1
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Ding Y, Xiong S, Sun L, Wang Y, Zhou Y, Li Y, Peng J, Fukuda K, Someya T, Liu R, Zhang X. Metal nanowire-based transparent electrode for flexible and stretchable optoelectronic devices. Chem Soc Rev 2024. [PMID: 38953906 DOI: 10.1039/d4cs00080c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/04/2024]
Abstract
High-quality transparent electrodes are indispensable components of flexible optoelectronic devices as they guarantee sufficient light transparency and electrical conductivity. Compared to commercial indium tin oxide, metal nanowires are considered ideal candidates as flexible transparent electrodes (FTEs) owing to their superior optoelectronic properties, excellent mechanical flexibility, solution treatability, and higher compatibility with semiconductors. However, certain key challenges associated with material preparation and device fabrication remain for the practical application of metal nanowire-based electrodes. In this review, we discuss state-of-the-art solution-processed metal nanowire-based FTEs and their applications in flexible and stretchable optoelectronic devices. Specifically, the important properties of FTEs and a cost-benefit analysis of existing technologies are introduced, followed by a summary of the synthesis strategy, key properties, and fabrication technologies of the nanowires. Subsequently, we explore the applications of metal-nanowire-based FTEs in different optoelectronic devices including solar cells, photodetectors, and light-emitting diodes. Finally, the current status, future challenges, and emerging strategies in this field are presented.
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Affiliation(s)
- Yu Ding
- Soochow Institute of Energy and Material Innovations, Key Laboratory for Advanced Carbon Materials and Wearable Energy Technologies of Jiangsu Province, Institute of Functional Nano and Soft Materials (FUNSOM) and College of Energy, Soochow University, Suzhou 215006, P. R. China.
| | - Sixing Xiong
- Center for Emergent Matter Science (CEMS), RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.
| | - Lulu Sun
- Thin-Film Device Laboratory, RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Yiying Wang
- Soochow Institute of Energy and Material Innovations, Key Laboratory for Advanced Carbon Materials and Wearable Energy Technologies of Jiangsu Province, Institute of Functional Nano and Soft Materials (FUNSOM) and College of Energy, Soochow University, Suzhou 215006, P. R. China.
- Jiangsu Key Laboratory of Advanced Negative Carbon Technologies, Soochow University, Suzhou 215006, P. R. China
| | - Yinhua Zhou
- Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, P. R. China
| | - Yaowen Li
- College of Chemistry, Soochow University, Suzhou 215123, P. R. China
| | - Jun Peng
- Soochow Institute of Energy and Material Innovations, Key Laboratory for Advanced Carbon Materials and Wearable Energy Technologies of Jiangsu Province, Institute of Functional Nano and Soft Materials (FUNSOM) and College of Energy, Soochow University, Suzhou 215006, P. R. China.
- Jiangsu Key Laboratory of Advanced Negative Carbon Technologies, Soochow University, Suzhou 215006, P. R. China
| | - Kenjiro Fukuda
- Center for Emergent Matter Science (CEMS), RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.
- Thin-Film Device Laboratory, RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Takao Someya
- Center for Emergent Matter Science (CEMS), RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.
- Thin-Film Device Laboratory, RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
- Department of Electrical Engineering and Information Systems, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Ruiyuan Liu
- Soochow Institute of Energy and Material Innovations, Key Laboratory for Advanced Carbon Materials and Wearable Energy Technologies of Jiangsu Province, Institute of Functional Nano and Soft Materials (FUNSOM) and College of Energy, Soochow University, Suzhou 215006, P. R. China.
- Jiangsu Key Laboratory of Advanced Negative Carbon Technologies, Soochow University, Suzhou 215006, P. R. China
| | - Xiaohong Zhang
- Soochow Institute of Energy and Material Innovations, Key Laboratory for Advanced Carbon Materials and Wearable Energy Technologies of Jiangsu Province, Institute of Functional Nano and Soft Materials (FUNSOM) and College of Energy, Soochow University, Suzhou 215006, P. R. China.
- Jiangsu Key Laboratory of Advanced Negative Carbon Technologies, Soochow University, Suzhou 215006, P. R. China
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2
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Mao J, Cao H, Liu J, Zhou X, Fan Q, Wang J. Templated freezing assembly precisely regulates molecular assembly for free-standing centimeter-scale microtextured nanofilms. Sci China Chem 2023. [DOI: 10.1007/s11426-022-1476-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
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3
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Chen Y, Liang T, Chen L, Chen Y, Yang BR, Luo Y, Liu GS. Self-assembly, alignment, and patterning of metal nanowires. NANOSCALE HORIZONS 2022; 7:1299-1339. [PMID: 36193823 DOI: 10.1039/d2nh00313a] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Armed with the merits of one-dimensional nanostructures (flexibility, high aspect ratio, and anisotropy) and metals (high conductivity, plasmonic properties, and catalytic activity), metal nanowires (MNWs) have stood out as a new class of nanomaterials in the last two decades. They are envisaged to expedite significantly and even revolutionize a broad spectrum of applications related to display, sensing, energy, plasmonics, photonics, and catalysis. Compared with disordered MNWs, well-organized MNWs would not only enhance the intrinsic physical and chemical properties, but also create new functions and sophisticated architectures of optoelectronic devices. This paper presents a comprehensive review of assembly strategies of MNWs, including self-assembly for specific structures, alignment for anisotropic constructions, and patterning for precise configurations. The technical processes, underlying mechanisms, performance indicators, and representative applications of these strategies are described and discussed to inspire further innovation in assembly techniques and guide the fabrication of optoelectrical devices. Finally, a perspective on the critical challenges and future opportunities of MNW assembly is provided.
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Affiliation(s)
- Ying Chen
- Guangdong Provincial Key Laboratory of Optical Fiber Sensing and Communications, Department of Optoelectronic Engineering, Jinan University, Guangzhou 510632, China.
| | - Tianwei Liang
- Guangdong Provincial Key Laboratory of Optical Fiber Sensing and Communications, Department of Optoelectronic Engineering, Jinan University, Guangzhou 510632, China.
| | - Lei Chen
- Guangdong Provincial Key Laboratory of Optical Fiber Sensing and Communications, Department of Optoelectronic Engineering, Jinan University, Guangzhou 510632, China.
- Key Laboratory of Visible Light Communications of Guangzhou, Jinan University, Guangzhou 510632, China
- Key Laboratory of Optoelectronic Information and Sensing Technologies of Guangdong Higher Education Institutes, Guangzhou 510632, China
| | - Yaofei Chen
- Guangdong Provincial Key Laboratory of Optical Fiber Sensing and Communications, Department of Optoelectronic Engineering, Jinan University, Guangzhou 510632, China.
- Key Laboratory of Visible Light Communications of Guangzhou, Jinan University, Guangzhou 510632, China
- Key Laboratory of Optoelectronic Information and Sensing Technologies of Guangdong Higher Education Institutes, Guangzhou 510632, China
| | - Bo-Ru Yang
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Electronics and Information Technology, Sun Yat-Sen University, Guangzhou 510006, China
| | - Yunhan Luo
- Guangdong Provincial Key Laboratory of Optical Fiber Sensing and Communications, Department of Optoelectronic Engineering, Jinan University, Guangzhou 510632, China.
- Key Laboratory of Visible Light Communications of Guangzhou, Jinan University, Guangzhou 510632, China
- Key Laboratory of Optoelectronic Information and Sensing Technologies of Guangdong Higher Education Institutes, Guangzhou 510632, China
| | - Gui-Shi Liu
- Guangdong Provincial Key Laboratory of Optical Fiber Sensing and Communications, Department of Optoelectronic Engineering, Jinan University, Guangzhou 510632, China.
- Key Laboratory of Visible Light Communications of Guangzhou, Jinan University, Guangzhou 510632, China
- Key Laboratory of Optoelectronic Information and Sensing Technologies of Guangdong Higher Education Institutes, Guangzhou 510632, China
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4
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Yi M, Han M, Chen J, Hao Z, Chen Y, Yao Y, Sun R. A Novel Method to Prepare Transparent, Flexible and Thermally Conductive Polyethylene/Boron Nitride Films. NANOMATERIALS 2021; 12:nano12010111. [PMID: 35010062 PMCID: PMC8746404 DOI: 10.3390/nano12010111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 12/22/2021] [Accepted: 12/23/2021] [Indexed: 12/04/2022]
Abstract
The high thermal conductivity and good insulating properties of boron nitride (BN) make it a promising filler for high-performance polymer-based thermal management materials. An easy way to prepare BN-polymer composites is to directly mix BN particles with polymer matrix. However, a high concentration of fillers usually leads to a huge reduction of mechanical strength and optical transmission. Here, we propose a novel method to prepare polyethylene/boron nitride nanoplates (PE/BNNPs) composites through the combination of electrostatic self-assembly and hot pressing. Through this method, the thermal conductivity of the PE/BNNPs composites reach 0.47 W/mK, which gets a 14.6% improvement compared to pure polyethylene film. Thanks to the tight bonding of polyethylene with BNNPs, the tensile strength of the composite film reaches 1.82 MPa, an increase of 173.58% compared to that of pure polyethylene film (0.66 MPa). The fracture stress was also highly enhanced, with an increase of 148.44% compared to pure polyethylene film. Moreover, the addition of BNNPs in PE does not highly reduce its good transmittance, which is preferred for thermal management in devices like light-emitting diodes. This work gives an insight into the preparation strategy of transparent and flexible thermal management materials with high thermal conductivity.
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Affiliation(s)
- Mingming Yi
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, China; (M.Y.); (J.C.); (Y.C.)
- Shenzhen Institute of Advanced Electronic Materials, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China; (M.H.); (Y.Y.); (R.S.)
| | - Meng Han
- Shenzhen Institute of Advanced Electronic Materials, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China; (M.H.); (Y.Y.); (R.S.)
| | - Junlin Chen
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, China; (M.Y.); (J.C.); (Y.C.)
| | - Zhifeng Hao
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, China; (M.Y.); (J.C.); (Y.C.)
- Correspondence:
| | - Yuanzhou Chen
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, China; (M.Y.); (J.C.); (Y.C.)
| | - Yimin Yao
- Shenzhen Institute of Advanced Electronic Materials, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China; (M.H.); (Y.Y.); (R.S.)
| | - Rong Sun
- Shenzhen Institute of Advanced Electronic Materials, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China; (M.H.); (Y.Y.); (R.S.)
- Shenzhen College of Advanced Technology, University of Chinese Academy of Sciences, Shenzhen 518055, China
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Mourchid A, Boucenna I, Carn F. Mechanical strength enhancement by grain size reduction in a soft colloidal polycrystal. SOFT MATTER 2021; 17:10910-10917. [PMID: 34811558 DOI: 10.1039/d1sm01486b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
It has long been known that the mechanical strength of finely grained solid state polycrystals could be enhanced when the grain size is reduced. Indeed, the equation linking the yield stress and the inverse square root of grain size was introduced in the 1950s by Hall and Petch. Since then this relationship has been widely used to engineer structural metals and alloys. To date, no similar behavior has been reported in materials other than atomic systems where the grain size usually lies in the nanometric range. The purpose of the present work is to study the influence of grain size on the mechanical strength enhancement of a soft colloidal 'alloy' made of micellar polycrystalline grains and silica nanoparticles. The nanoparticles act as nucleation sites and their concentration promotes the variation of the polycrystalline grain size. This system bears resemblance to solid state polycrystals; however the achieved grain length scale is situated in the micrometric domain. We show that the grain size evolves non-monotonically, first decreasing then increasing, when the nanoparticle concentration increases. Our main result is that the yield stress rigorously obeys the Hall-Petch law and follows a linear variation as a function of the inverse square root of the grain diameter. We believe that our experimental approach offers new possibilities to study the poorly understood mechanical aspects of polycrystalline and nanocrystalline structures, such as their plasticity, using non-destructive techniques.
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Affiliation(s)
- Ahmed Mourchid
- Matière et Systèmes Complexes (MSC), UMR 7057 CNRS and Université de Paris, 10 rue Alice Domon et Léonie Duquet, 75205 Paris Cedex 13, France.
| | - Imane Boucenna
- Matière et Systèmes Complexes (MSC), UMR 7057 CNRS and Université de Paris, 10 rue Alice Domon et Léonie Duquet, 75205 Paris Cedex 13, France.
| | - Florent Carn
- Matière et Systèmes Complexes (MSC), UMR 7057 CNRS and Université de Paris, 10 rue Alice Domon et Léonie Duquet, 75205 Paris Cedex 13, France.
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6
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Kim J, Lee SM, You JS, Kim NY, Wooh S, Chang ST. Dewetting-driven self-assembly of web-like silver nanowire networked film for highly transparent conductors. J IND ENG CHEM 2021. [DOI: 10.1016/j.jiec.2021.12.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Shin JW, Lim HR, Cho HB, Kwon YT, Choa YH. Segregation-controlled self-assembly of silver nanowire networks using a template-free solution-based process. NANOSCALE 2021; 13:8442-8451. [PMID: 33908426 DOI: 10.1039/d0nr08762a] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Metal conductive patterning has been studied as an alternative to the most commonly used indium tin oxide electrodes. Printed electrodes are fabricated by several complicated processes including etching, photolithography, and laser- and template-based techniques. However, these patterning methods have increasingly encountered critical issues of long manufacturing times and high equipment costs that necessitate vacuum and high-temperature conditions. In this study, we present a template-free solution-based patterning method for the fabrication of transparent electronics by inducing segregation-based networks of silver nanowires (SGAgNWs); this is a potential method to fabricate cost effective and scalable optoelectronics. Micro-dimensional fine-patterned segregated networks with conductive cells are created by the self-assembly of one-dimensional nanomaterials under optimal ink conditions wherein different types of solvents and aspect ratios of silver nanowires (AgNWs) are formulated. Photoelectric properties can be controlled by adjusting the size of the cell, which is an empty domain surrounded by the AgNW assembly with microscale cell-to-cell distance dimensions ranging between 4 to 345 μm. The as-obtained AgNW metal grid-formulated on a polyethylene terephthalate film-was identified as a high-performance transparent electrode (TE) device with excellent optoelectronic properties of 87.08% transmittance and 50 Ω □-1 resistance. In addition, the electrical conductivity of the TE film is enhanced with a very low haze of less than 4% because of the intense pulsed light treatment that diminished the sheet resistance to 21.36 Ω □-1, which is attributed to the creation of welded silver networks. The SGAgNW concept for TE technology demonstrates a very promising potential for use in next-generation flexible electronic devices.
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Affiliation(s)
- Ji Won Shin
- Department of Materials Science and Chemical Engineering, Hanyang University, Ansan 15588, South Korea
| | - Hyo-Ryoung Lim
- George W. Woodruff School of Mechanical Engineering, Institute for Electronics and Nanotechnology, Georgia Institute of Technology, Atlanta, GA 30332, USA.
| | - Hong-Baek Cho
- Department of Materials Science and Chemical Engineering, Hanyang University, Ansan 15588, South Korea
| | - Young-Tae Kwon
- Metal Powder Department, Korea Institute of Materials Science, Changwon, 51508, Republic of Korea
| | - Yong-Ho Choa
- Department of Materials Science and Chemical Engineering, Hanyang University, Ansan 15588, South Korea
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8
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Zhu S, Yu J, Chen X, Zhang Q, Cai X, Ding Y, Zhou X, Wang S. Dual cryoprotective strategies for ice-binding and stabilizing of frozen seafood: A review. Trends Food Sci Technol 2021. [DOI: 10.1016/j.tifs.2021.02.069] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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9
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Zhou H, Song Y. Fabrication of Silver Mesh/Grid and Its Applications in Electronics. ACS APPLIED MATERIALS & INTERFACES 2021; 13:3493-3511. [PMID: 33440929 DOI: 10.1021/acsami.0c18518] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
With the development of flexible electronics, researchers have endeavored to improve the characteristics of the commonly used indium tin oxide such as brittleness, poor mechanical or chemical stability, and scarcity. Currently, many alternative materials have been considered such as conductive polymers, graphene, carbon nanotubes, metallic nanoparticles (NPs), nanowires (NWs), or nanofibers. Among them, silver (Ag) mesh/grid NPs or NWs have been considered as an excellent substitute due to the good transmittance, excellent electrical conductivity, outstanding mechanical robustness, and cost competitiveness. So far, much effort has been devoted to the fabrication of Ag mesh/grid, and many methods such as printing technology, self-assembly, electrospun, hot-pressing, and atomic layer deposition have been reported. Here printing technologies include jet printing, gravure printing, screen printing, nanoimprint lithography, microcontact printing, and flexographic printing. The solution-based self-assembly usually combines with coating, template, or mask assistance. This review summarizes the characteristics of these fabrication methods for the Ag mesh/grid with its related applications in electronics. Then the prospect and challenges of the fabrication methods are discussed, and the new preparation approaches and applications of the Ag mesh/grid are highlighted, which will be of significance for the applications in electronics such as transparent conducting electrodes, organic light-emitting diode, energy harvester, strain sensor, cells, etc.
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Affiliation(s)
- Haihua Zhou
- Key Laboratory of Green Printing, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing Engineering Research Center of Nanomaterials for Green Printing Technology, Beijing National Laboratory for Molecular Sciences, Beijing 100190, China
| | - Yanlin Song
- Key Laboratory of Green Printing, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing Engineering Research Center of Nanomaterials for Green Printing Technology, Beijing National Laboratory for Molecular Sciences, Beijing 100190, China
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Shao G, Hanaor DAH, Shen X, Gurlo A. Freeze Casting: From Low-Dimensional Building Blocks to Aligned Porous Structures-A Review of Novel Materials, Methods, and Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e1907176. [PMID: 32163660 DOI: 10.1002/adma.201907176] [Citation(s) in RCA: 159] [Impact Index Per Article: 39.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Revised: 12/30/2019] [Indexed: 05/19/2023]
Abstract
Freeze casting, also known as ice templating, is a particularly versatile technique that has been applied extensively for the fabrication of well-controlled biomimetic porous materials based on ceramics, metals, polymers, biomacromolecules, and carbon nanomaterials, endowing them with novel properties and broadening their applicability. The principles of different directional freeze-casting processes are described and the relationships between processing and structure are examined. Recent progress in freeze-casting assisted assembly of low dimensional building blocks, including graphene and carbon nanotubes, into tailored micro- and macrostructures is then summarized. Emerging trends relating to novel materials as building blocks and novel freeze-cast geometries-beads, fibers, films, complex macrostructures, and nacre-mimetic composites-are presented. Thereafter, the means by which aligned porous structures and nacre mimetic materials obtainable through recently developed freeze-casting techniques and low-dimensional building blocks can facilitate material functionality across multiple fields of application, including energy storage and conversion, environmental remediation, thermal management, and smart materials, are discussed.
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Affiliation(s)
- Gaofeng Shao
- School of Chemistry and Materials Science, Nanjing University of Information Science & Technology, Nanjing, 210044, China
- Fachgebiet Keramische Werkstoffe/Chair of Advanced Ceramic Materials, Technische Universität Berlin, Hardenbergstr. 40, Berlin, 10623, Germany
| | - Dorian A H Hanaor
- Fachgebiet Keramische Werkstoffe/Chair of Advanced Ceramic Materials, Technische Universität Berlin, Hardenbergstr. 40, Berlin, 10623, Germany
| | - Xiaodong Shen
- College of Materials Science and Engineering, Nanjing Tech University, Nanjing, 211816, China
| | - Aleksander Gurlo
- Fachgebiet Keramische Werkstoffe/Chair of Advanced Ceramic Materials, Technische Universität Berlin, Hardenbergstr. 40, Berlin, 10623, Germany
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Yang J, Wei L, Zhao T, Yang T, Wang J, Wu W, Yang X, Li Z, Wu M. Hollow petal-like Co3O4 nanoflakes as bifunctional electrocatalysts through template-free protocol and structural controlled kinetics in gas evolution. Electrochim Acta 2019. [DOI: 10.1016/j.electacta.2019.06.105] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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12
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Bae J, Lee J, Zhou Q, Kim T. Micro-/Nanofluidics for Liquid-Mediated Patterning of Hybrid-Scale Material Structures. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2019; 31:e1804953. [PMID: 30600554 DOI: 10.1002/adma.201804953] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Revised: 09/17/2018] [Indexed: 06/09/2023]
Abstract
Various materials are fabricated to form specific structures/patterns at the micro-/nanoscale, which exhibit additional functions and performance. Recent liquid-mediated fabrication methods utilizing bottom-up approaches benefit from micro-/nanofluidic technologies that provide a high controllability for manipulating fluids containing various solutes, suspensions, and building blocks at the microscale and/or nanoscale. Here, the state-of-the-art micro-/nanofluidic approaches are discussed, which facilitate the liquid-mediated patterning of various hybrid-scale material structures, thereby showing many additional advantages in cost, labor, resolution, and throughput. Such systems are categorized here according to three representative forms defined by the degree of the free-fluid-fluid interface: free, semiconfined, and fully confined forms. The micro-/nanofluidic methods for each form are discussed, followed by recent examples of their applications. To close, the remaining issues and potential applications are summarized.
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Affiliation(s)
- Juyeol Bae
- Department of Mechanical Engineering, Ulsan National Institute of Science and Technology (UNIST), 50 UNIST-gil, Ulsan, 44919, Republic of Korea
| | - Jongwan Lee
- Department of Mechanical Engineering, Ulsan National Institute of Science and Technology (UNIST), 50 UNIST-gil, Ulsan, 44919, Republic of Korea
| | - Qitao Zhou
- Department of Mechanical Engineering, Ulsan National Institute of Science and Technology (UNIST), 50 UNIST-gil, Ulsan, 44919, Republic of Korea
| | - Taesung Kim
- Department of Mechanical Engineering, Ulsan National Institute of Science and Technology (UNIST), 50 UNIST-gil, Ulsan, 44919, Republic of Korea
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Li T, Zhao Y, Zhong Q, Wu T. Inhibiting Ice Recrystallization by Nanocelluloses. Biomacromolecules 2019; 20:1667-1674. [DOI: 10.1021/acs.biomac.9b00027] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Teng Li
- Department of Food Science, University of Tennessee, 2510 River Drive, Knoxville, Tennessee 37996, United States
| | - Ying Zhao
- Department of Food Science, University of Tennessee, 2510 River Drive, Knoxville, Tennessee 37996, United States
- Glycomics and
Glycan Bioengineering Research Center (GGBRC), College of Food Science and Technology, Nanjing Agricultural University, Weigang 1, Nanjing 210095, People’s Republic of China
| | - Qixin Zhong
- Department of Food Science, University of Tennessee, 2510 River Drive, Knoxville, Tennessee 37996, United States
| | - Tao Wu
- Department of Food Science, University of Tennessee, 2510 River Drive, Knoxville, Tennessee 37996, United States
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14
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Wang JL, Hassan M, Liu JW, Yu SH. Nanowire Assemblies for Flexible Electronic Devices: Recent Advances and Perspectives. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2018; 30:e1803430. [PMID: 30357968 DOI: 10.1002/adma.201803430] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Revised: 07/24/2018] [Indexed: 05/20/2023]
Abstract
The fabrication of nanowire (NW)-based flexible electronics including wearable energy storage devices, flexible displays, electrical sensors, and health monitors has received great attention both in fundamental research and market requirements in our daily lives. Other than a disordered state after synthesis, NWs with designed and hierarchical structures would not only optimize the intrinsic performance, but also create new physical and chemical properties, and integration of individual NWs into well-defined structures over large areas is one of the most promising strategies to optimize the performance of NW-based flexible electronics. Here, the recent developments and achievements made in the field of flexible electronics composed of integrated NW structures are presented. The different assembly strategies for the construction of 1D, 2D, and 3D NW assemblies, especially the NW coassembly process for 2D NW assemblies, are comprehensively discussed. The improvements of different NW assemblies on flexible electronics structure and performance are described in detail to elucidate the advantages of well-defined NW assemblies. Finally, a short summary and outlook for future challenges and perspectives in this field are presented.
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Affiliation(s)
- Jin-Long Wang
- Division of Nanomaterials and Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, CAS Center for Excellence in Nanoscience, Collaborative Innovation Center of Suzhou Nano Science and Technology, Department of Chemistry, Hefei Science Center of CAS, University of Science and Technology of China, Hefei, 230026, China
| | - Muhammad Hassan
- Division of Nanomaterials and Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, CAS Center for Excellence in Nanoscience, Collaborative Innovation Center of Suzhou Nano Science and Technology, Department of Chemistry, Hefei Science Center of CAS, University of Science and Technology of China, Hefei, 230026, China
| | - Jian-Wei Liu
- Division of Nanomaterials and Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, CAS Center for Excellence in Nanoscience, Collaborative Innovation Center of Suzhou Nano Science and Technology, Department of Chemistry, Hefei Science Center of CAS, University of Science and Technology of China, Hefei, 230026, China
| | - Shu-Hong Yu
- Division of Nanomaterials and Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, CAS Center for Excellence in Nanoscience, Collaborative Innovation Center of Suzhou Nano Science and Technology, Department of Chemistry, Hefei Science Center of CAS, University of Science and Technology of China, Hefei, 230026, China
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Zhang C, Khan A, Cai J, Liang C, Liu Y, Deng J, Huang S, Li G, Li WD. Stretchable Transparent Electrodes with Solution-Processed Regular Metal Mesh for an Electroluminescent Light-Emitting Film. ACS APPLIED MATERIALS & INTERFACES 2018; 10:21009-21017. [PMID: 29799181 DOI: 10.1021/acsami.8b06691] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
We report stretchable metal-mesh transparent electrodes (TEs) with excellent electrical conductivity (<2 Ω/sq) and optical transparency (>80%) under up to 55% strain. The figures of merit on these electrodes, as defined as the ratio between electrical conductivity and optical conductivity, are among the highest reported for stretchable TEs under moderate stretching. Moreover, we demonstrate their application in a stretchable electroluminescent (EL) light-emitting film as top and bottom electrodes. EL lighting devices require low-resistance electrodes to unleash their potential for large-area low-power-consumption applications, in which our highly conductive and transparent stretchable TEs provide an edge on other competitor approaches. Importantly, our stretchable metal-mesh electrodes are fabricated through a vacuum-free solution-processed approach that is scalable for cost-effective mass production. We also investigate the fracture and fatigue mechanisms of stretchable metal-mesh electrodes with various mesh patterns and observe different behaviors under one-time and cyclic stretching conditions. Our solution-processed fabrication method, failure mechanism investigation, and device demonstration for metal-mesh stretchable TEs will facilitate the adoption of this promising high-performance approach in stretchable and wearable electronics applications.
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Affiliation(s)
- Cuiping Zhang
- Department of Mechanical Engineering , The University of Hong Kong , Pokfulam , Hong Kong , China
- HKU-Zhejiang Institute of Research and Innovation (HKU-ZIRI) , Hangzhou 311300 Zhejiang , China
| | - Arshad Khan
- Department of Mechanical Engineering , The University of Hong Kong , Pokfulam , Hong Kong , China
| | - Jingxuan Cai
- Department of Mechanical Engineering , The University of Hong Kong , Pokfulam , Hong Kong , China
- HKU-Zhejiang Institute of Research and Innovation (HKU-ZIRI) , Hangzhou 311300 Zhejiang , China
| | - Chuwei Liang
- Department of Mechanical Engineering , The University of Hong Kong , Pokfulam , Hong Kong , China
- HKU-Zhejiang Institute of Research and Innovation (HKU-ZIRI) , Hangzhou 311300 Zhejiang , China
| | | | | | | | | | - Wen-Di Li
- Department of Mechanical Engineering , The University of Hong Kong , Pokfulam , Hong Kong , China
- HKU-Zhejiang Institute of Research and Innovation (HKU-ZIRI) , Hangzhou 311300 Zhejiang , China
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Kim JY, Jin HM, Jeong SJ, Chang T, Kim BH, Cha SK, Kim JS, Shin DO, Choi JY, Kim JH, Yang GG, Jeon S, Lee YG, Kim KM, Shin J, Kim SO. Bimodal phase separated block copolymer/homopolymer blends self-assembly for hierarchical porous metal nanomesh electrodes. NANOSCALE 2017; 10:100-108. [PMID: 29210423 DOI: 10.1039/c7nr07178g] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Transparent conducting electrodes (TCEs) are essential components in various optoelectronic devices. Nanostructured metallic thin film is one of the promising candidates to complement current metal oxide films, such as ITO, where high cost rare earth elements have been a longstanding issue. Herein, we present that multiscale porous metal nanomesh thin films prepared by bimodal self-assembly of block copolymer (BCP)/homopolymer blends may offer a new opportunity for TCE. This hierarchical concurrent self-assembly consists of macrophase separation between BCP and homopolymer as well as microphase separation of BCP, and thus provides a straightforward spontaneous production of a highly porous multiscale pattern over an arbitrary large area. Employing a conventional pattern transfer process, we successfully demonstrated a multiscale highly porous metallic thin film with reasonable optical transparency, electro-conductance, and large-area uniformity, taking advantage of low loss light penetration through microscale pores and significant suppression of light reflection at the nanoporous structures. This well-defined controllable bimodal self-assembly can offer valuable opportunities for many different applications, including optoelectronics, energy harvesting, and membranes.
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Affiliation(s)
- Ju Young Kim
- National Creative Research Initiative Center for Multi-Dimensional Directed Nanoscale Assembly, Department of Materials Science and Engineering, KAIST, Daejeon 34141, Republic of Korea.
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