Flexible electroluminescent fiber fabricated from coaxially wound carbon nanotube sheets

Zhang, Zhitao; Zhang, Qi; Guo, Kunping; Li, Yiming; Li, Xueyi; Wang, Lie; Luo, Yongfeng; Li, Houpu; Zhang, Ye; Guan, Guozhen; Wei, Bin; Zhu, Xiaohui; Peng, Huisheng

doi:10.1039/c5tc01037c

Cited by 76 publications

(38 citation statements)

References 32 publications

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“…With these intrinsic robust, simple, fault‐tolerant features, LECs have been considered as one of the most promising candidates for realizing truly flexible, and wearable display applications . Moreover, intrinsically stretchable LECs have been successfully fabricated by embedding elastomeric polymers, such as polydimethylsiloxane (PDMS) and polyurethane acrylate (PUA) into constituent materials in devices or substrates …”

Section: Materials and Architecture Design Of Fiber Shaped Lighting Dmentioning

confidence: 99%

“…Due to these recent efforts to improve their drawbacks and their intrinsic “fault‐tolerant” features, LEC devices have been employed for use in fiber‐shaped wearable applications. Zhang et al demonstrated the first fiber‐shaped, solution‐processed PLEC using a dip‐coating and wrapping process . Their devices consisted of a ZnO nanoparticle layer, active layer, and CNT sheet electrode.…”

Section: Materials and Architecture Design Of Fiber Shaped Lighting Dmentioning

confidence: 99%

“…Although the devices were produced using all‐solution based processes, they could not avoid the high temperature annealing process, which has limited their use for various kinds of general fiber materials. Zhang et al also developed fiber‐based PLECs consisting of two CNT sheet electrodes and an emissive layer on insulating fibers . They successfully produced PLEC fibers using a low‐temperature all‐solution based process but their devices showed low brightness and efficiencies of 505 cd m −2 and 0.51 cd A −2 at the high operating voltage of 30 V, because of the absence of the ZnO nanoparticle layer which required the high temperature annealing process.…”

Section: Materials and Architecture Design Of Fiber Shaped Lighting Dmentioning

confidence: 99%

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Recent Progress of Fiber Shaped Lighting Devices for Smart Display Applications—A Fibertronic Perspective

et al. 2019

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Advances in material science and nanotechnology have fostered the miniaturization of devices. Over the past two decades, the form‐factor of these devices has evolved from 3D rigid, volumetric devices through 2D film‐based flexible electronics, finally to 1D fiber electronics (fibertronics). In this regard, fibertronic strategies toward wearable applications (e.g., electronic textiles (e‐textiles)) have attracted considerable attention thanks to their capability to impart various functions into textiles with retaining textiles' intrinsic properties as well as imperceptible irritation by foreign matters. In recent years, extensive research has been carried out to develop various functional devices in the fiber form. Among various features, lighting and display features are the highly desirable functions in wearable electronics. This article discusses the recent progress of materials, architectural designs, and new fabrication technologies of fiber‐shaped lighting devices and the current challenges corresponding to each device's operating mechanism. Moreover, opportunities and applications that the revolutionary convergence between the state‐of‐the‐art fibertronic technology and age‐long textile industry will bring in the future are also discussed.

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Section: Materials and Architecture Design Of Fiber Shaped Lighting Dmentioning

confidence: 99%

Section: Materials and Architecture Design Of Fiber Shaped Lighting Dmentioning

confidence: 99%

Section: Materials and Architecture Design Of Fiber Shaped Lighting Dmentioning

confidence: 99%

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Recent Progress of Fiber Shaped Lighting Devices for Smart Display Applications—A Fibertronic Perspective

et al. 2019

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“…The spray-sintering technique has also recently been employed to fabricate a lightemitting device on a conventional and highly rough copy paper [70]. The utilization of more non-conventional and complex substrates further includes the fabrication of LEC devices on various wire substrates to obtain light-emitting fibers [71][72][73][74][75]. Zhang and coworkers sequentially dip-coated a ZnO cathode and an active material onto a steel wire, and thereafter wrapped an aligned carbon-nanotube sheet anode around the modified wire to produce a fiber-shaped LEC, as depicted in Fig.…”

Section: Fabrication: Cost-efficient Processing Of Functional and Novmentioning

confidence: 99%

Light-Emitting Electrochemical Cells: A Review on Recent Progress

2016

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The light-emitting electrochemical cell (LEC) is an area-emitting device, which features a complex turn-on process that ends with the formation of a p-n junction doping structure within the active material. This in-situ doping transformation is attractive in that it promises to pave the way for an unprecedented low-cost fabrication of thin and light-weight devices that present efficient light emission at low applied voltage. In this review, we present recent insights regarding the operational mechanism, breakthroughs in the development of scalable and adaptable solution-based methods for cost-efficient fabrication, and successful efforts toward the realization of LEC devices with improved efficiency and stability.

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“…The thin and networked textile structure may also make them lightweight, wearable and breathable, fitting the contours of our bodies perfectly, which is promising for a wide range of applications besides the abovementioned fields . However, it remains challenging to produce such highly desired textile displays due to the difficulty in directly constructing electroluminescent devices onto the rough textile substrate with high performance . Here such a novel textile display has been made from super‐stretchable electroluminescent fibers (SEFs) that are prepared by a continuous one‐step extruding process.…”

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confidence: 99%

Textile Display for Electronic and Brain‐Interfaced Communications

et al. 2018

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Textile displays are poised to revolutionize current electronic devices, and reshape the future of electronics and related fields such as biomedicine and soft robotics. However, they remain unavailable due to the difficulty of directly constructing electroluminescent devices onto the textile-like substrate to really display desired programmable patterns. Here, a novel textile display is developed from continuous electroluminescent fibers made by a one-step extrusion process. The resulting displaying textile is flexible, stretchable, three-dimensionally twistable, conformable to arbitrarily curved skins, and breathable, and can dynamically display a series of desired patterns, making it useful for bioinspired electronics, soft robotics, and electroluminescent skins, among other applications. It is demonstrated that these displaying textiles can also communicate with a computer and mouse brain for smart display and camouflage applications. This work may open up a new direction for the integration of wearable electroluminescent devices with the human body, providing new and promising communication platforms.

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Flexible electroluminescent fiber fabricated from coaxially wound carbon nanotube sheets

Abstract: A flexible electroluminescent fiber was developed by incorporating two coaxially wound carbon nanotube sheet electrodes with an active polymer sandwiched between them.

Cited by 76 publications

References 32 publications

Recent Progress of Fiber Shaped Lighting Devices for Smart Display Applications—A Fibertronic Perspective

Recent Progress of Fiber Shaped Lighting Devices for Smart Display Applications—A Fibertronic Perspective

Light-Emitting Electrochemical Cells: A Review on Recent Progress

Textile Display for Electronic and Brain‐Interfaced Communications

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