[4] [4] AKINWUNMI B, HIRVI J T, KASA S, et al. Swelling pressure of Naand Ca-montmorillonites in saline environments: A molecular dynamics study[J]. Chem Phys, 2020, 528: 110511.

[5] [5] CHEN L C, ZHAO Y L, CHEN T X, et al. Correlation of aspect ratio of montmorillonite nanosheets with the colloidal properties in aqueous solutions[J]. Results Phys, 2019, 15: 102526.

[6] [6] ZHANG T T, WANG W, ZHAO Y L, et al. Removal of heavy metals and dyes by clay-based adsorbents: From natural clays to 1D and 2D nano-composites[J]. Chem Eng J, 2021, 420: 127574.

[7] [7] ZHANG T T, LI M L, CHEN L C, et al. Novel montmorillonite nanosheets-based hydrogel beads with high adsorption performance and structural strength for removal of dyes and heavy metals[J]. Chem Phys Lett, 2023, 813: 140322.

[8] [8] YI H, ZHAO Y L, SONG S X. Development of superior stable two-dimensional montmorillonite nanosheet based working nanofluids for direct solar energy harvesting and utilization[J]. Appl Clay Sci,2021, 200: 105886.

[9] [9] WU L M, LIU Q X, WANG X L, et al. Preparation of two-dimensional nano montmorillonite/stearic acid energy storage composites with excellent stability and heat storage property[J]. Appl Clay Sci, 2020,191: 105614.

[10] [10] CHEN P, ZHAO Y L, WANG W, et al. Correlation of montmorillonite sheet thickness and flame retardant behavior of a Chitosan–Montmorillonite nanosheet membrane assembled on flexible polyurethane foam[J]. Polymers, 2019, 11(2): 213.

[11] [11] ZHANG T T, BAI H Y, ZHAO Y L, et al. Precise cation recognition in two-dimensional nanofluidic channels of clay membranes imparted from intrinsic selectivity of clays[J]. ACS Nano, 2022, 16(3):4930–4939.

[12] [12] CHEN L C, ZHAO Y L, BAI H Y, et al. A novel gasification exfoliation method of the preparation of anhydrous montmorillonite nanosheets for inhibiting restack problem suffering from dehydration[J]. Appl Clay Sci, 2022, 217: 106394.

[15] [15] LU C S, MAI Y W. Influence of aspect ratio on barrier properties of polymer-clay nanocomposites[J]. Phys Rev Lett, 2005, 95(8): 088303.

[16] [16] BAI H Y, ZHAO Y L, ZHANG X, et al. Correlation of exfoliation performance with interlayer cations of montmorillonite in the preparation of two-dimensional nanosheets[J]. J Am Ceram Soc, 2019,102(7): 3908–3922.

[17] [17] TSAGKAROPOULOU G, ALLEN F J, CLARKE S M, et al.Self-assembly and adsorption of cetyltrimethylammonium bromide and didodecyldimethylammonium bromide surfactants at the mica-water interface[J]. Soft Matter, 2019, 15(41): 8402–8411.

[18] [18] DING Z M, LI J, XIN W, et al. Facile and high-concentration exfoliation of montmorillonite into mono-layered nanosheets and application in multifunctional waterborne polyurethane coating[J].Appl Clay Sci, 2020, 198: 105798.

[19] [19] HUANG M Y, CHEN Y, YAN X, et al. Two-dimensional Montmorillonite membranes with efficient water filtration[J]. J Membr Sci, 2020, 614: 118540.

[20] [20] ZHONG L L, HU S X, YANG X J, et al. Difference in the preparation of two-dimensional nanosheets of montmorillonite from different regions: Role of the layer charge density[J]. Colloids Surf A Physicochem Eng Aspects, 2021, 617: 126364.

[21] [21] TOMBáCZ E, SZEKERES M. Colloidal behavior of aqueous montmorillonite suspensions: The specific role of pH in the presence of indifferent electrolytes[J]. Appl Clay Sci, 2004, 27(1–2): 75–94.

[22] [22] CHEN T X, YUAN Y, ZHAO Y L, et al. Preparation of montmorillonite nanosheets through freezing/thawing and ultrasonic exfoliation[J]. Langmuir, 2019, 35(6): 2368–2374.

[25] [25] AKINWUNMI B, KPORHA F E A, HIRVI J T, et al. Atomistic simulations of the swelling behaviour of Na-montmorillonite in mixed NaCl and CaCl2 solutions[J]. Chem Phys, 2020, 533: 110712.

[26] [26] CHEN Y G, JIA L Y, LI Q, et al. Swelling deformation of compacted GMZ bentonite experiencing chemical cycles of sodium–calcium exchange and salinization-desalinization effect[J]. Appl Clay Sci,2017, 141: 55–63.

[27] [27] LI X, ZHU C, JIA Z Q, et al. Confinement effects and mechanistic aspects for montmorillonite nanopores[J]. J Colloid Interface Sci,2018, 523: 18–26.