可编程驱动的可切换光热转换效率

IF 12.3 1区 材料科学 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC
Yongcheng He, Haojun Liu, Jiajia Luo, Nuo Li, Lihua Li, Puxian Xiong, Jiulin Gan, Zhongmin Yang
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引用次数: 0

摘要

可编程软物质为软机器人带来了灵活性,使其能够显示各种运动,这在软机器人中蓬勃发展。然而,使用现有方法对软机器人中使用的光响应材料进行重新编程是耗时的。在这项研究中,我们提出了一种通过可切换光热转换效率(PCE)快速重新编程的策略。本工作中使用的掺杂有半导体铋化合物(Bi-LCE)的液晶弹性体在5 其在低PCE状态下表现出小的变形。此外,该材料能够被重新编程多达10次,只有20次 一个PCE可逆开关所需的最小值。基于这种可切换的PCE效应,同一Bi-LCE薄膜通过不同的可编程图案显示出不同的形状变化。此外,由PCE可重编程材料制成的可重编程中空管可以调节直径、横截面配置和表面形态,这对微流体领域至关重要。可重新编程的材料为机器人的可重复使用性和可持续性提供了无限的可能性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Switchable photothermal conversion efficiency for reprogrammable actuation

Switchable photothermal conversion efficiency for reprogrammable actuation

Switchable photothermal conversion efficiency for reprogrammable actuation
Reprogrammable soft matter brings flexibility to soft robots so that they can display various motions, which is flourishing in soft robotics. However, the reprogramming of photoresponsive materials used in soft robots is time-consuming using existing methods. In this study, we promote a strategy for rapid reprogramming via switchable photothermal conversion efficiency (PCE). The liquid crystalline elastomers doped with semiconductor bismuth compounds (Bi-LCE) used in this work exhibited large photothermal actuation with over 35% shrinkage in 5 s at high PCE state, which demonstrated little deformation at low PCE state. Furthermore, the material was capable of being reprogrammed up to 10 times, with only 20 min required for one PCE reversible switch. Based on this switchable PCE effect, the same Bi-LCE film displayed various shape changes through different programmable pattern. Additionally, a reprogrammable hollow tube made of PCE reprogrammable materials could tune the diameter, cross-section configuration, and surface morphology, which was crucial for microfluidics field. Reprogrammable materials provide endless possibilities for reusability and sustainability in robotics.
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来源期刊
CiteScore
17.10
自引率
4.80%
发文量
91
审稿时长
6 weeks
期刊介绍: npj Flexible Electronics is an online-only and open access journal, which publishes high-quality papers related to flexible electronic systems, including plastic electronics and emerging materials, new device design and fabrication technologies, and applications.
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