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[IEEE 2019 IEEE Photonics Conference (IPC) - San Antonio, TX, USA (2019.9.29-2019.10.3)] 2019 IEEE Photonics Conference (IPC) - Underwater Wireless Optical Communications at 100 Mb/s using Integrated Dual-Color Micro-LEDs
摘要： Integrated blue-violet and blue-green micro-LED arrays, fabricated via a transfer printing method, were employed to demonstrate wavelength division multiplexing underwater data transmission at 100 Mb/s over up to 9 attenuation lengths in a 1.5 m long water tank.
关键词： UWOC,VLC,micro-LED,WDM,transfer printing,turbid
更新于2025-09-11 14:15:04
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3D stretchable and transparent conductors with controllable strain-distribution based on template-assisted transfer printing
摘要： Although stretchable transparent conductors, stemmed from the strategies of both conductive composite and structural design of non-stretchable conductors, have been extensively studied, these conductors either suffer from a low stretchability or require a complex fabrication process, which drastically limits their practical applications. Here, we propose a novel strategy combining the design of substrates and a simple template-assisted transfer printing process to fabricate 3D transparent conductors. The strategy not only eliminates the complex and costly fabrication processes, but it also endows conductors with high stretchability and long-term stability thanks to the controllable strain-distribution as well as the seamless connection between the conductor layer and the substrate. These newly-designed 3D conductors achieve a low sheet resistance of 1.0 Ω/sq with a high transmittance of above 85% and remain stable without obvious resistance change during 1000 stretching-relaxation cycles until 60% strain, which are superior to most reported conductors. A large-area stretchable heater based on the 3D conductor realizes the temperature fluctuation below 10% even under a large strain, thus showing huge application prospects in the field of wearable healthcare electronics. The simple solution-processed fabrication method and high performance such as stretchability and low resistance change over large strain range promote the practical applications of these newly-designed 3D conductors.
关键词： 3D substrates,template-assisted transfer printing,solution-processed,wearable electronics,stretchable transparent conductors
更新于2025-09-04 15:30:14