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Physicochemical properties and structure of fluid at nano-/micro-interface:Progress in simulation and experimental study

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Green Energy & Environment 2020年第3期5卷 274-285页

作者： Qingwei Gao Yumeng Zhang Shuting Xu Aatto Laaksonen Yudan Zhu Xiaoyan Ji Xiaohua Lu College of Chemical Engineering State Key Laboratory of Materials-oriented Chemical EngineeringNanjing Tech UniversityNanjing211816China Energy Engineering Division of Energy ScienceLulea University of Technology97187LuleaSweden Department of Materials and Environmental Chemistry Arrhenius LaboratoryStockholm UniversitySE-10691StockholmSweden Centre of Advanced Research in Bionanoconjugates and Biopolymers Petru Poni Institute of Macromolecular ChemistryAleea Grigore Ghica-Voda41A700487IasiRomania

In modern chemical engineering processes, the involvement of solid/fluid interface is the most important component of process intensification techniques, such as confined membrane separation and catalysis. In the review, we summarized the research progress of the latest theoretical and experimental works to elucidate the contribution of interface to the fluid properties and structures at nano-and micro-scale. We mainly focused on water, alcohol aqueous solution, and ionic liquids, because they are classical systems in interfacial science and/or widely involved in the industrialization process. surface-induced fluids were observed in all reviewed systems and played a critical role in physicochemical properties and structures of outside fluid. It can even be regarded as a new interface, when the adsorption layer has a strong interaction with the solid surface. Finally, we proposed a perspective on scientific challenges in the modern chemical engineering processes and outlined future prospects.

关键词： Thermodynamics Solid/fluid interface surface-induced Adsorbed layer Microstructure

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THE EFFECTS OF PATTERNED surfaceS ON THE PHASE SEPARATION FOR DIBLOCK COPOLYMERS

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Chinese Journal of Polymer Science 2009年第3期27卷 307-315页

作者：章林溪 Department of Physics Wenzhou University

The phase behaviors of symmetric diblock copolymer thin films confined between two hard, parallel and diversified patterned surfaces are investigated by three-dimensional dissipative particle dynamics (DPD) simulations. The induction of diversified patterned surfaces on phase separation of symmetric diblock copolymer films in snapshots, density profiles and concentration diagrams of the simulated systems are presented. The phase separations can be controlled by the patterned surfaces. In the meantime, the mean-square end-to-end distance of the confined polymer chains is also discussed. surface-induced phase separation for diblock copolymers can help us to create novel and controlled nanostructured materials.

关键词： Diblock copolymer Dissipative particle dynamics surface-induced

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