生物灵感蜘蛛丝纤维mof基两性离子水凝胶用于低湿度大气集水

IF 4.4 3区 材料科学 Q2 CHEMISTRY, MULTIDISCIPLINARY
Hengyu Pan, Lingmei Zhu, Huijie Wei, Chang Gao, Maolin Zhou, Tiance Zhang, Qiang Luo, Boyang Tian, Jianhua Wang, Yongping Hou, Yongmei Zheng
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引用次数: 0

摘要

通过引入两性离子水凝胶聚[2-(甲基丙烯氧基)乙基]二甲基-(3-磺基丙基)氢氧化铵(PDMAPS)和CAU-10-H作为吸湿盐氯化锂(LiCl)的载体,制备了一种生物启发蛛丝纤维(PCLC),并添加炭黑(CB)纳米粒子使所制备的纤维具有光热效应。在≈40%的相对湿度(RH)下,PCLC纤维吸附2h后,吸湿量达到≈1.49 ~ 1.99 g g−1。单个PCLC蜘蛛结的温度可以上升到46.4℃,持续约3600 s,一批PCLC蜘蛛结纤维的温度可以上升到112.1℃,持续约3600 s(在≈1个太阳光照下),具有良好的光热效应。连续5天收集水,每天收集量≈1.87 g g−1。连续10次吸附-解吸循环后,PCLC纤维表现出良好的水蒸气吸附可逆性,吸湿量稳定在≈1.9 g g−1,水蒸气解吸量达到≈1.73 g g−1(在≈1个太阳光照条件下,水蒸气解吸效率为≈92.1%)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Bioinspired Spider Silk Fiber of MOF-Based Zwitterionic Hydrogel for Low-Humidity Atmospheric Water Harvesting

Bioinspired Spider Silk Fiber of MOF-Based Zwitterionic Hydrogel for Low-Humidity Atmospheric Water Harvesting

A bioinspired spider silk fiber (i.e., PCLC) is presented by introducing the zwitterionic hydrogel poly-[2-(methacryloyloxy)ethyl] dimethyl-(3-sulfopropyl)ammonium hydroxide (PDMAPS) and CAU-10-H used as carriers of hygroscopic salt Lithium chloride (LiCl), and the addition of carbon black (CB) nanoparticles makes the prepared fibers have photothermal effect. PCLC fiber achieves the moisture absorption capacity of ≈1.49 – 1.99 g g−1 after 2 h adsorption at ≈40% relative humidity (RH). The temperature of a single PCLC knot can rise to 46.4 °C for ≈3600 s, and the temperature of a batch of PCLC spider knot fibers can rise to 112.1 °C for ≈3600 s (under ≈1 sun illumination), which has excellent photothermal effect. Water collection is conducted for five consecutive days with a daily collected amount of ≈1.87 g g−1. The PCLC fiber shows good water vapor adsorption reversibility after 10 consecutive adsorption-desorption cycles, the moisture absorption can be stabilized at ≈1.9 g g−1, and the water vapor desorption capacity reaches ≈1.73 g g−1 (under ≈1 sun illumination, exhibiting water vapor desorption efficiency of ≈92.1%).

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来源期刊
Advanced Materials Interfaces
Advanced Materials Interfaces CHEMISTRY, MULTIDISCIPLINARY-MATERIALS SCIENCE, MULTIDISCIPLINARY
CiteScore
8.40
自引率
5.60%
发文量
1174
审稿时长
1.3 months
期刊介绍: Advanced Materials Interfaces publishes top-level research on interface technologies and effects. Considering any interface formed between solids, liquids, and gases, the journal ensures an interdisciplinary blend of physics, chemistry, materials science, and life sciences. Advanced Materials Interfaces was launched in 2014 and received an Impact Factor of 4.834 in 2018. The scope of Advanced Materials Interfaces is dedicated to interfaces and surfaces that play an essential role in virtually all materials and devices. Physics, chemistry, materials science and life sciences blend to encourage new, cross-pollinating ideas, which will drive forward our understanding of the processes at the interface. Advanced Materials Interfaces covers all topics in interface-related research: Oil / water separation, Applications of nanostructured materials, 2D materials and heterostructures, Surfaces and interfaces in organic electronic devices, Catalysis and membranes, Self-assembly and nanopatterned surfaces, Composite and coating materials, Biointerfaces for technical and medical applications. Advanced Materials Interfaces provides a forum for topics on surface and interface science with a wide choice of formats: Reviews, Full Papers, and Communications, as well as Progress Reports and Research News.
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