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Charland-Martin A, Collier GS. Understanding Degradation Dynamics of Azomethine-containing Conjugated Polymers. Macromolecules 2024; 57:6146-6155. [PMID: 39005947 PMCID: PMC11238594 DOI: 10.1021/acs.macromol.4c01168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2024] [Accepted: 06/11/2024] [Indexed: 07/16/2024]
Abstract
Understanding the influence of chemical environments on the degradation properties of conjugated polymers is an important task for the continued development of sustainable materials with potential utility in biomedical and optoelectronic applications. Azomethine-containing polymers were synthesized via palladium-catalyzed direct arylation polymerization (DArP) and used to study fundamental degradation trends upon exposure to acid. Shifts in the UV-vis absorbance spectra and the appearance/disappearance of aldehyde and imine diagnostic peaks within the 1H NMR spectra indicate that the polymers will degrade in the presence of acid. After degradation, the aldehyde starting material was recovered in high yields and was shown to maintain structural integrity when compared with commercial starting materials. Solution-degradation studies found that rates of degradation vary from 5 h to 90 s depending on the choice of solvent or acid used for hydrolysis. Additionally, the polymer was shown to degrade in the presence of perfluoroalkyl substances (PFASs), which makes them potentially useful as PFAS-sensitive sensors. Ultimately, this research provides strategies to control the degradation kinetics of azomethine-containing polymers through the manipulation of environmental factors and guides the continued development of azomethine-based materials.
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Affiliation(s)
- Ariane Charland-Martin
- Department
of Chemistry and Biochemistry, Kennesaw
State University, Kennesaw, Georgia 30144, United States
| | - Graham S. Collier
- Department
of Chemistry and Biochemistry, Kennesaw
State University, Kennesaw, Georgia 30144, United States
- School
of Polymer Science and Engineering, University of Southern Mississippi, Hattiesburg, Mississippi 39406, United States
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2
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Uva A, Michailovich S, Hsu NSY, Tran H. Degradable π-Conjugated Polymers. J Am Chem Soc 2024; 146:12271-12287. [PMID: 38656104 DOI: 10.1021/jacs.4c03194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/26/2024]
Abstract
The integration of next-generation electronics into society is rapidly reshaping our daily interactions and lifestyles, revolutionizing communication and engagement with the world. Future electronics promise stimuli-responsive features and enhanced biocompatibility, such as skin-like health monitors and sensors embedded in food packaging, transforming healthcare and reducing food waste. Imparting degradability may reduce the adverse environmental impact of next-generation electronics and lead to opportunities for environmental and health monitoring. While advancements have been made in producing degradable materials for encapsulants, substrates, and dielectrics, the availability of degradable conducting and semiconducting materials remains restricted. π-Conjugated polymers are promising candidates for the development of degradable conductors or semiconductors due to the ability to tune their stimuli-responsiveness, biocompatibility, and mechanical durability. This perspective highlights three design considerations: the selection of π-conjugated monomers, synthetic coupling strategies, and degradation of π-conjugated polymers, for generating π-conjugated materials for degradable electronics. We describe the current challenges with monomeric design and present options to circumvent these issues by highlighting biobased π-conjugated compounds with known degradation pathways and stable monomers that allow for chemically recyclable polymers. Next, we present coupling strategies that are compatible for the synthesis of degradable π-conjugated polymers, including direct arylation polymerization and enzymatic polymerization. Lastly, we discuss various modes of depolymerization and characterization techniques to enhance our comprehension of potential degradation byproducts formed during polymer cleavage. Our perspective considers these three design parameters in parallel rather than independently while having a targeted application in mind to accelerate the discovery of next-generation high-performance π-conjugated polymers for degradable organic electronics.
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Affiliation(s)
- Azalea Uva
- Department of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada
| | - Sofia Michailovich
- Department of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada
| | - Nathan Sung Yuan Hsu
- Department of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada
| | - Helen Tran
- Department of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada
- Acceleration Consortium, University of Toronto, Toronto, Ontario M5S 3H6, Canada
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3
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Song J, Liu H, Zhao Z, Lin P, Yan F. Flexible Organic Transistors for Biosensing: Devices and Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2300034. [PMID: 36853083 DOI: 10.1002/adma.202300034] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Revised: 02/20/2023] [Indexed: 06/18/2023]
Abstract
Flexible and stretchable biosensors can offer seamless and conformable biological-electronic interfaces for continuously acquiring high-fidelity signals, permitting numerous emerging applications. Organic thin film transistors (OTFTs) are ideal transducers for flexible and stretchable biosensing due to their soft nature, inherent amplification function, biocompatibility, ease of functionalization, low cost, and device diversity. In consideration of the rapid advances in flexible-OTFT-based biosensors and their broad applications, herein, a timely and comprehensive review is provided. It starts with a detailed introduction to the features of various OTFTs including organic field-effect transistors and organic electrochemical transistors, and the functionalization strategies for biosensing, with a highlight on the seminal work and up-to-date achievements. Then, the applications of flexible-OTFT-based biosensors in wearable, implantable, and portable electronics, as well as neuromorphic biointerfaces are detailed. Subsequently, special attention is paid to emerging stretchable organic transistors including planar and fibrous devices. The routes to impart stretchability, including structural engineering and material engineering, are discussed, and the implementations of stretchable organic transistors in e-skin and smart textiles are included. Finally, the remaining challenges and the future opportunities in this field are summarized.
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Affiliation(s)
- Jiajun Song
- Department of Applied Physics, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, 999077, P. R. China
| | - Hong Liu
- Department of Applied Physics, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, 999077, P. R. China
| | - Zeyu Zhao
- Department of Applied Physics, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, 999077, P. R. China
| | - Peng Lin
- Shenzhen Key Laboratory of Special Functional Materials and Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Feng Yan
- Department of Applied Physics, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, 999077, P. R. China
- Research Institute of Intelligent Wearable Systems, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, 999077, P. R. China
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4
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Lee JH, Cho K, Kim JK. Age of Flexible Electronics: Emerging Trends in Soft Multifunctional Sensors. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2310505. [PMID: 38258951 DOI: 10.1002/adma.202310505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 12/27/2023] [Indexed: 01/24/2024]
Abstract
With the commercialization of first-generation flexible mobiles and displays in the late 2010s, humanity has stepped into the age of flexible electronics. Inevitably, soft multifunctional sensors, as essential components of next-generation flexible electronics, have attracted tremendous research interest like never before. This review is dedicated to offering an overview of the latest emerging trends in soft multifunctional sensors and their accordant future research and development (R&D) directions for the coming decade. First, key characteristics and the predominant target stimuli for soft multifunctional sensors are highlighted. Second, important selection criteria for soft multifunctional sensors are introduced. Next, emerging materials/structures and trends for soft multifunctional sensors are identified. Specifically, the future R&D directions of these sensors are envisaged based on their emerging trends, namely i) decoupling of multiple stimuli, ii) data processing, iii) skin conformability, and iv) energy sources. Finally, the challenges and potential opportunities for these sensors in future are discussed, offering new insights into prospects in the fast-emerging technology.
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Affiliation(s)
- Jeng-Hun Lee
- Department of Chemical Engineering, Pohang University of Science and Technology, Pohang, 37673, South Korea
| | - Kilwon Cho
- Department of Chemical Engineering, Pohang University of Science and Technology, Pohang, 37673, South Korea
| | - Jang-Kyo Kim
- Department of Mechanical Engineering, Khalifa University, P. O. Box 127788, Abu Dhabi, United Arab Emirates
- School of Mechanical and Manufacturing Engineering, University of New South Wales, Sydney, NSW, 2052, Australia
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5
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Yamada S. Biodegradable Mg-Mo 2C MXene Air Batteries for Transient Energy Storage. ACS APPLIED MATERIALS & INTERFACES 2024; 16:14759-14769. [PMID: 38497977 PMCID: PMC10982942 DOI: 10.1021/acsami.3c17692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2023] [Revised: 02/07/2024] [Accepted: 03/05/2024] [Indexed: 03/19/2024]
Abstract
Primary batteries are the fundamental power sources in small electronic gadgets and bio/ecoresorbable batteries. They are fabricated from benign and biodegradable materials and are of interest in environmental sensing and implants because of their low toxicity toward the environment and human body during decomposition. However, current bio/ecoresorbable batteries suffer from low operating voltages and output powers because of the occurrence of undesired hydrogen evolution reactions (HERs) at cathodes. Herein, Mo2C MXene was used as a cathode to achieve high operating voltage and areal power. Mo2C provides energy barriers for HERs in alkaline solutions, and such barriers suppress HERs and allow the oxygen reduction reaction to dominate at the cathode. The fabricated battery exhibits an operating voltage and areal power of 1.4 V and 0.92 mW cm-2, respectively. Degradation tests show that the full cell completely degrades within 123 days, leaving only Mo fragments from the electrode and biodegradable encapsulation. This study provides insights into bio/ecoresorbable batteries with high power and operating voltage, which can be used for environmental sensing.
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Affiliation(s)
- Shunsuke Yamada
- Department of Robotics, Tohoku University, Room 113, Building
No. A15, Area A01, 6-6-01 Aoba,
Aramakiaza, Aobaku, Sendaishi, Miyagi 980-8579, Japan
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6
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James BD, Ward CP, Hahn ME, Thorpe SJ, Reddy CM. Minimizing the Environmental Impacts of Plastic Pollution through Ecodesign of Products with Low Environmental Persistence. ACS SUSTAINABLE CHEMISTRY & ENGINEERING 2024; 12:1185-1194. [PMID: 38273987 PMCID: PMC10806995 DOI: 10.1021/acssuschemeng.3c05534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 11/30/2023] [Accepted: 12/01/2023] [Indexed: 01/27/2024]
Abstract
While plastic pollution threatens ecosystems and human health, the use of plastic products continues to increase. Limiting its harm requires design strategies for plastic products informed by the threats that plastics pose to the environment. Thus, we developed a sustainability metric for the ecodesign of plastic products with low environmental persistence and uncompromised performance. To do this, we integrated the environmental degradation rate of plastic into established material selection strategies, deriving material indices for environmental persistence. By comparing indices for the environmental impact of on-the-market plastics and proposed alternatives, we show that accounting for the environmental persistence of plastics in design could translate to societal benefits of hundreds of millions of dollars for a single consumer product. Our analysis identifies the materials and their properties that deserve development, adoption, and investment to create functional and less environmentally impactful plastic products.
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Affiliation(s)
- Bryan D. James
- Department
of Marine Chemistry and Geochemistry, Woods
Hole Oceanographic Institution; Woods Hole, Massachusetts 02543, United States
- Department
of Biology, Woods Hole Oceanographic Institution; Woods Hole, Massachusetts 02543, United States
| | - Collin P. Ward
- Department
of Marine Chemistry and Geochemistry, Woods
Hole Oceanographic Institution; Woods Hole, Massachusetts 02543, United States
| | - Mark E. Hahn
- Department
of Biology, Woods Hole Oceanographic Institution; Woods Hole, Massachusetts 02543, United States
| | - Steven J. Thorpe
- Department
of Materials Science and Engineering, University
of Toronto; Toronto, Ontario M5S 3E4, Canada
| | - Christopher M. Reddy
- Department
of Marine Chemistry and Geochemistry, Woods
Hole Oceanographic Institution; Woods Hole, Massachusetts 02543, United States
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7
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Zhu Y, Wang Z, Chen Z, Xin X, Gan W, Lai H, Lin C. Highly Stretchable, Biodegradable, and Recyclable Green Electronic Substrates. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2305181. [PMID: 37699749 DOI: 10.1002/smll.202305181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 08/22/2023] [Indexed: 09/14/2023]
Abstract
As a steady stream of electronic devices being discarded, a vast amount of electronic substrate waste of petroleum-based nondegradable polymers is generated, raising endless concerns about resource depletion and environmental pollution. With coupled reagent (CR)-grafted artificial marble waste (AMW@CR) as functional fillers, polylactic acid (PLA)-based highly stretchable biodegradable green composite (AMW@CR-SBGC) is prepared, with elongation at break up to more than 250%. The degradation mechanism of AMW@CR-SBGC is deeply revealed. AMW@CR not only contributed to the photodegradation of AMW@CR-SBGC but also significantly promoted the water degradation of AMW@CR-SBGC. More importantly, AMW@CR-SBGC showed great potential as sustainable green electronic substrates and AMW@CR-SBGC-based electronic skin can simulate the perception of human skin to strain signals. The outstanding programmable degradability, recyclability, and reusability of AMW@CR-SBGC enabled its application in transient electronics. As the first demonstration of artificial marble waste in electronic substrates, AMW@CR-SBGC killed three birds with one stone in terms of waste resourcing, e-waste reduction, and saving nonrenewable petroleum resources, opening up vast new opportunities for green electronics applications in areas such as health monitoring, artificial intelligence, and security.
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Affiliation(s)
- Yan Zhu
- School of Astronautics, Harbin Institute of Technology, Harbin, 150001, P. R. China
- Advanced Materials Industry Institute, Guangxi Academy of Sciences, 530007, Nanning, P. R. China
- School of Materials Science and Engineering, Guilin University of Electronic Technology, Guilin, 541004, P. R. China
| | - Zhongmin Wang
- Advanced Materials Industry Institute, Guangxi Academy of Sciences, 530007, Nanning, P. R. China
| | - Zhenming Chen
- Guangxi Key Laboratory of Calcium Carbonate Resources Comprehensive Utilization, Hezhou University, Hezhou, 542899, P. R. China
| | - Xiaozhou Xin
- School of Astronautics, Harbin Institute of Technology, Harbin, 150001, P. R. China
| | - Weijiang Gan
- Advanced Materials Industry Institute, Guangxi Academy of Sciences, 530007, Nanning, P. R. China
| | - Huajun Lai
- Advanced Materials Industry Institute, Guangxi Academy of Sciences, 530007, Nanning, P. R. China
| | - Cheng Lin
- School of Astronautics, Harbin Institute of Technology, Harbin, 150001, P. R. China
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8
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Zhao Y, Zhong W. Recent Progress in Advanced Polyester Elastomers for Tissue Engineering and Bioelectronics. Molecules 2023; 28:8025. [PMID: 38138515 PMCID: PMC10745526 DOI: 10.3390/molecules28248025] [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: 11/09/2023] [Revised: 12/06/2023] [Accepted: 12/07/2023] [Indexed: 12/24/2023] Open
Abstract
Polyester elastomers are highly flexible and elastic materials that have demonstrated considerable potential in various biomedical applications including cardiac, vascular, neural, and bone tissue engineering and bioelectronics. Polyesters are desirable candidates for future commercial implants due to their biocompatibility, biodegradability, tunable mechanical properties, and facile synthesis and fabrication methods. The incorporation of bioactive components further improves the therapeutic effects of polyester elastomers in biomedical applications. In this review, novel structural modification methods that contribute to outstanding mechanical behaviors of polyester elastomers are discussed. Recent advances in the application of polyester elastomers in tissue engineering and bioelectronics are outlined and analyzed. A prospective of the future research and development on polyester elastomers is also provided.
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Affiliation(s)
- Yawei Zhao
- Department of Biosystems Engineering, University of Manitoba, Winnipeg, MB R3T 2N2, Canada;
| | - Wen Zhong
- Department of Biosystems Engineering, University of Manitoba, Winnipeg, MB R3T 2N2, Canada;
- Department of Medical Microbiology, University of Manitoba, Winnipeg, MB R3T 2N2, Canada
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9
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McDonald SM, Yang Q, Hsu YH, Nikam SP, Hu Z, Wang Z, Asheghali D, Yen T, Dobrynin AV, Rogers JA, Becker ML. Resorbable barrier polymers for flexible bioelectronics. Nat Commun 2023; 14:7299. [PMID: 37949871 PMCID: PMC10638316 DOI: 10.1038/s41467-023-42775-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Accepted: 10/20/2023] [Indexed: 11/12/2023] Open
Abstract
Resorbable, implantable bioelectronic devices are emerging as powerful tools to reliably monitor critical physiological parameters in real time over extended periods. While degradable magnesium-based electronics have pioneered this effort, relatively short functional lifetimes have slowed clinical translation. Barrier films that are both flexible and resorbable over predictable timelines would enable tunability in device lifetime and expand the viability of these devices. Herein, we present a library of stereocontrolled succinate-based copolyesters which leverage copolymer composition and processing method to afford tunability over thermomechanical, crystalline, and barrier properties. One copolymer composition within this library has extended the functional lifetime of transient bioelectronic prototypes over existing systems by several weeks-representing a considerable step towards translational devices.
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Affiliation(s)
| | - Quansan Yang
- Department of Mechanical Engineering, Northwestern University, Evanston, IL, 60208, USA
- Querrey Simpson Institute for Bioelectronics, Northwestern University, Evanston, IL, 60208, USA
| | - Yen-Hao Hsu
- Department of Chemistry, Duke University, Durham, NC, 27708, USA
| | - Shantanu P Nikam
- Department of Chemistry, Duke University, Durham, NC, 27708, USA
| | - Ziying Hu
- Querrey Simpson Institute for Bioelectronics, Northwestern University, Evanston, IL, 60208, USA
| | - Zilu Wang
- Department of Chemistry, University of North Carolina-Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Darya Asheghali
- Department of Chemistry, Duke University, Durham, NC, 27708, USA
| | - Tiffany Yen
- Department of Chemistry, Duke University, Durham, NC, 27708, USA
| | - Andrey V Dobrynin
- Department of Chemistry, University of North Carolina-Chapel Hill, Chapel Hill, NC, 27599, USA
| | - John A Rogers
- Department of Mechanical Engineering, Northwestern University, Evanston, IL, 60208, USA.
- Querrey Simpson Institute for Bioelectronics, Northwestern University, Evanston, IL, 60208, USA.
- Department of Biomedical Engineering and Neurological Surgery, Northwestern University, Evanston, IL, 60208, USA.
- Department of Materials Science and Engineering, Northwestern University, Evanston, IL, 60208, USA.
| | - Matthew L Becker
- Department of Chemistry, Duke University, Durham, NC, 27708, USA.
- Thomas Lord Department of Mechanical Engineering and Materials Science, Duke University, Durham, NC, 27708, USA.
- Department of Biomedical Engineering, Duke University, Durham, NC, 27708, USA.
- Department of Orthopedic Surgery, Duke University, Durham, NC, 27708, USA.
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10
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Wu N, Huang G, Huang H, Wang Y, Gu X, Wang X, Qiu L. Achieving High Performance Stretchable Conjugated Polymers via Donor Structure Engineering. Macromol Rapid Commun 2023; 44:e2300169. [PMID: 37191155 DOI: 10.1002/marc.202300169] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 04/25/2023] [Indexed: 05/17/2023]
Abstract
A backbone engineering strategy is developed to tune the mechanical and electrical properties of conjugated polymer semiconductors. Four Donor-Acceptor (D-A) polymers, named PTDPPSe, PTDPPTT, PTDPPBT, and PTDPPTVT, are synthesized using selenophene (Se), thienothiophene (TT), bithiophene (BT), and thienylenevinylenethiophene (TVT) as the donors and siloxane side chain modified diketopyrrolopyrrole (DPP) as acceptor. The influences of the donor structure on the polymer energy level, film morphology, molecular stacking, carrier transport properties, and tensile properties are all examined. The films of PTDPPSe show the best stretchability with crack-onset-strain greater than 100%, but the worst electrical properties with a mobility of only 0.54 cm2 V-1 s-1 . The replacement of the Se donor with larger conjugated donors, that is, TT, BT, and TVT, significantly improves the mobility of conjugated polymers but also leads to reduced stretchability. Remarkably, PTDPPBT exhibits moderate stretchability with crack-onset-strain ≈50% and excellent electrical properties. At 50% strain, it has a mobility of 2.37 cm2 V-1 s-1 parallel to the stretched direction, which is higher than the mobility of most stretchable conjugated polymers in this stretching state.
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Affiliation(s)
- Ning Wu
- National Engineering Lab of Special Display Technology, Special Display and Imaging Technology Innovation Center of Anhui Province, Academy of Opto-Electronic Technology, Hefei University of Technology, Hefei, 230009, China
- Intelligent Interconnected Systems Laboratory of Anhui, Anhui Province Key Laboratory of Measuring Theory and Precision Instrument, School of Instrument Science and Opto-Electronic Engineering, Hefei University of Technology, Hefei, 230009, China
| | - Gang Huang
- National Engineering Lab of Special Display Technology, Special Display and Imaging Technology Innovation Center of Anhui Province, Academy of Opto-Electronic Technology, Hefei University of Technology, Hefei, 230009, China
- Intelligent Interconnected Systems Laboratory of Anhui, Anhui Province Key Laboratory of Measuring Theory and Precision Instrument, School of Instrument Science and Opto-Electronic Engineering, Hefei University of Technology, Hefei, 230009, China
| | - Hua Huang
- National Engineering Lab of Special Display Technology, Special Display and Imaging Technology Innovation Center of Anhui Province, Academy of Opto-Electronic Technology, Hefei University of Technology, Hefei, 230009, China
- Intelligent Interconnected Systems Laboratory of Anhui, Anhui Province Key Laboratory of Measuring Theory and Precision Instrument, School of Instrument Science and Opto-Electronic Engineering, Hefei University of Technology, Hefei, 230009, China
| | - Yunfei Wang
- School of Polymer Science and Engineering, The University of Southern Mississippi, Hattiesburg, MS, 39406, USA
| | - Xiaodan Gu
- School of Polymer Science and Engineering, The University of Southern Mississippi, Hattiesburg, MS, 39406, USA
| | - Xiaohong Wang
- National Engineering Lab of Special Display Technology, Special Display and Imaging Technology Innovation Center of Anhui Province, Academy of Opto-Electronic Technology, Hefei University of Technology, Hefei, 230009, China
- Intelligent Interconnected Systems Laboratory of Anhui, Anhui Province Key Laboratory of Measuring Theory and Precision Instrument, School of Instrument Science and Opto-Electronic Engineering, Hefei University of Technology, Hefei, 230009, China
| | - Longzhen Qiu
- National Engineering Lab of Special Display Technology, Special Display and Imaging Technology Innovation Center of Anhui Province, Academy of Opto-Electronic Technology, Hefei University of Technology, Hefei, 230009, China
- Intelligent Interconnected Systems Laboratory of Anhui, Anhui Province Key Laboratory of Measuring Theory and Precision Instrument, School of Instrument Science and Opto-Electronic Engineering, Hefei University of Technology, Hefei, 230009, China
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11
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Fumeaux N, Briand D. Zinc hybrid sintering for printed transient sensors and wireless electronics. NPJ FLEXIBLE ELECTRONICS 2023; 7:14. [PMID: 38665150 PMCID: PMC11041761 DOI: 10.1038/s41528-023-00249-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Accepted: 02/28/2023] [Indexed: 04/28/2024]
Abstract
Transient electronics offer a promising solution for reducing electronic waste and for use in implantable bioelectronics, yet their fabrication remains challenging. We report on a scalable method that synergistically combines chemical and photonic mechanisms to sinter printed Zn microparticles. Following reduction of the oxide layer using an acidic solution, zinc particles are agglomerated into a continuous layer using a flash lamp annealing treatment. The resulting sintered Zn patterns exhibit electrical conductivity values as high as 5.62 × 106 S m-1. The electrical conductivity and durability of the printed zinc traces enable the fabrication of biodegradable sensors and LC circuits: temperature, strain, and chipless wireless force sensors, and radio-frequency inductive coils for remote powering. The process allows for reduced photonic energy to be delivered to the substrate and is compatible with temperature-sensitive polymeric and cellulosic substrates, enabling new avenues for the additive manufacturing of biodegradable electronics and transient implants.
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Affiliation(s)
- N. Fumeaux
- Soft Transducers Laboratory, Ecole Polytechnique Fédérale de Lausanne (EPFL), Rue de la Maladière 71b, CH-2000 Neuchâtel, Switzerland
| | - D. Briand
- Soft Transducers Laboratory, Ecole Polytechnique Fédérale de Lausanne (EPFL), Rue de la Maladière 71b, CH-2000 Neuchâtel, Switzerland
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12
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Li YF, Guo YL, Liu YQ. Recent Progress in Donor-Acceptor Type Conjugated Polymers for Organic Field-effect Transistors. CHINESE JOURNAL OF POLYMER SCIENCE 2023. [DOI: 10.1007/s10118-023-2952-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/09/2023]
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13
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Jia X, Ma X, Zhao L, Xin M, Hao Y, Sun P, Wang C, Chao D, Liu F, Wang C, Lu G, Wallace G. A biocompatible and fully erodible conducting polymer enables implanted rechargeable Zn batteries. Chem Sci 2023; 14:2123-2130. [PMID: 36845924 PMCID: PMC9944696 DOI: 10.1039/d2sc06342e] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Accepted: 01/23/2023] [Indexed: 01/26/2023] Open
Abstract
Implanted rechargeable batteries that can provide energy over a sufficient lifetime and ultimately degrade into non-toxic byproducts are highly desirable. However, their advancement is significantly impeded by the limited toolbox of electrode materials with a known biodegradation profile and high cycling stability. Here we report biocompatible, erodible poly(3,4-ethylenedioxythiophene) (PEDOT) grafted with hydrolyzable carboxylic acid pendants. This molecular arrangement combines the pseudocapacitive charge storage from the conjugated backbones and dissolution via hydrolyzable side chains. It demonstrates complete erosion under aqueous conditions in a pH-dependent manner with a predetermined lifetime. The compact rechargeable Zn battery with a gel electrolyte offers a specific capacity of 31.8 mA h g-1 (57% of theoretical capacity) and outstanding cycling stability (78% capacity retention over 4000 cycles at 0.5 A g-1). Subcutaneous implantation of this Zn battery into Sprague-Dawley (SD) rats demonstrates complete biodegradation in vivo and biocompatibility. This molecular engineering strategy presents a viable avenue for developing implantable conducting polymers with a predetermined degradation profile and high energy storage capability.
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Affiliation(s)
- Xiaoteng Jia
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University Changchun 130012 China
| | - Xuenan Ma
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University Changchun 130012 China
| | - Li Zhao
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University Changchun 130012 China
| | - Meiying Xin
- Jilin Provincial Key Laboratory of Pediatric Neurology, Department of Pediatric Neurology, The First Hospital of Jilin University130021China
| | - Yulei Hao
- Jilin Provincial Key Laboratory of Pediatric Neurology, Department of Pediatric Neurology, The First Hospital of Jilin University130021China
| | - Peng Sun
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University Changchun 130012 China
| | - Chenguang Wang
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University Changchun 130012 China
| | - Danming Chao
- College of Chemistry, Jilin UniversityChangchun 130012China
| | - Fangmeng Liu
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University Changchun 130012 China
| | - Caiyun Wang
- ARC Centre of Excellence for Electromaterials Science, Intelligent Polymer Research Institute, AIIM Faculty, University of Wollongong Wollongong NSW 2522 Australia
| | - Geyu Lu
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University Changchun 130012 China .,International Center of Future Science, Jilin University Changchun 130012 China
| | - Gordon Wallace
- ARC Centre of Excellence for Electromaterials Science, Intelligent Polymer Research Institute, AIIM Faculty, University of Wollongong Wollongong NSW 2522 Australia
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14
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Wang L, Yi Z, Zhao Y, Liu Y, Wang S. Stretchable conductors for stretchable field-effect transistors and functional circuits. Chem Soc Rev 2023; 52:795-835. [PMID: 36562312 DOI: 10.1039/d2cs00837h] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Stretchable electronics have received intense attention due to their broad application prospects in many areas, and can withstand large deformations and form close contact with curved surfaces. Stretchable conductors are vital components of stretchable electronic devices used in wearables, soft robots, and human-machine interactions. Recent advances in stretchable conductors have motivated basic scientific and technological research efforts. Here, we outline and analyse the development of stretchable conductors in transistors and circuits, and examine advances in materials, device engineering, and preparation technologies. We divide the existing approaches to constructing stretchable transistors with stretchable conductors into the following two types: geometric engineering and intrinsic stretchability engineering. Finally, we consider the challenges and outlook in this field for delivering stretchable electronics.
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Affiliation(s)
- Liangjie Wang
- Department of Materials Science, Fudan University, Shanghai 200433, P. R. China.
| | - Zhengran Yi
- Department of Materials Science, Fudan University, Shanghai 200433, P. R. China.
| | - Yan Zhao
- Department of Materials Science, Fudan University, Shanghai 200433, P. R. China.
| | - Yunqi Liu
- Department of Materials Science, Fudan University, Shanghai 200433, P. R. China.
| | - Shuai Wang
- Department of Materials Science, Fudan University, Shanghai 200433, P. R. China. .,School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, P. R. China.
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15
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Zarei M, Lee G, Lee SG, Cho K. Advances in Biodegradable Electronic Skin: Material Progress and Recent Applications in Sensing, Robotics, and Human-Machine Interfaces. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2203193. [PMID: 35737931 DOI: 10.1002/adma.202203193] [Citation(s) in RCA: 44] [Impact Index Per Article: 44.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 06/13/2022] [Indexed: 06/15/2023]
Abstract
The rapid growth of the electronics industry and proliferation of electronic materials and telecommunications technologies has led to the release of a massive amount of untreated electronic waste (e-waste) into the environment. Consequently, catastrophic environmental damage at the microbiome level and serious human health diseases threaten the natural fate of the planet. Currently, the demand for wearable electronics for applications in personalized medicine, electronic skins (e-skins), and health monitoring is substantial and growing. Therefore, "green" characteristics such as biodegradability, self-healing, and biocompatibility ensure the future application of wearable electronics and e-skins in biomedical engineering and bioanalytical sciences. Leveraging the biodegradability, sustainability, and biocompatibility of natural materials will dramatically influence the fabrication of environmentally friendly e-skins and wearable electronics. Here, the molecular and structural characteristics of biological skins and artificial e-skins are discussed. The focus then turns to the biodegradable materials, including natural and synthetic-polymer-based materials, and their recent applications in the development of biodegradable e-skin in wearable sensors, robotics, and human-machine interfaces (HMIs). Finally, the main challenges and outlook regarding the preparation and application of biodegradable e-skins are critically discussed in a near-future scenario, which is expected to lead to the next generation of biodegradable e-skins.
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Affiliation(s)
- Mohammad Zarei
- Department of Chemistry, University of Ulsan, Ulsan, 44610, Korea
| | - Giwon Lee
- Department of Chemical Engineering, Pohang University of Science and Technology, Pohang, 37673, Korea
| | - Seung Goo Lee
- Department of Chemistry, University of Ulsan, Ulsan, 44610, Korea
| | - Kilwon Cho
- Department of Chemical Engineering, Pohang University of Science and Technology, Pohang, 37673, Korea
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16
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Boon ZH, Teo YY, Ang DTC. Recent development of biodegradable synthetic rubbers and bio-based rubbers using sustainable materials from biological sources. RSC Adv 2022; 12:34028-34052. [PMID: 36545000 PMCID: PMC9710532 DOI: 10.1039/d2ra06602e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Accepted: 11/21/2022] [Indexed: 12/02/2022] Open
Abstract
Rubber is an amorphous hyperelastic polymer which is widely used in this modern era. Natural rubber is considered the ultimate rubber in terms of mechanical performance, but over the years, some limitations and challenges in natural rubber cultivation that could result in serious shortages in the supply chain had been identified. Since then, the search for alternatives including new natural and synthetic rubbers has been rather intense. The initiative to explore new sources of natural rubber which started during the 1940s has been reignited recently due to the increasing demand for natural rubber. The commercialization of natural rubber from the Parthenium argentatum and Taraxacum kok-saghyz species, with the cooperation from rubber product manufacturing companies, has somewhat improved the sustainability of the natural rubber supply chain. Meanwhile, the high demand for synthetic rubber drastically increases the rate of depletion of fossil fuels and amplifies the adverse environmental effect of overexploitation of fossil fuels. Moreover, rubber and plastic products disposal have been a major issue for many decades, causing environmental pollution and the expansion of landfills. Sustainable synthetic rubber products could be realized through the incorporation of materials from biological sources. They are renewable, low cost, and most importantly, biodegradable in nature. In this review, brief introduction to natural and synthetic rubbers, challenges in the rubber industry, alternatives to conventional natural rubber, and recent advances in biodegradable and/or bio-based synthetic rubbers are discussed. The effect of incorporating various types of biologically sourced materials in the synthetic rubbers are also elaborated in detail.
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Affiliation(s)
- Zhen Hern Boon
- Department of Chemistry, Universiti Malaya50603 Kuala LumpurMalaysia
| | - Yin Yin Teo
- Department of Chemistry, Universiti Malaya50603 Kuala LumpurMalaysia
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17
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Wu WN, Tu TH, Pai CH, Cheng KH, Tung SH, Chan YT, Liu CL. Metallo-Supramolecular Rod–Coil Block Copolymer Thin Films for Stretchable Organic Field Effect Transistor Application. Macromolecules 2022. [DOI: 10.1021/acs.macromol.2c00957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Affiliation(s)
- Wei-Ni Wu
- Department of Materials Science and Engineering, National Taiwan University, Taipei10617, Taiwan
| | - Tsung-Han Tu
- Department of Chemistry, National Taiwan University, Taipei10617, Taiwan
| | - Chiao-Hsuan Pai
- Department of Chemistry, National Taiwan University, Taipei10617, Taiwan
| | - Kuan-Heng Cheng
- Department of Chemistry, National Taiwan University, Taipei10617, Taiwan
| | - Shih-Huang Tung
- Institute of Polymer Science and Engineering, National Taiwan University, Taipei10617, Taiwan
| | - Yi-Tsu Chan
- Department of Chemistry, National Taiwan University, Taipei10617, Taiwan
| | - Cheng-Liang Liu
- Department of Materials Science and Engineering, National Taiwan University, Taipei10617, Taiwan
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18
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Haskew MJ, Nikman S, O'Sullivan CE, Galeb HA, Halcovitch NR, Hardy JG, Murphy ST. Mg/Zn metal‐air primary batteries using silk fibroin‐ionic liquid polymer electrolytes. NANO SELECT 2022. [DOI: 10.1002/nano.202200200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Affiliation(s)
- Mathew J. Haskew
- School of Engineering Lancaster University Bailrigg Lancaster UK
- Department of Chemistry Lancaster University Faraday Building Bailrigg Lancaster UK
| | - Shahin Nikman
- Department of Chemistry Lancaster University Faraday Building Bailrigg Lancaster UK
| | - Carys E. O'Sullivan
- Department of Chemistry Lancaster University Faraday Building Bailrigg Lancaster UK
| | - Hanaa A. Galeb
- Department of Chemistry Lancaster University Faraday Building Bailrigg Lancaster UK
- Department of Chemistry Science and Arts College, Rabigh Campus King Abdulaziz University Jeddah Saudi Arabia
| | - Nathan R. Halcovitch
- Department of Chemistry Lancaster University Faraday Building Bailrigg Lancaster UK
| | - John G. Hardy
- Department of Chemistry Lancaster University Faraday Building Bailrigg Lancaster UK
- Materials Science Institute Lancaster University Faraday Building, John Creed Avenue Bailrigg Lancaster UK
| | - Samuel T. Murphy
- School of Engineering Lancaster University Bailrigg Lancaster UK
- Materials Science Institute Lancaster University Faraday Building, John Creed Avenue Bailrigg Lancaster UK
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19
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Shin YK, Shin Y, Lee JW, Seo MH. Micro-/Nano-Structured Biodegradable Pressure Sensors for Biomedical Applications. BIOSENSORS 2022; 12:952. [PMID: 36354461 PMCID: PMC9687959 DOI: 10.3390/bios12110952] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 10/24/2022] [Accepted: 10/27/2022] [Indexed: 06/16/2023]
Abstract
The interest in biodegradable pressure sensors in the biomedical field is growing because of their temporary existence in wearable and implantable applications without any biocompatibility issues. In contrast to the limited sensing performance and biocompatibility of initially developed biodegradable pressure sensors, device performances and functionalities have drastically improved owing to the recent developments in micro-/nano-technologies including device structures and materials. Thus, there is greater possibility of their use in diagnosis and healthcare applications. This review article summarizes the recent advances in micro-/nano-structured biodegradable pressure sensor devices. In particular, we focus on the considerable improvement in performance and functionality at the device-level that has been achieved by adapting the geometrical design parameters in the micro- and nano-meter range. First, the material choices and sensing mechanisms available for fabricating micro-/nano-structured biodegradable pressure sensor devices are discussed. Then, this is followed by a historical development in the biodegradable pressure sensors. In particular, we highlight not only the fabrication methods and performances of the sensor device, but also their biocompatibility. Finally, we intoduce the recent examples of the micro/nano-structured biodegradable pressure sensor for biomedical applications.
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Affiliation(s)
- Yoo-Kyum Shin
- Department of Information Convergence Engineering, Pusan National University, 49 Busandaehak-ro, Mulgeum-eup, Yangsan-si 50612, Gyeongsangnam-do, Korea
| | - Yujin Shin
- Department of Materials Science and Engineering, Pusan National University, 2 Busandaehak-ro 63beon-gil, Geumjeong-gu, Busan 46241, Korea
| | - Jung Woo Lee
- Department of Materials Science and Engineering, Pusan National University, 2 Busandaehak-ro 63beon-gil, Geumjeong-gu, Busan 46241, Korea
| | - Min-Ho Seo
- Department of Information Convergence Engineering, Pusan National University, 49 Busandaehak-ro, Mulgeum-eup, Yangsan-si 50612, Gyeongsangnam-do, Korea
- School of Biomedical Convergence Engineering, Pusan National University, 49 Busandaehak-ro, Mulgeum-eup, Yangsan-si 50612, Gyeongsangnam-do, Korea
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20
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Trueman RP, Ahlawat AS, Phillips JB. A Shock to the (Nervous) System: Bioelectricity Within Peripheral Nerve Tissue Engineering. TISSUE ENGINEERING. PART B, REVIEWS 2022; 28:1137-1150. [PMID: 34806913 DOI: 10.1089/ten.teb.2021.0159] [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] [Indexed: 06/13/2023]
Abstract
The peripheral nervous system has the remarkable ability to regenerate in response to injury. However, this is only successful over shorter nerve gaps and often provides poor outcomes for patients. Currently, the gold standard of treatment is the surgical intervention of an autograft, whereby patient tissue is harvested and transplanted to bridge the nerve gap. Despite being the gold standard, more than half of patients have dissatisfactory functional recovery after an autograft. Peripheral nerve tissue engineering aims to create biomaterials that can therapeutically surpass the autograft. Current tissue-engineered constructs are designed to deliver a combination of therapeutic benefits to the regenerating nerve, such as supportive cells, alignment, extracellular matrix, soluble factors, immunosuppressants, and other therapies. An emerging therapeutic opportunity in nerve tissue engineering is the use of electrical stimulation (ES) to modify and enhance cell function. ES has been shown to positively affect four key cell types, such as neurons, endothelial cells, macrophages, and Schwann cells, involved in peripheral nerve repair. Changes elicited include faster neurite extension, cellular alignment, and changes in cell phenotype associated with improved regeneration and functional recovery. This review considers the relevant modes of administration and cellular responses that could underpin incorporation of ES into nerve tissue engineering strategies. Impact Statement Tissue engineering is becoming increasingly complex, with multiple therapeutic modalities often included within the final tissue-engineered construct. Electrical stimulation (ES) is emerging as a viable therapeutic intervention to be included within peripheral nerve tissue engineering strategies; however, to date, there have been no review articles that collate the information regarding the effects of ES on key cell within peripheral nerve injury. This review article aims to inform the field on the different therapeutic effects that may be achieved by using ES and how they may become incorporated into existing strategies.
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Affiliation(s)
- Ryan P Trueman
- Center for Nerve Engineering, Department of Pharmacology, UCL School of Pharmacy, University College London, London, United Kingdom
- Department of Pharmacology, UCL School of Pharmacy, University College London, London, United Kingdom
| | - Ananya S Ahlawat
- Center for Nerve Engineering, Department of Pharmacology, UCL School of Pharmacy, University College London, London, United Kingdom
- Department of Pharmacology, UCL School of Pharmacy, University College London, London, United Kingdom
| | - James B Phillips
- Center for Nerve Engineering, Department of Pharmacology, UCL School of Pharmacy, University College London, London, United Kingdom
- Department of Pharmacology, UCL School of Pharmacy, University College London, London, United Kingdom
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21
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Zhai Z, Du X, Long Y, Zheng H. Biodegradable polymeric materials for flexible and degradable electronics. FRONTIERS IN ELECTRONICS 2022. [DOI: 10.3389/felec.2022.985681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Biodegradable electronics have great potential to reduce the environmental footprint of electronic devices and to avoid secondary removal of implantable health monitors and therapeutic electronics. Benefiting from the intensive innovation on biodegradable nanomaterials, current transient electronics can realize full components’ degradability. However, design of materials with tissue-comparable flexibility, desired dielectric properties, suitable biocompatibility and programmable biodegradability will always be a challenge to explore the subtle trade-offs between these parameters. In this review, we firstly discuss the general chemical structure and degradation behavior of polymeric biodegradable materials that have been widely studied for various applications. Then, specific properties of different degradable polymer materials such as biocompatibility, biodegradability, and flexibility were compared and evaluated for real-life applications. Complex biodegradable electronics and related strategies with enhanced functionality aimed for different components including substrates, insulators, conductors and semiconductors in complex biodegradable electronics are further researched and discussed. Finally, typical applications of biodegradable electronics in sensing, therapeutic drug delivery, energy storage and integrated electronic systems are highlighted. This paper critically reviews the significant progress made in the field and highlights the future prospects.
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22
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Intrinsically elastic and self-healing luminescent polyisoprene copolymers formed via covalent bonding and hydrogen bonding design. Polym J 2022. [DOI: 10.1038/s41428-022-00683-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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23
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Yang Y, Sun H, Zhao X, Xian D, Han X, Wang B, Wang S, Zhang M, Zhang C, Ye X, Ni Y, Tong Y, Tang Q, Liu Y. High-Mobility Fungus-Triggered Biodegradable Ultraflexible Organic Transistors. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2105125. [PMID: 35257518 PMCID: PMC9069197 DOI: 10.1002/advs.202105125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 02/04/2022] [Indexed: 05/31/2023]
Abstract
Biodegradable organic field-effect transistors (OFETs) have drawn tremendous attention for potential applications such as green electronic skins, degradable flexible displays, and novel implantable devices. However, it remains a huge challenge to simultaneously achieve high mobility, stable operation and controllable biodegradation of OFETs, because most of the widely used biodegradable insulating materials contain large amounts of hydrophilic groups. Herein, it is firstly proposed fungal-degradation ultraflexible OFETs based on the crosslinked dextran (C-dextran) as dielectric layer. The crosslinking strategy effectively eliminates polar hydrophilic groups and improves water and solvent resistance of dextran dielectric layer. The device with spin-coated 2,7-dioctyl[1]benzothieno[3,2-b][1]benzothiophene (C8-BTBT) semiconductor and C-dextran dielectric exhibits the highest mobility up to 7.72 cm2 V-1 s-1 , which is higher than all the reported degradable OFETs. Additionally, the device still maintains high performance regardless of in an environment humidity up to 80% or under the extreme bending radius of 0.0125 mm. After completion of their mission, the device can be controllably biodegraded by fungi without any adverse environmental effects, promoting the natural ecological cycles with the concepts of "From nature, for nature". This work opens up a new avenue for realizing high-performance biodegradable OFETs, and advances the process of the "green" electrical devices in practical applications.
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Affiliation(s)
- Yahan Yang
- Center for Advanced Optoelectronic Functional Materials Researchand Key Lab of UV‐Emitting Materials and Technology of Ministry of EducationNortheast Normal University5268 Renmin StreetChangchun130024China
| | - Hongying Sun
- Center for Advanced Optoelectronic Functional Materials Researchand Key Lab of UV‐Emitting Materials and Technology of Ministry of EducationNortheast Normal University5268 Renmin StreetChangchun130024China
| | - Xiaoli Zhao
- Center for Advanced Optoelectronic Functional Materials Researchand Key Lab of UV‐Emitting Materials and Technology of Ministry of EducationNortheast Normal University5268 Renmin StreetChangchun130024China
| | - Da Xian
- Center for Advanced Optoelectronic Functional Materials Researchand Key Lab of UV‐Emitting Materials and Technology of Ministry of EducationNortheast Normal University5268 Renmin StreetChangchun130024China
| | - Xu Han
- Center for Advanced Optoelectronic Functional Materials Researchand Key Lab of UV‐Emitting Materials and Technology of Ministry of EducationNortheast Normal University5268 Renmin StreetChangchun130024China
| | - Bin Wang
- Center for Advanced Optoelectronic Functional Materials Researchand Key Lab of UV‐Emitting Materials and Technology of Ministry of EducationNortheast Normal University5268 Renmin StreetChangchun130024China
| | - Shuya Wang
- Center for Advanced Optoelectronic Functional Materials Researchand Key Lab of UV‐Emitting Materials and Technology of Ministry of EducationNortheast Normal University5268 Renmin StreetChangchun130024China
| | - Mingxin Zhang
- Center for Advanced Optoelectronic Functional Materials Researchand Key Lab of UV‐Emitting Materials and Technology of Ministry of EducationNortheast Normal University5268 Renmin StreetChangchun130024China
| | - Cong Zhang
- Center for Advanced Optoelectronic Functional Materials Researchand Key Lab of UV‐Emitting Materials and Technology of Ministry of EducationNortheast Normal University5268 Renmin StreetChangchun130024China
| | - Xiaolin Ye
- Center for Advanced Optoelectronic Functional Materials Researchand Key Lab of UV‐Emitting Materials and Technology of Ministry of EducationNortheast Normal University5268 Renmin StreetChangchun130024China
| | - Yanping Ni
- Center for Advanced Optoelectronic Functional Materials Researchand Key Lab of UV‐Emitting Materials and Technology of Ministry of EducationNortheast Normal University5268 Renmin StreetChangchun130024China
| | - Yanhong Tong
- Center for Advanced Optoelectronic Functional Materials Researchand Key Lab of UV‐Emitting Materials and Technology of Ministry of EducationNortheast Normal University5268 Renmin StreetChangchun130024China
| | - Qingxin Tang
- Center for Advanced Optoelectronic Functional Materials Researchand Key Lab of UV‐Emitting Materials and Technology of Ministry of EducationNortheast Normal University5268 Renmin StreetChangchun130024China
| | - Yichun Liu
- Center for Advanced Optoelectronic Functional Materials Researchand Key Lab of UV‐Emitting Materials and Technology of Ministry of EducationNortheast Normal University5268 Renmin StreetChangchun130024China
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24
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Chen S, Wu Z, Chu C, Ni Y, Neisiany RE, You Z. Biodegradable Elastomers and Gels for Elastic Electronics. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2105146. [PMID: 35212474 PMCID: PMC9069371 DOI: 10.1002/advs.202105146] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 01/05/2022] [Indexed: 05/30/2023]
Abstract
Biodegradable electronics are considered as an important bio-friendly solution for electronic waste (e-waste) management, sustainable development, and emerging implantable devices. Elastic electronics with higher imitative mechanical characteristics of human tissues, have become crucial for human-related applications. The convergence of biodegradability and elasticity has emerged a new paradigm of next-generation electronics especially for wearable and implantable electronics. The corresponding biodegradable elastic materials are recognized as a key to drive this field toward the practical applications. The review first clarifies the relevant concepts including biodegradable and elastic electronics along with their general design principles. Subsequently, the crucial mechanisms of the degradation in polymeric materials are discussed in depth. The diverse types of biodegradable elastomers and gels for electronics are then summarized. Their molecular design, modification, processing, and device fabrication especially the structure-properties relationship as well as recent advanced are reviewed in detail. Finally, the current challenges and the future directions are proposed. The critical insights of biodegradability and elastic characteristics in the elastomers and gel allows them to be tailored and designed more effectively for electronic applications.
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Affiliation(s)
- Shuo Chen
- State Key Laboratory for Modification of Chemical Fibers and Polymer MaterialsCollege of Materials Science and EngineeringInstitute of Functional MaterialsShanghai Engineering Research Center of Nano‐Biomaterials and Regenerative Medicine Institute of Functional MaterialsDonghua UniversityResearch Base of Textile Materials for Flexible Electronics and Biomedical Applications (China Textile Engineering Society)Shanghai201620P. R. China
| | - Zekai Wu
- State Key Laboratory for Modification of Chemical Fibers and Polymer MaterialsCollege of Materials Science and EngineeringInstitute of Functional MaterialsShanghai Engineering Research Center of Nano‐Biomaterials and Regenerative Medicine Institute of Functional MaterialsDonghua UniversityResearch Base of Textile Materials for Flexible Electronics and Biomedical Applications (China Textile Engineering Society)Shanghai201620P. R. China
| | - Chengzhen Chu
- State Key Laboratory for Modification of Chemical Fibers and Polymer MaterialsCollege of Materials Science and EngineeringInstitute of Functional MaterialsShanghai Engineering Research Center of Nano‐Biomaterials and Regenerative Medicine Institute of Functional MaterialsDonghua UniversityResearch Base of Textile Materials for Flexible Electronics and Biomedical Applications (China Textile Engineering Society)Shanghai201620P. R. China
| | - Yufeng Ni
- State Key Laboratory for Modification of Chemical Fibers and Polymer MaterialsCollege of Materials Science and EngineeringInstitute of Functional MaterialsShanghai Engineering Research Center of Nano‐Biomaterials and Regenerative Medicine Institute of Functional MaterialsDonghua UniversityResearch Base of Textile Materials for Flexible Electronics and Biomedical Applications (China Textile Engineering Society)Shanghai201620P. R. China
| | - Rasoul Esmaeely Neisiany
- Department of Materials and Polymer EngineeringFaculty of EngineeringHakim Sabzevari UniversitySabzevar9617976487Iran
| | - Zhengwei You
- State Key Laboratory for Modification of Chemical Fibers and Polymer MaterialsCollege of Materials Science and EngineeringInstitute of Functional MaterialsShanghai Engineering Research Center of Nano‐Biomaterials and Regenerative Medicine Institute of Functional MaterialsDonghua UniversityResearch Base of Textile Materials for Flexible Electronics and Biomedical Applications (China Textile Engineering Society)Shanghai201620P. R. China
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25
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Zheng Y, Zhang S, Tok JBH, Bao Z. Molecular Design of Stretchable Polymer Semiconductors: Current Progress and Future Directions. J Am Chem Soc 2022; 144:4699-4715. [PMID: 35262336 DOI: 10.1021/jacs.2c00072] [Citation(s) in RCA: 65] [Impact Index Per Article: 32.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Stretchable polymer semiconductors have advanced rapidly in the past decade as materials required to realize conformable and soft skin-like electronics become available. Through rational molecular-level design, stretchable polymer semiconductor films are now able to retain their electrical functionalities even when subjected to repeated mechanical deformations. Furthermore, their charge-carrier mobilities are on par with the best flexible polymer semiconductors, with some even exceeding that of amorphous silicon. The key advancements are molecular-design concepts that allow multiple strain energy-dissipation mechanisms, while maintaining efficient charge-transport pathways over multiple length scales. In this perspective article, we review recent approaches to confer stretchability to polymer semiconductors while maintaining high charge carrier mobilities, with emphasis on the control of both polymer-chain dynamics and thin-film morphology. Additionally, we present molecular design considerations toward intrinsically elastic semiconductors that are needed for reliable device operation under reversible and repeated deformation. A general approach involving inducing polymer semiconductor nanoconfinement allows for incorporation of several other desired functionalities, such as biodegradability, self-healing, and photopatternability, while enhancing the charge transport. Lastly, we point out future directions, including advancing the fundamental understanding of morphology evolution and its correlation with the change of charge transport under strain, and needs for strain-resilient polymer semiconductors with high mobility retention.
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Affiliation(s)
- Yu Zheng
- Department of Chemical Engineering, Stanford University, Stanford, California 94305, United States.,Department of Chemistry, Stanford University, Stanford, California 94305, United States
| | - Song Zhang
- Department of Chemical Engineering, Stanford University, Stanford, California 94305, United States
| | - Jeffrey B-H Tok
- Department of Chemical Engineering, Stanford University, Stanford, California 94305, United States
| | - Zhenan Bao
- Department of Chemical Engineering, Stanford University, Stanford, California 94305, United States
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26
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Chiong JA, Zheng Y, Zhang S, Ma G, Wu Y, Ngaruka G, Lin Y, Gu X, Bao Z. Impact of Molecular Design on Degradation Lifetimes of Degradable Imine-Based Semiconducting Polymers. J Am Chem Soc 2022; 144:3717-3726. [PMID: 35179880 DOI: 10.1021/jacs.1c12845] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Transient electronics are a rapidly emerging field due to their potential applications in the environment and human health. Recently, a few studies have incorporated acid-labile imine bonds into polymer semiconductors to impart transience; however, understanding of the structure-degradation property relationships of these polymers is limited. In this study, we systematically design and characterize a series of fully degradable diketopyrrolopyrrole-based polymers with engineered sidechains to investigate the impact of several molecular design parameters on the degradation lifetimes of these polymers. By monitoring degradation kinetics via ultraviolet-visible spectroscopy, we reveal that polymer degradation in solution is aggregation-dependent based on the branching point and Mn, with accelerated degradation rates facilitated by decreasing aggregation. Additionally, increasing the hydrophilicity of the polymers promotes water diffusion and therefore acid hydrolysis of the imine bonds along the polymer backbone. The aggregation properties and degradation lifetimes of these polymers rely heavily on solvent, with polymers in chlorobenzene taking six times as long to degrade as in chloroform. We develop a new method for quantifying the degradation of polymers in the thin film and observe that similar factors and considerations (e.g., interchain order, crystallite size, and hydrophilicity) used for designing high-performance semiconductors impact the degradation of imine-based polymer semiconductors. We found that terpolymerization serves as an attractive approach for achieving degradable semiconductors with both good charge transport and tuned degradation properties. This study provides crucial principles for the molecular design of degradable semiconducting polymers, and we anticipate that these findings will expedite progress toward transient electronics with controlled lifetimes.
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Affiliation(s)
- Jerika A Chiong
- Department of Chemistry, Stanford University, Stanford, California 94305, United States.,Department of Chemical Engineering, Stanford University, Stanford, California 94305, United States
| | - Yu Zheng
- Department of Chemistry, Stanford University, Stanford, California 94305, United States.,Department of Chemical Engineering, Stanford University, Stanford, California 94305, United States
| | - Song Zhang
- Department of Chemical Engineering, Stanford University, Stanford, California 94305, United States
| | - Guorong Ma
- School of Polymer Science and Engineering, The University of Southern Mississippi, Hattiesburg, Mississippi 39406, United States
| | - Yilei Wu
- Department of Chemical Engineering, Stanford University, Stanford, California 94305, United States
| | - Gradie Ngaruka
- Department of Chemical Engineering, Stanford University, Stanford, California 94305, United States
| | - Yangju Lin
- Department of Chemical Engineering, Stanford University, Stanford, California 94305, United States
| | - Xiaodan Gu
- School of Polymer Science and Engineering, The University of Southern Mississippi, Hattiesburg, Mississippi 39406, United States
| | - Zhenan Bao
- Department of Chemistry, Stanford University, Stanford, California 94305, United States.,Department of Chemical Engineering, Stanford University, Stanford, California 94305, United States
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Turner B, Ramesh S, Menegatti S, Daniele M. Resorbable elastomers for implantable medical devices: highlights and applications. POLYM INT 2021. [DOI: 10.1002/pi.6349] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Brendan Turner
- Joint Department of Biomedical Engineering North Carolina State University and University of Chapel Hill Raleigh NC USA
- Department of Chemical and Biomolecular Engineering North Carolina State University Raleigh NC USA
| | - Srivatsan Ramesh
- Department of Chemical and Biomolecular Engineering North Carolina State University Raleigh NC USA
| | - Stefano Menegatti
- Department of Chemical and Biomolecular Engineering North Carolina State University Raleigh NC USA
| | - Michael Daniele
- Joint Department of Biomedical Engineering North Carolina State University and University of Chapel Hill Raleigh NC USA
- Department of Electrical and Computer Engineering North Carolina State University Raleigh NC USA
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Cheng S, Zhao R, Seferos DS. Precision Synthesis of Conjugated Polymers Using the Kumada Methodology. Acc Chem Res 2021; 54:4203-4214. [PMID: 34726058 DOI: 10.1021/acs.accounts.1c00556] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Since the discovery of conductive poly(acetylene), the study of conjugated polymers has remained an active and interdisciplinary frontier between polymer chemistry, polymer physics, computation, and device engineering. One of the ultimate goals of polymer science is to reliably synthesize structures, similar to small molecule synthesis. Kumada catalyst-transfer polymerization (KCTP) is a powerful tool for synthesizing conjugated polymers with predictable molecular weights, narrow dispersities, specific end groups, and complex backbone architectures. However, expanding the monomer scope beyond the well-studied 3-alkylthiophenes to include electron-deficient and complex heterocycles has been difficult. Revisiting the successful applications of KCTP can help us gain new insight into the CTP mechanisms and thus inspire breakthroughs in the controlled polymerization of challenging π-conjugated monomers.In this Account, we highlight our efforts over the past decade to achieve controlled synthesis of homopolymers (p-type and n-type), copolymers (diblock and statistical), and monodisperse high oligomers. We first give a brief introduction of the mechanism and state-of-the-art of KCTP. Since the extent of polymerization control is determined by steric and electronic effects of both the catalyst and monomer, the polymerization can be optimized by modifying monomer and catalyst structures, as well as finding a well-matched monomer-catalyst system. We discuss the effects of side-chain steric hindrance and halogens in the context of heavy atom substituted monomers. By moving the side-chain branch point one carbon atom away from the heterocycle to alleviate steric crowding and stabilize the catalyst resting state, we were able to successfully control the polymerization of new tellurophene monomers. Inspired by innocent role of the sterically encumbered 2-transmetalated 3-alkylthiophene monomer, we introduce the treatment of hygroscopic monomers with a bulky Grignard compound as a water-scavenger for the improved synthesis of water-soluble conjugated polymers. For challenging electron-deficient monomers, we discuss the design of new Ni(II)diimine catalysts with electron-donating character which enhance the stability of the association complex between the catalyst and the growing polymer chain, resulting in the quasi-living synthesis of n-type polymers. Beyond n-type homopolymers, the Ni(II)diimine catalysts are also capable of producing electron-rich and electron-deficient diblock and statistical copolymers. We discuss how density functional theory (DFT) calculations elucidate the role of catalyst steric and electronic effects in controlling the synthesis of π-conjugated polymers. Moreover, we demonstrate the synthesis of monodisperse high oligomers by temperature cycling, which takes full advantage of the unique character of KCTP in that it proceeds through distinct intermediates that are not reactive. The insight we gained thus far leads to the first example of isolated living conjugated polymer chains prepared by a standard KCTP procedure, with general applicability to different monomers and catalytic systems. In summarizing a decade of innovation in KCTP, we hope this Account will inspire future development in the field to overcome key challenges including the controlled synthesis of electron-deficient heterocycles, complex and high-performance systems, and degradable and recyclable materials as well as cutting-edge catalyst design.
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Affiliation(s)
- Susan Cheng
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Ruyan Zhao
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Dwight S. Seferos
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, 200 College Street, Toronto, Ontario M5S 3E5, Canada
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29
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Rivero DS, Paiva-Feener RE, Santos T, Martín-Encinas E, Carrillo R. Tetrazine Dynamic Covalent Polymer Networks. Macromolecules 2021. [DOI: 10.1021/acs.macromol.1c01942] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- David S. Rivero
- Instituto de Productos Naturales y Agrobiología (IPNA-CSIC), Avenida Astrofísico Francisco Sánchez 3, 38206, La Laguna, Spain
- Instituto Universitario de Bio-Orgánica “Antonio González”, Universidad de La Laguna, Avenida Astrofísico Francisco Sánchez 2, P.O. Box 456, 38200, La Laguna, Spain
| | - Rafael E. Paiva-Feener
- Instituto de Productos Naturales y Agrobiología (IPNA-CSIC), Avenida Astrofísico Francisco Sánchez 3, 38206, La Laguna, Spain
- Instituto Universitario de Bio-Orgánica “Antonio González”, Universidad de La Laguna, Avenida Astrofísico Francisco Sánchez 2, P.O. Box 456, 38200, La Laguna, Spain
| | - Tanausú Santos
- Instituto de Productos Naturales y Agrobiología (IPNA-CSIC), Avenida Astrofísico Francisco Sánchez 3, 38206, La Laguna, Spain
- Instituto Universitario de Bio-Orgánica “Antonio González”, Universidad de La Laguna, Avenida Astrofísico Francisco Sánchez 2, P.O. Box 456, 38200, La Laguna, Spain
| | - Endika Martín-Encinas
- Instituto de Productos Naturales y Agrobiología (IPNA-CSIC), Avenida Astrofísico Francisco Sánchez 3, 38206, La Laguna, Spain
- Instituto Universitario de Bio-Orgánica “Antonio González”, Universidad de La Laguna, Avenida Astrofísico Francisco Sánchez 2, P.O. Box 456, 38200, La Laguna, Spain
| | - Romen Carrillo
- Instituto de Productos Naturales y Agrobiología (IPNA-CSIC), Avenida Astrofísico Francisco Sánchez 3, 38206, La Laguna, Spain
- Instituto Universitario de Bio-Orgánica “Antonio González”, Universidad de La Laguna, Avenida Astrofísico Francisco Sánchez 2, P.O. Box 456, 38200, La Laguna, Spain
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Guo Y, Yang X, Wang L, Duan J, Zhou Y, Nielsen CB, Yu Y, Yang J, Guo Y, Li Z, Yue W, Liu Y, McCulloch I. Aldol Polymerization to Construct Half-Fused Semiconducting Polymers. Macromolecules 2021. [DOI: 10.1021/acs.macromol.1c01740] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Yanjun Guo
- State Key Laboratory of Optoelectronic Materials and Technologies, Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education, Guangzhou Key Laboratory of Flexible Electronic Materials and Wearable Devices, School of Materials and Engineering, Sun Yat-Sen University, Guangzhou 510275, China
| | - Xueli Yang
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Lewen Wang
- State Key Laboratory of Optoelectronic Materials and Technologies, Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education, Guangzhou Key Laboratory of Flexible Electronic Materials and Wearable Devices, School of Materials and Engineering, Sun Yat-Sen University, Guangzhou 510275, China
| | - Jiayao Duan
- State Key Laboratory of Optoelectronic Materials and Technologies, Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education, Guangzhou Key Laboratory of Flexible Electronic Materials and Wearable Devices, School of Materials and Engineering, Sun Yat-Sen University, Guangzhou 510275, China
| | - Yecheng Zhou
- State Key Laboratory of Optoelectronic Materials and Technologies, Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education, Guangzhou Key Laboratory of Flexible Electronic Materials and Wearable Devices, School of Materials and Engineering, Sun Yat-Sen University, Guangzhou 510275, China
| | - Christian B. Nielsen
- Department of Chemistry, Queen Mary University of London, Mile End Road, London E1 4NS, United Kingdom
| | - Yaping Yu
- State Key Laboratory of Optoelectronic Materials and Technologies, Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education, Guangzhou Key Laboratory of Flexible Electronic Materials and Wearable Devices, School of Materials and Engineering, Sun Yat-Sen University, Guangzhou 510275, China
| | - Jie Yang
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Yunlong Guo
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Zhengke Li
- State Key Laboratory of Optoelectronic Materials and Technologies, Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education, Guangzhou Key Laboratory of Flexible Electronic Materials and Wearable Devices, School of Materials and Engineering, Sun Yat-Sen University, Guangzhou 510275, China
| | - Wan Yue
- State Key Laboratory of Optoelectronic Materials and Technologies, Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education, Guangzhou Key Laboratory of Flexible Electronic Materials and Wearable Devices, School of Materials and Engineering, Sun Yat-Sen University, Guangzhou 510275, China
| | - Yunqi Liu
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Iain McCulloch
- Department of Chemistry, University of Oxford, Oxford OX1 3TA, United Kingdom
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31
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Liu F, Hou X, Hu B, Li R. Intrinsically Elastic Organic Semiconductors (IEOSs). Molecules 2021; 26:molecules26206130. [PMID: 34684711 PMCID: PMC8537692 DOI: 10.3390/molecules26206130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 10/01/2021] [Accepted: 10/07/2021] [Indexed: 11/16/2022] Open
Abstract
Elastic semiconductors are becoming more and more important to the development of flexible wearable electronic devices, which can be prepared by structural engineering design, blending, and the intrinsic elastification of organic semiconductors (intrinsically elastic organic semiconductor, IEOS). Compared with the elastic semiconductors prepared by structural engineering and blending, the IEOS prepared by organic synthesis has attracted numerous attentions for its solution processability and highly tunable chemical structures. For IEOSs, reasonable designs of synthetic routes and methods are the basis for realizing good mechanical and electrical properties. This brief review begins with a concise introduction of elastic semiconductors, then follows with several synthetic methods of IEOSs, and concludes the characteristics of each method, which provides guidance for the synthesis of IEOSs in the future. Furthermore, the properties of IEOSs are involved from the aspects of electrical, mechanical properties, and the applications of the IEOSs in elastic electronic devices. Finally, the challenge and an outlook which IEOSs are facing are presented in conclusion.
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Affiliation(s)
- Fei Liu
- Institute of Materials Science, School of Materials Science and Engineering, Shanghai University, Shanghai 200072, China;
- CAS Key Laboratory of Magnetic Materials and Devices and Zhejiang Province Key Laboratory of Magnetic Materials and Application Technology, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
| | - Xueling Hou
- Institute of Materials Science, School of Materials Science and Engineering, Shanghai University, Shanghai 200072, China;
- Correspondence: (X.H.); (B.H.); (R.L.)
| | - Benlin Hu
- CAS Key Laboratory of Magnetic Materials and Devices and Zhejiang Province Key Laboratory of Magnetic Materials and Application Technology, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
- Correspondence: (X.H.); (B.H.); (R.L.)
| | - Runwei Li
- CAS Key Laboratory of Magnetic Materials and Devices and Zhejiang Province Key Laboratory of Magnetic Materials and Application Technology, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
- Correspondence: (X.H.); (B.H.); (R.L.)
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Schara S, Blau R, Church DC, Pokorski JK, Lipomi DJ. Polymer Chemistry for Haptics, Soft Robotics, and Human-Machine Interfaces. ADVANCED FUNCTIONAL MATERIALS 2021; 31:2008375. [PMID: 34924911 PMCID: PMC8673772 DOI: 10.1002/adfm.202008375] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Indexed: 05/05/2023]
Abstract
Progress in the field of soft devices-i.e., haptics, robotics, and human-machine interfaces (HRHMIs)-has its basis in the science of polymeric materials and chemical synthesis. However, in examining the relevant literature, we find that most developments have been enabled by off-the-shelf materials used either alone or as components of physical blends and composites. In this Progress Report, we take the position that a greater awareness of the capabilities of synthetic chemistry will accelerate the capabilities of HRHMIs. Conversely, an awareness of the applications sought by engineers working in this area may spark the development of new molecular designs and synthetic methodologies by chemists. We highlight several applications of active, stimuli-responsive polymers, which have demonstrated or shown potential use in HRHMIs. These materials share the fact that they are products of state-of-the-art synthetic techniques. The Progress Report is thus organized by the chemistry by which the materials were synthesized, including controlled radical polymerization, metal-mediated cross-coupling polymerization, ring-opening polymerization, various strategies for crosslinking, and hybrid approaches. These methods can afford polymers with multiple properties (i.e. conductivity, stimuli-responsiveness, self-healing and degradable abilities, biocompatibility, adhesiveness, and mechanical robustness) that are of great interest to scientists and engineers concerned with soft devices for human interaction.
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Affiliation(s)
- Steven Schara
- Department of NanoEngineering, University of California, San Diego 9500 Gilman Drive, Mail Code 0448, La Jolla, CA 92093-0448
| | - Rachel Blau
- Department of NanoEngineering, University of California, San Diego 9500 Gilman Drive, Mail Code 0448, La Jolla, CA 92093-0448
| | - Derek C. Church
- Department of NanoEngineering, University of California, San Diego 9500 Gilman Drive, Mail Code 0448, La Jolla, CA 92093-0448
| | - Jonathan K. Pokorski
- Department of NanoEngineering, University of California, San Diego 9500 Gilman Drive, Mail Code 0448, La Jolla, CA 92093-0448
| | - Darren J. Lipomi
- Department of NanoEngineering, University of California, San Diego 9500 Gilman Drive, Mail Code 0448, La Jolla, CA 92093-0448
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33
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Fanelli A, Ghezzi D. Transient electronics: new opportunities for implantable neurotechnology. Curr Opin Biotechnol 2021; 72:22-28. [PMID: 34464936 DOI: 10.1016/j.copbio.2021.08.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Revised: 07/28/2021] [Accepted: 08/12/2021] [Indexed: 10/20/2022]
Abstract
Neurotechnology includes artificial devices integrated with the neural tissue to mitigate the burden of neurological and mental disorders. This field has significantly expanded its range of applications thanks to the development of flexible, stretchable and injectable electronics. Now, the emergence of green electronics adds a new asset to the neurotechnology toolbox. Transient neurotechnology reduces the side effects of chronic implants and transforms inert devices into bio-active and bio-responsive structures. Ultimately, it holds the potential of bridging together technological devices with modern approaches in regenerative medicine. This review focuses on the rising potential of transient neurotechnology for human benefit, comprehensively summarises recent achievements and highlights feature needs and challenges.
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Affiliation(s)
- Adele Fanelli
- Medtronic Chair in Neuroengineering, Center for Neuroprosthetics and Institute of Bioengineering, School of Engineering, École Polytechnique Fédérale de Lausanne, Chemin des Mines 9, 1202 Geneva, Switzerland
| | - Diego Ghezzi
- Medtronic Chair in Neuroengineering, Center for Neuroprosthetics and Institute of Bioengineering, School of Engineering, École Polytechnique Fédérale de Lausanne, Chemin des Mines 9, 1202 Geneva, Switzerland.
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Abstract
The development of degradable polymers has commanded significant attention over the past half century. Approaches have predominantly relied on ring-opening polymerization of cyclic esters (e.g., lactones, lactides) and N-carboxyanhydrides, as well as radical ring-opening polymerizations of cyclic ketene acetals. In recent years, there has been a significant effort applied to expand the family of degradable polymers accessible via olefin metathesis polymerization. Given the excellent functional group tolerance of olefin metathesis polymerization reactions generally, a broad range of conceivable degradable moieties can be incorporated into appropriate monomers and thus into polymer backbones. This approach has proven particularly versatile in synthesizing a broad spectrum of degradable polymers including poly(ester), poly(amino acid), poly(acetal), poly(carbonate), poly(phosphoester), poly(phosphoramidate), poly(enol ether), poly(azobenzene), poly(disulfide), poly(sulfonate ester), poly(silyl ether), and poly(oxazinone) among others. In this review, we will highlight the main olefin metathesis polymerization strategies that have been used to access degradable polymers, including (i) acyclic diene metathesis polymerization, (ii) entropy-driven and (iii) enthalpy-driven ring-opening metathesis polymerization, as well as (iv) cascade enyne metathesis polymerization. In addition, the livingness or control of polymerization reactions via different strategies are highlighted and compared. Potential applications, challenges and future perspectives of this new library of degradable polyolefins are discussed. It is clear from recent and accelerating developments in this field that olefin metathesis polymerization represents a powerful synthetic tool towards degradable polymers with novel structures and properties inaccessible by other polymerization approaches.
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Affiliation(s)
- Hao Sun
- Department of Chemistry, International Institute for
Nanotechnology, Northwestern University, Evanston, IL 60208, USA
| | - Yifei Liang
- Department of Chemistry, International Institute for
Nanotechnology, Northwestern University, Evanston, IL 60208, USA
| | - Matthew P. Thompson
- Department of Chemistry, International Institute for
Nanotechnology, Northwestern University, Evanston, IL 60208, USA
| | - Nathan C. Gianneschi
- Department of Chemistry, International Institute for
Nanotechnology, Northwestern University, Evanston, IL 60208, USA
- Department of Materials Science & Engineering,
Department of Biomedical Engineering, Department of Pharmacology, Chemistry of Life
Processes Institute, Northwestern University, Evanston, IL 60208, USA
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35
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Hanif A, Ghosh G, Meeseepong M, Haq Chouhdry H, Bag A, Chinnamani MV, Kumar S, Sultan MJ, Yadav A, Lee NE. A Composite Microfiber for Biodegradable Stretchable Electronics. MICROMACHINES 2021; 12:1036. [PMID: 34577680 PMCID: PMC8468109 DOI: 10.3390/mi12091036] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 08/24/2021] [Accepted: 08/25/2021] [Indexed: 11/16/2022]
Abstract
Biodegradable stretchable electronics have demonstrated great potential for future applications in stretchable electronics and can be resorbed, dissolved, and disintegrated in the environment. Most biodegradable electronic devices have used flexible biodegradable materials, which have limited conformality in wearable and implantable devices. Here, we report a biodegradable, biocompatible, and stretchable composite microfiber of poly(glycerol sebacate) (PGS) and polyvinyl alcohol (PVA) for transient stretchable device applications. Compositing high-strength PVA with stretchable and biodegradable PGS with poor processability, formability, and mechanical strength overcomes the limits of pure PGS. As an application, the stretchable microfiber-based strain sensor developed by the incorporation of Au nanoparticles (AuNPs) into a composite microfiber showed stable current response under cyclic and dynamic stretching at 30% strain. The sensor also showed the ability to monitor the strain produced by tapping, bending, and stretching of the finger, knee, and esophagus. The biodegradable and stretchable composite materials of PGS with additive PVA have great potential for use in transient and environmentally friendly stretchable electronics with reduced environmental footprint.
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Affiliation(s)
- Adeela Hanif
- School of Advanced Materials Science and Engineering, Sungkyunkwan University (SKKU), Suwon 16419, Kyunggi-do, Korea; (A.H.); (G.G.); (A.B.); (M.V.C.); (S.K.); (M.J.S.); (A.Y.)
| | - Gargi Ghosh
- School of Advanced Materials Science and Engineering, Sungkyunkwan University (SKKU), Suwon 16419, Kyunggi-do, Korea; (A.H.); (G.G.); (A.B.); (M.V.C.); (S.K.); (M.J.S.); (A.Y.)
| | - Montri Meeseepong
- SKKU Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University (SKKU), Suwon 16419, Kyunggi-do, Korea; (M.M.); (H.H.C.)
| | - Hamna Haq Chouhdry
- SKKU Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University (SKKU), Suwon 16419, Kyunggi-do, Korea; (M.M.); (H.H.C.)
| | - Atanu Bag
- School of Advanced Materials Science and Engineering, Sungkyunkwan University (SKKU), Suwon 16419, Kyunggi-do, Korea; (A.H.); (G.G.); (A.B.); (M.V.C.); (S.K.); (M.J.S.); (A.Y.)
| | - M. V. Chinnamani
- School of Advanced Materials Science and Engineering, Sungkyunkwan University (SKKU), Suwon 16419, Kyunggi-do, Korea; (A.H.); (G.G.); (A.B.); (M.V.C.); (S.K.); (M.J.S.); (A.Y.)
| | - Surjeet Kumar
- School of Advanced Materials Science and Engineering, Sungkyunkwan University (SKKU), Suwon 16419, Kyunggi-do, Korea; (A.H.); (G.G.); (A.B.); (M.V.C.); (S.K.); (M.J.S.); (A.Y.)
| | - Muhammad Junaid Sultan
- School of Advanced Materials Science and Engineering, Sungkyunkwan University (SKKU), Suwon 16419, Kyunggi-do, Korea; (A.H.); (G.G.); (A.B.); (M.V.C.); (S.K.); (M.J.S.); (A.Y.)
| | - Anupama Yadav
- School of Advanced Materials Science and Engineering, Sungkyunkwan University (SKKU), Suwon 16419, Kyunggi-do, Korea; (A.H.); (G.G.); (A.B.); (M.V.C.); (S.K.); (M.J.S.); (A.Y.)
| | - Nae-Eung Lee
- School of Advanced Materials Science and Engineering, Sungkyunkwan University (SKKU), Suwon 16419, Kyunggi-do, Korea; (A.H.); (G.G.); (A.B.); (M.V.C.); (S.K.); (M.J.S.); (A.Y.)
- SKKU Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University (SKKU), Suwon 16419, Kyunggi-do, Korea; (M.M.); (H.H.C.)
- Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University (SKKU), Suwon 16419, Kyunggi-do, Korea
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Wei H, Kong D, Li T, Xue Q, Wang S, Cui D, Huang Y, Wang L, Hu S, Wan T, Yang G. Solution-Processable Conductive Composite Hydrogels with Multiple Synergetic Networks toward Wearable Pressure/Strain Sensors. ACS Sens 2021; 6:2938-2951. [PMID: 34328311 DOI: 10.1021/acssensors.1c00699] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
A biocompatible, flexible, yet robust conductive composite hydrogel (CCH) for wearable pressure/strain sensors has been achieved by an all-solution-based approach. The CCH is rationally constructed by in situ polymerization of aniline (An) monomers in the polyvinyl alcohol (PVA) matrix, followed by the cross-linking of PVA with glutaraldehyde (GA) as the cross-linker. The unique multiple synergetic networks in the CCH including strong chemical covalent bonds and abundance of weak physical cross-links, i.e., hydrogen bondings and electrostatic interactions, impart excellent mechanical strength (a fracture tensile strength of 1200 kPa), superior compressibility (ε = 80%@400 kPa), outstanding stretchability (a fracture strain of 670%), high sensitivity (0.62 kPa-1 at a pressure range of 0-1.0 kPa for pressure sensing and a gauge factor of 3.4 at a strain range of 0-300% for strain sensing, respectively), and prominent fatigue resistance (1500 cycling). As the flexible wearable sensor, the CCH is able to monitor different types of human motion and diagnostically distinguish speaking. As a proof of concept, a sensing device has been designed for the real-time detection of 2D distribution of weight or pressure, suggesting its promising potentials for electronic skin, human-machine interaction, and soft robot applications.
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Affiliation(s)
- Huige Wei
- Tianjin Key Laboratory of Brine Chemical Engineering and Resource Eco-utilization, College of Chemical Engineering and Materials Science, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Deshuo Kong
- Tianjin Key Laboratory of Brine Chemical Engineering and Resource Eco-utilization, College of Chemical Engineering and Materials Science, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Tuo Li
- Tianjin Key Laboratory of Brine Chemical Engineering and Resource Eco-utilization, College of Chemical Engineering and Materials Science, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Qizhou Xue
- Tianjin Key Laboratory of Brine Chemical Engineering and Resource Eco-utilization, College of Chemical Engineering and Materials Science, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Shaoyu Wang
- Tianjin Key Laboratory of Brine Chemical Engineering and Resource Eco-utilization, College of Chemical Engineering and Materials Science, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Dapeng Cui
- College of Light Industry Science and Engineering, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Yudong Huang
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Li Wang
- College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Sanming Hu
- College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Tong Wan
- Tianjin Key Laboratory of Brine Chemical Engineering and Resource Eco-utilization, College of Chemical Engineering and Materials Science, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Guang Yang
- College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
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Olefin metathesis-based chemically recyclable polymers enabled by fused-ring monomers. Nat Chem 2021; 13:743-750. [PMID: 34294914 DOI: 10.1038/s41557-021-00748-5] [Citation(s) in RCA: 75] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Accepted: 06/10/2021] [Indexed: 02/06/2023]
Abstract
A promising solution to address the challenges in plastics sustainability is to replace current polymers with chemically recyclable ones that can depolymerize into their constituent monomers to enable the circular use of materials. Despite some progress, few depolymerizable polymers exhibit the desirable thermal stability and strong mechanical properties of traditional polymers. Here we report a series of chemically recyclable polymers that show excellent thermal stability (decomposition temperature >370 °C) and tunable mechanical properties. The polymers are formed through ring-opening metathesis polymerization of cyclooctene with a trans-cyclobutane installed at the 5 and 6 positions. The additional ring converts the non-depolymerizable polycyclooctene into a depolymerizable polymer by reducing the ring strain energy in the monomer (from 8.2 kcal mol-1 in unsubstituted cyclooctene to 4.9 kcal mol-1 in the fused ring). The fused-ring monomer enables a broad scope of functionalities to be incorporated, providing access to chemically recyclable elastomers and plastics that show promise as next-generation sustainable materials.
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Chiong JA, Tran H, Lin Y, Zheng Y, Bao Z. Integrating Emerging Polymer Chemistries for the Advancement of Recyclable, Biodegradable, and Biocompatible Electronics. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:e2101233. [PMID: 34014619 PMCID: PMC8292855 DOI: 10.1002/advs.202101233] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Indexed: 05/02/2023]
Abstract
Through advances in molecular design, understanding of processing parameters, and development of non-traditional device fabrication techniques, the field of wearable and implantable skin-inspired devices is rapidly growing interest in the consumer market. Like previous technological advances, economic growth and efficiency is anticipated, as these devices will enable an augmented level of interaction between humans and the environment. However, the parallel growing electronic waste that is yet to be addressed has already left an adverse impact on the environment and human health. Looking forward, it is imperative to develop both human- and environmentally-friendly electronics, which are contingent on emerging recyclable, biodegradable, and biocompatible polymer technologies. This review provides definitions for recyclable, biodegradable, and biocompatible polymers based on reported literature, an overview of the analytical techniques used to characterize mechanical and chemical property changes, and standard policies for real-life applications. Then, various strategies in designing the next-generation of polymers to be recyclable, biodegradable, or biocompatible with enhanced functionalities relative to traditional or commercial polymers are discussed. Finally, electronics that exhibit an element of recyclability, biodegradability, or biocompatibility with new molecular design are highlighted with the anticipation of integrating emerging polymer chemistries into future electronic devices.
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Affiliation(s)
- Jerika A. Chiong
- Department of ChemistryStanford UniversityStanfordCA94305‐5025USA
| | - Helen Tran
- Department of ChemistryUniversity of TorontoTorontoONM5S 3H6Canada
| | - Yangju Lin
- Department of Chemical EngineeringStanford UniversityStanfordCA94305‐5025USA
| | - Yu Zheng
- Department of ChemistryStanford UniversityStanfordCA94305‐5025USA
| | - Zhenan Bao
- Department of Chemical EngineeringStanford UniversityStanfordCA94305‐5025USA
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Shieh P, Hill MR, Zhang W, Kristufek SL, Johnson JA. Clip Chemistry: Diverse (Bio)(macro)molecular and Material Function through Breaking Covalent Bonds. Chem Rev 2021; 121:7059-7121. [PMID: 33823111 DOI: 10.1021/acs.chemrev.0c01282] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
In the two decades since the introduction of the "click chemistry" concept, the toolbox of "click reactions" has continually expanded, enabling chemists, materials scientists, and biologists to rapidly and selectively build complexity for their applications of interest. Similarly, selective and efficient covalent bond breaking reactions have provided and will continue to provide transformative advances. Here, we review key examples and applications of efficient, selective covalent bond cleavage reactions, which we refer to herein as "clip reactions." The strategic application of clip reactions offers opportunities to tailor the compositions and structures of complex (bio)(macro)molecular systems with exquisite control. Working in concert, click chemistry and clip chemistry offer scientists and engineers powerful methods to address next-generation challenges across the chemical sciences.
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Affiliation(s)
- Peyton Shieh
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Megan R Hill
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Wenxu Zhang
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Samantha L Kristufek
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Jeremiah A Johnson
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
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40
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Hartmann F, Baumgartner M, Kaltenbrunner M. Becoming Sustainable, The New Frontier in Soft Robotics. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2004413. [PMID: 33336520 DOI: 10.1002/adma.202004413] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Revised: 08/03/2020] [Indexed: 06/12/2023]
Abstract
The advancement of technology has a profound and far-reaching impact on the society, now penetrating all areas of life. From cradle to grave, one is supported by and depends on a wide range of electronic and robotic appliances, with an ever more intimate integration of the digital and biological spheres. These advances, however, often come at the price of negatively impacting our ecosystem, with growing demands on energy, contributions to greenhouse gas emissions and environmental pollution-from production to improper disposal. Mitigating these adverse effects is among the grand challenges of the society and at the forefront of materials research. The currently emerging forms of soft, biologically inspired electronics and robotics have the unique potential of becoming not only like their natural antitypes in performance and capabilities, but also in terms of their ecological footprint. This review outlines the rise of sustainable materials in soft and bioinspired robotics, targeting all robotic components from actuators to energy storage and electronics. The state-of-the-art in biobased robotics spans flourishing fields and applications ranging from microbots operating in vivo to biohybrid machines and fully biodegradable yet resilient actuators. These first steps initiate the evolution of robotics and guide them into a sustainable future.
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Affiliation(s)
- Florian Hartmann
- Soft Matter Physics, Institute of Experimental Physics, Johannes Kepler University Linz, Altenberger Strasse 69, Linz, 4040, Austria
- Soft Materials Lab, Linz Institute of Technology LIT, Johannes Kepler University, Altenberger Strasse 69, Linz, 4040, Austria
| | - Melanie Baumgartner
- Soft Matter Physics, Institute of Experimental Physics, Johannes Kepler University Linz, Altenberger Strasse 69, Linz, 4040, Austria
- Soft Materials Lab, Linz Institute of Technology LIT, Johannes Kepler University, Altenberger Strasse 69, Linz, 4040, Austria
- Institute of Polymer Science, Johannes Kepler University, Altenberger Strasse 69, Linz, 4040, Austria
| | - Martin Kaltenbrunner
- Soft Matter Physics, Institute of Experimental Physics, Johannes Kepler University Linz, Altenberger Strasse 69, Linz, 4040, Austria
- Soft Materials Lab, Linz Institute of Technology LIT, Johannes Kepler University, Altenberger Strasse 69, Linz, 4040, Austria
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Hosseini E, Dervin S, Ganguly P, Dahiya R. Biodegradable Materials for Sustainable Health Monitoring Devices. ACS APPLIED BIO MATERIALS 2021; 4:163-194. [PMID: 33842859 PMCID: PMC8022537 DOI: 10.1021/acsabm.0c01139] [Citation(s) in RCA: 62] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Accepted: 12/20/2020] [Indexed: 12/12/2022]
Abstract
The recent advent of biodegradable materials has offered huge opportunity to transform healthcare technologies by enabling sensors that degrade naturally after use. The implantable electronic systems made from such materials eliminate the need for extraction or reoperation, minimize chronic inflammatory responses, and hence offer attractive propositions for future biomedical technology. The eco-friendly sensor systems developed from degradable materials could also help mitigate some of the major environmental issues by reducing the volume of electronic or medical waste produced and, in turn, the carbon footprint. With this background, herein we present a comprehensive overview of the structural and functional biodegradable materials that have been used for various biodegradable or bioresorbable electronic devices. The discussion focuses on the dissolution rates and degradation mechanisms of materials such as natural and synthetic polymers, organic or inorganic semiconductors, and hydrolyzable metals. The recent trend and examples of biodegradable or bioresorbable materials-based sensors for body monitoring, diagnostic, and medical therapeutic applications are also presented. Lastly, key technological challenges are discussed for clinical application of biodegradable sensors, particularly for implantable devices with wireless data and power transfer. Promising perspectives for the advancement of future generation of biodegradable sensor systems are also presented.
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Affiliation(s)
- Ensieh
S. Hosseini
- Bendable Electronics and
Sensing Technologies (BEST) Group, James Watt School of Engineering, University of Glasgow, G12 8QQ Glasgow, U.K.
| | - Saoirse Dervin
- Bendable Electronics and
Sensing Technologies (BEST) Group, James Watt School of Engineering, University of Glasgow, G12 8QQ Glasgow, U.K.
| | - Priyanka Ganguly
- Bendable Electronics and
Sensing Technologies (BEST) Group, James Watt School of Engineering, University of Glasgow, G12 8QQ Glasgow, U.K.
| | - Ravinder Dahiya
- Bendable Electronics and
Sensing Technologies (BEST) Group, James Watt School of Engineering, University of Glasgow, G12 8QQ Glasgow, U.K.
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Ritzau-Reid KI, Spicer CD, Gelmi A, Grigsby CL, Ponder JF, Bemmer V, Creamer A, Vilar R, Serio A, Stevens MM. An Electroactive Oligo-EDOT Platform for Neural Tissue Engineering. ADVANCED FUNCTIONAL MATERIALS 2020; 30:2003710. [PMID: 34035794 PMCID: PMC7610826 DOI: 10.1002/adfm.202003710] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Indexed: 05/04/2023]
Abstract
The unique electrochemical properties of the conductive polymer poly(3,4-ethylenedioxythiophene):polystyrene sulfonate (PEDOT:PSS) make it an attractive material for use in neural tissue engineering applications. However, inadequate mechanical properties, and difficulties in processing and lack of biodegradability have hindered progress in this field. Here, the functionality of PEDOT:PSS for neural tissue engineering is improved by incorporating 3,4-ethylenedioxythiophene (EDOT) oligomers, synthesized using a novel end-capping strategy, into block co-polymers. By exploiting end-functionalized oligoEDOT constructs as macroinitiators for the polymerization of poly(caprolactone), a block co-polymer is produced that is electroactive, processable, and bio-compatible. By combining these properties, electroactive fibrous mats are produced for neuronal culture via solution electrospinning and melt electrospinning writing. Importantly, it is also shown that neurite length and branching of neural stem cells can be enhanced on the materials under electrical stimulation, demonstrating the promise of these scaffolds for neural tissue engineering.
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Affiliation(s)
- Kaja I. Ritzau-Reid
- Department of Materials, Department of Bioengineering, Institute of
Biomedical Engineering, Imperial College London, London SW7 2AZ, UK
| | - Christopher D. Spicer
- Department of Materials, Department of Bioengineering, Institute of
Biomedical Engineering, Imperial College London, London SW7 2AZ, UK;
Department of Medical Biochemistry and Biophysics, Karolinska Institutet,
Stockholm 171 77, Sweden; Department of Chemistry, York Biomedical Research
Institute, University of York, Heslington YO10 5DD, UK
| | - Amy Gelmi
- Department of Materials, Department of Bioengineering, Institute of
Biomedical Engineering, Imperial College London, London SW7 2AZ, UK; Applied
Chemistry and Environmental Science, School of Science, RMIT University,
Melbourne 3000, Australia
| | - Christopher L. Grigsby
- Department of Medical Biochemistry and Biophysics, Karolinska
Institutet, Stockholm 171 77, Sweden
| | - James F. Ponder
- Department of Chemistry, Imperial College London, London SW7 2AZ,
UK
| | - Victoria Bemmer
- Department of Materials, Department of Bioengineering, Institute of
Biomedical Engineering, Imperial College London, London SW7 2AZ, UK
| | - Adam Creamer
- Department of Materials, Department of Bioengineering, Institute of
Biomedical Engineering, Imperial College London, London SW7 2AZ, UK
| | - Ramon Vilar
- Department of Chemistry, Imperial College London, London SW7 2AZ,
UK
| | - Andrea Serio
- Department of Materials, Department of Bioengineering, Institute of
Biomedical Engineering, Imperial College London, London SW7 2AZ, UK; Centre
for Craniofacial & Regenerative Biology, King’s College London
and The Francis Crick Institute, Tissue Engineering and Biophotonics
Division, Dental Institute, King’s College London, London SE1 9RT,
UK
| | - Molly M. Stevens
- Department of Materials, Department of Bioengineering, Institute
of Biomedical Engineering, Imperial College London, London SW7 2AZ, UK;
Department of Medical Biochemistry and Biophysics, Karolinska Institutet,
Stockholm 171 77, Sweden
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Shao Z, Hu X, Cheng W, Zhao Y, Hou J, Wu M, Xue D, Wang Y. Degradable self-adhesive epidermal sensors prepared from conductive nanocomposite hydrogel. NANOSCALE 2020; 12:18771-18781. [PMID: 32970084 DOI: 10.1039/d0nr04666c] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Conductive hydrogel-based epidermal sensors are attracting significant interest due to their great potential in soft robotics, electronic skins, bioelectronics and personalized healthcare monitoring. However, the conventional conductive hydrogel-based epidermal sensors cannot be degraded, resulting in the significant problem of waste, which will gradually increase the burden on the environment. Herein, degradable adhesive epidermal sensors were assembled using conductive nanocomposite hydrogels, which were prepared via the conformal coating of cellulose nanofiber (CNF) networks and supramolecular interaction among CNF, polydopamine (PDA), Fe3+, and polyacrylamide (PAM). They exhibited superior mechanical properties, reliable degradability (30 days in water), and excellent self-adhesiveness. The obtained hydrogels could be assembled as self-adhesive, degradable epidermal sensors for real-time human motion monitoring. Air could be sucked into the hydrogels during their swelling process, thereby oxidizing the tris-catechol-Fe3+ complexes and releasing Fe3+. Finally, the polymer networks were degraded via a Fenton-like reaction dominated by S2O82- and Fe(ii/iii) with the help of the catechol groups of PDA. This work paves the way for the potential fabrication of degradable, and self-adhesive epidermal sensors for applications in human-machine interactions, implantable bioelectronics, and personalized healthcare monitoring.
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Affiliation(s)
- Zhiang Shao
- College of Safety and Environmental Engineering, Shandong University of Science and Technology Qingdao, Shandong 266590, China.
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Singh R, Bathaei MJ, Istif E, Beker L. A Review of Bioresorbable Implantable Medical Devices: Materials, Fabrication, and Implementation. Adv Healthc Mater 2020; 9:e2000790. [PMID: 32790033 DOI: 10.1002/adhm.202000790] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 06/22/2020] [Indexed: 12/15/2022]
Abstract
Implantable medical devices (IMDs) are designed to sense specific parameters or stimulate organs and have been actively used for treatment and diagnosis of various diseases. IMDs are used for long-term disease screening or treatments and cannot be considered for short-term applications since patients need to go through a surgery for retrieval of the IMD. Advances in bioresorbable materials has led to the development of transient IMDs that can be resorbed by bodily fluids and disappear after a certain period. These devices are designed to be implanted in the adjacent of the targeted tissue for predetermined times with the aim of measurement of pressure, strain, or temperature, while the bioelectronic devices stimulate certain tissues. They enable opportunities for monitoring and treatment of acute diseases. To realize such transient and miniaturized devices, researchers utilize a variety of materials, novel fabrication methods, and device design strategies. This review discusses potential bioresorbable materials for each component in an IMD followed by programmable degradation and safety standards. Then, common fabrication methods for bioresorbable materials are introduced, along with challenges. The final section provides representative examples of bioresorbable IMDs for various applications with an emphasis on materials, device functionality, and fabrication methods.
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Affiliation(s)
- Rahul Singh
- Department of Mechanical Engineering Koç University Rumelifeneri Yolu, Sarıyer Istanbul 34450 Turkey
| | - Mohammad Javad Bathaei
- Department of Biomedical Sciences and Engineering Koç University Rumelifeneri Yolu, Sarıyer Istanbul 34450 Turkey
| | - Emin Istif
- Department of Mechanical Engineering Koç University Rumelifeneri Yolu, Sarıyer Istanbul 34450 Turkey
| | - Levent Beker
- Department of Mechanical Engineering Koç University Rumelifeneri Yolu, Sarıyer Istanbul 34450 Turkey
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Ohayon D, Inal S. Organic Bioelectronics: From Functional Materials to Next-Generation Devices and Power Sources. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e2001439. [PMID: 32691880 DOI: 10.1002/adma.202001439] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 05/03/2020] [Indexed: 05/23/2023]
Abstract
Conjugated polymers (CPs) possess a unique set of features setting them apart from other materials. These properties make them ideal when interfacing the biological world electronically. Their mixed electronic and ionic conductivity can be used to detect weak biological signals, deliver charged bioactive molecules, and mechanically or electrically stimulate tissues. CPs can be functionalized with various (bio)chemical moieties and blend with other functional materials, with the aim of modulating biological responses or endow specificity toward analytes of interest. They can absorb photons and generate electronic charges that are then used to stimulate cells or produce fuels. These polymers also have catalytic properties allowing them to harvest ambient energy and, along with their high capacitances, are promising materials for next-generation power sources integrated with bioelectronic devices. In this perspective, an overview of the key properties of CPs and examination of operational mechanism of electronic devices that leverage these properties for specific applications in bioelectronics is provided. In addition to discussing the chemical structure-functionality relationships of CPs applied at the biological interface, the development of new chemistries and form factors that would bring forth next-generation sensors, actuators, and their power sources, and, hence, advances in the field of organic bioelectronics is described.
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Affiliation(s)
- David Ohayon
- Organic Bioelectronics Laboratory, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Sahika Inal
- Organic Bioelectronics Laboratory, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
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