Fabrication and characterization of a novel terpolyester film: An alternative substrate polymer for flexible electronic devices

Hussain, Fiaz; Jeong, Jaemin; Park, Sang Won; Jeong, Eui-Chul; Kang, Soo‐Jung; Yoon, Kyung Hoon; Kim, Jinhwan

doi:10.1016/j.polymer.2020.123019

Cited by 19 publications

(7 citation statements)

References 30 publications

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“…Conventional substrates used for transistors have low thermal characteristics and high coefficients of thermal expansion (CTE), which is a limit for developing transistor device. [191,192] Therefore, cellulose papers with low cost, low CTE, and that are eco-friendly have attracted great interest for antenna systems. [193] Antennas are an electronic device that transform electric signals and electromagnetic waves.…”

Section: Transistors/antennasmentioning

confidence: 99%

Cutting Edge Use of Conductive Patterns in Nanocellulose‐Based Green Electronics

Kwon

Choi

et al. 2023

Adv Funct Materials

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Green electronics made from degradable materials have recently attracted special attention, because electronic waste (e‐waste) represents a serious threat to the environment and to human health worldwide. Among the novel materials used for sustainable technologies, nanocelluloses containing at least 1D in the nanoscale range (1–100 nm) have been widely exploited for various industrial applications owing to their inherent properties, such as biodegradability, mechanical strength, thermal stability, and optical transparency. This review highlights recent advances in research on the development of patterns for conductive material on nanocellulose substrates for use in high‐performance green electronics. The advantages of nanocellulose substrates compared to conventional paper substrates for advanced green electronics are discussed. Importantly, this review emphasizes various fabrication strategies for producing conductive patterns on different types of nanocellulose‐based substrates, such as cellulose nanofiber (CNF), (2,2,6,6‐tetramethylpiperidin‐1‐yl)oxyl(TEMPO)‐oxidized CNF, regenerated cellulose, and bacterial cellulose. In the latter part of this review, emerging engineering applications for green electronics such as circuits, transistors/antennas, sensors, energy storage systems, and electrochromic devices are further discussed.

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Section: Transistors/antennasmentioning

confidence: 99%

Cutting Edge Use of Conductive Patterns in Nanocellulose‐Based Green Electronics

Kwon

Choi

et al. 2023

Adv Funct Materials

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“…However, the highly drawn process rarely succeeded and showed rather low mechanical properties due to the necking or polymer chain breakage. 33,34 Hence, we selected the drawing ratio of Â2.5 as the optimized process to enhance the mechanical properties of the PTFE fiber as-spun. All the mechanical properties with drawing ratios are tabulated in Table 2.…”

Section: Post-thermal Drawing Process Of Ptfe Fibermentioning

confidence: 99%

Polytetrafluoroethylene fiber fabrication from the continuous melt-spinning process and its properties

Lim

Kim

Lee

et al. 2022

Textile Research Journal

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Polytetrafluoroethylene (PTFE) has high thermal stability and chemical resistance, and hence is gaining great attention in the industrial field of high-performance filters, membranes, and medical applications. However, since PTFE possesses a narrow gap between melting (330°C) and decomposition temperatures (350°C), the melt-spinning process that is required to satisfy industrial needs for mass production has been limited. Here, perfluoro(propyl vinyl ether) (PPVE) was introduced to decrease the melting point of PTFE then fiber fabrication was performed with the melt-spinning process using a single-screw extruder, enabling the PTFE fiber to fabricate continuously. We selected an optimal melt-spinning condition and obtained PTFE fiber from the melt-processable PTFE/PPVE copolymer. The as-spun PTFE fiber showed low mechanical strength (0.90 g/denier or 89.1 MPa of tenacity). A post-thermal drawing process was performed to increase the mechanical strength of the PTFE as-spun. It demonstrated that the thermally drawn PTFE fiber showed higher mechanical strength (1.84 g/denier or 220.0 MPa of tenacity) due to the increased degree of crystallinity. Also, the other trial, thermal stabilization under N2, suggested as a future modification method to increase mechanical strength further, preventing thermal constriction of the PTFE fiber. The melt-spun and thermally drawn PTFE fibers were knitted and it was confirmed that the fiber has high chemical resistance and similar surface chemistry to conventional PTFE fibers. This study developed a method to enable a melt-processable PTFE fiber fabrication and opens up opportunities for mass production that is crucial in the industrial aspect.

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“…The worldwide proliferation of flexible electronics has created demands for lightweight substrate materials that can be applied in the next generation of flexible micro-electronics. 1 High-transparency polymer materials are ideal materials, [2][3][4] of which polyimide (PI) exhibits many desirable characteristics, such as its satisfactory physical and chemical properties, its malleability, and also the diversity of structures that it can form. 5,6 In recent years, there has been considerable research on functional PI films and their applications, especially for flexible substrates for displays, 7,8 photovoltaic devices, 9 dielectric layers, 10 and fifth generation (5G) mobile communication.…”

Section: Introductionmentioning

confidence: 99%

Reduced coefficient of linear thermal expansion for colorless and transparent polyimide by introducing rigid-rod amide units: synthesis and properties

Zuo

Qian

et al. 2022

Polym. Chem.

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Fabrication and characterization of a novel terpolyester film: An alternative substrate polymer for flexible electronic devices

Cited by 19 publications

References 30 publications

Cutting Edge Use of Conductive Patterns in Nanocellulose‐Based Green Electronics

Cutting Edge Use of Conductive Patterns in Nanocellulose‐Based Green Electronics

Polytetrafluoroethylene fiber fabrication from the continuous melt-spinning process and its properties

Reduced coefficient of linear thermal expansion for colorless and transparent polyimide by introducing rigid-rod amide units: synthesis and properties

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