DICP OpenIR
In situ Synthesis of ZIF-8 Membranes with Gas Separation Performance in a Deep Eutectic Solvent
Li Xiao-Lei1,2; Tao Shuo1,2; Li Ke-Da1; Wang Ya-Song1,2; Wang Ping1,2; Tian Zhi-Jian1,3
KeywordMetal-organic Framework Deep Eutectic Solvent Zif-8 Membrane Gas Separation Molecular Sieving
Source PublicationACTA PHYSICO-CHIMICA SINICA
2016-06-15
ISSN1000-6818
DOI10.3866/PKU.WHXB2016032803
Volume32Issue:6Pages:1495-1500
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Physical
WOS Research AreaChemistry
WOS KeywordMOLECULAR-SIEVE MEMBRANE ; ZEOLITIC IMIDAZOLATE FRAMEWORK-8 ; METAL-ORGANIC FRAMEWORKS ; IONOTHERMAL SYNTHESIS ; FORMATION MECHANISM ; IONIC LIQUIDS ; CRYSTALLIZATION ; TEMPLATE ; CAPTURE
AbstractZIF-8 membranes were prepared on alpha-alumina substrates in a urea/choline chloride (ChCI) based deep eutectic solvent using an in situ method. The synthesized ZIF-8 membranes were characterized using X-ray diffraction (XRD) and scanning electron microscopy (SEM). The effects of the concentration of the reaction solution and the cooling rate on ZIF-8 membrane synthesis were investigated. The results indicate that increasing the concentration of the reaction solution and reducing the cooling rate are beneficial for synthesizing continuous ZIF-8 membranes. A continuous and compact ZIF-8 membrane with a thickness of about 6 mu m was obtained on the substrate by optimizing the synthetic conditions. The single gas permeation and binary mixture gas separation performances of the ZIF-8 membrane prepared under the optimized synthetic conditions were determined using the Wicke-Kallenbach technique. For equimolar gas mixtures at room temperature (293 K), the separation factors for H-2/CO2, H-2/O-2, H-2/N-2, and H-2/CH4 were 7.4, 5.2, 9.1, and 13.8, respectively. All the separation factors exceed the corresponding Knudsen diffusion coefficients, indicating that the ZIF-8 membrane displays molecular sieving performance.
Language英语
WOS IDWOS:000378824300021
PublisherPEKING UNIV PRESS
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/170481
Collection中国科学院大连化学物理研究所
Corresponding AuthorTian Zhi-Jian
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, Natl Lab Clean Energy, Dalian 116023, Liaoning Provin, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Li Xiao-Lei,Tao Shuo,Li Ke-Da,et al. In situ Synthesis of ZIF-8 Membranes with Gas Separation Performance in a Deep Eutectic Solvent[J]. ACTA PHYSICO-CHIMICA SINICA,2016,32(6):1495-1500.
APA Li Xiao-Lei,Tao Shuo,Li Ke-Da,Wang Ya-Song,Wang Ping,&Tian Zhi-Jian.(2016).In situ Synthesis of ZIF-8 Membranes with Gas Separation Performance in a Deep Eutectic Solvent.ACTA PHYSICO-CHIMICA SINICA,32(6),1495-1500.
MLA Li Xiao-Lei,et al."In situ Synthesis of ZIF-8 Membranes with Gas Separation Performance in a Deep Eutectic Solvent".ACTA PHYSICO-CHIMICA SINICA 32.6(2016):1495-1500.
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