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Multi-Responsive COF-Enhanced Smart Actuator

delete2025-01-28
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PRE
AI
C
Cheng Gong
C
Chao Sui
W
Weizhe Hao
Z
Zifu Zang
Y
Yushun Zhao
Y
Yichen Zhou
C
Chenxi Zhao
W
Wen Lei
J
Junjiao Li
Y
Yuna Sang
何
何晓东 (Xiaodong He)
王超 封面图
王超 (Chao Wang)
DOI:10.1002/adfm.202420729delete
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摘要

摘要

En 中文
智能复合材料因其新颖的刺激-响应特性正吸引越来越多的关注。其中,基于纤维素纳米原纤(CNF)的智能复合材料因其优异性能而得到广泛应用。为提高CNF基智能复合致动器的响应速率和稳定性,通过分子设计合成了一种新型共价有机骨架(COF)纳米粒子,以增强CNF基多重响应复合材料。具有高比表面积的COF-TASA表现出目前COF材料中最高(79.9%)的光热转换效率。通过复合COF-TASA、CNF和聚偏氟乙烯(PVDF),制备了一种多重刺激响应致动器。该智能膜在暴露于近红外(NIR)光和湿度时表现出形状可逆变化能力。这是由于COC和PVDF层的非对称变形所致。最后,通过实验和分子动力学(MD)模拟成功阐明,COF-TASA通过在COC中形成有序通道,显著提高了比表面积和水分子传输速率,从而提升了智能响应速率。这种COF增强型智能致动器有望为智能控制、智能检测和环境能量收集提供重要解决方案。
Keyword:
CNF-based smart composites
covalent organic framework
multi-responsive actuator
response mechanism

期刊

Advanced Functional Materials 封面图
Advanced Functional Materials
IF:
19
论文数:
3.5W
被引数:
32.1W

机构

S
St Petersburg State Inst Technol
学者数:
694
论文数: 199
被引数: 2
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