016/j.jcis.2022.03.064] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 03/12/2022] [Accepted: 03/14/2022] [Indexed: 11/18/2022]
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38
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Amaechi I, Hadj Youssef A, Dörfler A, Gonzalez Y, Katoch R, Ruediger A. Catalytic Applications of Non‐Centrosymmetric Oxide Nanomaterials. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202207975] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Ifeanyichukwu Amaechi
- Institut national de la recherche scientifique 1650, Boul. Lionel Boulet Varennes (Québec) J3X 1S2 CANADA
| | - Azza Hadj Youssef
- Institut national de la recherche scientifique Center for Energy, Materials & Telecommunication 1650 Boul. Lionel-BouletVarennes J3X1P7 Montreal CANADA
| | - Andreas Dörfler
- Institut national de la recherche scientifique Center for Energy, Materials & Telecommunication 1650 Boul. Lionel-BouletVarennes J3X1P7 Montreal CANADA
| | - Yoandris Gonzalez
- Institut national de la recherche scientifique Center for Energy, Materials & Telecommunication 1650 Boul. Lionel-BouletVarennes J3X1P7 Montreal CANADA
| | - Rajesh Katoch
- Institut national de la recherche scientifique Center for Energy, Materials & Telecommunication 1650 Boul. Lionel-BouletVarennes J3X1P7 Montreal CANADA
| | - Andreas Ruediger
- Institut national de la recherche scientifique Center for Energy, Materials & Telecommunication 1650 Boul. Lionel-BouletVarennes J3X1P7 Montreal CANADA
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39
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Dantelle G, Beauquis S, Le Dantec R, Monnier V, Galez C, Mugnier Y. Solution-Based Synthesis Routes for the Preparation of Noncentrosymmetric 0-D Oxide Nanocrystals with Perovskite and Nonperovskite Structures. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2200992. [PMID: 35691941 DOI: 10.1002/smll.202200992] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 05/21/2022] [Indexed: 06/15/2023]
Abstract
With the miniaturization of electronic-based devices, the foreseen potential of new optical nanoprobes and the assessment of eventual size and shape effects, elaboration of multifunctional noncentrosymmetric nanocrystals with ferroelectric, pyroelectric, piezoelectric, and nonlinear optical properties are the subject of an increasing research interest. Here, the recent achievements from the solution-based methods (coprecipitation in homogeneous and nanostructured media, sol-gel processes including various chemistries and hydro/solvothermal techniques) to prepare 0-D perovskite and nonperovskite oxides in the 5-500 nm size range are critically reviewed. To cover a representative list of covalent- and ionic-type materials, BaTiO3 and its derivatives, niobate compounds (i.e., K/Na/LiNbO3 ), multiferroic BiFeO3, and crystals of lower symmetry including KTiOPO4 and some iodate compounds such as Fe(IO3 )3 and La(IO3 )3 are systematically in focus. The resulting size, morphology, and aggregation state are discussed in light of the proposed formation mechanisms. Because of a higher complexity related to their chemical composition and crystalline structures, improving the rational design of these multifunctional oxides in terms of finely-tuned compositions, crystalline hosts and structure-property relationships still need in the future a special attention of the research community to the detailed understanding of the reaction pathways and crystallization mechanisms.
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Affiliation(s)
- Géraldine Dantelle
- Université Grenoble Alpes, CNRS, Grenoble INP, Institut Néel, Grenoble, 38000, France
| | | | - Ronan Le Dantec
- Université Savoie Mont Blanc, SYMME, Annecy, F-74000, France
| | - Virginie Monnier
- Univ Lyon, Ecole Centrale de Lyon, CNRS, INSA Lyon, Université Claude Bernard Lyon 1, CPE Lyon, CNRS, INL, UMR5270, Ecully, 69130, France
| | - Christine Galez
- Université Savoie Mont Blanc, SYMME, Annecy, F-74000, France
| | - Yannick Mugnier
- Université Savoie Mont Blanc, SYMME, Annecy, F-74000, France
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40
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Conversion Study on the Formation of Mechanochemically Synthesized BaTiO3. CHEMISTRY 2022. [DOI: 10.3390/chemistry4020042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Mechanochemistry is a method that can cover the energy demand of reaction pathways between solid materials. This requires enough energy to maintain the reactions between the starting materials. This is called “high-energy milling”. In our case, a planetary ball mill provided the required energy. Using the Burgio-equation, the required energy is determinable; the energy released during a single impact of a milling ball (Eb), as well as during the whole milling process (Ecum). The aim of this work was the one-step production of BaTiO3 from BaO and TiO2 starting materials. Whereas during mechanochemical reactions it is possible to produce nanoparticles of up to 10 nm, the essence of this study is to develop the preparation of BaTiO3 with a perovskite structure even without subsequent heat treatment, since sintering at high temperatures is associated with a rapid increase in the size of the particles. By describing the synthesis parameters and their energy values (Eb and Ecum), it is possible to transpose experimental conditions, so that in the case of other types of planetary ball mills or grinding vessel made of other materials, the results can be used. In this study, the mechanical treatment was carried out with a Fritsch Pulverisette-6 planetary ball mill and the transformation of the starting materials was investigated by X-ray diffractometric, Raman and Energy-dispersive X-ray spectroscopic, and transmission electron microscopic measurements.
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41
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Dolai J, Biswas A, Ray R, Jana NR. Enhanced Piezocatalysis by Calcium Phosphate Nanowires via Gold Nanoparticle Conjugation. ACS APPLIED MATERIALS & INTERFACES 2022; 14:26443-26454. [PMID: 35666829 DOI: 10.1021/acsami.2c05036] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Piezocatalytic materials have considerable application potential in wireless therapy. Most of these applications require biocompatible nanomaterials for in vivo targeting and control of intracellular processes. However, the piezocatalytic performance of a material decreases at a nanometer size regime, and most of the biocompatible materials have poor piezocatalytic efficiency. In particular, hydroxyapatite or calcium phosphate-based nanomaterials have weak piezocatalytic properties that limit the biomedical application potential. Here, we show that anisotropic shape and Au nanoparticle conjugation can enhance the piezocatalytic property of a calcium phosphate nanomaterial by 10 times and the performance approaches that of the bulk/nanoparticle form of well-known BaTiO3. The colloidal form of calcium phosphate nanowires/nanorods/nanospheres (2-5 nm diameter and 30-1000 nm length) and their Au nanoparticle (5-8 nm) composites are prepared, and their piezoelectric properties have been investigated with piezoresponse force microscopy. It has been observed that the anisotropic nanowire structure of calcium phosphate can enhance the piezoelectric property by 2 times and Au nanoparticle conjugation can enhance it up to 10 times with a piezoelectric constant value of 72 pm/V, which is close to the value of the bulk/nanoparticle form of BaTiO3. This enhanced piezoelectric property is shown to enhance the piezocatalytic reactions by 10 times. The approach has been used to design colloidal nano-bioconjugate for selective labeling of cancer cells, followed by wireless cell therapy via medical-grade ultrasound-based intracellular reactive oxygen species generation. The developed approach and material can be extended for wireless therapeutic applications and for controlling intracellular processes.
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Affiliation(s)
- Jayanta Dolai
- School of Materials Science, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Kolkata 700032, India
| | - Aritra Biswas
- School of Materials Science, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Kolkata 700032, India
| | - Reeddhi Ray
- School of Materials Science, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Kolkata 700032, India
| | - Nikhil R Jana
- School of Materials Science, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Kolkata 700032, India
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42
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Xu L, Zhang Y, Jiang H, Zhang N, Xiong R, Zhang H. Solvent Selective Effect Occurs in Iodinated Adamantanone Ferroelectrics. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2201702. [PMID: 35470590 PMCID: PMC9218660 DOI: 10.1002/advs.202201702] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 03/29/2022] [Indexed: 06/14/2023]
Abstract
Organic ferroelectrics, as a type of crystalline compound, are generally solution processing. However, for most crystalline compounds, the changing of solvent would not influence the crystalline phase, let alone their physical performance. Here, the solvent selective effect occurs in the iodinated adamantanone ferroelectrics. By changing the solvent with different polarities, the ferroelectric crystals can be induced in two different phases, which is unprecedented to the knowledge. More strikingly, this solvent-induced transformation could realize the physical performance optimization in the orthorhombic phase (orth-I-OA, obtained from ethanol) with a stronger second harmonic generation (SHG) response, greater piezoelectric coefficient d33 of 5 pC N-1 , and larger spontaneous polarization (Ps ) of 3.43 µC cm-2 than those of monoclinic one (mono-I-OA, obtained from ethyl acetate). Such an intriguing phenomenon might be closely related to solvent polarity. Based on the quantitative and qualitative analyses, the similar interaction energies of these two phases suggest that their transformation could be easily realized via changing the solvent. This work provides new insights into the chemical design and performance optimization of organic ferroelectrics.
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Affiliation(s)
- Lei Xu
- Jiangsu Key Laboratory for Science and Applications of Molecular FerroelectricsSoutheast UniversityNanjing211189P. R. China
| | - Yao Zhang
- Jiangsu Key Laboratory for Science and Applications of Molecular FerroelectricsSoutheast UniversityNanjing211189P. R. China
| | - Huan‐Huan Jiang
- Jiangsu Key Laboratory for Science and Applications of Molecular FerroelectricsSoutheast UniversityNanjing211189P. R. China
| | - Nan Zhang
- Jiangsu Key Laboratory for Science and Applications of Molecular FerroelectricsSoutheast UniversityNanjing211189P. R. China
| | - Ren‐Gen Xiong
- Jiangsu Key Laboratory for Science and Applications of Molecular FerroelectricsSoutheast UniversityNanjing211189P. R. China
| | - Han‐Yue Zhang
- State Key Laboratory of BioelectronicsSchool of Biological Science and Medical EngineeringSoutheast UniversityNanjing210096P. R. China
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43
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Zhou X, Yan F, Lyubartsev A, Shen B, Zhai J, Conesa JC, Hedin N. Efficient Production of Solar Hydrogen Peroxide Using Piezoelectric Polarization and Photoinduced Charge Transfer of Nanopiezoelectrics Sensitized by Carbon Quantum Dots. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2105792. [PMID: 35451215 PMCID: PMC9218770 DOI: 10.1002/advs.202105792] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 03/13/2022] [Indexed: 06/14/2023]
Abstract
Piezoelectric semiconductors have emerged as redox catalysts, and challenges include effective conversion of mechanical energy to piezoelectric polarization and achieving high catalytic activity. The catalytic activity can be enhanced by simultaneous irradiation of ultrasound and light, but the existing piezoelectric semiconductors have trouble absorbing visible light. A piezoelectric catalyst is designed and tested for the generation of hydrogen peroxide (H2 O2 ). It is based on Nb-doped tetragonal BaTiO3 (BaTiO3 :Nb) and is sensitized by carbon quantum dots (CDs). The photosensitizer injects electrons into the conduction band of the semiconductor, while the piezoelectric polarization directed electrons to the semiconductor surface, allowing for a high-rate generation of H2 O2 . The piezoelectric polarization field restricts the recombination of photoinduced electron-hole pairs. A production rate of 1360 µmol gcatalyst -1 h-1 of H2 O2 is achieved under visible light and ultrasound co-irradiation. Individual piezo- and photocatalysis yielded lower production rates. Furthermore, the CDs enhance the piezocatalytic activity of the BaTiO3 :Nb. It is noted that moderating the piezoelectricity of BaTiO3 :Nb via microstructure modulation influences the piezophotocatalytic activity. This work shows a new methodology for synthesizing H2 O2 by using visible light and mechanical energy.
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Affiliation(s)
- Xiaofeng Zhou
- Shanghai Key Laboratory for R&D and Application of Metallic Functional MaterialsFunctional Materials Research LaboratorySchool of Materials Science and EngineeringTongji UniversityShanghai201804China
- Department of Materials and Environmental ChemistryStockholm UniversityStockholmSE 106 91Sweden
| | - Fei Yan
- Shanghai Key Laboratory for R&D and Application of Metallic Functional MaterialsFunctional Materials Research LaboratorySchool of Materials Science and EngineeringTongji UniversityShanghai201804China
| | - Alexander Lyubartsev
- Department of Materials and Environmental ChemistryStockholm UniversityStockholmSE 106 91Sweden
| | - Bo Shen
- Shanghai Key Laboratory for R&D and Application of Metallic Functional MaterialsFunctional Materials Research LaboratorySchool of Materials Science and EngineeringTongji UniversityShanghai201804China
| | - Jiwei Zhai
- Shanghai Key Laboratory for R&D and Application of Metallic Functional MaterialsFunctional Materials Research LaboratorySchool of Materials Science and EngineeringTongji UniversityShanghai201804China
| | - José C. Conesa
- Institute of Catalysis and PetrochemistryCSICMarie Curie 2CantoblancoMadrid28049Spain
| | - Niklas Hedin
- Department of Materials and Environmental ChemistryStockholm UniversityStockholmSE 106 91Sweden
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Zamani-Alavijeh M, Morgan TA, Kuchuk AV, Salamo GJ. The Growth of Polarization Domains in Ultrathin Ferroelectric Films Seeded by the Tip of an Atomic Force Microscope. NANOSCALE RESEARCH LETTERS 2022; 17:52. [PMID: 35551539 PMCID: PMC9098744 DOI: 10.1186/s11671-022-03688-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Accepted: 04/20/2022] [Indexed: 05/22/2023]
Abstract
Piezoresponse force microscopy is used to study the velocity of the polarization domain wall in ultrathin ferroelectric barium titanate (BTO) films grown on strontium titanate (STO) substrates by molecular beam epitaxy. The electric field due to the cone of the atomic force microscope tip is demonstrated as the dominant electric field for domain expansion in thin films at lateral distances greater than about one tip diameter away from the tip. The velocity of the domain wall under the applied electric field by the tip in BTO for thin films (less than 40 nm) followed an expanding process given by Merz's law. The material constants in a fit of the data to Merz's law for very thin films are reported as about 4.2 KV/cm for the activation field, [Formula: see text], and 0.05 nm/s for the limiting velocity, [Formula: see text]. These material constants showed a dependence on the level of strain in the films, but no fundamental dependence on thickness.
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Affiliation(s)
- Mohammad Zamani-Alavijeh
- Physics Department, University of Arkansas, Nanoscience Building, 731 West Dickson, Fayetteville, AR USA
- Institute for Nanoscience and Engineering, University of Arkansas, Fayetteville, AR USA
| | - Timothy A. Morgan
- Institute for Nanoscience and Engineering, University of Arkansas, Fayetteville, AR USA
| | - Andrian V. Kuchuk
- Institute for Nanoscience and Engineering, University of Arkansas, Fayetteville, AR USA
| | - Gregory J. Salamo
- Physics Department, University of Arkansas, Nanoscience Building, 731 West Dickson, Fayetteville, AR USA
- Institute for Nanoscience and Engineering, University of Arkansas, Fayetteville, AR USA
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45
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Crystalline Phases Thermal Behaviour, Optical Energy Band Gap, and Broadband Radio Wave Frequency Dielectric Properties of PEO/PVDF Blend Films. Macromol Res 2022. [DOI: 10.1007/s13233-022-0052-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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46
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Dong W, Xiao H, Jia Y, Chen L, Geng H, Bakhtiar SUH, Fu Q, Guo Y. Engineering the Defects and Microstructures in Ferroelectrics for Enhanced/Novel Properties: An Emerging Way to Cope with Energy Crisis and Environmental Pollution. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2105368. [PMID: 35240724 PMCID: PMC9069204 DOI: 10.1002/advs.202105368] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 02/07/2022] [Indexed: 06/14/2023]
Abstract
In the past century, ferroelectrics are well known in electroceramics and microelectronics for their unique ferroelectric, piezoelectric, pyroelectric, and photovoltaic effects. Nowadays, the advances in understanding and tuning of these properties have greatly promoted a broader application potential especially in energy and environmental fields, by harvesting solar, mechanical, and heat energies. For example, high piezoelectricity and high pyroelectricity can be designed by defect or microstructure engineering for piezo- and pyro-catalyst, respectively. Moreover, highly piezoelectric and broadband (UV-Vis-NIR) light-responsive ferroelectrics can be designed via defect engineering, giving rise to a new concept of photoferroelectrics for efficient photocatalysis, piezocatalysis, pyrocatalysis, and related cocatalysis. This article first summarizes the recent developments in ferroelectrics in terms of piezoelectricity, pyroelectricity, and photovoltaic effects based on defect and microstructure engineering. Then, the potential applications in energy generation (i.e., photovoltaic effect, H2 generation, and self-powered multisource energy harvesting and signal sensing) and environmental protection (i.e., photo-piezo-pyro- cocatalytic dye degradation and CO2 reduction) are reviewed. Finally, the outlook and challenges are discussed. This article not only covers an overview of the state-of-art advances of ferroelectrics, but also prospects their applications in coping with energy crisis and environmental pollution.
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Affiliation(s)
- Wen Dong
- State Key Laboratory of Metal Matrix CompositesSchool of Materials Science and EngineeringShanghai Jiao Tong UniversityShanghai200240China
- Functional Ceramics of the Ministry of EducationSchool of Optical and Electronic Information and Engineering Research Centre & Wuhan National Lab for Optoelectronics & Optical Valley LaboratoryHuazhong University of Science and TechnologyWuhan430074China
| | - Hongyuan Xiao
- State Key Laboratory of Metal Matrix CompositesSchool of Materials Science and EngineeringShanghai Jiao Tong UniversityShanghai200240China
| | - Yanmin Jia
- School of ScienceXi'an University of Posts & TelecommunicationsXi'an710121China
| | - Long Chen
- Functional Ceramics of the Ministry of EducationSchool of Optical and Electronic Information and Engineering Research Centre & Wuhan National Lab for Optoelectronics & Optical Valley LaboratoryHuazhong University of Science and TechnologyWuhan430074China
| | - Huangfu Geng
- State Key Laboratory of Metal Matrix CompositesSchool of Materials Science and EngineeringShanghai Jiao Tong UniversityShanghai200240China
| | - Syed Ul Hasnain Bakhtiar
- Functional Ceramics of the Ministry of EducationSchool of Optical and Electronic Information and Engineering Research Centre & Wuhan National Lab for Optoelectronics & Optical Valley LaboratoryHuazhong University of Science and TechnologyWuhan430074China
| | - Qiuyun Fu
- Functional Ceramics of the Ministry of EducationSchool of Optical and Electronic Information and Engineering Research Centre & Wuhan National Lab for Optoelectronics & Optical Valley LaboratoryHuazhong University of Science and TechnologyWuhan430074China
| | - Yiping Guo
- State Key Laboratory of Metal Matrix CompositesSchool of Materials Science and EngineeringShanghai Jiao Tong UniversityShanghai200240China
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Qiu J, Gu Q, Sha Y, Huang Y, Zhang M, Luo Z. Preparation and application of dielectric polymers with high permittivity and low energy loss: A mini review. J Appl Polym Sci 2022. [DOI: 10.1002/app.52367] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Jie Qiu
- Nanjing Forestry University College of Science Nanjing Jiangsu Province China
| | - Qun Gu
- Chemistry Department Edinboro University of Pennsylvania Edinboro Pennsylvania USA
| | - Ye Sha
- Nanjing Forestry University College of Science Nanjing Jiangsu Province China
- Nanjing Forestry University Inst Polymer Mat Nanjing Jiangsu Province China
| | - Yang Huang
- Nanjing Forestry University College of Science Nanjing Jiangsu Province China
| | - Meng Zhang
- Institute of Chemical Industry of Forest Products, CAF Nanjing Jiangsu Province China
| | - Zhenyang Luo
- Nanjing Forestry University College of Science Nanjing Jiangsu Province China
- Nanjing Forestry University Inst Polymer Mat Nanjing Jiangsu Province China
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48
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Pascu G, Bunoiu OM, Bica I. Magnetic Field Effects Induced in Electrical Devices Based on Cotton Fiber Composites, Carbonyl Iron Microparticles and Barium Titanate Nanoparticles. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:888. [PMID: 35269376 PMCID: PMC8912619 DOI: 10.3390/nano12050888] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/06/2022] [Revised: 02/28/2022] [Accepted: 03/03/2022] [Indexed: 12/22/2022]
Abstract
This work consists in the process of preparing magnetic active composite materials based on cotton fibers, iron carbonyl microparticles and barium titanate nanoparticles, and the electrical devices manufactured with them. For different compositions of the aforementioned ingredients, three such composites are manufactured and compacted at constant pressure between two electrodes. In the absence and in the presence of a magnetic field, using an RLC bridge, magnetocapacitive, magnetoresistive and magnetopiezoelectric effects are highlighted in the custom fabricated devices. It is shown that these effects are significantly influenced by the composition of the materials. Based on the model elaborated in this paper, the mechanisms that contribute to the observed effects are described and the theoretical predictions are shown to agree with the experimental data. The obtained results can be used in the assembly of hybrid magnetic active composites, which are low cost, ecological and have other useful physical characteristics for applications.
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Affiliation(s)
- Gabriel Pascu
- Faculty of Physics, West University of Timisoara, 4 V. Parvan Avenue, 300223 Timisoara, Romania; (G.P.); (I.B.)
- Institute of Advanced Environmental Research, West University of Timisoara, 4 V. Parvan Avenue, 300223 Timisoara, Romania
| | - Octavian Madalin Bunoiu
- Faculty of Physics, West University of Timisoara, 4 V. Parvan Avenue, 300223 Timisoara, Romania; (G.P.); (I.B.)
- Institute of Advanced Environmental Research, West University of Timisoara, 4 V. Parvan Avenue, 300223 Timisoara, Romania
| | - Ioan Bica
- Faculty of Physics, West University of Timisoara, 4 V. Parvan Avenue, 300223 Timisoara, Romania; (G.P.); (I.B.)
- Institute of Advanced Environmental Research, West University of Timisoara, 4 V. Parvan Avenue, 300223 Timisoara, Romania
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49
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Zhang M, Falvey J, Hector AL, Garcia-Araez N. Effects of the reaction temperature and Ba/Ti precursor ratio on the crystallite size of BaTiO 3 in hydrothermal synthesis. RSC Adv 2022; 12:27809-27819. [DOI: 10.1039/d2ra03707f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Accepted: 09/17/2022] [Indexed: 11/21/2022] Open
Abstract
Nanocrystalline BaTiO3 has been prepared via a hydrothermal synthesis. Reaction conditions including synthesis temperature and Ba/Ti precursor ratio/concentration have been systematically explored to produce small crystallites of phase-pure BaTiO3.
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Affiliation(s)
- Min Zhang
- School of Chemistry, University of Southampton, Highfield, Southampton SO17 1BJ, UK
| | - Joseph Falvey
- School of Chemistry, University of Southampton, Highfield, Southampton SO17 1BJ, UK
| | - Andrew L. Hector
- School of Chemistry, University of Southampton, Highfield, Southampton SO17 1BJ, UK
| | - Nuria Garcia-Araez
- School of Chemistry, University of Southampton, Highfield, Southampton SO17 1BJ, UK
- The Faraday Institution, Quad One, Harwell Campus, Didcot OX11 0RA, UK
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50
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Jun SY, Park S, Baek NW, Lee TY, Yoo S, Jung D, Kim JY. Enhancement of dielectric performance of encapsulation in barium titanate oxide using size-controlled reduced graphene oxide. RSC Adv 2022; 12:16412-16418. [PMID: 35747533 PMCID: PMC9157740 DOI: 10.1039/d2ra01266a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Accepted: 05/23/2022] [Indexed: 11/21/2022] Open
Abstract
Ferroelectric barium titanate (BTO) powder particles were encapsulated by three different sizes of reduced graphene oxide (rGO) platelets. The size of the graphene oxide (GO) platelets is controlled by varying the horn type ultrasonic times, i.e. 0, 30, and 60 min, respectively, and they are reduced with hydrazine to obtain rGO-encapsulated BTO (rGO@BTO) film. The rGO@BTO film exhibits an increase in the dielectric characteristics due to the interfacial polarization. These improved characteristics include a dielectric constant of 194 (a large increment of 111%), along with the dielectric loss of 0.053 (a slight increment of 13%) at 1 kHz, compared to the pure BTO dielectric film. The improvement in the dielectric constant of the rGO@BTO is attributed to the encapsulation degree between the rGO platelets and BTO powder particles, which results in the interfacial polarization and micro-capacitor effect in a dielectric film, and also contributes to a low dielectric loss. Therefore, a suitable size of rGO platelets for encapsulation is essential for high-dielectric performance. The controlled graphene size affected the dielectric performance of graphene encapsulated BaTiO3 (rGO@BTO) particles. The dielectric performance increased by 33% higher than the dielectric constant after 1 h, while maintaining the low dielectric loss.![]()
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Affiliation(s)
- So-Yeon Jun
- Advanced Joining & Additive Manufacturing R&D Department, Korea Institute of Industrial Technology, Incheon 21999, Republic of Korea
- Department of Physics, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - SeungHun Park
- Department of Physics, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Nam Wuk Baek
- Department of Physics, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Tae-Young Lee
- Advanced Joining & Additive Manufacturing R&D Department, Korea Institute of Industrial Technology, Incheon 21999, Republic of Korea
| | - Sehoon Yoo
- Advanced Joining & Additive Manufacturing R&D Department, Korea Institute of Industrial Technology, Incheon 21999, Republic of Korea
| | - Donggeun Jung
- Department of Physics, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Jin-Young Kim
- Memory Division, Samsung Electronics, Hwaseong 18448, Republic of Korea
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