A graphene-based electro-thermochromic textile display,Journal of Materials Chemistry C

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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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