Limei Wu

Shenyang Jianzhu University

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Guocheng Lv

China University of Geosciences (Beijing)

Libing Liao

China University of Geosciences (Beijing)

Zhaohui Li

University of Wisconsin–Parkside

Lili Gao

Xi'an University of Architecture and Technology

Ning Tang

China Southern Power Grid (China)

Changwei Xu

Shenyang Jianzhu University

Xiaolong Wang

Lanzhou Institute of Chemical Physics

Wei‐Teh Jiang

National Cheng Kung University

Ke‐Jian Jiang

Chinese Academy of Sciences

Meng Liu

University of Chinese Academy of Sciences

Cooperative Institutions

Chinese Academy of Sciences

China University of Geosciences (Beijing)

Shenyang Jianzhu University

Institute of Chemistry

University of Chinese Academy of Sciences

Beijing National Laboratory for Molecular Sciences

China Academy of Printing Technology

Zhejiang University

China University of Geosciences

Mineral Resources

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Microstructure of different chain length ionic liquids intercalated into montmorillonite: A molecular dynamics study

Applied Clay Science (2014)

Limei Wu Cheng‐Xue Yang Lefu Mei Faxiang Qin Libing Liao

C4mim

Chain (unit)

10.1016/j.clay.2014.07.004

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Citations (32)

The sequential intercalation of three types of surfactants into sodium montmorillonite

Applied Clay Science (2015)

Libing Liao Guocheng Lv Dongxue Cai Limei Wu

Sodium dodecyl sulfate

Cationic polymerization

10.1016/j.clay.2015.08.003

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Citations (49)

Preparation and Characterization of High- Viscosity Montmorillonite

Clays and Clay Minerals (2019)

Limei Wu Xiaolong Wang Changwei Xu Fei Gao Lili Gao

10.1007/s42860-019-00024-1

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Preparation and Corrosive Anion-curing Capability of Layered Double Hydroxide (LDH)/Montmorillonite Composites

Clays and Clay Minerals (2023)

Limei Wu Mingxi Sun Xiaolong Wang Yu‐Sheng Lu Ning Tang

Layered double hydroxides

10.1007/s42860-023-00252-6

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Tunable high-performance microwave absorption for manganese dioxides by one-step Co doping modification

Scientific Reports (2016)

Guocheng Lv Xuebing Xing Limei Wu Wei‐Teh Jiang Zhaohui Li

Abstract The frequencies of microwave absorption can be affected by the permanent electric dipole moment which could be adjusted by modifying the crystal symmetry of the microwave absorbing materials. Herein, we corroborate this strategy experimentally and computationally to the microwave absorption of manganese dioxides. Nanosized Co-doped cryptomelane (Co-Cryp) was successfully synthesized by a one-step reaction. The introduction of Co(III) induced a change of crystal symmetry from tetragonal to monlclinic, which could lead to an increase of its permanent electric dipole moment. As a result, the frequencies of maximum microwave absorption were regulated in the range of 7.4 to 13.9 GHz with a broadened bandwidths. The results suggested that microwave absorption of manganese dioxides can be tailored with Co doping to expand their potential uses for abatement of various microwave pollutions.

Tetragonal crystal system

Crystal (programming language)

10.1038/srep37400

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Investigation on the co-modification process of montmorillonite by anionic and cationic surfactants

Applied Clay Science (2016)

Meng Fu Zepeng Zhang Limei Wu Guanzheng Zhuang Shuo Zhang

Cationic polymerization

Sodium dodecyl sulfate

10.1016/j.clay.2016.08.025

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Citations (48)

Drug release material hosted by natural montmorillonite with proper modification

Applied Clay Science (2017)

Limei Wu Guocheng Lv Meng Liu Danyu Wang

10.1016/j.clay.2017.07.034

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Citations (23)

Preparation and characterization of red mud sintered porous materials for water defluoridation

Applied Clay Science (2012)

Guocheng Lv Limei Wu Libing Liao Yihe Zhang Zhaohui Li

10.1016/j.clay.2012.10.004

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Citations (31)

Intercalation and configurations of organic dye acridine orange in a high-charge montmorillonite as influenced by dye loading

Desalination and Water Treatment (2013)

Guocheng Lv Limei Wu Libing Liao Wei‐Teh Jiang Zhaohui Li

Cationic dyes have strong affinity for negatively charged particle surfaces. The uptake of cationic dyes by clay minerals was attributed to cation exchange. In this study, the mechanism of acridine orange (AO) interaction with a high-charge swelling clay and its interlayer configuration were studied by batch studies, Fourier transform infrared, derivative thermal gravity, and X-ray diffraction (XRD) analyses and assisted by molecular dynamic simulation. At lower loading levels up to 0.8 mmol/g of the clay mineral, the uptake of AO was mainly attributed to cation exchange. At higher AO uptake levels, AO molecular association into a horizontal bilayer would be anticipated in the interlayer of montmorillonite as deduced by the d-spacing expansion on XRD patterns and supported by molecular dynamic simulation. Both the external and internal sorption sites and higher AO adsorption capacity made montmorillonite a superior candidate for the removal of cationic dyes.

Cationic polymerization

Acridine orange

10.1080/19443994.2013.821630

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Facile Adjustment of Exposed Crystal Facet of Hematite Derived-From Goethite to Enhance Cr (VI) Sorption

Crystals (2023)

Yuxin Li Guocheng Lv Limei Wu Zhaohui Li Libing Liao

The (110) facets of hematite have excellent adsorption performance for chromium. We aim to obtain hematite with a large specific surface area and exposed (110) facets by using natural needle-like goethite as the precursor. The derived hematite shows a significant increment in the removal capacity of chromium by six times compared with goethite under the same experimental conditions. Structural model fitting of extended X-ray absorption fine structure (EXAFS) spectroscopy suggested that the interatomic distance of Cr-Fe was approximately 3.6 Å for the Cr (VI) coordinated hematite with exposed (110) facets, which was characteristic of the form of bidentate binuclear surface complex. Molecular dynamic simulations for the arrangement of Cr (VI) in (110) facets of goethite and hematite indicated the superiority of hematite adsorption for chromium. We optimized efficient and economic permeable reactive barrier (PRB) materials by crystal plane adjustment based on these experimental and theoretical results. It was found that the life span of the column even reached 610 PVs when the initial concentration of Cr (VI) was 20 mg/L, which indicates its potential application in the field of PRB medium material.

Crystal (programming language)

10.3390/cryst13010079

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Citations (4)