A β-cyclodextrin/graphene oxide hybrid gel with smart responsiveness

IF 1.7 4区化学 Q3 CHEMISTRY, MULTIDISCIPLINARY Journal of Inclusion Phenomena and Macrocyclic Chemistry Pub Date : 2021-09-22 DOI:10.1007/s10847-021-01106-1

Mingfang Ma, Zirui He, Shumin Zhou, Xuyan Liu, Min Zhao, Xinyan Wang, Huan Liu, Aiyou Hao

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Abstract

Even through gels based on the polymer modified with β-cyclodextrin have been researched widely, there are only few studies focus on gels based on β-cyclodextrin directly. In this study, we report a novel smart responsive β-cyclodextrin/graphene oxide hybrid gel. Graphene oxide can be loaded into the network of β-cyclodextrin gel successfully by co-assembly method, which can be supported by transmission electron microscope and scanning electron microscope. Hydrogen bonding is the main driving force in gel formation from fourier transform infrared spectroscopy and X-ray diffraction analysis. More interesting is that β-cyclodextrin/graphene oxide hybrid gel can respond to multiple stimuli sensitively. The change of temperature can induce the formation and deformation of gel reversibly. Besides, gel will collapse with the addition of different metal ions including Na⁺, K⁺, Zn²⁺, Ba²⁺ and Fe³⁺. Hence, this composite gel is a smart responsive material, may have great potential applications in intelligent material fields.

In this study, we report a novel smart responsive β-cyclodextrin/graphene oxide hybrid gel. Graphene oxide can be loaded into the network of β-cyclodextrin gel successfully by co-assembly method, which can be supported by transmission electron microscope and scanning electron microscope. Hydrogen bonding is the main driving force in gel formation from fourier transform infrared spectroscopy and X-ray diffraction analysis. More interesting is that β-cyclodextrin/graphene oxide hybrid gel can respond to multiple stimuli sensitively. The change of temperature can induce the formation and deformation of gel reversibly. Besides, gel will collapse with the addition of different metal ions including Na⁺, K⁺, Zn²⁺, Ba²⁺ and Fe³⁺. Hence, this composite gel is a smart responsive material, may have great potential applications in intelligent material fields.

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具有智能响应性的β-环糊精/氧化石墨烯混合凝胶

尽管以β-环糊精修饰的聚合物为基础的凝胶已经得到了广泛的研究，但直接以β-环糊精为基础的凝胶的研究却很少。在这项研究中，我们报道了一种新型的智能响应β-环糊精/氧化石墨烯混合凝胶。通过共组装方法，可以成功地将氧化石墨烯加载到β-环糊精凝胶的网络中，并通过透射电镜和扫描电镜对其进行支持。傅里叶变换红外光谱和x射线衍射分析表明，氢键是凝胶形成的主要驱动力。更有趣的是，β-环糊精/氧化石墨烯混合凝胶可以对多种刺激做出敏感的反应。温度的变化可以可逆地诱导凝胶的形成和变形。此外，加入Na+、K+、Zn2+、Ba2+、Fe3+等不同的金属离子会使凝胶破裂。因此，该复合凝胶是一种智能响应材料，在智能材料领域具有很大的应用潜力。在这项研究中，我们报告了一种新的智能响应β-环糊精/氧化石墨烯混合凝胶。通过共组装的方法可以成功地将氧化石墨烯加载到β-环糊精凝胶的网络中，并可以通过透射电镜和扫描电镜进行支持。傅里叶变换红外光谱和x射线衍射分析表明，氢键是形成凝胶的主要驱动力。更有趣的是，β-环糊精/氧化石墨烯混合凝胶可以对多种刺激做出敏感的反应。温度的变化可以可逆地诱导凝胶的形成和变形。此外，随着na +、K+、Zn2+、Ba2+、Fe3+等不同金属离子的加入，凝胶会发生崩解。因此，该复合凝胶是一种智能响应材料，在智能材料领域具有很大的应用潜力。

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来源期刊

Journal of Inclusion Phenomena and Macrocyclic Chemistry Agricultural and Biological Sciences-Food Science

CiteScore

4.10

自引率

8.70%

发文量

期刊介绍： The Journal of Inclusion Phenomena and Macrocyclic Chemistry is the premier interdisciplinary publication reporting on original research into all aspects of host-guest systems. Examples of specific areas of interest are: the preparation and characterization of new hosts and new host-guest systems, especially those involving macrocyclic ligands; crystallographic, spectroscopic, thermodynamic and theoretical studies; applications in chromatography and inclusion polymerization; enzyme modelling; molecular recognition and catalysis by inclusion compounds; intercalates in biological and non-biological systems, cyclodextrin complexes and their applications in the agriculture, flavoring, food and pharmaceutical industries; synthesis, characterization and applications of zeolites. The journal publishes primarily reports of original research and preliminary communications, provided the latter represent a significant advance in the understanding of inclusion science. Critical reviews dealing with recent advances in the field are a periodic feature of the journal.