[1] LIU G, JIN W, XU N. Graphene-based membranes[J]. Chemical Society Reviews, 44, 5016-5030(2015).

[2] SHOLL D S, LIVELY R P. Seven chemical separations to change the world[J]. Nature, 532, 435-437(2016).

[3] LI P, WANG Z, QIAO Z. Recent developments in membranes for efficient hydrogen purification[J]. Journal of Membrane Science, 495, 130-168(2015).

[4] JEON Y W, LEE D H. Gas membranes for CO₂/CH₄ (biogas) separation: a review[J]. Environmental Engineering Science, 32, 71-85(2015).

[5] DALANE K, DAI Z, MOGSETH G. Potential applications of membrane separation for subsea natural gas processing: a review[J]. Journal of Natural Gas Science and Engineering, 39, 101-117(2017).

[6] HIMMA N F, WARDANI A K, PRASETYA N. Recent progress and challenges in membrane-based O₂/N₂ separation[J]. Reviews in Chemical Engineering, 35, 591-625(2019).

[7] ZHU J, HOU J, ULIANA A. The rapid emergence of two-dimensional nanomaterials for high-performance separation membranes[J]. Journal of Materials Chemistry A, 6, 3773-3792(2018).

[8] GIN D L, NOBLE R D. Designing the next generation of chemical separation membranes[J]. Science, 332, 674(2011).

[9] QIU T, KUANG C, ZHENG X. On the research and application trends of global gas membrane separation technology-based on analysis of SCI articles and patents in recent 20 years[J]. Chemical Industry & Engineering Progress, 35, 2299-2308(2016).

[10] YAMPOLSKII Y. Polymeric gas separation membranes[J]. Macromolecules, 45, 3298-3311(2012).

[11] PROZOROVSKA L, KIDAMBI P R. State-of-the-art and future prospects for atomically thin membranes from 2D materials[J]. Advanced Materials, 30, 1801179(2018).

[12] LIU M, GURR P A, FU Q. Two-dimensional nanosheet-based gas separation membranes[J]. Journal of Materials Chemistry A, 6, 23169-23196(2018).

[13] LIU G, JIN W, XU N. Two-dimensional-material membranes: a new family of high-performance separation membranes[J]. Angewandte Chemie International Edition, 55, 13384-13397(2016).

[14] WANG L, BOUTILIER M S H, KIDAMBI P R et al. Fundamental transport mechanisms, fabrication and potential applications of nanoporous atomically thin membranes[J]. Nature Nanotechnology, 12, 509(2017).

[15] WIJMANS J G. BAKER R W J. The solution-diffusion model: a review[J]. Journal of Membrane Science, 107, 1-21(1995).

[16] LI C, MECKLER S M, SMITH Z P. Engineered transport in microporous materials and membranes for clean energy technologies[J]. Advanced Materials, 30, 1704953(2018).

[17] SHEN J, LIU G, HUANG K. Membranes with fast and selective gas-transport channels of laminar graphene oxide for efficient CO₂ capture[J]. Angewandte Chemie International Edition, 127, 588-592(2015).

[18] DRAHUSHUK L W, WANG L, KOENIG S P. Analysis of time-varying, stochastic gas transport through graphene membranes[J]. ACS Nano, 10, 786-795(2016).

[19] KIM H W, YOON H W, YOON S M. Selective gas transport through few-layered graphene and graphene oxide membranes[J]. Science, 342, 91-95(2013).

[20] LI H, SONG Z, ZHANG X. Ultrathin, molecular-sieving graphene oxide membranes for selective hydrogen separation[J]. Science, 342, 95-98(2013).

[21] WANG Z, WANG D, ZHANG S. Interfacial design of mixed matrix membranes for improved gas separation performance[J]. Advanced Materials, 28, 3399-3405(2016).

[22] ZHU X, TIAN C, DO-THANH C L et al. Two‐dimensional materials as prospective scaffolds for mixed‐matrix membrane‐based CO₂ separation[J]. ChemSusChem, 10, 3304-3316(2017).

[23] GEIM A K, NOVOSELOV K S. The rise of graphene[J]. Nature Materials, 6, 183(2007).

[24] PARTOENS B, PEETERS F. From graphene to graphite: electronic structure around the K point[J]. Phys. Rev. B, 74, 075404(2006).

[25] BUNCH J S, VERBRIDGE S S, ALDEN J S. Impermeable atomic membranes from graphene sheets[J]. Nano Letters, 8, 2458-2462(2008).

[26] BERRY V. Impermeability of graphene and its applications[J]. Carbon, 62, 1-10(2013).

[27] LEE C, WEI X, KYSAR J W. Measurement of the elastic properties and intrinsic strength of monolayer graphene[J]. Science, 321, 385-388(2008).

[28] JIANG D E, COOPER V, DAI S. Porous graphene as the ultimate membrane for gas separation[J]. Nano Letters, 9, 4019-4024(2009).

[29] WANG S, DAI S, JIANG D E. Continuously tunable pore size for gas separation via a bilayer nanoporous graphene membrane[J]. ACS Applied Nano Materials, 2, 379-384(2019).

[30] KOENIG S P, WANG L, PELLEGRINO J. Selective molecular sieving through porous graphene[J]. Nature Nanotechnology, 7, 728-732(2012).

[31] BELL D, LEMME M, STERN L. Precision cutting and patterning of graphene with helium ions[J]. Nanotechnology, 20, 455301(2009).

[32] CELEBI K, BUCHHEIM J, WYSS R M. Ultimate permeation across atomically thin porous graphene[J]. Science, 344, 289-292(2014).

[33] HUANG S, DAKHCHOUNE M, LUO W. Single-layer graphene membranes by crack-free transfer for gas mixture separation[J]. Nature Communications, 9, 2632-2632(2018).

[34] FISCHBEIN M D, DRNDIĆ M. Electron beam nanosculpting of suspended graphene sheets[J]. Applied Physics Letters, 93, 113107(2008).

[35] LU N, WANG J, FLORESCA H C et al. In situ studies on the shrinkage and expansion of graphene nanopores under electron beam irradiation at temperatures in the range of 400-1200 ℃[J]. Carbon, 50, 2961-2965(2012).

[36] GARAJ S, HUBBARD W, REINA A. Graphene as a subnanometre trans-electrode membrane[J]. Nature, 467, 190(2010).

[37] MERCHANT C. DNA translocation through graphene nanopores[J]. Biophysical Journal, 100, 521a(2011).

[38] HUMMERS JR W S, OFFEMAN R E. Preparation of graphitic oxide[J]. Journal of the American Chemical Society, 80, 1339(1958).

[39] DIMIEV A, TOUR J. Mechanism of graphene oxide formation[J]. ACS Nano, 8, 3060-3067(2014).

[40] NAIR R R, WU H A, JAYARAM P N. Unimpeded permeation of water through helium-leak-tight graphene-based membranes[J]. Science, 335, 442-444(2012).

[41] IBRAHIM A, LIN Y S. Gas permeation and separation properties of large-sheet stacked graphene oxide membranes[J]. Journal of Membrane Science, 550, 238-245(2018).

[42] YANG J, GONG D, LI G. Self-assembly of thiourea-crosslinked graphene oxide framework membranes toward separation of small molecules[J]. Advanced Materials, 30, 1705775(2018).

[43] ABRAHAM J, VASU K S, WILLIAMS C D. Tunable sieving of ions using graphene oxide membranes[J]. Nature Nanotechnology, 12, 546-550(2017).

[44] CHI C, WANG X, PENG Y. Facile preparation of graphene oxide membranes for gas separation[J]. Chemistry of Materials, 28, 2921-2927(2016).

[45] YANG E, HAM M H, PARK H B. Tunable semi-permeability of graphene-based membranes by adjusting reduction degree of laminar graphene oxide layer[J]. Journal of Membrane Science, 547, 73-79(2018).

[46] SU Y, KRAVETS V G, WONG S L. Impermeable barrier films and protective coatings based on reduced graphene oxide[J]. Nature Communications, 5, 4843(2014).

[47] SUN P, WANG K, ZHU H. Recent developments in graphene-based membranes: structure, mass-transport mechanism and potential applications[J]. Advanced Materials, 28, 2287-2310(2016).

[48] ZHANG Y, ZHANG S, CHUNG T S. via nanofiltration[J]. Environmental Science & Technology, 49, 10235-10242(2015).

[49] BURRESS J W, GADIPELLI S, FORD J. Graphene oxide framework materials: theoretical predictions and experimental results[J]. Angewandte Chemie International Edition, 49, 8902-8904(2010).

[50] KARUNAKARAN M, VILLALOBOS L F, KUMAR M. Graphene oxide doped ionic liquid ultrathin composite membranes for efficient CO₂ capture[J]. Journal of Materials Chemistry A, 5, 649-656(2017).

[51] WANG S, XIE Y, HE G. Graphene oxide membranes with heterogeneous nanodomains for efficient CO₂ separations[J]. Angewandte Chemie, 129, 14434-14439(2017).

[52] HUANG G, ISFAHANI A P, MUCHTAR A. Pebax/ionic liquid modified graphene oxide mixed matrix membranes for enhanced CO₂ capture[J]. Journal of Membrane Science, 565, 370-379(2018).

[53] XIN Q, MA F, ZHANG L. Interface engineering of mixed matrix membrane via CO₂-philic polymer brush functionalized graphene oxide nanosheets for efficient gas separation[J]. Journal of Membrane Science, 586, 23-33(2019).

[54] SHEN J, LIU G, HUANG K. Subnanometer two-dimensional graphene oxide channels for ultrafast gas sieving[J]. ACS Nano, 10, 3398-3409(2016).

[55] YING W, CAI J, ZHOU K. Ionic liquid selectively facilitates CO₂ transport through graphene oxide membrane[J]. ACS Nano, 12, 5385-5393(2018).

[56] SCHMIDT H, WANG S, CHU L. Transport properties of monolayer MoS₂ grown by chemical vapor deposition[J]. Nano Letters, 14, 1909-1913(2014).

[57] NICOLOSI V, CHHOWALLA M, G KANATZIDIS M. Liquid exfoliation of layered materials[J]. Science, 340, 1226419(2013).

[58] ZHANG W, HUANG J K, CHEN C H. High-gain phototransistors based on a CVD MoS₂ monolayer[J]. Advanced Materials, 25, 3456-3461(2013).

[59] WANG H, FENG H, LI J. Graphene and graphene-like layered transition metal dichalcogenides in energy conversion and storage[J]. Small, 10, 2165-2181(2014).

[60] ZENG Z, SUN T, ZHU J. An effective method for the fabrication of few-layer-thick inorganic nanosheets[J]. Angewandte Chemie International Edition, 124, 9186-9190(2012).

[61] GEE M A, FRINDT R F, JOENSEN P. Inclusion compounds of MoS₂[J]. Materials Research Bulletin, 21, 543-549(1986).

[62] WANG D, WANG Z, WANG L. Ultrathin membranes of single- layered MoS₂ nanosheets for high-permeance hydrogen separation[J]. Nanoscale, 7, 17649-17652(2015).

[63] ACHARI A, SAHANA S, ESWARAMOORTHY M. High performance MoS₂ membranes: effects of thermally driven phase transition on CO₂ separation efficiency[J]. Energy & Environmental Science, 9, 1224-1228(2016).

[64] OSTWAL M, SHINDE D B, WANG X. Graphene oxide- molybdenum disulfide hybrid membranes for hydrogen separation[J]. Journal of Membrane Science, 550, 145-154(2018).

[65] ZHAO S, XUE J, KANG W. Gas adsorption on MoS₂ monolayer from first-principles calculations[J]. Chemical Physics Letters, 35-42(2014).

[66] HE Q, ZENG Z, YIN Z. Fabrication of flexible MoS₂ thin-film transistor arrays for practical gas-sensing applications[J]. Small, 8, 2994-2999(2012).

[67] BEREAN K J, OU J Z, DAENEKE T. 2D MoS₂ pdms nanocomposites for NO₂ separation[J]. Small, 11, 5035-5040(2015).

[68] SHEN Y, WANG H, ZHANG X. MoS₂ nanosheets functionalized composite mixed matrix membrane for enhanced CO₂ capture via surface drop-coating method[J]. ACS Applied Materials & Interfaces, 8, 23371-23378(2016).

[69] CHEN D K, YING W, GUO Y. Enhanced gas separation through nanoconfined ionic liquid in laminated MoS₂ membrane[J]. ACS Applied Materials & Interfaces, 9, 44251-44257(2017).

[70] CHEN D, WANG W, YING W. CO₂-philic WS₂ laminated membranes with a nanoconfined ionic liquid[J]. Journal of Materials Chemistry A, 6, 16566-16573(2018).

[71] ALHABEB M, MALESKI K, ANASORI B. Guidelines for synthesis and processing of two-dimensional titanium carbide (Ti₃C₂T_x MXene)[J]. Chemistry of Materials, 29, 7633-7644(2017).

[72] WANG J T, CHEN P P, SHI B B. A regularly channeled lamellar membrane for unparalleled water and organics permeation[J]. Angewandte Chemie-International Edition, 57, 6814-6818(2018).

[73] DING L, WEI Y, WANG Y. A two-dimensional lamellar membrane: MXene nanosheet stacks[J]. Angewandte Chemie International Edition, 56, 1825-1829(2017).

[74] REN C E, HATZELL K B, ALHABEB M. Charge- and size-selective ion sieving through Ti₃C₂T_x MXene membranes[J]. The Journal of Physical Chemistry Letters, 6, 4026-4031(2015).

[75] RASOOL K, MAHMOUD K A, JOHNSON D J. Efficient antibacterial membrane based on two-dimensional Ti₃C₂T_x (MXene) nanosheets[J]. Sci. Rep, 7, 1598(2017).

[76] RASOOL K, HELAL M, ALI A. Antibacterial activity of Ti₃C₂T_x MXene[J]. ACS Nano, 10, 3674-3684(2016).

[77] DING L, WEI Y, LI L. MXene molecular sieving membranes for highly efficient gas separation[J]. Nature Communications, 9, 155(2018).

[78] SHEN J, LIU G Z, JI Y F. 2D MXene nanofilms with tunable gas transport channels[J]. Advanced Functional Materials, 28, 1801511(2018).

[79] LI L, ZHANG T, DUAN Y. Selective gas diffusion in two-dimensional MXene lamellar membranes: insights from molecular dynamics simulations[J]. Journal of Materials Chemistry A, 6, 11734-11742(2018).

[80] WANG Q, O’HARE D. Recent advances in the synthesis and application of layered double hydroxide (LDH) nanosheets[J]. Chemical Reviews, 112, 4124-4155(2012).

[81] LU P, LIU Y, ZHOU T. Recent advances in layered double hydroxides (LDHs) as two-dimensional membrane materials for gas and liquid separations[J]. Journal of Membrane Science, 567, 89-103(2018).

[82] KIM T W, SAHIMI M, TSOTSIS T T. Preparation of hydrotalcite thin films using an electrophoretic technique[J]. Industrial & Engineering Chemistry Research, 47, 9127-9132(2008).

[83] KIM T W, SAHIMI M, TSOTSIS T T. The preparation and characterization of hydrotalcite thin films[J]. Industrial & Engineering Chemistry Research, 48, 5794-5801(2009).

[84] LIU Y, WANG N, CAO Z. Molecular sieving through interlayer galleries[J]. Journal of Materials Chemistry A, 2, 1235-1238(2014).

[85] WANG Y, LOW Z X, KIM S. Functionalized boron nitride nanosheets: a thermally rearranged polymer nanocomposite membrane for hydrogen separation[J]. Angewandte Chemie International Edition, 57, 16056-16061(2018).

[86] KIM S, HOU J, WANG Y. Highly permeable thermally rearranged polymer composite membranes with a graphene oxide scaffold for gas separation[J]. Journal of Materials Chemistry A, 6, 7668-7674(2018).

[87] ZHANG X, HE Y, LI R. 2D mica crystal as electret in organic field-effect transistors for multistate memory[J]. Advanced Materials, 28, 3755-3760(2016).

[88] WANG D, YUAN G, HAO G. All-inorganic flexible piezoelectric energy harvester enabled by two-dimensional mica[J]. Nano Energy, 43, 351-358(2018).

[89] YING W, HAN B, LIN H. Laminated mica nanosheets supported ionic liquid membrane for CO₂ separation[J]. Nanotechnology, 30, 385705(2019).

[90] ZHANG H P, HU W, DU A. Doped phosphorene for hydrogen capture: a DFT study[J]. Applied Surface Science, 433, 249-255(2018).

[91] ZHANG H P, DU A, SHI Q B. Adsorption behavior of CO₂ on pristine and doped phosphorenes: a dispersion corrected DFT study[J]. Journal of CO2 Utilization, 24, 463-470(2018).