Flexible, Highly Durable, and Thermally Stable SWCNT/Polyimide Transparent Electrodes

Kim, Seong-Ku; Liu, Tao; Wang, Xiaogong

doi:10.1021/acsami.5b06181

Cited by 28 publications

(24 citation statements)

References 42 publications

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“…On the other hand, there are reports in which SWCNTs were removed from the TCF substrate while using small molecule surfactants or polymeric dispersants in the absence of binders or additives in peel-off test. 8,40,41 This indicates the effectiveness of SPES as a polymeric dispersant to induce good dispersion of individual SWCNTs with high aspect ratio as well as outstanding mechanical durability in exible TCFs. We believe that this approach may be used to 19270 | RSC Adv., 2017, 7,[19267][19268][19269][19270][19271][19272] This journal is © The Royal Society of Chemistry 2017 develop the large-scale production of transparent electrodes with good exibility, stability, and durability, suitable for touch panel applications.…”

Section: Resultsmentioning

confidence: 92%

“…For past few decades, carbon nanotubes (CNTs) are considered as a promising material in various elds including energy, environment, medicine, and textiles because of their unique and outstanding properties such as good electrical properties, high mechanical and thermal stability. [1][2][3][4][5][6][7][8][9][10][11] In particular, singlewalled carbon nanotubes (SWCNTs), which have remarkable electrical mobility, conductivity 6,12 and work functions, 13 are deliberated favorable in electrical applications such as transistors, 6,14,15 sensors, 16,17 memory devices 18 and conducting lms. [4][5][6][7][19][20][21] Thus, SWCNTs are expected as the best candidate material to replace current ITO due to outstanding exibility, good stability, high conductivity and good optical transparency, ability of low-temperature printing and coating process; and thanks to its abundant availability which has great potential for the cost reduction.…”

Section: Introductionmentioning

confidence: 99%

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Fabrication of durable and flexible single-walled carbon nanotube transparent conductive films

et al. 2017

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Section: Resultsmentioning

confidence: 92%

Section: Introductionmentioning

confidence: 99%

Fabrication of durable and flexible single-walled carbon nanotube transparent conductive films

et al. 2017

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“…In response to this need, many new technologies have been proposed and demonstrated, with examples of microstructures resulting from some of these shown in Figure . These examples include conducting polymers (Figure a), nanotube networks (Figure c), graphene films (Figure d), as well as metallic networks (Figure b,e–h) . While carbon‐based structures (nanotube arrays and graphene films) offer some advantages (flexibility, wet chemistry processing, etc.…”

Section: Introductionmentioning

confidence: 99%

Nature‐Inspired Metallic Networks for Transparent Electrodes

Gao

Zhou

Liu

et al. 2017

Adv Funct Materials

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Nature offers structural solutions to various optimization problems. For example, an optimal, low-shedding water transport at various scales is achieved with quasi-fractal structures, shown to be close to optimal. In a series of projects, metallic network analogs of some of these solutions to make high-efficiency transparent conductors are studied. Specifically, transparent conductors are developed by directly metalizing leaf venations, spider webs, and other organic fibers. Also, the natural process of self-cracking, similar to that occurring in the mud of dried-out riverbeds, is employed to develop masks for metallic network fabrications. These comprehensive studies and developments contributed to, and in some cases initiate new directions in the field of network transparent conductors. These structures offer performance exceeding those of conventional oxide-based films, while providing a possibility of reduced processing expense. This paper provides a concise, comparative review of this study and other groups' efforts in recent years. In the context of applications, the performance criteria are defined, and with those as a guideline, practicality of the most promising networks is discussed.In response to this need, many new technologies have been proposed and demonstrated, with examples of microstructures resulting from some of these shown in Figure 1. These examples include conducting polymers (Figure 1a), [25][26][27][28] nanotube networks (Figure 1c), [29][30][31] graphene films (Figure 1d), [3,4,[32][33][34] as well as metallic networks (Figure 1b,e-h). [2,6,[35][36][37][38][39][40][41][42][43][44][45][46] While carbon-based structures (nanotube arrays and graphene films) offer some advantages (flexibility, wet chemistry processing, etc.), their electro-optical performance, and manufacturability are still inferior to those of the oxide-based transparent conductors. Metallic networks, made of individual nanowires or continuous metallic lines, are the most promising candidates for the nonoxide transparent conductors. Conductivity of the metallic networks is determined by the continuity of the metallic lines and their cross-sectional area. The metallic network transparency, in turn, depends on the density of the network lines and the ratio of their perpendicular dimensions to the light wavelength. Metallic nanowire networks consist of random distributions of long metallic nanowires. [29,40,[47][48][49][50][51][52][53][54][55] While these can be inexpensively processed by wet chemistry, they suffer from poor conductivity due to the large wire-towire contact resistance and large number of such contacts involved. Metallic networks made of continuous metallic lines have been recently developed to remedy this deficiency, and these include periodic [42][43][44] (Figure 1b) and random metallic grids, [2,6,[35][36][37][38][39][40][41] shown in Figure 1e-h.In the search for self-assembled network structures on which such metallic grids could be based, our group has been inspired by Nature, which continually develops m...

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“…Polyimides are well-known as an important class of high-performance polymers owing to their exceptionally high thermo-oxidative stability. [1][2][3] Aromatic polyimides have found a wide range of applications in many industrial fields due to their excellent electrical and physical properties in addition to their high thermal, mechanical, and oxidative stability. Because of this combination of properties, polyimides are mainly used in the aerospace and electronics industries in the forms of films and moldings.…”

Section: Introductionmentioning

confidence: 99%

Naphthalene‐based polyimide electrolytes for lithium‐ion battery applications

et al. 2016

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The preparation of 2,6-Bis(m-amino phenoxy) benzoyl naphthalene-based polyimides for solid polymer electrolytes was reported. Li-salt and PEO bearing polyimide membranes were prepared. Thermo-gravimetric analysis results reveal that the PI/PEO/LiCF 3 SO 3 polymer electrolyte membranes are thermally stable up to 500°C.The "T g " values are in the range 167-221.5°C according to dynamic mechanical analysis (DMA). The conductivities of Li-salt and PEO containing PI membranes are in the range of 10 −7 -10 −5 S/cm. The conductivity increases with incorporation of PEO and Li + concentration. The linear sweep voltammetry experiments showed that no peaks were observed between 1.75 and 4.5 V. K E Y W O R D Simpedance spectroscopy, Li batteries, polyimides, solid polymer electrolytes

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Flexible, Highly Durable, and Thermally Stable SWCNT/Polyimide Transparent Electrodes

Cited by 28 publications

References 42 publications

Fabrication of durable and flexible single-walled carbon nanotube transparent conductive films

Fabrication of durable and flexible single-walled carbon nanotube transparent conductive films

Nature‐Inspired Metallic Networks for Transparent Electrodes

Naphthalene‐based polyimide electrolytes for lithium‐ion battery applications

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