Ultrafast Self-Healing Nanocomposites via Infrared Laser and Their Application in Flexible Electronics
作者： Shuwen Wu , Jinhui Li , Guoping Zhang , Yimin Yao , Gang Li
关键词:
摘要: The continuous evolution toward flexible electronics with mechanical robust property and restoring structure simultaneously places high demand on a set of polymeric material substrate. Herein, we describe composite composed polyurethane based Diels–Alder chemistry (PU-DA) covalently linked functionalized graphene nanosheets (FGNS), which shows infrared (IR) laser self-healing properties at ambient conditions is therefore suitable for substrate applications. strength can be tuned by varying the amount FGNS breaking reach as 36 MPa only 0.5 wt % loading. On rupture, initial are restored more than 96% healing efficiency after 1 min irradiation time 980 nm IR laser. Especially, this highest value reported in self-healable materials DA systems until now, exhibits volume resistivity up to 5.6...
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