1
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Dong YZ, Kim HM, Choi HJ. Conducting polymer-based electro-responsive smart suspensions. CHEMICAL PAPERS 2021. [DOI: 10.1007/s11696-021-01550-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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2
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Hajiabadi SH, Aghaei H, Ghabdian M, Kalateh-Aghamohammadi M, Esmaeilnezhad E, Choi HJ. On the attributes of invert-emulsion drilling fluids modified with graphene oxide/inorganic complexes. J IND ENG CHEM 2021. [DOI: 10.1016/j.jiec.2020.10.005] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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3
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Tsai FC, Huang CF, Lu CH, Chen JK. Cr(VI) visualization via transmittance of electrorheological display medium with core/shell polystyrene/polyvinyltetrazole microspheres. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 743:140676. [PMID: 32653712 DOI: 10.1016/j.scitotenv.2020.140676] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 06/30/2020] [Accepted: 06/30/2020] [Indexed: 06/11/2023]
Abstract
In the course of time, significant amounts of heavy-ion pollutants have been dispersed into the environment. Rapid on-site detection of heavy metal ions is crucial to monitor their dispersion in the nascent stages. In this study, 2.2-μm-diameter polystyrene microspheres (PSM) were synthesized via emulsifier-free polymerization to coat polyacrylonitrile (PSM@PAN) and form core/shell-structured microspheres. Core/shell polystyrene/polyvinyltetrazole (PSM@PVT) microspheres were obtained after a cyano-to-tetrazole conversion reaction, loaded in an electrorheological device (ERD) display constructed using two indium tin oxide glasses with a spacer seal. The ERD loading dispersed the microsphere solution by scattering light through the ERD, resulting in a low transmittance in the absence of an alternating electric field (AEF). Particles in the fluid medium were polarized to induce negative and positive charges at each end of the particles under the AEF, and the resultant particle chains enhanced transmittance. The optimal frequency to generate the highest degree of particle chaining in the presence of an AEF is defined as its characteristic frequency (Fc), which also serves as an indicator to identify the shell materials. The Fc of PSM@PVT shifted from 350 kHz to 30 kHz after adsorbing Cr(VI) from the PVT coating. Transmittance of the ERD loading of PSM@PVT with Cr(VI) increased linearly with the concentration of Cr(VI). Approximately 40 ng mL-1 of the limit of detection was calculated in the linear range of 10-540 ng mL-1. The Fc of the PSM@PVT adsorbing the Cr(VI) was not influenced by Na(I), K(I), Ca(II), Mg(II), Fe(III), and Zn(II) coexisting in the ERD.
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Affiliation(s)
- Fang-Chang Tsai
- Hubei Key Laboratory of Polymer Materials, Key Laboratory for the Green Preparation and Application of Functional Materials (Ministry of Education), Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, School of Materials Science and Engineering, Hubei University, Wuhan 430062, China; Department of Materials and Science Engineering, National Taiwan University of Science and Technology, 43, Sec. 4, Keelung Road, Taipei 106, Taiwan.
| | - Chih-Feng Huang
- Department of Chemical Engineering, i-Center for Advanced Science and Technology (iCAST), National Chung Hsing University, 145 Xingda Road, South District, Taichung 40227, Taiwan
| | - Chien-Hsing Lu
- Department of Obstetrics and Gynecology, Taichung Veterans General Hospital, Taichung 40705, Taiwan; Ph. D. Program in Translational Medicine, Rong Hsing Research Center for Translational Medicine, National Chung Hsing University, Taichung 40227, Taiwan.
| | - Jem-Kun Chen
- Department of Materials and Science Engineering, National Taiwan University of Science and Technology, 43, Sec. 4, Keelung Road, Taipei 106, Taiwan; R&D Center for Membrane Technology, Chung Yuan Christian University, Chungli, Taoyuan 32043, Taiwan.
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4
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Poly(2,5-dimethoxyaniline) coated polystyrene microspheres and their electrorheological characteristics. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.125375] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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5
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Chen GY, Chang CJ, Lu CH, Chen JK. Electrorheological display loading medium of core/shell polystyrene/polyvinyltetrazole microspheres for on-site visualization of lead(II). POLYMER 2020. [DOI: 10.1016/j.polymer.2020.122805] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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6
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Nanoparticles Functionalized by Conducting Polymers and Their Electrorheological and Magnetorheological Applications. Polymers (Basel) 2020; 12:polym12010204. [PMID: 31941163 PMCID: PMC7023545 DOI: 10.3390/polym12010204] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2019] [Revised: 12/25/2019] [Accepted: 01/06/2020] [Indexed: 11/17/2022] Open
Abstract
Conducting polymer-coated nanoparticles used in electrorheological (ER) and magnetorheological (MR) fluids are reviewed along with their fabrication methods, morphologies, thermal properties, sedimentation stabilities, dielectric properties, and ER and MR characteristics under applied electric or magnetic fields. After functionalization of the conducting polymers, the nanoparticles exhibited properties suitable for use as ER materials, and materials in which magnetic particles are used as a core could also be applied as MR materials. The conducting polymers covered in this study included polyaniline and its derivatives, poly(3,4-ethylenedioxythiophene), poly(3-octylthiophene), polypyrrole, and poly(diphenylamine). The modified nanoparticles included polystyrene, poly(methyl methacrylate), silica, titanium dioxide, maghemite, magnetite, and nanoclay. This article reviews many core-shell structured conducting polymer-coated nanoparticles used in ER and MR fluids and is expected to contribute to the understanding and development of ER and MR materials.
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7
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Kwon SH, Park IH, Vu CM, Choi HJ. Fabrication and electro-responsive electrorheological characteristics of rice husk-based nanosilica suspension. J Taiwan Inst Chem Eng 2019. [DOI: 10.1016/j.jtice.2018.08.018] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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8
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Krzton-Maziopa A, Oratowska J, Zukowska G, Plocharski J. Microstructure and viscoelasticity of electrorheological suspensions with hybrid core-shell microspheres. POLYM ADVAN TECHNOL 2018. [DOI: 10.1002/pat.4360] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
| | - Joanna Oratowska
- Warsaw University of Technology; Noakowskiego 3 00-664 Warszawa Poland
| | - Grazyna Zukowska
- Warsaw University of Technology; Noakowskiego 3 00-664 Warszawa Poland
| | - Janusz Plocharski
- Warsaw University of Technology; Noakowskiego 3 00-664 Warszawa Poland
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9
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Dong YZ, Han WJ, Choi HJ. Polyaniline Coated Core-Shell Typed Stimuli-Responsive Microspheres and Their Electrorheology. Polymers (Basel) 2018; 10:E299. [PMID: 30966334 PMCID: PMC6414992 DOI: 10.3390/polym10030299] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2018] [Revised: 03/01/2018] [Accepted: 03/05/2018] [Indexed: 11/17/2022] Open
Abstract
Functional core-shell-structured particles have attracted considerable attention recently. This paper reviews the synthetic methods and morphologies of various electro-stimuli responsive polyaniline (PANI)-coated core-shell-type microspheres, including PANI-coated Fe₃O₄, SiO₂, Fe₂O₃, TiO₂, poly(methyl methacrylate), poly(glycidyl methacrylate), and polystyrene along with their electrorheological (ER) characteristics when prepared by dispersing these particles in an insulating medium. In addition to the various rheological characteristics and their analysis, such as shear stress and yield stress of their ER fluids, this paper summarizes some of the mechanisms proposed for ER fluids to further understand the responses of ER fluids to an externally applied electric field.
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Affiliation(s)
- Yu Zhen Dong
- Department of Polymer Science and Engineering, Inha University, Incheon 22212, Korea.
| | - Wen Jiao Han
- Department of Polymer Science and Engineering, Inha University, Incheon 22212, Korea.
| | - Hyoung Jin Choi
- Department of Polymer Science and Engineering, Inha University, Incheon 22212, Korea.
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10
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Preparation and morphology characterization of core-shell water-dispersible polystyrene/poly(3,4-ethylenedioxythiophene) microparticles. Colloid Polym Sci 2018. [DOI: 10.1007/s00396-018-4294-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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11
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Hu X, Huang Z, Zhou X, Li P, Wang Y, Huang Z, Su M, Ren W, Li F, Li M, Chen Y, Song Y. Wearable Large-Scale Perovskite Solar-Power Source via Nanocellular Scaffold. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2017; 29:1703236. [PMID: 28885738 DOI: 10.1002/adma.201703236] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2017] [Revised: 07/26/2017] [Indexed: 06/07/2023]
Abstract
Dramatic advances in perovskite solar cells (PSCs) and the blossoming of wearable electronics have triggered tremendous demands for flexible solar-power sources. However, the fracturing of functional crystalline films and transmittance wastage from flexible substrates are critical challenges to approaching the high-performance PSCs with flexural endurance. In this work, a nanocellular scaffold is introduced to architect a mechanics buffer layer and optics resonant cavity. The nanocellular scaffold releases mechanical stresses during flexural experiences and significantly improves the crystalline quality of the perovskite films. The nanocellular optics resonant cavity optimizes light harvesting and charge transportation of devices. More importantly, these flexible PSCs, which demonstrate excellent performance and mechanical stability, are practically fabricated in modules as a wearable solar-power source. A power conversion efficiency of 12.32% for a flexible large-scale device (polyethylene terephthalate substrate, indium tin oxide-free, 1.01 cm2 ) is achieved. This ingenious flexible structure will enable a new approach for development of wearable electronics.
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Affiliation(s)
- Xiaotian Hu
- Key Laboratory of Green Printing, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry Chinese Academy of Sciences (ICCAS), Beijing Engineering Research Center of Nanomaterials for Green Printing Technology, National Laboratory for Molecular Sciences (BNLMS), Beijing, 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Zengqi Huang
- College of Chemistry/Institute of Polymers, Nanchang University, Nanchang, 330031, P. R. China
| | - Xue Zhou
- Key Laboratory of Green Printing, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry Chinese Academy of Sciences (ICCAS), Beijing Engineering Research Center of Nanomaterials for Green Printing Technology, National Laboratory for Molecular Sciences (BNLMS), Beijing, 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Pengwei Li
- Key Laboratory of Green Printing, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry Chinese Academy of Sciences (ICCAS), Beijing Engineering Research Center of Nanomaterials for Green Printing Technology, National Laboratory for Molecular Sciences (BNLMS), Beijing, 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Yang Wang
- Key Laboratory of Green Printing, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry Chinese Academy of Sciences (ICCAS), Beijing Engineering Research Center of Nanomaterials for Green Printing Technology, National Laboratory for Molecular Sciences (BNLMS), Beijing, 100190, P. R. China
| | - Zhandong Huang
- Key Laboratory of Green Printing, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry Chinese Academy of Sciences (ICCAS), Beijing Engineering Research Center of Nanomaterials for Green Printing Technology, National Laboratory for Molecular Sciences (BNLMS), Beijing, 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Meng Su
- Key Laboratory of Green Printing, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry Chinese Academy of Sciences (ICCAS), Beijing Engineering Research Center of Nanomaterials for Green Printing Technology, National Laboratory for Molecular Sciences (BNLMS), Beijing, 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Wanjie Ren
- Key Laboratory of Green Printing, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry Chinese Academy of Sciences (ICCAS), Beijing Engineering Research Center of Nanomaterials for Green Printing Technology, National Laboratory for Molecular Sciences (BNLMS), Beijing, 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Fengyu Li
- Key Laboratory of Green Printing, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry Chinese Academy of Sciences (ICCAS), Beijing Engineering Research Center of Nanomaterials for Green Printing Technology, National Laboratory for Molecular Sciences (BNLMS), Beijing, 100190, P. R. China
| | - Mingzhu Li
- Key Laboratory of Green Printing, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry Chinese Academy of Sciences (ICCAS), Beijing Engineering Research Center of Nanomaterials for Green Printing Technology, National Laboratory for Molecular Sciences (BNLMS), Beijing, 100190, P. R. China
| | - Yiwang Chen
- College of Chemistry/Institute of Polymers, Nanchang University, Nanchang, 330031, P. R. China
| | - Yanlin Song
- Key Laboratory of Green Printing, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry Chinese Academy of Sciences (ICCAS), Beijing Engineering Research Center of Nanomaterials for Green Printing Technology, National Laboratory for Molecular Sciences (BNLMS), Beijing, 100190, P. R. China
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12
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Piao SH, Gao CY, Choi HJ. Sulfonated polystyrene nanoparticles coated with conducting polyaniline and their electro-responsive suspension characteristics under electric fields. POLYMER 2017. [DOI: 10.1016/j.polymer.2017.09.004] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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13
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Electrically conducting polymeric microspheres comprised of sulfonated polystyrene cores coated with poly(3,4-ethylenedioxythiophene). Colloid Polym Sci 2017. [DOI: 10.1007/s00396-017-4101-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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14
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Swelling-diffusion-interfacial polymerized core-shell typed polystyrene/poly(3, 4-ethylenedioxythiophene) microspheres and their electro-responsive characteristics. POLYMER 2017. [DOI: 10.1016/j.polymer.2017.03.027] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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15
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Lin J, Zhang H, Liang J, Deng J. Helical Polymer Particles Derived from Aromatic Acetylenics and Prepared by Suspension Polymerization. MACROMOL CHEM PHYS 2015. [DOI: 10.1002/macp.201500229] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Jiangfeng Lin
- State Key Laboratory of Chemical Resource Engineering College of Materials Science and Engineering; Beijing University of Chemical Technology; Beijing 100029 P.R. China
| | - Haiyang Zhang
- State Key Laboratory of Chemical Resource Engineering College of Materials Science and Engineering; Beijing University of Chemical Technology; Beijing 100029 P.R. China
| | - Junya Liang
- State Key Laboratory of Chemical Resource Engineering College of Materials Science and Engineering; Beijing University of Chemical Technology; Beijing 100029 P.R. China
| | - Jianping Deng
- State Key Laboratory of Chemical Resource Engineering College of Materials Science and Engineering; Beijing University of Chemical Technology; Beijing 100029 P.R. China
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16
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Charge carrier relaxation studies in poly (3, 4-ethylenedioxythiophene) nanofibers. JOURNAL OF POLYMER RESEARCH 2015. [DOI: 10.1007/s10965-015-0768-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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17
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Massoumi B, Alipour N, Fathalipour S, Jaymand M. Nanostructured poly(2,2′-bithiophene-co-3,4-ethylenedioxythiophene). HIGH PERFORM POLYM 2015. [DOI: 10.1177/0954008314541821] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
This article describes the synthesis and characterization of poly(2,2′-bithiophene) (PBT), poly(3,4-ethylenedioxythiophene) (PEDOT), and poly(2,2′-bithiophene- co-3,4-ethylenedioxythiophene) (P(BT- co-EDOT)) copolymers via chemical and electrochemical oxidation polymerization methods. The P(BT- co-EDOT) nanoparticles made of conjugated polymers with different feed ratios of monomers were synthesized by chemical polymerization in the presence of anhydrous ferric chloride and mixtures of acetonitrile (CH3CN) and dichloromethane as a binary organic solvent. The polymers obtained were characterized by means of Fourier transform infrared and ultraviolet–visible spectroscopy, and their thermal behaviors were examined by thermogravimetric analysis. The electrical conductivity of the samples was measured using samples in which the conductive materials were sandwiched between two nickel electrodes at room temperature. The surface morphology and crystallinity of the synthesized samples were observed by scanning electron microscopy and X-ray diffractometer, respectively. In electrochemical method, copolymer thin films were prepared with different feed ratios of monomers by cyclic voltammetry in an CH3CN-tetrabutheylamonium perchlorate solvent–electrolyte couple on the surface of the glassy carbon microelectrode as the working electrode. Deposition conditions and influence of the molar ratios of monomers on the electroactivity were investigated under cyclic voltammetric conditions.
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Affiliation(s)
- Bakhshali Massoumi
- Department of Chemistry, Payame Noor University, Tehran, Islamic Republic of Iran
| | - Nastaran Alipour
- Department of Chemistry, Payame Noor University, Tehran, Islamic Republic of Iran
| | - Soghra Fathalipour
- Department of Chemistry, Payame Noor University, Tehran, Islamic Republic of Iran
| | - Mehdi Jaymand
- Research Center for Pharmaceutical Nanotechnology, Tabriz University of Medical Sciences, Tabriz, Islamic Republic of Iran
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18
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Kwon SH, Liu YD, Choi HJ. Monodisperse poly(2-methylaniline) coated polystyrene core–shell microspheres fabricated by controlled releasing process and their electrorheological stimuli-response under electric fields. J Colloid Interface Sci 2015; 440:9-15. [DOI: 10.1016/j.jcis.2014.10.068] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2014] [Revised: 10/25/2014] [Accepted: 10/28/2014] [Indexed: 10/24/2022]
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19
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Kim SH, Kim JH, Choi HJ, Park J. Pickering emulsion polymerized poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate)/polystyrene composite particles and their electric stimuli-response. RSC Adv 2015. [DOI: 10.1039/c5ra10661c] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
We report a facile synthesis of Pickering emulsion polymerized poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate)/polystyrene composite particles and their electrorheology.
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Affiliation(s)
- So Hee Kim
- Department of Polymer Science and Engineering
- Inha University
- Incheon 402-751
- Korea
| | - Jung Hyun Kim
- Department of Polymer Science and Engineering
- Inha University
- Incheon 402-751
- Korea
| | - Hyoung Jin Choi
- Department of Polymer Science and Engineering
- Inha University
- Incheon 402-751
- Korea
| | - Jaehoon Park
- Department of Electronic Engineering
- Hallym University
- Chuncheon 200-702
- Korea
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20
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Erol O, Unal HI. Core/shell-structured, covalently bonded TiO2/poly(3,4-ethylenedioxythiophene) dispersions and their electrorheological response: the effect of anisotropy. RSC Adv 2015. [DOI: 10.1039/c5ra20284a] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Higher surface area, rod-to-rod interactions and conducting thin shell induced covalently-bonded core/shell nanorod-TiO2/PEDOT nanocomposite to show stronger ER activity and higher recovery after stress loading compared to particulate one.
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Affiliation(s)
- O. Erol
- Gazi University
- Chemistry Department
- Smart Materials Research Lab
- Ankara 06500
- Turkey
| | - H. I. Unal
- Gazi University
- Chemistry Department
- Smart Materials Research Lab
- Ankara 06500
- Turkey
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21
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Preparation of rod-shaped polythiophene-coated polystyrene nanocomposite particles. Colloid Polym Sci 2014. [DOI: 10.1007/s00396-014-3376-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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22
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Kim HY, Choi HJ. Core–shell structured poly(2-ethylaniline) coated crosslinked poly(methyl methacrylate) nanoparticles by graft polymerization and their electrorheology. RSC Adv 2014. [DOI: 10.1039/c4ra04799k] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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23
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Wang J, Fang BS, Chou KY, Chen CC, Gu Y. A two-stage enzymatic synthesis of conductive poly(3,4-ethylenedioxythiophene). Enzyme Microb Technol 2013; 54:45-50. [PMID: 24267567 DOI: 10.1016/j.enzmictec.2013.10.002] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2013] [Revised: 10/03/2013] [Accepted: 10/05/2013] [Indexed: 10/26/2022]
Abstract
The conductive polymer, poly(3,4-ethylenedioxythiophene) (PEDOT), possesses attractive properties that show the potential applications in many fields. In this study, we have proposed a two-stage enzymatic synthesis of conductive PEDOT. Horseradish peroxidase (HRP) acts as the catalyst to promote the generation of EDOT free radicals followed by the polymerization under the room temperature in the presence of poly(sodium 4-styrenesulfonate) (PSS), then a mild heating process is employed for further chain extension. The final PEDOT:PSS is purified with n-butanol and subjected to various characterizations, which indicate that PEDOT with enzymatic approach exhibits a similar molecular structure to that with chemical method. However, the enzymatically synthesized PEDOT:PSS demonstrates advantages, such as stable integration of PEDOT with PSS and better electrochemical properties, suggesting its future prospective applications.
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Affiliation(s)
- Jing Wang
- Chemical and Biochemical Engineering, Xiamen University, Xiamen, PR China
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24
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Oh SY, Oh MK, Kang TJ. Characterization and electrorheological response of silica/titania-coated MWNTs synthesized by sol–gel process. Colloids Surf A Physicochem Eng Asp 2013. [DOI: 10.1016/j.colsurfa.2013.06.037] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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25
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Aliotta F, Calandra P, Pochylski M, Ponterio RC, Salvato G, Vasi C. Enhancement of electrorheological effect by particle-fluid interaction. PHYSICAL REVIEW. E, STATISTICAL, NONLINEAR, AND SOFT MATTER PHYSICS 2013; 87:062304. [PMID: 23848672 DOI: 10.1103/physreve.87.062304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2013] [Indexed: 06/02/2023]
Abstract
The influence of interactions between particle surface and host fluids in electrorheological suspensions is explored. It is observed that dispersions of nanosized particles of titania in octanoid acid exhibit an anomalously large electrorheologic effect when compared with a similar dispersion of micrometric particles or with a more conventional colloidal suspension of silica in silicone oil. The effect is interpreted as originated by the formation of a thin layer of octanoid acid molecules with the surface of the titania solid particle. The experimental data are fitted with the outcomes of a modified version of conductive models existing in the literature. It is suggested that anomalous large electrorheological effect is mainly originated by the increasing of the effective radius of the nanometric particles, which results in an increasing of the effective volume fraction of the dispersed phase. It is also shown that the deformation of the soft shell around the solid particles, induced by Coulombic force, plays a not negligible role. Some hints for tailoring electrorheologic fluids suitable for different applications are proposed.
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Affiliation(s)
- F Aliotta
- CNR-Istituto per i Processi Chimico-Fisici, Viale Ferdinando Stagno d'Alcontres 37, I-98158 Messina, Italy.
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Synthesis and electrical response of polyaniline/poly(styrene sulfonate)-coated silica spheres prepared by seed-coating method. J Colloid Interface Sci 2013; 398:33-8. [DOI: 10.1016/j.jcis.2013.01.066] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2012] [Revised: 01/12/2013] [Accepted: 01/28/2013] [Indexed: 11/23/2022]
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27
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Polymeric colloidal magnetic composite microspheres and their magneto-responsive characteristics. Macromol Res 2013. [DOI: 10.1007/s13233-012-0198-8] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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28
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New electrorheological fluid obtained from mercaptosilsesquioxane-modified silicate suspensions. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2013; 33:133-9. [DOI: 10.1016/j.msec.2012.08.019] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2012] [Revised: 06/16/2012] [Accepted: 08/10/2012] [Indexed: 11/22/2022]
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29
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Zhang WL, Liu YD, Choi HJ, Seo Y. Core–shell structured graphene oxide-adsorbed anisotropic poly(methyl methacrylate) microparticles and their electrorheology. RSC Adv 2013. [DOI: 10.1039/c3ra22411b] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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30
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Liu YD, Choi HJ. Recent progress in smart polymer composite particles in electric and magnetic fields. POLYM INT 2012. [DOI: 10.1002/pi.4441] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Ying Dan Liu
- Department of Polymer Science and Engineering; Inha University; Incheon 402-751 Korea
| | - Hyoung Jin Choi
- Department of Polymer Science and Engineering; Inha University; Incheon 402-751 Korea
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31
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Li CL, Chen JK, Fan SK, Ko FH, Chang FC. Electrorheological operation of low-/high-permittivity core/shell SiO2/Au nanoparticle microspheres for display media. ACS APPLIED MATERIALS & INTERFACES 2012; 4:5650-5661. [PMID: 23016596 DOI: 10.1021/am301543h] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
In this study, we synthesized core/shell structures comprising monodisperse 3-μm SiO(2) microspheres and gold nanoparticles (AuNPs, ca. 6.7 nm) as the core and shell components, respectively. Using a layer-by-layer cross-linking process with a dithiol cross-linking agent, we prepared low-permittivity AuNP-encapsulated high-permittivity SiO(2) core/shell microspheres with variable AuNP shell thicknesses. The dispersivity of the microspheres in solution was enhanced after grafting poly(ethylene glycol) monomethyl ether thiol (PEG-SH) onto the AuNP layer on the SiO(2) microspheres. Transmission electron microscopy (TEM) and scanning electron microscopy (SEM) images revealed sesame ball-like structures for these SiO(2)@AuNP@PEG microspheres. We encapsulated aqueous dispersions of these SiO(2)@AuNP microspheres into sandwich structured displays (SSDs) to investigate their electrorheological properties, observing reversibly electroresponsive transmittance that is ideally suited for display applications. Increasing the thickness of the AuNP layer dramatically enhanced the stringing behavior of the SiO(2) microspheres, resulting in increased transmittance of the SSD. The response time of the electroresponsive electrorheological fluids also decreased significantly after modifying the SiO(2) with the AuNP layers. The effective permittivities of these composites could be predicted from the real (έ) and imaginary (έ́) parts of the Clausius-Mossotti formalism.
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Affiliation(s)
- Chung-Lin Li
- Department of Materials and Science Engineering, National Taiwan University of Science and Technology, 43, Sec. 4, Keelung Road, Taipei, 106, Taiwan, Republic of China
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32
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Zhang K, Zhang WL, Choi HJ. Facile fabrication of self-assembled PMMA/graphene oxide composite particles and their electroresponsive properties. Colloid Polym Sci 2012. [DOI: 10.1007/s00396-012-2814-8] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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33
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Ni W, Wu S, Ren Q. Preparation and Characterization of Silanized TiO2 Nanoparticles and Their Application in Toner. Ind Eng Chem Res 2012. [DOI: 10.1021/ie302249v] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Weishuang Ni
- School of Chemistry and Chemical Engineering, South China University of Technology, 381 Wushan Road, Guangzhou
510641, China,
| | - Songping Wu
- School of Chemistry and Chemical Engineering, South China University of Technology, 381 Wushan Road, Guangzhou
510641, China,
| | - Qun Ren
- ICMI Co., Ltd., 15 Pingbei 1 Road, Zhuhai, Guangdong
519100, China
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34
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Wu J, Xu G, Cheng Y, Liu F, Guo J, Cui P. The influence of high dielectric constant core on the activity of core–shell structure electrorheological fluid. J Colloid Interface Sci 2012; 378:36-43. [DOI: 10.1016/j.jcis.2012.04.044] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2012] [Revised: 04/14/2012] [Accepted: 04/16/2012] [Indexed: 11/28/2022]
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35
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Liu YD, Lee BM, Kim JE, Choi HJ, Park TS, Booh SW. Transparent thiourea treated silica suspension through refractive index matching method and its electrorheology. Colloids Surf A Physicochem Eng Asp 2012. [DOI: 10.1016/j.colsurfa.2012.01.037] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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36
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Ren B, Ruditskiy A, Song JHK, Kretzschmar I. Assembly behavior of iron oxide-capped Janus particles in a magnetic field. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2012; 28:1149-56. [PMID: 22149478 DOI: 10.1021/la203969f] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/15/2023]
Abstract
Three types of iron oxide Janus particles are obtained by varying the deposition rate of iron in a 3:1 Ar/O(2) atmosphere during physical vapor deposition. Each type of iron oxide Janus particle shows a distinct assembly behavior when an external magnetic field is applied, i.e., formation of staggered chains, double chains, or no assembly. A detailed deposition rate diagram is obtained to identify the relationship between deposition rate and assembly behavior. The extent of iron oxidation is identified as the key parameter in determining the assembly behavior. In addition, the effects of particle volume fraction, thickness of the iron oxide cap, and assembly time on the final assembly behavior are studied. Cap thickness is shown not to influence the assembly behavior, while particle volume fraction and assembly time affect the chain growth rate and the chain length, but not the overall assembly behavior. The samples are characterized by optical, scanning electron, and atomic force microscopies.
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Affiliation(s)
- Bin Ren
- Department of Chemical Engineering, City College of New York, City University of New York, 140th St. and Convent Ave., New York, New York 10031, USA
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37
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Liu YD, Zhang K, Zhang WL, Choi HJ. Conducting Material-incorporated Electrorheological Fluids: Core-shell Structured Spheres. Aust J Chem 2012. [DOI: 10.1071/ch12129] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Conducting material-based electro-responsive particles have become important as the smart soft matter in electrorheological (ER) fluids. These materials include conducting polymers, such as polyaniline, polypyrrole and poly(3,4-ethylenedioxythiophene), and carbon materials, such as carbon nanotubes and graphene oxide. Core-shell structured ER particles containing these materials as either core or shell species have attracted increasing interest owing to their outstanding advantages of an enhanced ER effect or diverse ER mechanism, lighter particulate density and lower cost. This paper summarizes the recent advances in synthesis methods as well as the critical characteristics of the core-shell structured particles, such as shear stress, yield stress and dielectric properties.
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Chen B, Song C, Luo X, Deng J, Yang W. Microspheres Consisting of Optically Active Helical Substituted Polyacetylenes: Preparation via Suspension Polymerization and Their Chiral Recognition/Release Properties. Macromol Rapid Commun 2011; 32:1986-92. [DOI: 10.1002/marc.201100557] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2011] [Revised: 09/28/2011] [Indexed: 12/21/2022]
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39
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Lee BM, Kim JE, Fang FF, Choi HJ, Feller JF. Rectangular-Shaped Polyaniline Tubes Covered with Nanorods and their Electrorheology. MACROMOL CHEM PHYS 2011. [DOI: 10.1002/macp.201100306] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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40
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Liu YD, Park BJ, Kim YH, Choi HJ. Smart monodisperse polystyrene/polyaniline core–shell structured hybrid microspheres fabricated by a controlled releasing technique and their electro-responsive characteristics. ACTA ACUST UNITED AC 2011. [DOI: 10.1039/c1jm12443a] [Citation(s) in RCA: 89] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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41
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Fang FF, Liu YD, Lee IS, Choi HJ. Well controlled core/shell type polymeric microspheres coated with conducting polyaniline: fabrication and electrorheology. RSC Adv 2011. [DOI: 10.1039/c1ra00325a] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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