近日,实验室綦松博士后制备了磁流变弹性体(MRE)的薄膜材料,利用该MRE薄膜灵敏的磁致形变特性,将其与纳米发电机相结合,设计制作了具有自供能特点的磁场传感器,能够实现在无源条件下对匀强磁场的监测。该成果最近发表在SCI 1区期刊Nanosacle上(Qi, Song, et al. "Magnetorheological elastomers enabled high sensitive self-powered tribo-sensor for magnetic field detecting." Nanoscale (2018), DOI: 10.1039/C7NR09129J.),其中审稿人给予了非常高的评价:“The manuscript is very nicely and clearly written, sufficiently illustrated and represents a solid study of designed sensor performance. The conclusions are confirmed by experimental findings and in my opinion the manuscript will find a significant interest among the broad field of Nanoscale readers working in the area of smart magnetorheological materials, sensors and wireless electronics.”
图1. 基于MRE薄膜的磁致形变设计的自供能磁场传感器及其电学响应特性
此前,实验室王丽蕊博士在SCI 2区Top期刊Nanotechnology上发表了题为“Paper: Preparation and high-performance microwave absorption of self-assemblies composed of hierarchical dendrite-Like Co superstructures”的论文。由于该论文具有较大的创新性与重要的科研意义,被推荐为该期刊封面论文。该文通过原位还原法制备了树枝状钴吸波剂,具有制备方法简便、周期短、能耗低 的优点,颗粒由纳米片自组装而成的多层3D结构,这种典型的立体分型结构有利于电磁波的渗透、散射,通过调节吸波厚度,制备的树枝状钴吸波剂在2-18GHz都有着优良的吸波特性,尤其在S频段,这将有利于我们生产生活中电子设备的电磁屏蔽。
图2. Nanotechnology期刊2017.48.28期封面