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Size effects of alkylimidazolium cations on the interfacial properties and CO2 uptake capacity in layered organic-inorganic imidazolium-TiO2 hybrids
Liu, He; Zhang, Haitao; Shen, Peng; Zhao, Guoying; Zhang, Suojiang; Zhang, HT
2016
Source PublicationRSC ADVANCES
ISSN2046-2069
Volume6Issue:28Pages:23102-23109
AbstractLayered inorganic-organic TiO2-ILs hybrids with tunable basal spacing were fabricated through electrostatic interaction between 2D inorganic nanosheets and organic imidazolium-based ILs. Imidazolium cations with various sizes were intercalated into lamellar titanate nanosheets, forming layered structures with slabs turbostratic restacking. The effects of cation sizes on the interfacial properties of hybrids were comprehensively investigated by XRD, SEM, TEM, AFM, FT-IR, Raman and TG techniques. The results confirmed that the ratio of interlayer imidazolium cations declined with increasing carbon chain length. A CO2 absorption experiment was conducted and TiO2-ILs compounds displayed enhanced CO2 absorption capacity with the increase of alkyl chain length, which could be attributed to the synergistic interfacial effects induced by diverse interactions between ILs and inorganic nanosheets. An absorption mechanism was proposed on account of ion-exchangeable characteristic of these layered hybrids and the intercalated H2O molecules were found to play a crucial role in CO2 uptake.
KeywordCarbon-dioxide Capture Zeolitic Imidazolate Frameworks Ionic Liquids Polymer Networks Titanium-oxide 2d Nanosheets Adsorption Titanate Conversion Catalysts
SubtypeArticle
Subject AreaChemistry, Multidisciplinary ; Chemistry
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1039/c5ra27418d
URL查看原文
Indexed BySCI
Language英语
WOS KeywordCARBON-DIOXIDE CAPTURE ; ZEOLITIC IMIDAZOLATE FRAMEWORKS ; IONIC LIQUIDS ; POLYMER NETWORKS ; TITANIUM-OXIDE ; 2D NANOSHEETS ; ADSORPTION ; TITANATE ; CONVERSION ; CATALYSTS
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
Funding OrganizationNational Natural Science Foundation of China(21271175 ; National Basic Research Program of China (973 program)(2014CB239701) ; International S&T Cooperation Program of China(2014DFA61670) ; CAS(YZ201221) ; 21127011 ; 21276261)
WOS IDWOS:000372253200002
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Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/20706
Collection研究所(批量导入)
Corresponding AuthorZhang, HT
AffiliationChinese Acad Sci, Beijing Key Lab Ion Liquids Clean Proc, State Key Lab Multiphase Complex Syst, Key Lab Green Proc & Engn,Inst Proc Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Liu, He,Zhang, Haitao,Shen, Peng,et al. Size effects of alkylimidazolium cations on the interfacial properties and CO2 uptake capacity in layered organic-inorganic imidazolium-TiO2 hybrids[J]. RSC ADVANCES,2016,6(28):23102-23109.
APA Liu, He,Zhang, Haitao,Shen, Peng,Zhao, Guoying,Zhang, Suojiang,&Zhang, HT.(2016).Size effects of alkylimidazolium cations on the interfacial properties and CO2 uptake capacity in layered organic-inorganic imidazolium-TiO2 hybrids.RSC ADVANCES,6(28),23102-23109.
MLA Liu, He,et al."Size effects of alkylimidazolium cations on the interfacial properties and CO2 uptake capacity in layered organic-inorganic imidazolium-TiO2 hybrids".RSC ADVANCES 6.28(2016):23102-23109.
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