Journal ArticleDOI
Stretchable, Transparent Graphene Interconnects for Arrays of Microscale Inorganic Light Emitting Diodes on Rubber Substrates
Rak-Hwan Kim,Myung-Ho Bae,Dae Gon Kim,Huanyu Cheng,Bong Hoon Kim,Bong Hoon Kim,Dae-Hyeong Kim,Ming Li,Ming Li,Jian Wu,Frank Du,Hoon Kim,Stanley Kim,David Estrada,Suck Won Hong,Yonggang Huang,Eric Pop,John A. Rogers +17 more
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TLDR
The fabrication and design principles for using transparent graphene interconnects in stretchable arrays of microscale inorganic light emitting diodes (LEDs) on rubber substrates are described and several appealing properties of graphene are demonstrated, including its ability to spontaneously conform to significant surface topography.Abstract:
This paper describes the fabrication and design principles for using transparent graphene interconnects in stretchable arrays of microscale inorganic light emitting diodes (LEDs) on rubber substrates. We demonstrate several appealing properties of graphene for this purpose, including its ability to spontaneously conform to significant surface topography, in a manner that yields effective contacts even to deep, recessed device regions. Mechanics modeling reveals the fundamental aspects of this process, as well as the use of the same layers of graphene for interconnects designed to accommodate strains of 100% or more, in a completely reversible fashion. These attributes are compatible with conventional thin film processing and can yield high-performance devices in transparent layouts. Graphene interconnects possess attractive features for both existing and emerging applications of LEDs in information display, biomedical systems, and other environments.read more
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Fiber‐Based Wearable Electronics: A Review of Materials, Fabrication, Devices, and Applications
TL;DR: This article attempts to critically review the current state-of-arts with respect to materials, fabrication techniques, and structural design of devices as well as applications of the fiber-based wearable electronic products.
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Electrochemistry of graphene and related materials.
Journal ArticleDOI
Elastomeric polymer light-emitting devices and displays
TL;DR: In this article, a stretchable polymer LED is fabricated that is capable of emitting light when subjected to strains as large as 120% and a prototype 5 × 5 pixel monochrome display based on an array of these LEDs is demonstrated.
Journal ArticleDOI
Graphene-Based Electrodes
TL;DR: In this Review, the importance of graphene-based electrodes, their fabrication techniques, and application areas are discussed.
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Graphene: An Emerging Electronic Material
Nathan O. Weiss,Hailong Zhou,Lei Liao,Yuan Liu,Shan Jiang,Yu Huang,Yu Huang,Xiangfeng Duan,Xiangfeng Duan +8 more
TL;DR: The versatility of graphene-based devices goes beyond conventional transistor circuits and includes flexible and transparent electronics, optoelectronics, sensors, electromechanical systems, and energy technologies.
References
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Journal ArticleDOI
Materials and noncoplanar mesh designs for integrated circuits with linear elastic responses to extreme mechanical deformations
Dae-Hyeong Kim,Jizhou Song,Won Mook Choi,Hoon-Sik Kim,Rak-Hwan Kim,Zhuangjian Liu,Yonggang Huang,Keh-Chih Hwang,Yong-Wei Zhang,Yong-Wei Zhang,John A. Rogers +10 more
TL;DR: Material and mechanical design strategies for classes of electronic circuits that offer extremely high stretchability, enabling them to accommodate even demanding configurations such as corkscrew twists with tight pitch and linear stretching to “rubber-band” levels of strain are introduced.
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Thickness of graphene and single-wall carbon nanotubes
TL;DR: In this article, an analytic approach was proposed to determine the tension and bending rigidities of CNTs directly from the interatomic potential, which is useful in the study of multi-wall carbon nanotubes.
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Transferable GaN Layers Grown on ZnO-Coated Graphene Layers for Optoelectronic Devices
TL;DR: Graphene can replace sapphire crystals as the substrate for the growth of gallium nitride layers and the layered structure of a graphene substrate made it possible to easily transfer GaN thin films and GaN-based LEDs onto foreign substrates such as glass, metal, or plastic.
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Waterproof AlInGaP optoelectronics on stretchable substrates with applications in biomedicine and robotics
Rak-Hwan Kim,Dae-Hyeong Kim,Jianliang Xiao,Jianliang Xiao,Bong Hoon Kim,Bong Hoon Kim,Sang Il Park,Bruce Panilaitis,Roozbeh Ghaffari,Jimin Yao,Ming Li,Ming Li,Zhuangjian Liu,Viktor Malyarchuk,Dae Gon Kim,An Phong Le,Ralph G. Nuzzo,David L. Kaplan,Fiorenzo G. Omenetto,Yonggang Huang,Zhan Kang,John A. Rogers +21 more
TL;DR: In this paper, the authors describe systems that consist of arrays of interconnected, ultrathin inorganic light-emitting diodes and photodetectors configured in mechanically optimized layouts on unusual substrates.
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Mechanisms of reversible stretchability of thin metal films on elastomeric substrates
TL;DR: In this paper, the authors identified the mechanism of elastic stretchability in the films with micro-cracks and showed that the metal film experiences only small strains and deforms elastically without suffering fatigue.