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Huang A, Zhu Y, Peng S, Tan B, Peng X. Improved Energy Harvesting Ability of Single-Layer Binary Fiber Nanocomposite Membrane for Multifunctional Wearable Hybrid Piezoelectric and Triboelectric Nanogenerator and Self-Powered Sensors. ACS NANO 2024; 18:691-702. [PMID: 38147828 DOI: 10.1021/acsnano.3c09043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2023]
Abstract
While wearable self-powered electronic devices have shown promising improvements, substantial challenges persist in enhancing their electrical output and structural performance. In this work, a working mechanism involving simultaneous piezoelectric and triboelectric conversion within a monolayer-structured membrane is proposed. Single-layer binary fiber nanocomposite membranes (SBFNMs) (PVDF/CNTX@PAN/CNTX, DPCPCX) with two distinct interpenetrating nanocomposite fibers were created through co-electrospinning, incorporating multiwalled carbon nanotubes (CNTs) into polyvinylidene fluoride (PVDF) and polyacrylonitrile (PAN), respectively. The resulting membrane demonstrated an exceptional synergistic effect of piezoelectricity and triboelectricity along with a high machine-to-electric conversion capability. The addition of CNTs increased the PVDF β-phase and the PAN planar zigzag conformation. As a result, the DPCPC0.5-SBFNMs-based piezoelectric nanogenerator exhibited excellent electrical output (187 V, 8.0 μA, and 1.52 W m-2), maintaining an exceptionally high level of output voltage compared with other piezoelectric nanogenerators. It successfully illuminated 50 commercial light-emitting diodes simultaneously. The output voltage of DPCPC0.5-SBFNMs was 5.1 and 4.6 times higher than that of PAN or PVDF single-fiber membranes, respectively. Furthermore, the peak voltage of DPCPC0.5-SBFNMs exceeded that of co-electrospinning PVDF/CNT1.0@PAN (DPCP1.0) and PVDF@PAN/CNT1.0 (DPPC1.0) by 20 and 10 V, respectively. The piezoelectric sensor made of DPCPC0.5-SBFNMs accurately sensed human movement, ranging from tiny to large, and demonstrated utility as an alarm in medical treatment, fire fighting, and monitoring. Endogenous triboelectricity is proposed in SBFNM piezoelectric materials, enhancing electromechanical conversion and electrical output capacity, thereby promising a wide application potential in self-powered wearable electronic devices.
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Affiliation(s)
- An Huang
- Key Laboratory of Polymer Materials and Products, College of Materials Science and Engineering, Fujian University of Technology, Fuzhou, 350118, People's Republic of China
| | - Yiwei Zhu
- Key Laboratory of Polymer Materials and Products, College of Materials Science and Engineering, Fujian University of Technology, Fuzhou, 350118, People's Republic of China
| | - Shuqiang Peng
- Key Laboratory of Polymer Materials and Products, College of Materials Science and Engineering, Fujian University of Technology, Fuzhou, 350118, People's Republic of China
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, People's Republic of China
| | - Bin Tan
- Key Laboratory of Polymer Materials and Products, College of Materials Science and Engineering, Fujian University of Technology, Fuzhou, 350118, People's Republic of China
- Department of Chemical Engineering and Materials Science, Michigan State University, East Lansing, Michigan 48824, United States
| | - Xiangfang Peng
- Key Laboratory of Polymer Materials and Products, College of Materials Science and Engineering, Fujian University of Technology, Fuzhou, 350118, People's Republic of China
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2
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Ruiz Rocha JE, Moreno Tovar KR, Navarro Mendoza R, Gutiérrez Granados S, Cavaliere S, Giaume D, Barboux P, Jaime Ferrer JS. Critical Electrospinning Parameters for Synthesis Control of Stabilized Polyacrylonitrile Nanofibers. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2648. [PMID: 37836289 PMCID: PMC10574287 DOI: 10.3390/nano13192648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 09/17/2023] [Accepted: 09/18/2023] [Indexed: 10/15/2023]
Abstract
Polyacrylonitrile (PAN) fibers are widely used as precursors in the manufacture of high-conducting and mechanically resistant carbon fibers. The modulation of such fibers is carried out through electrospinning. In this work, we show the production and control of the morphology of nanometric-range PAN fibers for their potential use as precursors for high-electrical-conductivity carbon fibers. PAN samples dissolved in dimethylformamide (DMF) were prepared at 6, 10, and 12% w/w, at 15 and 25 kV. The impact of the rotation of the collector drum at 100, 300, and 500 RPM was also studied. It was found that the percentage of PAN in the solution proportionally affects the diameter of the fibers and that the preparation potential affects the morphology. The rotation speed, when increased, decreases the diameter, and it has a negative impact on the morphology. Fibers prepared with 6% w/w at 15 kV and 500 RPM show 90 nm diameters, the smallest diameter of all the samples.
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Affiliation(s)
- Juan Emmanuel Ruiz Rocha
- Departamento de Química, División de Ciencias Naturales y Exactas, Universidad de Guanajuato, Pueblito de Rocha s/n, Guanajuato 36040, Mexico; (J.E.R.R.); (R.N.M.)
- Chimie ParisTech, PSL University, Institut de Recherche de Chimie Paris, Centre National de la Recherche Scientifique, 75005 Paris, France; (D.G.); (P.B.)
| | - Karla Rebeca Moreno Tovar
- Departamento de Química, División de Ciencias Naturales y Exactas, Universidad de Guanajuato, Pueblito de Rocha s/n, Guanajuato 36040, Mexico; (J.E.R.R.); (R.N.M.)
| | - Ricardo Navarro Mendoza
- Departamento de Química, División de Ciencias Naturales y Exactas, Universidad de Guanajuato, Pueblito de Rocha s/n, Guanajuato 36040, Mexico; (J.E.R.R.); (R.N.M.)
| | - Silvia Gutiérrez Granados
- Departamento de Química, División de Ciencias Naturales y Exactas, Universidad de Guanajuato, Pueblito de Rocha s/n, Guanajuato 36040, Mexico; (J.E.R.R.); (R.N.M.)
| | - Sara Cavaliere
- ICGM, University Montpellier, CNRS, ENSCM, CEDEX 5, 34095 Montpellier, France
| | - Domitille Giaume
- Chimie ParisTech, PSL University, Institut de Recherche de Chimie Paris, Centre National de la Recherche Scientifique, 75005 Paris, France; (D.G.); (P.B.)
| | - Philippe Barboux
- Chimie ParisTech, PSL University, Institut de Recherche de Chimie Paris, Centre National de la Recherche Scientifique, 75005 Paris, France; (D.G.); (P.B.)
| | - Jesús Salvador Jaime Ferrer
- CIATEC A.C., Centro de Innovación Aplicada en Tecnología Competitiva, Omega 201, Industrial Delta, GTO, León 37545, Mexico
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Espinoza-Montero PJ, Montero-Jiménez M, Rojas-Quishpe S, Alcívar León CD, Heredia-Moya J, Rosero-Chanalata A, Orbea-Hinojosa C, Piñeiros JL. Nude and Modified Electrospun Nanofibers, Application to Air Purification. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:nano13030593. [PMID: 36770554 PMCID: PMC9919942 DOI: 10.3390/nano13030593] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 01/24/2023] [Accepted: 01/29/2023] [Indexed: 05/17/2023]
Abstract
Air transports several pollutants, including particulate matter (PM), which can produce cardiovascular and respiratory diseases. Thus, it is a challenge to control pollutant emissions before releasing them to the environment. Until now, filtration has been the most efficient processes for removing PM. Therefore, the electrospinning procedure has been applied to obtain membranes with a high filtration efficiency and low pressure drop. This review addressed the synthesis of polymers that are used for fabricating high-performance membranes by electrospinning to remove air pollutants. Then, the most influential parameters to produce electrospun membranes are indicated. The main results show that electrospun membranes are an excellent alternative to having air filters due to the versatility of the process, the capacity for controlling the fiber diameter, porosity, high filtration efficiency and low-pressure drop.
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Affiliation(s)
- Patricio J. Espinoza-Montero
- Escuela de Ciencia Químicas, Pontificia Universidad Católica del Ecuador, Quito 17012184, Ecuador
- Correspondence: ; Tel.: +593-2299-1700 (ext. 1929)
| | - Marjorie Montero-Jiménez
- Escuela de Ciencia Químicas, Pontificia Universidad Católica del Ecuador, Quito 17012184, Ecuador
| | - Stalin Rojas-Quishpe
- Facultad de Ciencias Químicas, Universidad Central del Ecuador, Quito 170521, Ecuador
| | | | - Jorge Heredia-Moya
- Centro de Investigación Biomédica (CENBIO), Facultad de Ciencias de la Salud Eugenio Espejo, Universidad UTE, Quito 170527, Ecuador
| | - Alfredo Rosero-Chanalata
- Escuela de Ciencia Químicas, Pontificia Universidad Católica del Ecuador, Quito 17012184, Ecuador
- Facultad de Ciencias Químicas, Universidad Central del Ecuador, Quito 170521, Ecuador
| | - Carlos Orbea-Hinojosa
- Departamento de Ciencias Exactas, Universidad de Las Fuerzas Armadas ESPE, Av. Gral. Rumiñahui S/N, Sangolquí P.O. Box 171-5-231B, Ecuador
| | - José Luis Piñeiros
- Escuela de Ciencia Químicas, Pontificia Universidad Católica del Ecuador, Quito 17012184, Ecuador
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Al-Abduljabbar A, Farooq I. Electrospun Polymer Nanofibers: Processing, Properties, and Applications. Polymers (Basel) 2022; 15:polym15010065. [PMID: 36616414 PMCID: PMC9823865 DOI: 10.3390/polym15010065] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 12/08/2022] [Accepted: 12/13/2022] [Indexed: 12/28/2022] Open
Abstract
Electrospun polymer nanofibers (EPNF) constitute one of the most important nanomaterials with diverse applications. An overall review of EPNF is presented here, starting with an introduction to the most attractive features of these materials, which include the high aspect ratio and area to volume ratio as well as excellent processability through various production techniques. A review of these techniques is featured with a focus on electrospinning, which is the most widely used, with a detailed description and different types of the process. Polymers used in electrospinning are also reviewed with the solvent effect highlighted, followed by a discussion of the parameters of the electrospinning process. The mechanical properties of EPNF are discussed in detail with a focus on tests and techniques used for determining them, followed by a section for other properties including electrical, chemical, and optical properties. The final section is dedicated to the most important applications for EPNF, which constitute the driver for the relentless pursuit of their continuous development and improvement. These applications include biomedical application such as tissue engineering, wound healing and dressing, and drug delivery systems. In addition, sensors and biosensors applications, air filtration, defense applications, and energy devices are reviewed. A brief conclusion is presented at the end with the most important findings and directions for future research.
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Narváez‐Muñoz C, Zamora‐Ledezma C, Ryzhakov P, Pons‐Prats J, Elango J, Mena C, Navarrete F, Morales‐Flórez V, Cano‐Crespo R, Segura LJ. Improving
glass‐fiber
epoxy composites via interlayer toughening with polyacrylonitrile/multiwalled carbon nanotubes electrospun fibers. J Appl Polym Sci 2022. [DOI: 10.1002/app.53400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
- Christian Narváez‐Muñoz
- Escola Tècnica Superior d'Enginyers de Camins, Canals i Ports, C/Jordi Girona 1, Campus Nord UPC Universitat Politècnica de Catalunya—Barcelonatech (UPC) Barcelona Spain
- Centre Internacional de Mètodes Numérics en Enginyeria (CIMNE), C/Gran Capitán s/n, Campus Nord UPC ‐ Universitat Politècnica de Catalunya Barcelona Spain
| | | | - Pavel Ryzhakov
- Escola Tècnica Superior d'Enginyers de Camins, Canals i Ports, C/Jordi Girona 1, Campus Nord UPC Universitat Politècnica de Catalunya—Barcelonatech (UPC) Barcelona Spain
- Centre Internacional de Mètodes Numérics en Enginyeria (CIMNE), C/Gran Capitán s/n, Campus Nord UPC ‐ Universitat Politècnica de Catalunya Barcelona Spain
| | - Jordi Pons‐Prats
- Centre Internacional de Mètodes Numérics en Enginyeria (CIMNE), C/Gran Capitán s/n, Campus Nord UPC ‐ Universitat Politècnica de Catalunya Barcelona Spain
- Department of Physics, Aeronautics Division Universitat Politècnica de Catalunya, Barcelona Tech (UPC) Castelldefels Spain
| | - Jeevithan Elango
- Department of Biomaterials Engineering, Faculty of Health Sciences UCAM‐Universidad Católica San Antonio de Murcia Murcia Spain
| | - Carlos Mena
- Universidad de las Fuerzas Armadas (ESPE) Sangolquí Ecuador
| | | | - Víctor Morales‐Flórez
- Departamento de Física de la Materia Condensada Universidad de Sevilla Seville Spain
| | - Rafael Cano‐Crespo
- Departamento de Física de la Materia Condensada Universidad de Sevilla Seville Spain
| | - Luis Javier Segura
- Universidad de las Fuerzas Armadas (ESPE) Sangolquí Ecuador
- Industrial Engineering Department University of Louisville Louisville Kentucky USA
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Gao Y, Yu L, Li Y, Wei L, Yin J, Wang F, Wang L, Mao J. Maple Leaf Inspired Conductive Fiber with Hierarchical Wrinkles for Highly Stretchable and Integratable Electronics. ACS APPLIED MATERIALS & INTERFACES 2022; 14:49059-49071. [PMID: 36251510 DOI: 10.1021/acsami.2c12746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Stretchable and durable conductors are significant to the development of wearable devices, robots, human-machine interfaces, and other artificial intelligence products. However, the desirable strain-insensitive conductivity and low hysteresis are restricted by the failure of stretchable structures and mismatch of mechanical properties (rigid conductive layer and elastic core substrate) under large deformation. Here, based on the principles of fractal geometry, a stretchable conductive fiber with hierarchical wrinkles inspired by the unique shape of the maple leaf was fabricated by combining surface modification, interfacial polymerization, and improved prestrain finishing methods to break through this dilemma. The shape and size of wrinkles predicted by buckling analysis via the finite element method fit well with that of actual wrinkles (30-80 μm of macro wrinkles and 4-6 μm of micro wrinkles) on the fabricated fiber. Such hierarchically wrinkled conductive fiber (HWCF) exhibited not only excellent strain-insensitive conductivity denoted by the relative resistance change ΔR/R0 = 0.66 with R0 the original resistance and ΔR the change of resistance after the concrete strain reaching up to 600%, but also low hysteresis (0.04) calculated by the difference in area between stretching and releasing curve of the ΔR/R0 strain under 300% strain and long-term durability (>1000 stretching-releasing cycles). Furthermore, the elastic conductive fiber with such a bionic structure design can be applied as highly stretchable electrical circuits for illumination and monitors for the human motion under large strains through tiny and rapid resistance changes as well. Such a smart biomimetic material holds great prospects in the field of stretchable electronics.
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Affiliation(s)
- Yaya Gao
- Key Laboratory of Textile Science & Technology, Ministry of Education, College of Textiles, Donghua University, Shanghai201620, China
| | - Lingyao Yu
- Guangxi Key Laboratory of Optoelectronic Information Processing, School of Optoelectronic Engineering, Guilin University of Electronic Technology, Guilin541004, China
| | - Yimeng Li
- Key Laboratory of Textile Science & Technology, Ministry of Education, College of Textiles, Donghua University, Shanghai201620, China
| | - Leqian Wei
- Key Laboratory of Textile Science & Technology, Ministry of Education, College of Textiles, Donghua University, Shanghai201620, China
| | - Jun Yin
- Guangxi Key Laboratory of Optoelectronic Information Processing, School of Optoelectronic Engineering, Guilin University of Electronic Technology, Guilin541004, China
| | - Fujun Wang
- Key Laboratory of Textile Science & Technology, Ministry of Education, College of Textiles, Donghua University, Shanghai201620, China
- Key Laboratory of Textile Industry for Biomedical Textile Materials and Technology, Donghua University, Shanghai201620, China
| | - Lu Wang
- Key Laboratory of Textile Science & Technology, Ministry of Education, College of Textiles, Donghua University, Shanghai201620, China
- Key Laboratory of Textile Industry for Biomedical Textile Materials and Technology, Donghua University, Shanghai201620, China
| | - Jifu Mao
- Key Laboratory of Textile Science & Technology, Ministry of Education, College of Textiles, Donghua University, Shanghai201620, China
- Key Laboratory of Textile Industry for Biomedical Textile Materials and Technology, Donghua University, Shanghai201620, China
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7
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Martin AMV, Flores DC, Siacor FDC, Taboada EB, Tan NPB. Preparation of mango peel-waste pectin-based nanofibers by solution blow spinning (SBS). NANOTECHNOLOGY 2022; 33:495602. [PMID: 35994941 DOI: 10.1088/1361-6528/ac8b8b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2022] [Accepted: 08/21/2022] [Indexed: 06/15/2023]
Abstract
An essential prerequisite for successful solution blow spinning (SBS) is the presence of effective molecular entanglements of polymers in the solution. However, the fabrication of biopolymer fibers is not as straightforward as synthetic polymers. Particularly for biopolymers such as pectin, molecular entanglements are essential but insufficient for successful spinning through the SBS production method. Such a challenge is due to the biopolymer's complex nature. However, incorporating an easily spinnable polymer precursor, such as polyacrylonitrile (PAN), to pectin effectively enabled the production of fibers from the SBS process. In this process, PAN-assisted pectin nanofibers are produced with average diameters ranging from 410.75 ± 3.73 to 477.09 ± 6.60 nm using a feed flow rate of 5 ml h-1, air pressure of 3 bars, syringe tip to collector distance at 30 cm, and spinning time of 10 min. PAN in DMSO solvent at different volume ratios (i.e. 35%-55% v/v) was critical in assisting pectin to produce nanofibers. The addition of a high molecular weight polymer, PAN, to pectin also improved the viscoelasticity of the solution, eventually contributing to its successful SBS process. Furthermore, the composite SBS-spun fibers obtained suggest that its formation is concentration-dependent.
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Affiliation(s)
- Alvin Mar V Martin
- Department of Chemical Engineering, University of San Carlos, Nasipit, Talamban, Cebu City, 6000, The Philippines
| | - Dharyl C Flores
- Department of Chemical Engineering, University of San Carlos, Nasipit, Talamban, Cebu City, 6000, The Philippines
| | - Francis Dave C Siacor
- Department of Chemical Engineering, University of San Carlos, Nasipit, Talamban, Cebu City, 6000, The Philippines
| | - Evelyn B Taboada
- Department of Chemical Engineering, University of San Carlos, Nasipit, Talamban, Cebu City, 6000, The Philippines
| | - Noel Peter B Tan
- Department of Chemical Engineering, College of Technology, University of San Agustin, Iloilo City, 5000, The Philippines
- Center for Advanced New Materials, Engineering, and Emerging Technologies (CANMEET), University of San Agustin, Iloilo City, 5000, The Philippines
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8
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Wang J, Sun Y, Zhao X, Chen L, Peng S, Ma C, Duan G, Liu Z, Wang H, Yuan Y, Wang N. A poly(amidoxime)-modified MOF macroporous membrane for high-efficient uranium extraction from seawater. E-POLYMERS 2022. [DOI: 10.1515/epoly-2022-0038] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Abstract
Although metal–organic frameworks (MOFs) own excellent uranium adsorption capacity but are still difficult to conveniently extract uranium from seawater due to the discrete powder state. In this study, a new MOF-based macroporous membrane has been explored, which can high-efficiently extract uranium through continuously filtering seawater. Through modifying the UiO-66 with poly(amidoxime) (PAO), it can disperse well in a N,N-dimethylformamide solution of graphene oxide and cotton fibers. Then, the as-prepared super-hydrophilic MOF-based macroporous membrane can be fabricated after simple suction filtration. Compared with nonmodified MOFs, this UiO-66@PAO can be dispersed uniformly in the membrane because it can stabilize well in the solution, which have largely enhanced uranium adsorbing capacity owing to the modified PAO. Last but not least, different from powder MOFs, this UiO-66@PAO membrane provides the convenient and continuously uranium adsorbing process. As a consequence, the uranium extraction capacity of this membrane can reach 579 mg·g−1 in 32 ppm U-added simulated seawater for only 24 h. Most importantly, this UiO-66@PAO membrane (100 mg) can remove 80.6% uranyl ions from 5 L seawater after 50 filtering cycles. This study provides a universal method to design and fabricate a new MOF-based adsorbent for high-efficient uranium recovery from seawater.
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Affiliation(s)
- Jiawen Wang
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University , Haikou 570228 , China
| | - Ye Sun
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University , Haikou 570228 , China
| | - Xuemei Zhao
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University , Haikou 570228 , China
| | - Lin Chen
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University , Haikou 570228 , China
| | - Shuyi Peng
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University , Haikou 570228 , China
| | - Chunxin Ma
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University , Haikou 570228 , China
- Research Institute of Zhejiang University-Taizhou , Taizhou 318000 , China
| | - Gaigai Duan
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University , Nanjing 210037 , China
| | - Zhenzhong Liu
- Research Institute of Zhejiang University-Taizhou , Taizhou 318000 , China
| | - Hui Wang
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University , Haikou 570228 , China
| | - Yihui Yuan
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University , Haikou 570228 , China
| | - Ning Wang
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University , Haikou 570228 , China
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9
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Li Y, Shen L, Pun EYB, Lin H. All-inorganic perovskite quantum dots-based electrospun polyacrylonitrile fiber for ultra-sensitive trace-recording. NANOTECHNOLOGY 2021; 33:095708. [PMID: 34798625 DOI: 10.1088/1361-6528/ac3b83] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Accepted: 11/19/2021] [Indexed: 06/13/2023]
Abstract
All-inorganic dual-phase CsPbBr3-Cs4PbBr6quantum dots (CPB QDs)-based polyacrylonitrile (PAN) fiber synthesized by supersaturated recrystallization and electrospinning technique possesses characteristics of homogeneous morphology, high crystallinity and solution sensitivity. Under 365 nm laser excitation, CPB@PAN fiber exhibits surprising trace-recording capability attributing to the splash-enhanced fluorescence (FL) performance with a narrow-band emission at 477-515 nm. In the process of ethanol anhydrous (EA) and water splashing, the CPB@PAN fiber presents conspicuous blue and green emission when contacting with EA and water, and maintains intense blue and green FL for more than 4 months. These experimental and theoretical findings provide a facile technology for the development of biological protection display, biotic detection and moisture-proof forewarning based on the trace-recording performance of CPB@PAN fiber.
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Affiliation(s)
- Yanyan Li
- School of Textile and Material Engineering, Dalian Polytechnic University, Dalian 116034, People's Republic of China
| | - Lifan Shen
- School of Textile and Material Engineering, Dalian Polytechnic University, Dalian 116034, People's Republic of China
- College of Microelectronics and Key Laboratory of Optoelectronics Technology, Faculty of Information Technology, Beijing University of Technology, Beijing 100124, People's Republic of China
| | - Edwin Yue Bun Pun
- Department of Electrical Engineering and State Key Laboratory of Terahertz and Millimeter Waves, City University of Hong Kong, Hong Kong Special Administrative Region, People's Republic of China
| | - Hai Lin
- School of Textile and Material Engineering, Dalian Polytechnic University, Dalian 116034, People's Republic of China
- Department of Electrical Engineering and State Key Laboratory of Terahertz and Millimeter Waves, City University of Hong Kong, Hong Kong Special Administrative Region, People's Republic of China
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Zhang Y, Chen Z, Tian J, Sun M, Yuan D, Zhang L. Nitrogen doped CuCo 2O 4 nanoparticles anchored on beaded-like carbon nanofibers as an efficient bifunctional oxygen catalyst toward zinc-air battery. J Colloid Interface Sci 2021; 608:1105-1115. [PMID: 34739986 DOI: 10.1016/j.jcis.2021.10.102] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Revised: 10/13/2021] [Accepted: 10/17/2021] [Indexed: 12/26/2022]
Abstract
The elaborative design and construction of first-rank bifunctional oxygen electrocatalysts featuring low price, high activity and strong stability is critical for the large-scale applications of rechargeable Zn-air batteries. Here, a resultful strategy is proposed for fabricating nitrogen-doped 1D beaded-like structure carbon nanofibers uniformly decorated with nitrogen-doped CuCo2O4 nanoparticles (N-CuCo2O4@CNFs) toward boosting oxygen evolution reaction/oxygen reduction reaction (OER/ORR) catalysis. Taking advantage of the synergistic effect between interconnected 1D hierarchical porous carbon nanofiber structure and high catalytic activity of N-doped CuCo2O4 nanoparticles derived from bimetallic MOFs, the N-CuCo2O4@CNFs catalysts possess enhanced reaction kinetics and preferable charge transfer ability. Impressively, the obtained catalysts exhibit prominent electrocatalytic ability and superior stability for OER/ORR, even surpass the commercial RuO2 and Pt/C. More significantly, the Zn-air batteries employing the N-CuCo2O4@CNFs-800 as cathode display a higher power density of 175.6 mW cm-2, a lower charge-discharge voltage gap of 0.82 V at 10 mA cm-2, as well as a better cycling stability with respect to those of Pt/C + RuO2 mixture, demonstrating the great potential of N-CuCo2O4@CNF as a high-efficiency catalyst for clean energy devices.
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Affiliation(s)
- Yifei Zhang
- Industrial Research Institute of Nonwovens & Technical Textiles, Shandong Center for Engineered Nonwovens, College of Textiles & Clothing, Qingdao University, Qingdao 266071, Shandong, P. R. China
| | - Zihao Chen
- Industrial Research Institute of Nonwovens & Technical Textiles, Shandong Center for Engineered Nonwovens, College of Textiles & Clothing, Qingdao University, Qingdao 266071, Shandong, P. R. China
| | - Jin Tian
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao 266071, P. R. China
| | - Mengxiao Sun
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao 266071, P. R. China
| | - Ding Yuan
- Industrial Research Institute of Nonwovens & Technical Textiles, Shandong Center for Engineered Nonwovens, College of Textiles & Clothing, Qingdao University, Qingdao 266071, Shandong, P. R. China; College of Chemistry and Chemical Engineering, Qingdao University, Qingdao 266071, P. R. China.
| | - Lixue Zhang
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao 266071, P. R. China.
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Zhang H, Xie Y, Song Y, Qin X. Preparation of high-temperature resistant poly (m-phenylene isophthalamide)/polyacrylonitrile composite nanofibers membrane for air filtration. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.126831] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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12
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Sun Y, Liu R, Wen S, Wang J, Chen L, Yan B, Peng S, Ma C, Cao X, Ma C, Duan G, Wang H, Shi S, Yuan Y, Wang N. Antibiofouling Ultrathin Poly(amidoxime) Membrane for Enhanced U(VI) Recovery from Wastewater and Seawater. ACS APPLIED MATERIALS & INTERFACES 2021; 13:21272-21285. [PMID: 33940792 DOI: 10.1021/acsami.1c02882] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Although eco-friendly amidoxime-based adsorbents own an excellent uranium (U)-adsorption capacity, their U-adsorption efficiency is commonly reduced and even damaged by the biological adhesion from bacteria/microorganisms in an aqueous environment. Herein, we present an antibiofouling ultrathin poly(amidoxime) membrane (AUPM) with highly enhanced U-adsorption performance, through dispersing the quaternized chitosan (Q-CS) and poly(amidoxime) in a cross-linked sulfonated cellulose nanocrystals (S-CNC) network. The cross-linked S-CNC not only can elevate the hydrophilicity to improve the U-adsorption efficiency of AUPM but also can enhance the mechanical strength to form a self-supporting ultrathin membrane (17.21 MPa, 10 μm thickness). More importantly, this AUPM owns a good antibiofouling property, owing to the broad-spectrum antibacterial quaternary ammonium groups of the Q-CS. As a result, within the 1.00 L of low-concentration (100 ppb) U-added pure water (pH ≈ 5) and seawater (pH ≈ 8) for 48 h, 30 mg of AUPM can recover 93.7% U and 91.4% U, respectively. Furthermore, compared with the U-absorption capacity of a blank membrane without the Q-CS, that of AUPM can significantly increase 37.4% reaching from 6.39 to 8.78 mg/g after being in natural seawater for only 25 d. Additionally, this AUPM can still maintain almost constant tensile strength during 10 cycles of adsorption-desorption, which indicates the relatively long-term usability of AUPM. This AUPM will be a promising candidate for highly efficient and large-scale U-recovery from both U-containing waste freshwater/seawater and natural seawater, which will be greatly helpful to deal with the U-pollution and enrich U for the consumption of nuclear power. More importantly, the work will provide a new convenient but universal strategy to fabricate new highly enhanced low-cost U-adsorbents, through the introduction of both an antibacterial property and a high mechanical performance, which will be a good reference for the design of new highly efficient U-adsorbents.
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Affiliation(s)
- Ye Sun
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou 570228, P. R. China
| | - Rongrong Liu
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou 570228, P. R. China
| | - Shunxi Wen
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou 570228, P. R. China
| | - Jiawen Wang
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou 570228, P. R. China
| | - Lin Chen
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou 570228, P. R. China
| | - Bingjie Yan
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou 570228, P. R. China
| | - Shuyi Peng
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou 570228, P. R. China
| | - Chao Ma
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou 570228, P. R. China
| | - Xingyu Cao
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou 570228, P. R. China
| | - Chunxin Ma
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou 570228, P. R. China
- Research Institute, Zhejiang University-Taizhou, Taizhou 318000, P. R. China
| | - Gaigai Duan
- International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, P. R. China
| | - Hui Wang
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou 570228, P. R. China
| | - Se Shi
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou 570228, P. R. China
| | - Yihui Yuan
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou 570228, P. R. China
| | - Ning Wang
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou 570228, P. R. China
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Zhan Y, Hao X, Wang L, Jiang X, Cheng Y, Wang C, Meng Y, Xia H, Chen Z. Superhydrophobic and Flexible Silver Nanowire-Coated Cellulose Filter Papers with Sputter-Deposited Nickel Nanoparticles for Ultrahigh Electromagnetic Interference Shielding. ACS APPLIED MATERIALS & INTERFACES 2021; 13:14623-14633. [PMID: 33733743 DOI: 10.1021/acsami.1c03692] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Superhydrophobic, flexible, and ultrahigh-performance electromagnetic interference (EMI) shielding papers are of paramount importance to safety and long-term service under external mechanical deformations or other harsh service environments because they fulfill the growing demand for multipurpose materials. Herein, we fabricated multifunctional papers by incorporating sputter-deposited nickel nanoparticles (NiNPs) and a fluorine-containing coating onto cellulose filter papers coated with silver nanowires (AgNWs). AgNW networks with sputter-deposited NiNPs provide outstanding magnetic properties, electrical conductivity, and EMI shielding performance. At an AgNW content of 0.109 vol % and a NiNP content of 0.013 mg/cm2, the resultant papers exhibit a superior EMI shielding effectiveness (SE) of 88.4 dB. Additionally, the fluorine-containing coating endows the resultant papers with a high contact angle of 149.7°. Remarkably, the obtained papers still maintain a high EMI SE even after 1500 bending cycles or immersion in water, salt, or strong alkaline solutions for 2 h, indicating their outstanding mechanical robustness and chemical durability. This work opens a new window for designing and implementing ultrahigh-performance EMI shielding materials.
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Affiliation(s)
- Yanhu Zhan
- School of Materials Science and Engineering, Liaocheng University, Liaocheng 252000, China
- Guangxi Key Laboratory of Calcium Carbonate Resources Comprehensive Utilization, Hezhou University, Hezhou 542899, China
| | - Xuehui Hao
- School of Materials Science and Engineering, Liaocheng University, Liaocheng 252000, China
| | - Licui Wang
- School of Materials Science and Engineering, Liaocheng University, Liaocheng 252000, China
| | - Xiancai Jiang
- College of Chemical Engineering, Fuzhou University, Fuzhou 350108, China
| | - Yu Cheng
- State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute, Sichuan University, Chengdu 610065, China
| | - Changzheng Wang
- School of Materials Science and Engineering, Liaocheng University, Liaocheng 252000, China
| | - Yanyan Meng
- School of Materials Science and Engineering, Liaocheng University, Liaocheng 252000, China
| | - Hesheng Xia
- State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute, Sichuan University, Chengdu 610065, China
| | - Zhenming Chen
- Guangxi Key Laboratory of Calcium Carbonate Resources Comprehensive Utilization, Hezhou University, Hezhou 542899, China
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Maşlakcı NN. Development and Characterization of Drug‐Loaded PVP/PAN/Gr Electrospun Fibers for Drug Delivery Systems. ChemistrySelect 2021. [DOI: 10.1002/slct.202004176] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Neslihan Nohut Maşlakcı
- Department of Pharmacy Services Gelendost Vocational School Isparta University of Applied Sciences 32900 Isparta Turkey
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Rui G, Lv Q, Lu J, Wu T, Zhao S, Huang R, Han B, Yang W. A metal-free method for ultra-high molecular weight polyacrylonitrile under dimethyl sulfoxide. POLYMER 2021. [DOI: 10.1016/j.polymer.2020.123245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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16
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Xu TC, Han DH, Zhu YM, Duan GG, Liu KM, Hou HQ. High Strength Electrospun Single Copolyacrylonitrile (coPAN) Nanofibers with Improved Molecular Orientation by Drawing. CHINESE JOURNAL OF POLYMER SCIENCE 2020. [DOI: 10.1007/s10118-021-2516-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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Wang F, Zhang S, Zhang J, Han M, Pan G, Chen M. Rational synthesis of silicon into polyimide-derived hollow electrospun carbon nanofibers for enhanced lithium storage. E-POLYMERS 2020. [DOI: 10.1515/epoly-2020-0023] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
AbstractFlexible energy devices with high energy density and long cycle life are considered to be promising applications in portable electronics. In this study, silicon/carbon nanofiber (Si@CNF) core–shell electrode has been prepared by the coaxial electrospinning method. The precursors of polyimide (PI) were for the first time used to form the core–shell structure of Si@CNF, which depicts outstanding flexibility and mechanical strength. The effect of doping concentrations of silicon (Si) nanoparticles embedded in the fiber is investigated as a binder-free anode for lithium-ion batteries. A 15 wt% doped composite electrode demonstrates superior performance, with an initial reversible capacity of 621 mA h g−1 at the current density of 100 mA g−1 and a high capacity retention up to 200 cycles. The excellent cycling performance is mainly due to the carbonized PI core–shell structure, which not only can compensate for the insulation property of Si but also has the ability to buffer the volume expansion during the repeated charge–discharge process.
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Affiliation(s)
- Fan Wang
- School of Electrical and Electronic Engineering, Key Laboratory of Engineering Dielectric and Applications (Ministry of Education), Harbin University of Science and Technology, Harbin, 150080, P. R. China
| | - Shouzhi Zhang
- School of Electrical and Electronic Engineering, Key Laboratory of Engineering Dielectric and Applications (Ministry of Education), Harbin University of Science and Technology, Harbin, 150080, P. R. China
| | - Jiawei Zhang
- School of Electrical and Electronic Engineering, Key Laboratory of Engineering Dielectric and Applications (Ministry of Education), Harbin University of Science and Technology, Harbin, 150080, P. R. China
| | - Manshu Han
- School of Electrical and Electronic Engineering, Key Laboratory of Engineering Dielectric and Applications (Ministry of Education), Harbin University of Science and Technology, Harbin, 150080, P. R. China
| | - Guoxiang Pan
- Department of Materials Chemistry, Huzhou University, Huzhou, 313000, P. R. China
| | - Minghua Chen
- School of Electrical and Electronic Engineering, Key Laboratory of Engineering Dielectric and Applications (Ministry of Education), Harbin University of Science and Technology, Harbin, 150080, P. R. China
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Tensile Properties of Composite Reinforced with Three-Dimensional Printed Fibers. Polymers (Basel) 2020; 12:polym12051089. [PMID: 32397622 PMCID: PMC7285208 DOI: 10.3390/polym12051089] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Revised: 05/06/2020] [Accepted: 05/06/2020] [Indexed: 11/16/2022] Open
Abstract
This study used melt-electrospinning writing to fabricate three-dimensional fiber constructs by embedding them in a polyvinyl alcohol (PVA) matrix to obtain thin composite films. Fourier transform infrared spectroscopy (FTIR) and dynamic scanning calorimetry (DSC) were used to demonstrate an interaction between the polycaprolactone (PCL) fibrous phase and the PVA matrix phase. Following this, the mechanical deformation behavior of the composite was investigated, and the effect of reinforcement with three-dimensional fibrous constructs was illustrated. The specific strength of the composite was found to be five times higher than the specific strength of the neat PVA matrix. Additionally, the specific toughness of the composite was determined to be roughly four times higher than the specific toughness determined for the neat PVA matrix. These results demonstrate the potential of using melt-electrospinning writing for producing three-dimensional fibrous constructs for composite reinforcement purposes.
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Jiang S, Cheong JY, Nam JS, Kim ID, Agarwal S, Greiner A. High-density Fibrous Polyimide Sponges with Superior Mechanical and Thermal Properties. ACS APPLIED MATERIALS & INTERFACES 2020; 12:19006-19014. [PMID: 32216283 DOI: 10.1021/acsami.0c02004] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
A relatively low compressive strength significantly limits the practical application of sponges made from electrospun fibers because of an ultralow density <10 mg/cm3. To solve this problem, fibrous polyimide sponges with high density (HDPISG) were prepared using a "self-gluing" concept. The HDPISG have a density of up to 280 mg/cm3 and porosity >80%, and showed good breathability. The compressive strength increased significantly as the sponge densities increased. The HDPISG with a density of 280 mg/cm3 has the highest compressive strength of 5190 and 35,900 kPa under 50 and 80% compression, respectively. The small HDPISG can even hold weights more than ten thousand times of the weight of the sponge. The HDPISG also possess excellent mechanical properties after thermal treatments and no loss of compressive strength can be seen after heating at 300 °C for 30 h. Further study indicates that the HDPISG can maintain their main shape after carbonization.
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Affiliation(s)
- Shaohua Jiang
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Jun Young Cheong
- Department of Materials Science & Engineering, Korea Advanced Institute of Science & Technology, 335 Science Road, Daejeon 305-701, Republic of Korea
| | - Jong Seok Nam
- Department of Materials Science & Engineering, Korea Advanced Institute of Science & Technology, 335 Science Road, Daejeon 305-701, Republic of Korea
| | - Il-Doo Kim
- Department of Materials Science & Engineering, Korea Advanced Institute of Science & Technology, 335 Science Road, Daejeon 305-701, Republic of Korea
| | - Seema Agarwal
- Macromolecular Chemistry, Bavarian Polymer Institute, University of Bayreuth, Universitätsstraße 30, 95440 Bayreuth, Germany
| | - Andreas Greiner
- Macromolecular Chemistry, Bavarian Polymer Institute, University of Bayreuth, Universitätsstraße 30, 95440 Bayreuth, Germany
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Chen S, Liu Z, Jiang S, Hou H. Carbonization: A feasible route for reutilization of plastic wastes. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 710:136250. [PMID: 31918188 DOI: 10.1016/j.scitotenv.2019.136250] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 12/19/2019] [Accepted: 12/19/2019] [Indexed: 06/10/2023]
Abstract
Plastics not only bring convenience and color to human life, but also bring endless troubles and disaster to our environment. Reutilization of plastic wastes is in favor of energy conservation and emission reduction, thereby is a significant pathway of plastic wastes disposal. Carbonization is an effective way of converting polymer precursors to valuable carbon materials for use in fields of energy conversion and storage, environmental protection and restoration. Here, we present a systematic multi-perspective overview of carbonization as a feasible route of reutilization of plastic wastes. A brief summary of conventional routes for plastic wastes is followed by a brief introduction of carbonization for converting plastics to carbon materials. Special emphasis is paid on the carbonization pathways and mechanisms of common plastics. Finally, the feasibility, application prospect and challenge of carbonization as one method of reutilization of plastic wastes are proposed. By presenting a consolidated information source on different carbonization mechanisms, this review provides a valuable guideline for reutilization of plastic wastes by carbonization.
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Affiliation(s)
- Shuiliang Chen
- Department of Chemistry and Chemical Engineering and Nanofiber Engineering Center of Jiangxi Province, Jiangxi Normal University, 330022 Nanchang, China.
| | - Zheng Liu
- Department of Chemistry and Chemical Engineering and Nanofiber Engineering Center of Jiangxi Province, Jiangxi Normal University, 330022 Nanchang, China
| | - Shaohua Jiang
- College of Materials Science and Engineering, Nanjing Forestry University, 210037 Nanjing, China
| | - Haoqing Hou
- Department of Chemistry and Chemical Engineering and Nanofiber Engineering Center of Jiangxi Province, Jiangxi Normal University, 330022 Nanchang, China
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21
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Wu T, Ding M, Shi C, Qiao Y, Wang P, Qiao R, Wang X, Zhong J. Resorbable polymer electrospun nanofibers: History, shapes and application for tissue engineering. CHINESE CHEM LETT 2020. [DOI: 10.1016/j.cclet.2019.07.033] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Zhong X, Li R, Wang Z, Wang W, Yu D. Eco-fabrication of antibacterial nanofibrous membrane with high moisture permeability from wasted wool fabrics. WASTE MANAGEMENT (NEW YORK, N.Y.) 2020; 102:404-411. [PMID: 31734551 DOI: 10.1016/j.wasman.2019.11.005] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Revised: 10/09/2019] [Accepted: 11/06/2019] [Indexed: 06/10/2023]
Abstract
Wasted wool fabrics are a kind of textile waste source and the upcycle of them can not only benefit the environmental protection, but also turn waste into treasure by developing other potential applications. In this work, ionic liquid (IL) 1-butyl-3-methylimidazolium chloride ([Bmim]Cl) was used as a green solvent to upcycle wasted wool fabrics into a wool keratin (WK)/IL/polyacrylonitrile (PAN) composite nanofibrous membrane with good antibacterial and high moisture permeability through electrospinning. The morphology and structure of the regenerated nanofibrous membrane were characterized by Scanning Electronic Microscopy (SEM), Energy Dispersive Spectrometer (EDS), Fourier Transfer Infrared Spectroscopy (FTIR). The antibacterial test demonstrates that it has 89.21% inhibition rate against E. coli, and 60.70% against S. aureus. Furthermore, the keratin containing in the membrane can effectively improve the hydrophilic property of it, as Moisture Management Test (MMT) indicates that it performs an excellent wetting performance and water transport property. In addition, IL is supposed to be recycled from the composite membrane through immersing in distilled water, which makes the fabrication process green and sustainable.
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Affiliation(s)
- Xing Zhong
- Key Laboratory of Science and Technology of Eco-Textiles, Ministry of Education, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, China
| | - Rong Li
- Key Laboratory of Science and Technology of Eco-Textiles, Ministry of Education, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, China
| | - Zehong Wang
- Key Laboratory of Science and Technology of Eco-Textiles, Ministry of Education, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, China
| | - Wei Wang
- Key Laboratory of Science and Technology of Eco-Textiles, Ministry of Education, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, China
| | - Dan Yu
- Key Laboratory of Science and Technology of Eco-Textiles, Ministry of Education, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, China.
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Affiliation(s)
- Bronwyn Fox
- Manufacturing Futures Research Institute, Swinburne University of Technology, Hawthorn, VIC 3122, Australia.
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Modification of 3D polyacrylonitrile composite fiber for potential oil-water mixture separation. Sep Purif Technol 2019. [DOI: 10.1016/j.seppur.2019.115840] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Perera Jayawickramage RA, Balkus KJ, Ferraris JP. Binder free carbon nanofiber electrodes derived from polyacrylonitrile-lignin blends for high performance supercapacitors. NANOTECHNOLOGY 2019; 30:355402. [PMID: 31100735 DOI: 10.1088/1361-6528/ab2274] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Lignin was blended with polyacrylonitrile (PAN) in different ratios and fabricated into carbon nanofiber electrodes by electrospinning followed by thermal stabilization, carbonization and subsequent activation by CO2 of the carbonized mats. These carbon fiber electrodes exhibit high surface area, high mesoporosity, high graphitic content and high electrical conductivity. Activated carbon nanofiber mats derived from PAN:Lignin 70:30 blends display a surface area of 2370 m2 g-1 with 0.635 cm3 g-1 mesopore volume. These results are due to the selective partial removal of carbonized lignin during the activation step. Coin cell supercapacitors employing these electrodes exhibit 128 Fg-1 specific capacitance, 59 Wh kg-1 energy density and a 15 kW kg-1 power density when operated at 3.5 V using an ionic liquid electrolyte. Since lignin is an inexpensive, abundant, and green polymer, incorporating it into carbon blends enhances the scalability of such materials in energy storage applications.
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Affiliation(s)
- Rangana A Perera Jayawickramage
- Department of Chemistry and Biochemistry, The University of Texas at Dallas, 800 W. Campbell Road, Richardson, TX 75080, United States of America
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