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| 1 | 聚乙烯醇水凝胶基柔性应变传感器的研究进展显示文摘近年来,对聚乙烯醇水凝胶在柔性传感器的应用进行了深入的研究并取得了突破性的进展。对聚乙烯醇水凝胶的性质进行了介绍,阐述了聚乙烯醇水凝胶应用于柔性应变传感器的优势和局限性。聚乙烯醇水凝胶通过纳米填料修饰水凝胶网络,实现多功能可穿戴应变传感的研究进展受到了广泛关注。重点综述了多种纳米填料如金属、非金属、天然材料、MXene纳米材料、蛋白质、液态金属等,对聚乙烯醇水凝胶机械性能、电导性能和力学性能的影响。最后,对于聚乙烯醇水凝胶用于可穿戴应变传感器的必要性、未来发展的要求以及面临的机遇和挑战进行了总结与展望。 | 梁亚飞 陶丹 黄云暖 范玲 靳荣华 | 2023 | 微纳电子技术2023，60，12： | 0 |
| 2 | Multifunctional WSe_(2)/Co_(3)C composite for efficient electromagnetic absorption, EMI shielding, and energy conversion显示文摘Currently,as the electromagnetic(EM)environment becomes increasingly complex,single-function EM materials can hardly resist the increasing electromagnetic interference(EMI),and there is an urgent need to develop multifunctional EM materials.In this work,multifunctional WSe_(2)/Co_(3)C was prepared by simple hydrothermal methods.Its dielectric performance and EM response were investigated.Efficient absorption,shielding performance,and energy conversion devices were customized.By tailoring the loading content,WSe_(2)/Co_(3)C can switch between EM absorption and EMI shielding.The maximum shielding effectiveness(SE)of WSe_(2)/Co_(3)C reached 36 dB,and high reflection loss(RL)of-60.28 dB and wide effective absorption bandwidth(EAB)of 6.16 GHz can be obtained at low thickness.The multiple EM attenuation mechanisms brought by the combination of two-dimensional(2D)WSe_(2) and magnetic Co_(3)C are considered to be the main reason for the enhanced EM attenuation ability.The WSe_(2)/Co_(3)C composite provides a viable candidate for developing multifunctional EM materials in 2–18 GHz. | Yuhang Zhu Tingting Liu Lin Li Maosheng Cao | 2024 | Nano Research2024，17，3： | 0 |
| 3 | 高电磁干扰屏蔽和低反射的柔性Ag/BaFe_(12)O_(19)微纤维/聚酰亚胺复合薄膜显示文摘高屏蔽效率和低反射特性的先进电磁干扰屏蔽(EMI SE)材料在降低二次电磁辐射污染方面具有巨大的潜力.本研究采用气流纺丝法制备了具有优异EMI SE的梯度导电Ag/BaFe_(12)O_(19)超细纤维/聚酰亚胺(GCABP)复合薄膜.梯度导电结构有效地减少了电磁波的反射.BaFe_(12)O_(19)微纤维的掺入进一步提高了薄膜的EMI SE.在厚度为100μm时,复合膜的EMI SE可达98.9 dB,吸收系数(A)为0.75,证实了GCABP膜是一种吸波型EMI屏蔽材料.聚酰亚胺(PI)保护Ag超细纤维和BaFe12O19超细纤维,确保GCABP薄膜在极端环境下的稳定性.此外,GCABP薄膜表现出优异的热管理性能,如其在1.4 V的低电压下表面温度高达315℃,响应时间达到5.4 s,循环加热能力稳定,整体可靠性好.鉴于其出色的综合性能,GCABP薄膜在国防工业和航空航天等领域具有巨大的应用潜力. | 邹康康 李南 潘兴海 石军峰 蒲俊宏 鄢定祥 王浩伦 | 2023 | Science China Materials2023，66，12： | 0 |
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