Structural evolution of imidazolium-based poly (ionic liquid) assemblies during solvent evaporation
Ge, Q; Lou, D; Zeng, J; Pan, C; Wang, S; Zhang, W; Zhang, L; Wang, X
2017
发表期刊EXPRESS POLYMER LETTERS
ISSN1788-618X
卷号11期号:2页码:84-95
文章类型期刊论文
摘要Poly (ionic liquid)s (PILs) with a desirable tunability in their structures and properties have promising potentials to produce a hierarchically ordered functional materials. The structural evolution of imidazolium-based PILs with different counteranions during in-situ solvent evaporation has been investigated. Small angle X-ray scattering (SAXS) and X-ray diffraction studies indicate that upon solvent evaporation, poly [C(16)VIm(+)][Br-] displays a weakly ordered lamellar morphology and finally a hexagonal perforated lamellar structure. Over a wide range of dimethyl formamide (DMF) content, however, the poly [C(16)VIm(+)][BF4-]/DMF mixture shows a lamellar structure with a tiny minority of bicontinuous cubic phase that disappears instead in the corresponding dried samples caused by the decrease in space-filling requirement for alkyl chains arrangement. For poly [C(16)VIm(+)][PF6-], there is almost no change in inner structures with solvent evaporation except a more ordered lamellar morphology observed in the dried sample. Notably, an interdigitated packing of alkyl tails dominates the lamellar sheets for all dried PIL samples. These results indicate that the design and fabrication of PIL assemblies with ordered structures can be achieved by simply changing counteranion and solvent content, which offers a feasible approach for engineering PIL-based nano-scale functional materials.
关键词Poly(Ionic Liquid)s Copolymer Crystal Films Lamellar Phase Nanostructures Nanoparticles Architecture Transition
DOI10.3144/expresspolymlett.2017.10
关键词[WOS]POLY(IONIC LIQUID)S ; COPOLYMER ; CRYSTAL ; FILMS ; LAMELLAR ; PHASE ; NANOSTRUCTURES ; NANOPARTICLES ; ARCHITECTURE ; TRANSITION
收录类别SCI
语种英语
WOS记录号WOS:000390674200002
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/28834
专题中科院上海应用物理研究所2011-2018年
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Ge, Q,Lou, D,Zeng, J,et al. Structural evolution of imidazolium-based poly (ionic liquid) assemblies during solvent evaporation[J]. EXPRESS POLYMER LETTERS,2017,11(2):84-95.
APA Ge, Q.,Lou, D.,Zeng, J.,Pan, C.,Wang, S.,...&Wang, X.(2017).Structural evolution of imidazolium-based poly (ionic liquid) assemblies during solvent evaporation.EXPRESS POLYMER LETTERS,11(2),84-95.
MLA Ge, Q,et al."Structural evolution of imidazolium-based poly (ionic liquid) assemblies during solvent evaporation".EXPRESS POLYMER LETTERS 11.2(2017):84-95.
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