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A graphene-based electro-thermochromic textile display
Journal of Materials Chemistry C ( IF 5.7 ) Pub Date : 2020-10-02 , DOI: 10.1039/d0tc03144e
Xiaoqian Ji 1, 2, 3, 4, 5 , Wenwen Liu 1, 2, 3, 4, 5 , Yunjie Yin 1, 2, 3, 4, 5 , Chaoxia Wang 1, 2, 3, 4, 5 , Felice Torrisi 6, 7, 8, 9, 10
Affiliation  

Electronic textiles (e textiles) are rapidly emerging as key enablers for wearable electronics. Graphene and 2D materials have played a major role in enabling truly wearable e-textiles. Here we demonstrate a textile-based display using the Joule's heating of a screen-printed, few-layer graphene ink to drive the colour switching of thermochromic polyurethane on a cotton fabric. The average temperature of the few-layer graphene ink on the fabric was voltage-controlled reaching about 43 °C in 45 s at a bias of 12 V and a recovery of <20 s with negligible degradation after several heating/cooling cycles. This is used to demonstrate several electro-thermochromic textile displays, thus representing a breakthrough in e-textiles technology.

中文翻译:

石墨烯基电热致变色纺织品展示

电子纺织品(e纺织品)正在迅速崛起,成为可穿戴电子产品的关键推动力。石墨烯和2D材料在实现真正的可穿戴电子纺织品方面发挥了重要作用。在这里,我们演示了一种基于纺织品的显示器,该显示器使用的是焦耳加热的丝网印刷的几层石墨烯墨水,以驱动棉织物上的热致变色聚氨酯的颜色转换。织物上的几层石墨烯油墨的平均温度在45 s内以12 V的偏压进行电压控制,达到约43°C,在几个加热/冷却循环后,恢复时间<20 s,降解可忽略不计。这用于演示几种电热致变色纺织品展示,从而代表了电子纺织技术的突破。
更新日期:2020-10-19
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