1
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Wang Q, Gao L, Wang P, Wang Y, Xu Y, Xu H, Wang X, Meng Z, Xi K. Preparation of sp 2 carbon-bonded π-conjugated COF aerogels by ultrasound-assisted mild solvothermal reaction for multi-functional applications. NANOSCALE 2024; 16:15298-15307. [PMID: 39082664 DOI: 10.1039/d4nr02017k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/16/2024]
Abstract
Molding COFs into aerogels from monomers can establish interpenetrating spatial network structures on the centimeter scale that increase the accessibility of dominant pore channels and the convenience of real application, which radically gets rid of the difficult reprocessing problems of insoluble and non-fusible powder COFs. However, the construction of bulk COF structures and achieving crystallinity are often incompatible, especially with sp2 carbon-based COFs, whose powder synthesis has been quite demanding. Herein, for the first time, we report an efficient method to prepare sp2 carbon-linked π-conjugated DFB-TMTA-COF (DT-COF) aerogels by an ultrasound-assisted mild solvothermal technique and freeze-drying. Particularly, unlike the typical synthesis methods of vacuum deoxygenation, high temperature and long reaction time, crystalline DT-COF aerogels can be obtained by reacting at 90 °C for 48 h without vacuum sealing. The fluffy, hierarchical porous flower-shaped microsphere clustering of DT-COF aerogels contributes to excellent mechanical properties and better host-guest interactions, which are favorable to utilize the benefits of the highly conjugated structure of channels. As a proof of concept, DT-COF aerogels have been used in absorption, batteries, and sensors, demonstrating enhanced functionality and effectiveness.
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Affiliation(s)
- Qiaomu Wang
- MOE Key Laboratory of High Performance Polymer Materials & Technology, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China.
| | - Lei Gao
- National Laboratory of Solid State Microstructures (NLSSM), Collaborative innovation Center of Advanced Microstructures, Jiangsu Key Laboratory of Artificial Functional Materials, College of Engineering and Applied Sciences, Nanjing University, Nanjing, 210093, China.
| | - Peng Wang
- Coordination Chemistry Institute, State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing National Laboratory of Microstructures, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, China
| | - Yandong Wang
- MOE Key Laboratory of High Performance Polymer Materials & Technology, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China.
| | - Yang Xu
- MOE Key Laboratory of High Performance Polymer Materials & Technology, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China.
| | - Haocheng Xu
- MOE Key Laboratory of High Performance Polymer Materials & Technology, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China.
| | - Xuebin Wang
- National Laboratory of Solid State Microstructures (NLSSM), Collaborative innovation Center of Advanced Microstructures, Jiangsu Key Laboratory of Artificial Functional Materials, College of Engineering and Applied Sciences, Nanjing University, Nanjing, 210093, China.
| | - Zhen Meng
- MOE Key Laboratory of High Performance Polymer Materials & Technology, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China.
| | - Kai Xi
- MOE Key Laboratory of High Performance Polymer Materials & Technology, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China.
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2
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Nguyen ST, Hieu NV, Le-Quoc H, Nguyen-Ba K, Nguyen CV, Phuc HV, Nguyen CQ. First-principles investigations of the controllable electronic properties and contact types of type II MoTe 2/MoS 2 van der Waals heterostructures. NANOSCALE ADVANCES 2024; 6:3624-3631. [PMID: 38989517 PMCID: PMC11232547 DOI: 10.1039/d4na00193a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Accepted: 05/20/2024] [Indexed: 07/12/2024]
Abstract
Two-dimensional (2D) van der Waals (vdW) heterostructures are considered as promising candidates for realizing multifunctional applications, including photodetectors, field effect transistors and solar cells. In this work, we performed first-principles calculations to design a 2D vdW MoTe2/MoS2 heterostructure and investigate its electronic properties, contact types and the impact of an electric field and in-plane biaxial strain. We find that the MoTe2/MoS2 heterostructure is predicted to be structurally, thermally and mechanically stable. It is obvious that the weak vdW interactions are mainly dominated at the interface of the MoTe2/MoS2 heterostructure and thus it can be synthesized in recent experiments by the transfer method or chemical vapor deposition. The construction of the vdW MoTe2/MoS2 heterostructure forms a staggered type II band alignment, effectively separating the electrons and holes at the interface and thereby extending the carrier lifetime. Interestingly, the electronic properties and contact types of the type II vdW MoTe2/MoS2 heterostructure can be tailored under the application of external conditions, including an electric field and in-plane biaxial strain. The semiconductor-semimetal-metal transition and type II-type I conversion can be achieved in the vdW MoTe2/MoS2 heterostructure. Our findings underscore the potential of the vdW MoTe2/MoS2 heterostructure for the design and fabrication of multifunctional applications, including electronics and optoelectronics.
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Affiliation(s)
- Son T Nguyen
- Faculty of Electrical Engineering, Hanoi University of Industry Hanoi 100000 Vietnam
| | - Nguyen V Hieu
- The University of Danang - University of Science and Education Da Nang 550000 Vietnam
| | - Huy Le-Quoc
- The University of Danang - University of Science and Technology Danang 550000 Vietnam
| | - Kien Nguyen-Ba
- The University of Danang - University of Science and Technology Danang 550000 Vietnam
| | - Chuong V Nguyen
- Department of Materials Science and Engineering, Le Quy Don Technical University Hanoi 100000 Vietnam
| | - Huynh V Phuc
- Division of Theoretical Physics, Dong Thap University Cao Lanh 870000 Vietnam
| | - Cuong Q Nguyen
- Institute of Research and Development, Duy Tan University Da Nang 550000 Vietnam
- Faculty of Natural Sciences, Duy Tan University Da Nang 550000 Vietnam
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3
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Xiao X, Mei Y, Deng W, Zou G, Hou H, Ji X. Electric Eel Biomimetics for Energy Storage and Conversion. SMALL METHODS 2024; 8:e2201435. [PMID: 36840652 DOI: 10.1002/smtd.202201435] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 02/07/2023] [Indexed: 06/18/2023]
Abstract
The electric eel is known as the most powerful creature to generate electricity with a discharge voltage up to 860 V and peak current up to 1 A. These surprising properties are the results of billions of years of evolution on the electrical biological structure and bulk, and now have triggered great research interest in electric eel biomimetics for designing innovated configurations and components of energy storage and conversion devices. In this review, first, the bioelectrical behavior of electric eels is surveyed, followed by the physiological structure to reveal the discharge characteristics and principles of electric organs and electrocytes. Additionally, underlying electrochemical mechanisms and models for calculating the potential and current of electrocytes are presented. Central to this review is the recent progress of electric-eel-inspired innovations and applications for energy storage and conversion, particularly including novel power sources, triboelectric nanogenerators, and nanochannel ion-selective membranes for salinity gradient energy harvesting. Finally, insights on the challenges at the moment and the perspectives on the future research prospects are critically compiled. It is suggested that energy-related electric eel biomimetics will greatly boost the development of next-generation high performance, green, and functional electronics.
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Affiliation(s)
- Xiangting Xiao
- State Key Laboratory of Powder Metallurgy, College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China
| | - Yu Mei
- State Key Laboratory of Powder Metallurgy, College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China
| | - Wentao Deng
- State Key Laboratory of Powder Metallurgy, College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China
| | - Guoqiang Zou
- State Key Laboratory of Powder Metallurgy, College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China
| | - Hongshuai Hou
- State Key Laboratory of Powder Metallurgy, College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China
| | - Xiaobo Ji
- State Key Laboratory of Powder Metallurgy, College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China
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4
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Ferreira R, Silva AP, Nunes-Pereira J. Current On-Skin Flexible Sensors, Materials, Manufacturing Approaches, and Study Trends for Health Monitoring: A Review. ACS Sens 2024; 9:1104-1133. [PMID: 38394033 PMCID: PMC10964246 DOI: 10.1021/acssensors.3c02555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 01/17/2024] [Accepted: 02/07/2024] [Indexed: 02/25/2024]
Abstract
Due to an ever-increasing amount of the population focusing more on their personal health, thanks to rising living standards, there is a pressing need to improve personal healthcare devices. These devices presently require laborious, time-consuming, and convoluted procedures that heavily rely on cumbersome equipment, causing discomfort and pain for the patients during invasive methods such as sample-gathering, blood sampling, and other traditional benchtop techniques. The solution lies in the development of new flexible sensors with temperature, humidity, strain, pressure, and sweat detection and monitoring capabilities, mimicking some of the sensory capabilities of the skin. In this review, a comprehensive presentation of the themes regarding flexible sensors, chosen materials, manufacturing processes, and trends was made. It was concluded that carbon-based composite materials, along with graphene and its derivates, have garnered significant interest due to their electromechanical stability, extraordinary electrical conductivity, high specific surface area, variety, and relatively low cost.
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Affiliation(s)
- Rodrigo
G. Ferreira
- C-MAST, Centre for Mechanical and Aerospace
Science and Technologies, Universidade da
Beira Interior, Rua Marquês d’Ávila e Bolama, 6201-001 Covilhã, Portugal
| | - Abílio P. Silva
- C-MAST, Centre for Mechanical and Aerospace
Science and Technologies, Universidade da
Beira Interior, Rua Marquês d’Ávila e Bolama, 6201-001 Covilhã, Portugal
| | - João Nunes-Pereira
- C-MAST, Centre for Mechanical and Aerospace
Science and Technologies, Universidade da
Beira Interior, Rua Marquês d’Ávila e Bolama, 6201-001 Covilhã, Portugal
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5
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Xi J, Yang H, Li X, Wei R, Zhang T, Dong L, Yang Z, Yuan Z, Sun J, Hua Q. Recent Advances in Tactile Sensory Systems: Mechanisms, Fabrication, and Applications. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:465. [PMID: 38470794 DOI: 10.3390/nano14050465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Revised: 02/07/2024] [Accepted: 02/19/2024] [Indexed: 03/14/2024]
Abstract
Flexible electronics is a cutting-edge field that has paved the way for artificial tactile systems that mimic biological functions of sensing mechanical stimuli. These systems have an immense potential to enhance human-machine interactions (HMIs). However, tactile sensing still faces formidable challenges in delivering precise and nuanced feedback, such as achieving a high sensitivity to emulate human touch, coping with environmental variability, and devising algorithms that can effectively interpret tactile data for meaningful interactions in diverse contexts. In this review, we summarize the recent advances of tactile sensory systems, such as piezoresistive, capacitive, piezoelectric, and triboelectric tactile sensors. We also review the state-of-the-art fabrication techniques for artificial tactile sensors. Next, we focus on the potential applications of HMIs, such as intelligent robotics, wearable devices, prosthetics, and medical healthcare. Finally, we conclude with the challenges and future development trends of tactile sensors.
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Affiliation(s)
- Jianguo Xi
- School of Integrated Circuits and Electronics, Beijing Institute of Technology, Beijing 100081, China
| | - Huaiwen Yang
- School of Integrated Circuit Science and Engineering, Beihang University, Beijing 100191, China
| | - Xinyu Li
- School of Integrated Circuit Science and Engineering, Beihang University, Beijing 100191, China
| | - Ruilai Wei
- School of Integrated Circuits and Electronics, Beijing Institute of Technology, Beijing 100081, China
- Institute of Flexible Electronics, Beijing Institute of Technology, Beijing 102488, China
| | - Taiping Zhang
- Tianfu Xinglong Lake Laboratory, Chengdu 610299, China
| | - Lin Dong
- Henan Key Laboratory of Diamond Optoelectronic Materials and Devices, Key Laboratory of Materials Physics, Ministry of Education, School of Physics and Microelectronics, Zhengzhou University, Zhengzhou 450001, China
| | - Zhenjun Yang
- Hefei Hospital Affiliated to Anhui Medical University (The Second People's Hospital of Hefei), Hefei 230011, China
| | - Zuqing Yuan
- School of Integrated Circuits and Electronics, Beijing Institute of Technology, Beijing 100081, China
- Institute of Flexible Electronics, Beijing Institute of Technology, Beijing 102488, China
| | - Junlu Sun
- Henan Key Laboratory of Diamond Optoelectronic Materials and Devices, Key Laboratory of Materials Physics, Ministry of Education, School of Physics and Microelectronics, Zhengzhou University, Zhengzhou 450001, China
| | - Qilin Hua
- School of Integrated Circuits and Electronics, Beijing Institute of Technology, Beijing 100081, China
- Institute of Flexible Electronics, Beijing Institute of Technology, Beijing 102488, China
- Guangxi Key Laboratory of Brain-Inspired Computing and Intelligent Chips, Guangxi Normal University, Guilin 541004, China
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6
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Lin H, Buerki-Thurnherr T, Kaur J, Wick P, Pelin M, Tubaro A, Carniel FC, Tretiach M, Flahaut E, Iglesias D, Vázquez E, Cellot G, Ballerini L, Castagnola V, Benfenati F, Armirotti A, Sallustrau A, Taran F, Keck M, Bussy C, Vranic S, Kostarelos K, Connolly M, Navas JM, Mouchet F, Gauthier L, Baker J, Suarez-Merino B, Kanerva T, Prato M, Fadeel B, Bianco A. Environmental and Health Impacts of Graphene and Other Two-Dimensional Materials: A Graphene Flagship Perspective. ACS NANO 2024; 18:6038-6094. [PMID: 38350010 PMCID: PMC10906101 DOI: 10.1021/acsnano.3c09699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Revised: 01/18/2024] [Accepted: 01/22/2024] [Indexed: 02/15/2024]
Abstract
Two-dimensional (2D) materials have attracted tremendous interest ever since the isolation of atomically thin sheets of graphene in 2004 due to the specific and versatile properties of these materials. However, the increasing production and use of 2D materials necessitate a thorough evaluation of the potential impact on human health and the environment. Furthermore, harmonized test protocols are needed with which to assess the safety of 2D materials. The Graphene Flagship project (2013-2023), funded by the European Commission, addressed the identification of the possible hazard of graphene-based materials as well as emerging 2D materials including transition metal dichalcogenides, hexagonal boron nitride, and others. Additionally, so-called green chemistry approaches were explored to achieve the goal of a safe and sustainable production and use of this fascinating family of nanomaterials. The present review provides a compact survey of the findings and the lessons learned in the Graphene Flagship.
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Affiliation(s)
- Hazel Lin
- CNRS,
UPR3572, Immunology, Immunopathology and Therapeutic Chemistry, ISIS, University of Strasbourg, 67000 Strasbourg, France
| | - Tina Buerki-Thurnherr
- Empa,
Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Particles-Biology Interactions, 9014 St. Gallen, Switzerland
| | - Jasreen Kaur
- Nanosafety
& Nanomedicine Laboratory, Institute
of Environmental Medicine, Karolinska Institutet, 177 77 Stockholm, Sweden
| | - Peter Wick
- Empa,
Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Particles-Biology Interactions, 9014 St. Gallen, Switzerland
| | - Marco Pelin
- Department
of Life Sciences, University of Trieste, 34127 Trieste, Italy
| | - Aurelia Tubaro
- Department
of Life Sciences, University of Trieste, 34127 Trieste, Italy
| | | | - Mauro Tretiach
- Department
of Life Sciences, University of Trieste, 34127 Trieste, Italy
| | - Emmanuel Flahaut
- CIRIMAT,
Université de Toulouse, CNRS, INPT,
UPS, 31062 Toulouse CEDEX 9, France
| | - Daniel Iglesias
- Facultad
de Ciencias y Tecnologías Químicas, Universidad de Castilla-La Mancha (UCLM), 13071 Ciudad Real, Spain
- Instituto
Regional de Investigación Científica Aplicada (IRICA), Universidad de Castilla-La Mancha (UCLM), 13071 Ciudad Real, Spain
| | - Ester Vázquez
- Facultad
de Ciencias y Tecnologías Químicas, Universidad de Castilla-La Mancha (UCLM), 13071 Ciudad Real, Spain
- Instituto
Regional de Investigación Científica Aplicada (IRICA), Universidad de Castilla-La Mancha (UCLM), 13071 Ciudad Real, Spain
| | - Giada Cellot
- International
School for Advanced Studies (SISSA), 34136 Trieste, Italy
| | - Laura Ballerini
- International
School for Advanced Studies (SISSA), 34136 Trieste, Italy
| | - Valentina Castagnola
- Center
for
Synaptic Neuroscience and Technology, Istituto
Italiano di Tecnologia, 16132 Genova, Italy
- IRCCS
Ospedale Policlinico San Martino, 16132 Genova, Italy
| | - Fabio Benfenati
- Center
for
Synaptic Neuroscience and Technology, Istituto
Italiano di Tecnologia, 16132 Genova, Italy
- IRCCS
Ospedale Policlinico San Martino, 16132 Genova, Italy
| | - Andrea Armirotti
- Analytical
Chemistry Facility, Istituto Italiano di
Tecnologia, 16163 Genoa, Italy
| | - Antoine Sallustrau
- Département
Médicaments et Technologies pour la Santé (DMTS), Université Paris-Saclay, CEA, INRAE, SIMoS, Gif-sur-Yvette 91191, France
| | - Frédéric Taran
- Département
Médicaments et Technologies pour la Santé (DMTS), Université Paris-Saclay, CEA, INRAE, SIMoS, Gif-sur-Yvette 91191, France
| | - Mathilde Keck
- Département
Médicaments et Technologies pour la Santé (DMTS), Université Paris-Saclay, CEA, INRAE, SIMoS, Gif-sur-Yvette 91191, France
| | - Cyrill Bussy
- Nanomedicine
Lab, Faculty of Biology, Medicine and Health, University of Manchester,
Manchester Academic Health Science Centre, National Graphene Institute, Manchester M13 9PT, United
Kingdom
| | - Sandra Vranic
- Nanomedicine
Lab, Faculty of Biology, Medicine and Health, University of Manchester,
Manchester Academic Health Science Centre, National Graphene Institute, Manchester M13 9PT, United
Kingdom
| | - Kostas Kostarelos
- Nanomedicine
Lab, Faculty of Biology, Medicine and Health, University of Manchester,
Manchester Academic Health Science Centre, National Graphene Institute, Manchester M13 9PT, United
Kingdom
| | - Mona Connolly
- Instituto Nacional de Investigación y Tecnología
Agraria
y Alimentaria (INIA), CSIC, Carretera de la Coruña Km 7,5, E-28040 Madrid, Spain
| | - José Maria Navas
- Instituto Nacional de Investigación y Tecnología
Agraria
y Alimentaria (INIA), CSIC, Carretera de la Coruña Km 7,5, E-28040 Madrid, Spain
| | - Florence Mouchet
- Laboratoire
Ecologie Fonctionnelle et Environnement, Université de Toulouse, CNRS, INPT, UPS, 31000 Toulouse, France
| | - Laury Gauthier
- Laboratoire
Ecologie Fonctionnelle et Environnement, Université de Toulouse, CNRS, INPT, UPS, 31000 Toulouse, France
| | - James Baker
- TEMAS Solutions GmbH, 5212 Hausen, Switzerland
| | | | - Tomi Kanerva
- Finnish Institute of Occupational Health, 00250 Helsinki, Finland
| | - Maurizio Prato
- Center
for Cooperative Research in Biomaterials (CIC biomaGUNE), Basque Research and Technology Alliance (BRTA), 20014 Donostia-San
Sebastián, Spain
- Ikerbasque, Basque Foundation for Science, 48013 Bilbao, Spain
- Department
of Chemical and Pharmaceutical Sciences, University of Trieste, 34127 Trieste, Italy
| | - Bengt Fadeel
- Nanosafety
& Nanomedicine Laboratory, Institute
of Environmental Medicine, Karolinska Institutet, 177 77 Stockholm, Sweden
| | - Alberto Bianco
- CNRS,
UPR3572, Immunology, Immunopathology and Therapeutic Chemistry, ISIS, University of Strasbourg, 67000 Strasbourg, France
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7
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Li J, Wan K, Zhu T, Zheng Y, Chen Z, Feng Q, Du Z. Fibrous Conductive Metallogels with Hybrid Electron/Ion Networks for Boosted Extreme Sensitivity and High Linearity Strain Sensor. Macromol Rapid Commun 2024; 45:e2300568. [PMID: 37956305 DOI: 10.1002/marc.202300568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 10/16/2023] [Indexed: 11/15/2023]
Abstract
Fibrous strain sensing materials with both high sensitivity and high linearity are of significant importance for wearable sensors, yet they still face great challenges. Herein, a photo-spun reaction encapsulation strategy is proposed for the continuous fabrication of fibrous strain sensor materials (AMGF) with a core-sheath structure. Metallogels (MOGs) formed by bacterial cellulose (BC) nanofibers and Ag nanoparticles (AgNPs), and thermoplastic elastomers (TPE) are employed as the core and sheath, respectively. The in situ ultraviolet light reduction of Ag+ ensured AgNPs to maintain the interconnections between the BC nanofibers and form electron conductive networks (0.31 S m-1 ). Under applied strain, the BC nanofibers experience separation, bringing AMGF a high sensitivity (gauge factor 4.36). The concentration of free ions in the MOGs uniformly varies with applied deformation, endowing AMGF with high linearity and a goodness-of-fit of 0.98. The sheath TPE provided AMGF sensor with stable working life (>10 000 s). Furthermore, the AMGF sensors are demonstrated to monitor complex deformations of the dummy joints in real-time as a wearable sensor. Therefore, the fibrous hybrid conductive network fibers fabricated via the photo-spun reaction encapsulation strategy provide a new route for addressing the challenge of achieving both high sensitivity and high linearity.
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Affiliation(s)
- Jifeng Li
- Anhui Province Joint Key Laboratory of Cold Insulation Fiber and Clothing, School of Materials and Chemistry, Anhui Agricultural University, Hefei, 230036, P. R. China
- Institute of Intelligent Machines, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, 230031, P. R. China
| | - Kening Wan
- School of Engineering and Materials Science, Queen Mary University of London, Mile End Road, London, E1 4NS, UK
| | - Tianyi Zhu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai, 201620, P. R. China
| | - Yong Zheng
- Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials, College of Materials and Chemical Engineering, China Three Gorges University, Yichang, 443002, P. R. China
| | - Ziyin Chen
- Institute of Intelligent Machines, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, 230031, P. R. China
| | - Qichun Feng
- Anhui Province Joint Key Laboratory of Cold Insulation Fiber and Clothing, School of Materials and Chemistry, Anhui Agricultural University, Hefei, 230036, P. R. China
| | - Zhaofang Du
- Anhui Province Joint Key Laboratory of Cold Insulation Fiber and Clothing, School of Materials and Chemistry, Anhui Agricultural University, Hefei, 230036, P. R. China
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8
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Oh J, Nam KW, Kim WJ, Kang BH, Park SH. Flexible Dry Electrode Based on a Wrinkled Surface That Uses Carbon Nanotube/Polymer Composites for Recording Electroencephalograms. MATERIALS (BASEL, SWITZERLAND) 2024; 17:668. [PMID: 38591516 PMCID: PMC10856397 DOI: 10.3390/ma17030668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 10/09/2023] [Accepted: 10/18/2023] [Indexed: 04/10/2024]
Abstract
Electroencephalography (EEG) captures minute electrical signals emanating from the brain. These signals are vulnerable to interference from external noise and dynamic artifacts; hence, accurately recording such signals is challenging. Although dry electrodes are convenient, their signals are of limited quality; consequently, wet electrodes are predominantly used in EEG. Therefore, developing dry electrodes for accurately and stably recording EEG signals is crucial. In this study, we developed flexible dry electrodes using polydimethylsiloxane (PDMS)/carbon-nanotube (CNT) composites with isotropically wrinkled surfaces that effectively combine the advantages of wet and dry electrodes. Adjusting the PDMS crosslinker ratio led to good adhesion, resulting in a highly adhesive CNT/PDMS composite with a low Young's modulus that exhibited excellent electrical and mechanical properties owing to its ability to conformally contact skin. The isotropically wrinkled surface also effectively controls dynamic artifacts during EEG signal detection and ensures accurate signal analysis. The results of this study demonstrate that dry electrodes based on flexible CNT/PDMS composites and corrugated structures can outperform wet electrodes. The introduction of such electrodes is expected to enable the accurate analysis and monitoring of EEG signals in various scenarios, including clinical trials.
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Affiliation(s)
| | | | | | | | - Sung-Hoon Park
- Department of Mechanical Engineering, Soongsil University, 369 Sangdo-ro, Dongjak-gu, Seoul 06978, Republic of Korea; (J.O.); (K.-W.N.); (W.-J.K.); (B.-H.K.)
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9
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Katiyar AK, Hoang AT, Xu D, Hong J, Kim BJ, Ji S, Ahn JH. 2D Materials in Flexible Electronics: Recent Advances and Future Prospectives. Chem Rev 2024; 124:318-419. [PMID: 38055207 DOI: 10.1021/acs.chemrev.3c00302] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2023]
Abstract
Flexible electronics have recently gained considerable attention due to their potential to provide new and innovative solutions to a wide range of challenges in various electronic fields. These electronics require specific material properties and performance because they need to be integrated into a variety of surfaces or folded and rolled for newly formatted electronics. Two-dimensional (2D) materials have emerged as promising candidates for flexible electronics due to their unique mechanical, electrical, and optical properties, as well as their compatibility with other materials, enabling the creation of various flexible electronic devices. This article provides a comprehensive review of the progress made in developing flexible electronic devices using 2D materials. In addition, it highlights the key aspects of materials, scalable material production, and device fabrication processes for flexible applications, along with important examples of demonstrations that achieved breakthroughs in various flexible and wearable electronic applications. Finally, we discuss the opportunities, current challenges, potential solutions, and future investigative directions about this field.
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Affiliation(s)
- Ajit Kumar Katiyar
- School of Electrical and Electronic Engineering, Yonsei University, Seoul 03722, Republic of Korea
| | - Anh Tuan Hoang
- School of Electrical and Electronic Engineering, Yonsei University, Seoul 03722, Republic of Korea
| | - Duo Xu
- School of Electrical and Electronic Engineering, Yonsei University, Seoul 03722, Republic of Korea
| | - Juyeong Hong
- School of Electrical and Electronic Engineering, Yonsei University, Seoul 03722, Republic of Korea
| | - Beom Jin Kim
- School of Electrical and Electronic Engineering, Yonsei University, Seoul 03722, Republic of Korea
| | - Seunghyeon Ji
- School of Electrical and Electronic Engineering, Yonsei University, Seoul 03722, Republic of Korea
| | - Jong-Hyun Ahn
- School of Electrical and Electronic Engineering, Yonsei University, Seoul 03722, Republic of Korea
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10
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Ali M, Yousaf M, Munir J, Iqbal Khan MJ. Achieving controllable multifunctionality through layer sliding. J Mol Graph Model 2024; 126:108638. [PMID: 37757650 DOI: 10.1016/j.jmgm.2023.108638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 09/05/2023] [Accepted: 09/18/2023] [Indexed: 09/29/2023]
Abstract
Dynamical variation of physical properties in a controllable fashion provides exciting possibilities to obtain multifunctional materials. In this work, layer-sliding is employed to modify the structural, interfacial electronic and optical properties of unintercalated and Mg-intercalated two-dimensional (2D) van der Waals heterostructure (vdW-HS) consisting of buckled silicene and hexagonal boron nitride (hBN). The most stable stacking configuration of silicene over hBN is screened out and then intercalated with Mg at the interface. Dynamical-dependent changes in the properties of vdW-HS are performed by sliding silicene over hBN monolayer in the absence and presence of the intercalant. Layer-sliding is carried out in equal length intervals, and various parametric quantities related to the physical characteristics of the vdW-HS are repeatedly calculated and compared. Apart from various parametric quantities, stability of unintercalated and Mg-intercalated vdW-HS is also checked by means of relative total energies, binding energies and vdW gaps along the sliding pathway. Comparison of binding energies shows that the un-slided, half-slided, and fully-slided Mg-intercalated vdW-HS are 1.52, 1.44 and 1.42 eV more stable than the unintercalated vdW-HS. Opening of a small band gap of 12, 31 and 28 meV for un-slided, half-slided and fully-slided unintercalated vdW-HS, respectively, is worth mentioning. To study the interfacial electronic behavior, planar average charge density difference (Δρ) and charge transfer (ΔQ) are also calculated and varied via layer-sliding. Further, we calculated diverse optical spectra such as the complex dielectric function (DF), electron energy loss function [L(ω)], diagonal components of dielectric tensor [ε(iω)], refractive index [n(ω)], extinction coefficient [k(ω)], absorption coefficient [α(ω)], and reflectivity [R(ω)] for un-slided, half-slided and fully-slided unintercalated and Mg-intercalated vdW-HS. Interestingly, the polarization and energy losses have been reduced in the case of Mg-intercalated vdW-HS. The suggested layer-sliding method can be established as a general scheme for bringing multifunctionality into a layered material.
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Affiliation(s)
- Mubashar Ali
- Department of Physics, University of Education, Lahore, Pakistan
| | - Masood Yousaf
- Department of Physics, University of Education, Lahore, Pakistan.
| | - Junaid Munir
- Department of Physics, Riphah International University, Lahore, Pakistan
| | - M Junaid Iqbal Khan
- Laboratory of Theoretical and Experimental Physics, Department of Physics, Bahauddin Zakariya University, Multan, 60800, Pakistan
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11
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Yun Q, Ge Y, Shi Z, Liu J, Wang X, Zhang A, Huang B, Yao Y, Luo Q, Zhai L, Ge J, Peng Y, Gong C, Zhao M, Qin Y, Ma C, Wang G, Wa Q, Zhou X, Li Z, Li S, Zhai W, Yang H, Ren Y, Wang Y, Li L, Ruan X, Wu Y, Chen B, Lu Q, Lai Z, He Q, Huang X, Chen Y, Zhang H. Recent Progress on Phase Engineering of Nanomaterials. Chem Rev 2023. [PMID: 37962496 DOI: 10.1021/acs.chemrev.3c00459] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2023]
Abstract
As a key structural parameter, phase depicts the arrangement of atoms in materials. Normally, a nanomaterial exists in its thermodynamically stable crystal phase. With the development of nanotechnology, nanomaterials with unconventional crystal phases, which rarely exist in their bulk counterparts, or amorphous phase have been prepared using carefully controlled reaction conditions. Together these methods are beginning to enable phase engineering of nanomaterials (PEN), i.e., the synthesis of nanomaterials with unconventional phases and the transformation between different phases, to obtain desired properties and functions. This Review summarizes the research progress in the field of PEN. First, we present representative strategies for the direct synthesis of unconventional phases and modulation of phase transformation in diverse kinds of nanomaterials. We cover the synthesis of nanomaterials ranging from metal nanostructures such as Au, Ag, Cu, Pd, and Ru, and their alloys; metal oxides, borides, and carbides; to transition metal dichalcogenides (TMDs) and 2D layered materials. We review synthesis and growth methods ranging from wet-chemical reduction and seed-mediated epitaxial growth to chemical vapor deposition (CVD), high pressure phase transformation, and electron and ion-beam irradiation. After that, we summarize the significant influence of phase on the various properties of unconventional-phase nanomaterials. We also discuss the potential applications of the developed unconventional-phase nanomaterials in different areas including catalysis, electrochemical energy storage (batteries and supercapacitors), solar cells, optoelectronics, and sensing. Finally, we discuss existing challenges and future research directions in PEN.
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Affiliation(s)
- Qinbai Yun
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
- Department of Chemical and Biological Engineering & Energy Institute, The Hong Kong University of Science and Technology, Hong Kong, China
| | - Yiyao Ge
- School of Materials Science and Engineering, Peking University, Beijing 100871, China
| | - Zhenyu Shi
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Jiawei Liu
- Institute of Sustainability for Chemicals, Energy and Environment, Agency for Science, Technology and Research (A*STAR), Singapore, 627833, Singapore
| | - Xixi Wang
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
| | - An Zhang
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Biao Huang
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
- Hong Kong Branch of National Precious Metals Material Engineering Research Center (NPMM), City University of Hong Kong, Hong Kong, China
| | - Yao Yao
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Qinxin Luo
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Li Zhai
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
- Hong Kong Branch of National Precious Metals Material Engineering Research Center (NPMM), City University of Hong Kong, Hong Kong, China
| | - Jingjie Ge
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR
| | - Yongwu Peng
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Chengtao Gong
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Meiting Zhao
- Institute of Molecular Aggregation Science, Department of Chemistry, Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Tianjin University, Tianjin 300072, China
| | - Yutian Qin
- Institute of Molecular Aggregation Science, Department of Chemistry, Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Tianjin University, Tianjin 300072, China
| | - Chen Ma
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Gang Wang
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Qingbo Wa
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Xichen Zhou
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Zijian Li
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Siyuan Li
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Wei Zhai
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Hua Yang
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Yi Ren
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Yongji Wang
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Lujing Li
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Xinyang Ruan
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Yuxuan Wu
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Bo Chen
- State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials, School of Chemistry and Life Sciences, Nanjing University of Posts and Telecommunications, Nanjing 210023, China
| | - Qipeng Lu
- School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Zhuangchai Lai
- Department of Applied Physics, The Hong Kong Polytechnic University, Hong Kong SAR, China
| | - Qiyuan He
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong SAR, China
| | - Xiao Huang
- Institute of Advanced Materials (IAM), School of Flexible Electronics (SoFE), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech), Nanjing 211816, China
| | - Ye Chen
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Hua Zhang
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
- Hong Kong Branch of National Precious Metals Material Engineering Research Center (NPMM), City University of Hong Kong, Hong Kong, China
- Shenzhen Research Institute, City University of Hong Kong, Shenzhen 518057, China
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12
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Zhou D, Yu J, Zhao Q, Zhang L. In situ molecular permeation of liquid cationic polymers into solid anionic polymer films enabling self-adaptive adhesion of hydrogel biosensors. MATERIALS HORIZONS 2023; 10:3622-3630. [PMID: 37337709 DOI: 10.1039/d3mh00597f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/21/2023]
Abstract
Self-adaptive adhesion is essential for hydrogel sensors. However, the traditional protocol involves covering a pre-prepared hydrogel sensor on a tested surface. As a result, the sensor cannot achieve self-adaptive adhesion owing to an air-layer hindrance between the sensor and tested surface, which inevitably leads to the loss of critical biological signals. To address the issue of air-layer hindrance, this work proposes an in situ permeation method that enables the self-adaptive adhesion of hydrogel biosensors on various surfaces. After applying a liquid solution of poly(methacrylamido propyl trimethyl ammonium chloride-co-acrylamide) (poly(MPTAC-co-AM)) on the testing surface, a thin film of poly(acrylic aminoethane sulfonic acid-co-acrylamide) (poly(AASA-co-AM)) is applied, where the electrostatic interaction between -SO3- and -Me3N+ facilitates rapid permeation of the solution into the solid film, leading to the formation of a hydrogel layer in situ. The coating of liquid poly(MPTAC-co-AM) sweeps away the air layer and works as a natural glue, enabling a strong bonding interaction between the hydrogel layer and the tested surface. Such a hydrogel layer is very thin (microscale), and can retain its self-adaptive adhesion even with deformation of the tested surface. When it is applied on the surface of an active frog heart, the weak heartbeats can be transduced to electrical signals. Moreover, this self-adaptive adhesion can work on both soft and hard surfaces including biological tissues, metals, rubbers, ceramics, and glass. Therefore, this in situ permeation method enables the hydrogel layer to detect weak dynamic changes on various soft and hard surfaces, which might offer a new pathway for physiological signal monitoring.
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Affiliation(s)
- Danqing Zhou
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200241, People's Republic of China.
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, East China Normal University, Shanghai, 200241, People's Republic of China.
| | - Jiahui Yu
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, East China Normal University, Shanghai, 200241, People's Republic of China.
| | - Qiuhua Zhao
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200241, People's Republic of China.
| | - Lidong Zhang
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200241, People's Republic of China.
- Chongqing Key Laboratory of Precision Optics, Chongqing Institute of East China Normal University, Chongqing, 401120, People's Republic of China
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13
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Vaghasiya JV, Mayorga-Martinez CC, Pumera M. Wearable sensors for telehealth based on emerging materials and nanoarchitectonics. NPJ FLEXIBLE ELECTRONICS 2023; 7:26. [PMID: 37304907 PMCID: PMC10237062 DOI: 10.1038/s41528-023-00261-4] [Citation(s) in RCA: 24] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/21/2023] [Accepted: 05/19/2023] [Indexed: 06/13/2023]
Abstract
Wearable sensors have made significant progress in sensing physiological and biochemical markers for telehealth. By monitoring vital signs like body temperature, arterial oxygen saturation, and breath rate, wearable sensors provide enormous potential for the early detection of diseases. In recent years, significant advancements have been achieved in the development of wearable sensors based on two-dimensional (2D) materials with flexibility, excellent mechanical stability, high sensitivity, and accuracy introducing a new approach to remote and real-time health monitoring. In this review, we outline 2D materials-based wearable sensors and biosensors for a remote health monitoring system. The review focused on five types of wearable sensors, which were classified according to their sensing mechanism, such as pressure, strain, electrochemical, optoelectronic, and temperature sensors. 2D material capabilities and their impact on the performance and operation of the wearable sensor are outlined. The fundamental sensing principles and mechanism of wearable sensors, as well as their applications are explored. This review concludes by discussing the remaining obstacles and future opportunities for this emerging telehealth field. We hope that this report will be useful to individuals who want to design new wearable sensors based on 2D materials and it will generate new ideas.
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Affiliation(s)
- Jayraj V. Vaghasiya
- Center for Advanced Functional Nanorobots, Department of Inorganic Chemistry, Faculty of Chemical Technology, University of Chemistry and Technology Prague, Technická 5, 166 28, Prague, Czech Republic
| | - Carmen C. Mayorga-Martinez
- Center for Advanced Functional Nanorobots, Department of Inorganic Chemistry, Faculty of Chemical Technology, University of Chemistry and Technology Prague, Technická 5, 166 28, Prague, Czech Republic
| | - Martin Pumera
- Center for Advanced Functional Nanorobots, Department of Inorganic Chemistry, Faculty of Chemical Technology, University of Chemistry and Technology Prague, Technická 5, 166 28, Prague, Czech Republic
- Faculty of Electrical Engineering and Computer Science, VSB - Technical University of Ostrava, 17. listopadu 2172/15, 70800 Ostrava, Czech Republic
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14
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Gong SG, Li YF, Su Y, Li B, Yang GD, Wu XL, Zhang JP, Sun HZ, Li Y. Construction of Bimetallic Heterojunction Based on Porous Engineering for High Performance Flexible Asymmetric Supercapacitors. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2205936. [PMID: 36634970 DOI: 10.1002/smll.202205936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 12/12/2022] [Indexed: 06/17/2023]
Abstract
It remains a great challenge to design and manufacture battery-type supercapacitors with satisfactory flexibility, appropriate mechanical property, and high energy density under high power density. Herein, a concept of porous engineering is proposed to simply prepare two-layered bimetallic heterojunction with porous structures. This concept is successfully applied in fabrication of flexible electrode based on CuO-Co(OH)2 lamella on Cu-plated carbon cloth (named as CPCC@CuO@Co(OH)2 ). The unique structure brings the electrode a high specific capacity of 3620 mF cm-2 at 2 mA cm-2 and appropriate mechanical properties with Young's modulus of 302.0 MPa. Density functional theory calculations show that porous heterojunction provides a higher intensity of electron state density near the Fermi level (E-Ef = 0 eV), leading to a highly conductive CPCC@CuO@Co(OH)2 electrode with both efficient charge transport and rapid ion diffusion. Notably, the supercapacitor assembled from CPCC@CuO@Co(OH)2 //CC@AC shows high energy density of 127.7 W h kg-1 at 750.0 W kg-1 , remarkable cycling performance (95.53% capacity maintaining after 10 000 cycles), and desired mechanical flexibility. The methodology and results in this work will accelerate the transformative developments of flexible energy storage devices in practical applications.
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Affiliation(s)
- Shen-Gen Gong
- National and Local United Engineering Laboratory for Power Batteries, College of Chemistry, Northeast Normal University, 5268 Renmin Street, Changchun, 130024, P. R. China
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun, 130012, P. R. China
| | - Yan-Fei Li
- National and Local United Engineering Laboratory for Power Batteries, College of Chemistry, Northeast Normal University, 5268 Renmin Street, Changchun, 130024, P. R. China
| | - Yang Su
- National and Local United Engineering Laboratory for Power Batteries, College of Chemistry, Northeast Normal University, 5268 Renmin Street, Changchun, 130024, P. R. China
| | - Bing Li
- National and Local United Engineering Laboratory for Power Batteries, College of Chemistry, Northeast Normal University, 5268 Renmin Street, Changchun, 130024, P. R. China
| | - Guo-Duo Yang
- National and Local United Engineering Laboratory for Power Batteries, College of Chemistry, Northeast Normal University, 5268 Renmin Street, Changchun, 130024, P. R. China
| | - Xing-Long Wu
- National and Local United Engineering Laboratory for Power Batteries, College of Chemistry, Northeast Normal University, 5268 Renmin Street, Changchun, 130024, P. R. China
| | - Jing-Ping Zhang
- National and Local United Engineering Laboratory for Power Batteries, College of Chemistry, Northeast Normal University, 5268 Renmin Street, Changchun, 130024, P. R. China
| | - Hai-Zhu Sun
- National and Local United Engineering Laboratory for Power Batteries, College of Chemistry, Northeast Normal University, 5268 Renmin Street, Changchun, 130024, P. R. China
| | - Yunfeng Li
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun, 130012, P. R. China
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15
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Zhang R, Jiang J, Wu W. Wearable chemical sensors based on 2D materials for healthcare applications. NANOSCALE 2023; 15:3079-3105. [PMID: 36723394 DOI: 10.1039/d2nr05447g] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Chemical sensors worn on the body could make possible the continuous, noninvasive, and accurate monitoring of vital human signals, which is necessary for remote health monitoring and telemedicine. Attractive for creating high-performance, wearable chemical sensors are atomically thin materials with intriguing physical features, abundant chemistry, and high surface-to-volume ratios. These advantages allow for appropriate material-analyte interactions, resulting in a high level of sensitivity even at trace analyte concentrations. Previous review articles covered the material and device elements of 2D material-based wearable devices extensively. In contrast, little research has addressed the existing state, future outlook, and promise of 2D materials for wearable chemical sensors. We provide an overview of recent advances in 2D-material-based wearable chemical sensors to overcome this deficiency. The structure design, manufacturing techniques, and mechanisms of 2D material-based wearable chemical sensors will be evaluated, as well as their applicability in human health monitoring. Importantly, we present a thorough review of the current state of the art and the technological gaps that would enable the future design and nanomanufacturing of 2D materials and wearable chemical sensors. Finally, we explore the challenges and opportunities associated with designing and implementing 2D wearable chemical sensors.
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Affiliation(s)
- Ruifang Zhang
- School of Industrial Engineering, Purdue University, West Lafayette, Indiana 47907, USA.
- Flex Laboratory, Purdue University, West Lafayette, Indiana 47907, USA
| | - Jing Jiang
- School of Industrial Engineering, Purdue University, West Lafayette, Indiana 47907, USA.
- Flex Laboratory, Purdue University, West Lafayette, Indiana 47907, USA
| | - Wenzhuo Wu
- School of Industrial Engineering, Purdue University, West Lafayette, Indiana 47907, USA.
- Flex Laboratory, Purdue University, West Lafayette, Indiana 47907, USA
- Regenstrief Center for Healthcare Engineering, Purdue University, West Lafayette, Indiana 47907, USA
- The Center for Education and Research in Information Assurance and Security (CERIAS), Purdue University, West Lafayette, IN 47907, USA
- Birck Nanotechnology Center, Purdue University, West Lafayette, IN 47907, USA
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16
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Juo JY, Shin BG, Stiepany W, Memmler M, Kern K, Jung SJ. In-situ atomic level observation of the strain response of graphene lattice. Sci Rep 2023; 13:2451. [PMID: 36774393 PMCID: PMC9922254 DOI: 10.1038/s41598-023-29128-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Accepted: 01/31/2023] [Indexed: 02/13/2023] Open
Abstract
Strain is inevitable in two-dimensional (2D) materials, regardless of whether the film is suspended or supported. However, the direct measurement of strain response at the atomic scale is challenging due to the difficulties of maintaining both flexibility and mechanical stability at low temperature under UHV conditions. In this work, we have implemented a compact nanoindentation system with a size of [Formula: see text] 160 mm[Formula: see text] [Formula: see text] 5.2 mm in a scanning tunneling microscope (STM) sample holder, which enables the reversible control of strain and gate electric field. A combination of gearbox and piezoelectric actuator allowed us to modulate the depth of the indentation continuously with nanometer precision. The 2D materials were transferred onto the polyimide film. Pd clamp was used to enhance the strain transfer from the polyimide from to the 2D layers. Using this unique technique, strain response of graphene lattice were observed at atomic precision. In the relaxed graphene, strain is induced mainly by local curvature. However, in the strained graphene with tented structure, the lattice parameters become more sensitive to the indentor height change and stretching strain is increased additionally. Moreover, the gate controllability is confirmed by measuring the dependence of the STM tip height on gate voltage.
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Affiliation(s)
- Jz-Yuan Juo
- grid.419552.e0000 0001 1015 6736Max-Planck-Institut für Festkörperforschung, Heisenbergstraße 1, 70569 Stuttgart, Germany
| | - Bong Gyu Shin
- grid.419552.e0000 0001 1015 6736Max-Planck-Institut für Festkörperforschung, Heisenbergstraße 1, 70569 Stuttgart, Germany ,grid.264381.a0000 0001 2181 989XSKKU Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University (SKKU), Suwon, 440-746 Republic of Korea
| | - Wolfgang Stiepany
- grid.419552.e0000 0001 1015 6736Max-Planck-Institut für Festkörperforschung, Heisenbergstraße 1, 70569 Stuttgart, Germany
| | - Marko Memmler
- grid.419552.e0000 0001 1015 6736Max-Planck-Institut für Festkörperforschung, Heisenbergstraße 1, 70569 Stuttgart, Germany
| | - Klaus Kern
- grid.419552.e0000 0001 1015 6736Max-Planck-Institut für Festkörperforschung, Heisenbergstraße 1, 70569 Stuttgart, Germany ,grid.5333.60000000121839049Institut de Physique, École Poly-technique Fédérale de Lausanne, 1015 Lausanne, Switzerland
| | - Soon Jung Jung
- Max-Planck-Institut für Festkörperforschung, Heisenbergstraße 1, 70569, Stuttgart, Germany.
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17
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Felicia WXL, Rovina K, ‘Aqilah NMN, Vonnie JM, Yin KW, Huda N. Assessing Meat Freshness via Nanotechnology Biosensors: Is the World Prepared for Lightning-Fast Pace Methods? BIOSENSORS 2023; 13:217. [PMID: 36831985 PMCID: PMC9954215 DOI: 10.3390/bios13020217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 01/11/2023] [Accepted: 01/12/2023] [Indexed: 06/18/2023]
Abstract
In the rapidly evolving field of food science, nanotechnology-based biosensors are one of the most intriguing techniques for tracking meat freshness. Purine derivatives, especially hypoxanthine and xanthine, are important signs of food going bad, especially in meat and meat products. This article compares the analytical performance parameters of traditional biosensor techniques and nanotechnology-based biosensor techniques that can be used to find purine derivatives in meat samples. In the introduction, we discussed the significance of purine metabolisms as analytes in the field of food science. Traditional methods of analysis and biosensors based on nanotechnology were also briefly explained. A comprehensive section of conventional and nanotechnology-based biosensing techniques is covered in detail, along with their analytical performance parameters (selectivity, sensitivity, linearity, and detection limit) in meat samples. Furthermore, the comparison of the methods above was thoroughly explained. In the last part, the pros and cons of the methods and the future of the nanotechnology-based biosensors that have been created are discussed.
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Affiliation(s)
- Wen Xia Ling Felicia
- Faculty of Food Science and Nutrition, Universiti Malaysia Sabah, Kota Kinabalu 88400, Sabah, Malaysia
| | - Kobun Rovina
- Faculty of Food Science and Nutrition, Universiti Malaysia Sabah, Kota Kinabalu 88400, Sabah, Malaysia
| | - Nasir Md Nur ‘Aqilah
- Faculty of Food Science and Nutrition, Universiti Malaysia Sabah, Kota Kinabalu 88400, Sabah, Malaysia
| | - Joseph Merillyn Vonnie
- Faculty of Food Science and Nutrition, Universiti Malaysia Sabah, Kota Kinabalu 88400, Sabah, Malaysia
| | - Koh Wee Yin
- Faculty of Food Science and Nutrition, Universiti Malaysia Sabah, Kota Kinabalu 88400, Sabah, Malaysia
| | - Nurul Huda
- Faculty of Sustainable Agriculture, Universiti Malaysia Sabah, Locked Bag No. 3, Sandakan 90509, Sabah, Malaysia
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18
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2D Materials towards sensing technology: From fundamentals to applications. SENSING AND BIO-SENSING RESEARCH 2022. [DOI: 10.1016/j.sbsr.2022.100540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
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19
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Tang H, Li Y, Chen B, Chen X, Han Y, Guo M, Xia HQ, Song R, Zhang X, Zhou J. In Situ Forming Epidermal Bioelectronics for Daily Monitoring and Comprehensive Exercise. ACS NANO 2022; 16:17931-17947. [PMID: 36200714 DOI: 10.1021/acsnano.2c03414] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Conventional epidermal bioelectronics usually do not conform well with natural skin surfaces and are susceptible to motion artifact interference, due to incompatible dimensions, insufficient adhesion, imperfect compliance, and usually require complex manufacturing and high costs. We propose in situ forming hydrogel electrodes or electronics (ISF-HEs) that can establish highly conformal interfaces on curved biological surfaces without auxiliary adhesions. The ISF-HEs also have favorable flexibility and soft compliance comparable to human skin (≈0.02 kPa-1), which can stably maintain synchronous movements with deformed skins. Thus, the as-prepared ISF-HEs can accurately monitor large and tiny human motions with short response time (≈180 ms), good biocompatibility, and excellent performance. The as-obtained nongapped hydrogel electrode-skin interfaces achieve ultralow interfacial impedance (≈50 KΩ), nearly an order of magnitude lower than commercial Ag|AgCl electrodes as well as other reported dry and wet electrodes, regardless of the intrinsic micro-obstacles (wrinkles, hair) and skin deformation interference. Therefore, the ISF-HEs can collect high-quality electrocardiography and surface electromyography (sEMG) signals, with high signal-to-noise ratio (SNR ≈ 32.04 dB), reduced signal crosstalk, and minimized motion artifact interference. Simultaneously monitoring human motions and sEMG signals have also been implemented for the general exercise status assessment, such as the shooting competition in the Olympics. The as-prepared ISF-HEs can be considered as supplements/substitutes of conventional electrodes in percutaneously noninvasive monitoring of multifunctional physiological signals for health and exercise status.
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Affiliation(s)
- Hao Tang
- Key Laboratory of Sensing Technology and Biomedical Instruments of Guangdong Province, School of Biomedical Engineering, Sun Yat-sen University, Guangzhou 510275, China
| | - Yuanfang Li
- Key Laboratory of Sensing Technology and Biomedical Instruments of Guangdong Province, School of Biomedical Engineering, Sun Yat-sen University, Guangzhou 510275, China
| | - Baiqi Chen
- Key Laboratory of Sensing Technology and Biomedical Instruments of Guangdong Province, School of Biomedical Engineering, Sun Yat-sen University, Guangzhou 510275, China
| | - Xing Chen
- School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, United States
| | - Yulong Han
- School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, United States
- School of Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Ming Guo
- School of Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Hong-Qi Xia
- Key Laboratory of South Subtropical Fruit Biology and Genetic Resource Utilization, Ministry of Agriculture and Rural Affairs, Institute of Fruit Tree Research, Guangdong Academy of Agricultural Sciences, Guangdong Provincial Key Laboratory of Tropical and Subtropical Fruit Tree Research, Guangzhou 510640, China
| | - Rong Song
- Key Laboratory of Sensing Technology and Biomedical Instruments of Guangdong Province, School of Biomedical Engineering, Sun Yat-sen University, Guangzhou 510275, China
| | - Xingcai Zhang
- School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, United States
- School of Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Jianhua Zhou
- Key Laboratory of Sensing Technology and Biomedical Instruments of Guangdong Province, School of Biomedical Engineering, Sun Yat-sen University, Guangzhou 510275, China
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, Massachusetts 02139, United States
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20
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Wang Y, Li T, Li Y, Yang R, Zhang G. 2D-Materials-Based Wearable Biosensor Systems. BIOSENSORS 2022; 12:bios12110936. [PMID: 36354445 PMCID: PMC9687877 DOI: 10.3390/bios12110936] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 10/21/2022] [Accepted: 10/25/2022] [Indexed: 05/24/2023]
Abstract
As an evolutionary success in life science, wearable biosensor systems, which can monitor human health information and quantify vital signs in real time, have been actively studied. Research in wearable biosensor systems is mainly focused on the design of sensors with various flexible materials. Among them, 2D materials with excellent mechanical, optical, and electrical properties provide the expected characteristics to address the challenges of developing microminiaturized wearable biosensor systems. This review summarizes the recent research progresses in 2D-materials-based wearable biosensors including e-skin, contact lens sensors, and others. Then, we highlight the challenges of flexible power supply technologies for smart systems. The latest advances in biosensor systems involving wearable wristbands, diabetic patches, and smart contact lenses are also discussed. This review will enable a better understanding of the design principle of 2D biosensors, offering insights into innovative technologies for future biosensor systems toward their practical applications.
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Affiliation(s)
- Yi Wang
- School of Physics and Electronics, Hunan University, Changsha 410082, China
- College of Semiconductors (College of Integrated Circuits), Hunan University, Changsha 410082, China
- Songshan Lake Materials Laboratory, Dongguan 523808, China
| | - Tong Li
- School of Physics and Electronics, Hunan University, Changsha 410082, China
- College of Semiconductors (College of Integrated Circuits), Hunan University, Changsha 410082, China
- Songshan Lake Materials Laboratory, Dongguan 523808, China
| | - Yangfeng Li
- College of Semiconductors (College of Integrated Circuits), Hunan University, Changsha 410082, China
| | - Rong Yang
- School of Physics and Electronics, Hunan University, Changsha 410082, China
- College of Semiconductors (College of Integrated Circuits), Hunan University, Changsha 410082, China
| | - Guangyu Zhang
- Songshan Lake Materials Laboratory, Dongguan 523808, China
- Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
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21
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Li Y, Yan X, Zhang L, Diao L. Thyme-Loaded Nanofibrous Dressing for Skin Wound Healing: A Combination of Chinese Traditional Medicine with Cutting-Edge Technology. J Biomed Nanotechnol 2022. [DOI: 10.1166/jbn.2022.3440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The skin has vital functions and its defects and damages must be properly treated and healed. Chinese traditional herbal medicine has a long history in skin wound healing, and its merging with novel approaches (nanotechnology) has resulted in more promising results. The current study
aimed to combine the biological properties of a long-lasting Chinese traditional herbal medicine (Thyme) with cutting-edge technology (electrospinning) to the fabricated interactive and bioactive wound dressing. The extract of Thyme was obtained and added into the polymeric solution and converted
to the nanofibrous wound dressing. The SEM analysis revealed that the fabricated nanofibers were intact without deformity with an acceptable nanometric diameter. The release kinetics evaluation showed that 80±4% of the extract was released from the nanofibers during the first 24 h.
Hemolysis lower than 8% for all nanofibers revealed hemocompatibility in the fabricated wound dressings. The in vitro studies confirmed the cytocompatibility of the nanofibers. The applied animal studies exhibited that the Thyme-loaded nanofibrous dressing enhanced the wound-healing
process in a dose-dependent manner. These findings demonstrate the combination of Chinese traditional herbal medicine with modern cutting-edge technology, resulting in an interactive nanofibrous mat with promising potential as the wound dressing material.
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Affiliation(s)
- Yang Li
- Department of Plastic Surgery, Central Hospital Affiliated to Shandong First Medical University, Jinan City, Shandong Province, 250013, China
| | - Xin Yan
- Department of Medical Insurance, Central Hospital Affiliated to Shandong First Medical University, Jinan City, Shandong Province, 250013, China
| | - Lei Zhang
- Department of Burn and Plastic Surgery, Central Hospital Affiliated to Shandong First Medical University, Jinan City, Shandong Province, 250013, China
| | - Lixia Diao
- Department of Medical Insurance, Central Hospital Affiliated to Shandong First Medical University, Jinan City, Shandong Province, 250013, China
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22
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The era of nano-bionic: 2D materials for wearable and implantable body sensors. Adv Drug Deliv Rev 2022; 186:114315. [PMID: 35513130 DOI: 10.1016/j.addr.2022.114315] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 03/30/2022] [Accepted: 04/29/2022] [Indexed: 12/20/2022]
Abstract
Nano-bionics have the potential of revolutionizing modern medicine. Among nano-bionic devices, body sensors allow to monitor in real-time the health of patients, to achieve personalized medicine, and even to restore or enhance human functions. The advent of two-dimensional (2D) materials is facilitating the manufacturing of miniaturized and ultrathin bioelectronics, that can be easily integrated in the human body. Their unique electronic properties allow to efficiently transduce physical and chemical stimuli into electric current. Their flexibility and nanometric thickness facilitate the adaption and adhesion to human body. The low opacity permits to obtain transparent devices. The good cellular adhesion and reduced cytotoxicity are advantageous for the integration of the devices in vivo. Herein we review the latest and more significant examples of 2D material-based sensors for health monitoring, describing their architectures, sensing mechanisms, advantages and, as well, the challenges and drawbacks that hampers their translation into commercial clinical devices.
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Rozhin P, Abdel Monem Gamal J, Giordani S, Marchesan S. Carbon Nanomaterials (CNMs) and Enzymes: From Nanozymes to CNM-Enzyme Conjugates and Biodegradation. MATERIALS (BASEL, SWITZERLAND) 2022; 15:1037. [PMID: 35160982 PMCID: PMC8838330 DOI: 10.3390/ma15031037] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Revised: 01/20/2022] [Accepted: 01/26/2022] [Indexed: 01/27/2023]
Abstract
Carbon nanomaterials (CNMs) and enzymes differ significantly in terms of their physico-chemical properties-their handling and characterization require very different specialized skills. Therefore, their combination is not trivial. Numerous studies exist at the interface between these two components-especially in the area of sensing-but also involving biofuel cells, biocatalysis, and even biomedical applications including innovative therapeutic approaches and theranostics. Finally, enzymes that are capable of biodegrading CNMs have been identified, and they may play an important role in controlling the environmental fate of these structures after their use. CNMs' widespread use has created more and more opportunities for their entry into the environment, and thus it becomes increasingly important to understand how to biodegrade them. In this concise review, we will cover the progress made in the last five years on this exciting topic, focusing on the applications, and concluding with future perspectives on research combining carbon nanomaterials and enzymes.
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Affiliation(s)
- Petr Rozhin
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, 34127 Trieste, Italy;
| | - Jada Abdel Monem Gamal
- School of Chemical Sciences, Faculty of Science & Health, Dublin City University, D09 E432 Dublin, Ireland;
- Department of Chemistry, Faculty of Mathematical, Physical and Natural Sciences, University Sapienza of Rome, 00185 Rome, Italy
| | - Silvia Giordani
- School of Chemical Sciences, Faculty of Science & Health, Dublin City University, D09 E432 Dublin, Ireland;
| | - Silvia Marchesan
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, 34127 Trieste, Italy;
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24
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One-step hydrothermal synthesis of WS2 quantum dots as fluorescent sensor for sensitive and selective recognition of hemoglobin and cardiac biomarker myoglobin. Anal Bioanal Chem 2022; 414:1623-1630. [DOI: 10.1007/s00216-021-03784-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 10/24/2021] [Accepted: 11/09/2021] [Indexed: 01/12/2023]
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25
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Yu LP, Zhou XH, Lu L, Xu L, Wang FJ. MXene/Carbon Nanotube Hybrids: Synthesis, Structures, Properties, and Applications. CHEMSUSCHEM 2021; 14:5079-5111. [PMID: 34570428 DOI: 10.1002/cssc.202101614] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 09/25/2021] [Indexed: 06/13/2023]
Abstract
Since the successful preparation of few-layer transition metal carbides from three-dimensional MAX phases in 2011, MXenes (known as a family of layered transition metal carbides, nitrides, and carbonitrides) have been intensively studied. Though MXenes have been adopted as active materials in many applications, issues including aggregation and restacking are likely to hamper their potential applications. In order to address these prevailing challenges, the concept of MXene/carbon nanotube (CNT) hybrids was proposed initially in 2015, where CNTs were incorporated as the spacers and conductive additives. Ever since, MXene/CNT hybrids with different architectures have been synthesized by a number of methods and applied in numerous fields. Herein, after the discussion about general synthesis approaches, architectures, and properties of the hybrids, this Review summarized the recent advances in the application of MXene/CNT hybrids in energy storage devices, sensors, electrocatalysis, electromagnetic interference shielding, and water treatment, in which the function of individual components was clarified. In the end, the current research trend in this field were discussed and several technical issues were highlighted along with some suggestions on future research directions.
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Affiliation(s)
- Le Ping Yu
- Institute of Automotive Technology, Wuxi Vocational Institute of Commerce, Wuxi, Jiangsu, 214153, P. R. China
| | - Xiao Hong Zhou
- Institute of Automotive Technology, Wuxi Vocational Institute of Commerce, Wuxi, Jiangsu, 214153, P. R. China
| | - Lu Lu
- Institute of Automotive Technology, Wuxi Vocational Institute of Commerce, Wuxi, Jiangsu, 214153, P. R. China
| | - Lyu Xu
- Institute of Automotive Technology, Wuxi Vocational Institute of Commerce, Wuxi, Jiangsu, 214153, P. R. China
| | - Feng Jun Wang
- Institute of Automotive Technology, Wuxi Vocational Institute of Commerce, Wuxi, Jiangsu, 214153, P. R. China
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26
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Yu T, Shan Y, Li Z, Wang X, Cui H, Yang K, Cui Y. Application of a super-stretched self-healing elastomer based on methyl vinyl silicone rubber for wearable electronic sensors. Polym Chem 2021. [DOI: 10.1039/d1py01089a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A super-stretched self-healing elastomer for flexible electronic devices by introducing quadruple hydrogen bonds.
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Affiliation(s)
- Tianwen Yu
- College of Chemical Engineering and Materials Science, Tianjin University of Science and Technology, Tianjin 300457, PR China
| | - Yifei Shan
- College of Chemical Engineering and Materials Science, Tianjin University of Science and Technology, Tianjin 300457, PR China
| | - Zhixi Li
- College of Chemical Engineering and Materials Science, Tianjin University of Science and Technology, Tianjin 300457, PR China
| | - Xiaoxiao Wang
- College of Chemical Engineering and Materials Science, Tianjin University of Science and Technology, Tianjin 300457, PR China
| | - Huanan Cui
- China Academy of Space Technology, Beijing 100094, PR China
| | - Kun Yang
- Institute of Molecular Aggregation Science, Tianjin University, Tianjin 300072, PR China
| | - Yongyan Cui
- College of Chemical Engineering and Materials Science, Tianjin University of Science and Technology, Tianjin 300457, PR China
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