石墨烯
材料科学
纳米技术
氧化物
可穿戴计算机
拉伤
可穿戴技术
耐久性
数码产品
灵敏度(控制系统)
光电子学
计算机科学
复合材料
电气工程
电子工程
嵌入式系统
冶金
工程类
内科学
医学
作者
Bo Yin,Yangyang Wen,Hong Tao,Zhongshuai Xie,Guoliang Yuan,Qingmin Ji,Hongbing Jia
标识
DOI:10.1021/acsami.7b09652
摘要
The recent booming development of wearable electronics urgently calls for high-performance flexible strain sensors. To date, it is still a challenge to manufacture flexible strain sensors with superb sensitivity and a large workable strain range simultaneously. Herein, a facile, quick, cost-effective, and scalable strategy is adopted to fabricate novel strain sensors based on reduced graphene oxide woven fabrics (GWF). By pyrolyzing commercial cotton bandages coated with graphene oxide (GO) sheets in an ethanol flame, the reduction of GO and the pyrolysis of the cotton bandage template can be synchronously completed in tens of seconds. Due to the unique hierarchical structure of the GWF, the strain sensor based on GWF exhibits large stretchability (57% strain) with high sensitivity, inconspicuous drift, and durability. The GWF strain sensor is successfully used to monitor full-range (both subtle and vigorous) human activities or physical vibrational signals of the local environment. The present work offers an effective strategy to rapidly prepare low-cost flexible strain sensors with potential applications in the fields of wearable electronics, artificial intelligence devices, and so forth.
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