A facile preparation method for new two-component supramolecular hydrogels and their performances in adsorption, catalysis, and stimuli-response

Zhu Junlin; Wang Ran; Geng Rui; Zhang Xuan; Wang Fan; Jiao Tifeng; Yang Jingyue; Bai Zhenhua; Peng Qiuming

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A facile preparation method for new two-component supramolecular hydrogels and their performances in adsorption, catalysis, and stimuli-response

机译：新型双组分超分子水凝胶的容易制备方法及其在吸附，催化和刺激反应中的性能

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摘要

In this study, we prepared a novel multifunctional two-component supramolecular hydrogel (T-G hydrogel) via two organic molecules in ethanol/water mixed solvents. In addition, we prepared gold nanoparticle/T-G (AuNPs/T-G) composite hydrogels using T-G hydrogel as a template for stabilizing AuNPs by adding HAuCl4 and NaBH4 during the heating and cooling process of T-G hydrogels. The morphology and microstructure of the as-prepared hydrogels were characterized using SEM, TEM, XRD, and FT-IR. The hydrogels prepared by solutions that contained different ethanol/water volume ratios exhibited different microstructures, such as sheets, strips, and rods. The obtained T-G hydrogels exhibited a sensitive response to pH changes in the process of sol-gel transformation and showed good adsorption properties for model organic dyes. In the presence of NaBH4, the obtained AuNP/T-G composite hydrogels exhibited the excellent catalytic performance for 4-nitrophenol (4-NP) degradation. Thus, the current research provides new clues in developing new multifunctional two-component supramolecular gel materials and exhibits potential applications for wastewater treatment.

机译：在这项研究中，我们通过乙醇/水混合溶剂中的两个有机分子制备了一种新型多功能双组分超分子水凝胶（T-G水凝胶）。此外，我们使用T-G水凝胶制备金纳米颗粒/ T-G（AUNPS / T-G）复合水凝胶作为通过在T-G水凝胶的加热和冷却过程中加入HauCl4和NaBH 4来稳定AUNP的模板。使用SEM，TEM，XRD和FT-IR表征了制备的水凝胶的形态和微观结构。通过含有不同乙醇/水体积比的溶液制备的水凝胶表现出不同的微观结构，例如片材，条带和杆。所获得的T-G水凝胶表现出对溶胶 - 凝胶转化方法的pH变化的敏感反应，并为模型有机染料显示出良好的吸附性能。在NaBH 4的存在下，所获得的AUNP / T-G复合水凝胶表现出4-硝基苯酚（4-NP）降解的优异催化性能。因此，目前的研究提供了开发新型多功能双组分超分子凝胶材料的新线索，并表现出废水处理的潜在应用。

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来源
《RSC Advances》 |2019年第39期|共8页
作者
Zhu Junlin; Wang Ran; Geng Rui; Zhang Xuan; Wang Fan; Jiao Tifeng; Yang Jingyue; Bai Zhenhua; Peng Qiuming;
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作者单位

Yanshan Univ State Key Lab Metastable Mat Sci &

Technol Qinhuangdao 066004 Hebei Peoples R China;

Yanshan Univ Sch Environm &

Chem Engn Hebei Key Lab Appl Chem Qinhuangdao 066004 Hebei Peoples R China;

Yanshan Univ Sch Environm &

Chem Engn Hebei Key Lab Appl Chem Qinhuangdao 066004 Hebei Peoples R China;

Yanshan Univ Sch Environm &

Chem Engn Hebei Key Lab Appl Chem Qinhuangdao 066004 Hebei Peoples R China;

Yanshan Univ Sch Environm &

Chem Engn Hebei Key Lab Appl Chem Qinhuangdao 066004 Hebei Peoples R China;

Yanshan Univ State Key Lab Metastable Mat Sci &

Technol Qinhuangdao 066004 Hebei Peoples R China;

Yanshan Univ Sch Environm &

Chem Engn Hebei Key Lab Appl Chem Qinhuangdao 066004 Hebei Peoples R China;

Yanshan Univ Natl Engn Res Ctr Equipment &

Technol Cold Strip Qinhuangdao 066004 Hebei Peoples R China;

Yanshan Univ State Key Lab Metastable Mat Sci &

Technol Qinhuangdao 066004 Hebei Peoples R China;

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中图分类化学;
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1. A facile preparation method for new two-component supramolecular hydrogels and their performances in adsorption, catalysis, and stimuli-response [J] . Zhu Junlin, Wang Ran, Geng Rui, RSC Advances . 2019,第39期

机译：新型双组分超分子水凝胶的容易制备方法及其在吸附，催化和刺激反应中的性能
2. A facile preparation method for new two-component supramolecular hydrogels and their performances in adsorption, catalysis, and stimuli-response [J] . Junlin Zhu, Ran Wang, Rui Geng, RSC Advances . 2019,第39期

机译：新型两组分超分子水凝胶的简便制备方法及其在吸附，催化和刺激反应中的性能
3. A facile preparation method for new two-component supramolecular hydrogels and their performances in adsorption, catalysis, and stimuli-response [J] . Junlin Zhu, Ran Wang, Rui Geng, RSC Advances . 2019,第39期

机译：新型两组分超分子水凝胶的简便制备方法及其在吸附，催化和刺激反应中的性能
4. Facile Preparation of Cu/TiO_2Nanocomposite via Photocatalysis and Their Antibacterial Performance [C] . Boxi She, Junbiao Long, Yuanming Deng Annual Conference of the Chinese Society of Micro-Nano Technology . 2015

机译：Cu / TiO_2NANOC复合材料通过光催化和它们的抗菌性能制备
5. Part I. Asymmetric synthesis of bicyclic analogues of risedronate as molecular probes of the mechanism of action of bisphosphonate antiosteoporotic drugs and potentially more efficacious antiosteoporotic agents. Part II. Facile preparation and functionalization of chiral stabilized ylides from common chiral auxiliaries using the Bestmann ylide and their use in Wittig reactions. Part III. Asymmetric organocatalysis: 1. An investigation of alpha-hydroxylation of aldehydes; 2. Synthesis of a novel camphor-based alpha-aminotetrazole organocatalyst. [D] . Song, Xinyi. 2007

机译：第一部分：利塞膦酸盐双环类似物的不对称合成，作为双膦酸盐类抗骨质疏松药和潜在更有效的抗骨质疏松药作用机理的分子探针。第二部分使用Bestmann内酯从常见手性助剂轻松制备和官能化手性稳定化的叶基及其在Wittig反应中的用途。第三部分不对称有机催化：1.醛的α-羟基化研究； 2.合成新的基于樟脑的α-氨基四唑有机催化剂。
6. Facile preparation and adsorption performance of graphene oxide-manganese oxide composite for uranium [O] . Aili Yang, Yukuan Zhu, C. P. Huang -1

机译：氧化石墨烯-氧化锰复合材料对铀的制备及吸附性能
7. TiO2 incorporated in magnetic mesoporous SBA-15 by a facile inner-pore hydrolysis process toward enhanced adsorption photocatalysis performances for As(III) [O] . Yu Lian, Yang Xiaofang, Wang Dongsheng 2015

机译：通过便捷的内孔水解工艺将TiO2掺入磁性介孔SBA-15中，以增强对As（III）的吸附光催化性能

A facile preparation method for new two-component supramolecular hydrogels and their performances in adsorption, catalysis, and stimuli-response

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