Laser-reduced graphene oxide for a flexible liquid sliding sensing surface
| Autor: | Xing-Chen Han, Qiang Wang, Zhao-Di Chen, Hao Zhou, Qing Cai, Dong-Dong Han |
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| Rok vydání: | 2023 |
| Předmět: | |
| Zdroj: | Optics Letters. 48:839 |
| ISSN: | 1539-4794 0146-9592 |
| DOI: | 10.1364/ol.482397 |
| Popis: | Flexible electronic skin is a flexible sensor system that imitates human skin. Recently, flexible sensors have been successfully developed. However, the droplet sliding sensing technology on a flexible electronic skin surface is still challenging. In this Letter, a flexible droplet sliding sensing surface is proposed and fabricated by laser-reduced graphene oxide (LRGO). The LRGO shows porous structures and low surface energy, which are beneficial for infusing lubricants and fabricating stable slippery surfaces. The slippery surface guarantees free sliding of droplets. The droplet sliding sensing mechanism is a combination of triboelectricity and electrostatic induction. After a NaCl droplet slides from lubricant-infused LRGO, a potential difference (∼0.2 mV) can be measured between two Ag electrodes. This study reveals considerable potential applications in intelligent robots and the medical field. |
| Databáze: | OpenAIRE |
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