化工新型材料

化工新型材料 ›› 2018, Vol. 46 ›› Issue (3) : 164-167.

科学研究

一锅法合成纳米复合材料MB@ZIF-67及其表征研究

韩亭亭, 毕博, 郭献敏, 刘莹莹

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Synthesis and characterization of MB@ZIF-67 nanocomposite by one-pot process

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Received		Published
2016-11-19		2018-03-20
Issue Date	Revised Date
2018-04-09	2016-11-19

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摘要

采用一锅法将染料亚甲基蓝(MB)成功的组装入类沸石咪唑酯骨架结构材料Co(mIm)₂(ZIF-67)的孔道中,合成了纳米复合材料MB@ZIF-67,并对其进行了表征。同时研究了ZIF-67和MB@ZIF-67对染料甲基橙(MO)的吸附,结果表明:两者对MO的最大吸附量分别为12.8和15.5mg/g;最大去除率分别为63.7%和77.5%。吸附过程是ZIF-67骨架中的钴离子与MO分子中—SO^-₃之间的静电引力引起的。同时二者的吸附量相差2.7mg/g,说明吸附过程中MB@ZIF-67与MO之间存在较大的范德华力。

Abstract

MB@ZIF-67 nanocomposite was synthesized by the encapsulation of dye methylene blue (MB) into zeolite imidazolate framework-67 cage using one-pot process and characterized.The adsorption of ZIF-67 and MB@ZIF-67 on methyl orange (MO) were detected.The results showed that the maximum adsorption capacity and removal of MO were 12.8mg/g,15.5mg/g and 63.7%,77.5% respectively.Adsorption process was attributed to electrostatic attraction between cobalt ions from ZIF-67 frameworks and —SO^-₃ from MO molecules.The difference of 2.7mg/g illustrated van der Waals force existed in the adsorption process.

关键词

类沸石咪唑酯骨架结构材料 / ZIF-67 / 亚甲基蓝 / 甲基橙

Key words

zeolite imidazolate framework / ZIF-67 / methylene blue / methyl orange

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韩亭亭, 毕博, 郭献敏, 刘莹莹. 一锅法合成纳米复合材料MB@ZIF-67及其表征研究[J]. 化工新型材料, 2018, 46(3): 164-167 DOI:

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