Recent progress on in situ characterizations of electrochemically intercalated transition metal dichalcogenides

Li, X. L.; Wang, X. R.; Zhang, L.; Lee, S.; Dai, H. J. Chemically derived, ultrasmooth graphene nanoribbon semiconductors. Science 2008, 319, 1229–1232.

Radisavljevic, B.; Radenovic, A.; Brivio, J.; Giacometti, V.; Kis, A. Single-layer MoS₂ transistors. Nat. Nanotechnol. 2011, 6, 147–150.

Wilson, J. A.; Yoffe, A. D. The transition metal dichalcogenides discussion and interpretation of the observed optical, electrical and structural properties. Adv. Phys. 1969, 18, 193–335.

Geim, A. K.; Grigorieva, I. V. Van der Waals heterostructures. Nature 2013, 499, 419–425.

Wang, F.; Zhang, Y. B.; Tian, C. S.; Girit, C.; Zettl, A.; Crommie, M.; Shen, Y. R. Gate-variable optical transitions in graphene. Science 2008, 320, 206–209.

Li, Z. Q.; Henriksen, E. A.; Jiang, Z.; Hao, Z.; Martin, M. C.; Kim, P.; Stormer, H. L.; Basov, D. N. Dirac charge dynamics in graphene by infrared spectroscopy. Nat. Phys. 2008, 4, 532–535.

Feng, J.; Qian, X. F.; Huang, C. W.; Li, J. Strain-engineered artificial atom as a broad-spectrum solar energy funnel. Nat. Photonics 2012, 6, 866–872.

Hor, Y. S.; Williams, A. J.; Checkelsky, J. G.; Roushan, P.; Seo, J.; Xu, Q.; Zandbergen, H. W.; Yazdani, A.; Ong, N. P.; Cava, R. J. Superconductivity in Cu_xBi₂Se₃ and its implications for pairing in the undoped topological insulator. Phys. Rev. Lett. 2010, 104, 057001.

Morosan, E.; Zandbergen, H. W.; Dennis, B. S.; Bos, J. W. G.; Onose, Y.; Klimczuk, T.; Ramirez, A. P.; Ong, N. P.; Cava, R. J. Superconductivity in Cu_xTiSe₂. Nat. Phys. 2006, 2, 544–550.

Profeta, G.; Calandra, M.; Mauri, F. Phonon-mediated superconductivity in graphene by lithium deposition. Nat. Phys. 2012, 8, 131–134.

Zhang, R. Y.; Tsai, I. L.; Chapman, J.; Khestanova, E.; Waters, J.; Grigorieva, I. V. Superconductivity in potassium-doped metallic polymorphs of MoS₂. Nano Lett. 2016, 16, 629–636.

Ye, J. T.; Zhang, Y. J.; Akashi, R.; Bahramy, M. S.; Arita, R.; Iwasa, Y. Superconducting dome in a gate-tuned band insulator. Science 2012, 338, 1193–1196.

Morosan, E.; Zandbergen, H. W.; Li, L.; Lee, M.; Checkelsky, J. G.; Heinrich, M.; Siegrist, T.; Ong, N. P.; Cava, R. J. Sharp switching of the magnetization in Fe_1/4TaS₂. Phys. Rev. B 2007, 75, 104401.

Hardy, W. J.; Chen, C. W.; Marcinkova, A.; Ji, H.; Sinova, J.; Natelson, D.; Morosan, E. Very large magnetoresistance in Fe_0.28TaS₂ single crystals. Phys. Rev. B 2015, 91, 054426.

Koski, K. J.; Cha, J. J.; Reed, B. W.; Wessells, C. D.; Kong, D. S.; Cui, Y. High-density chemical intercalation of zero-valent copper into Bi₂Se₃ nanoribbons. J. Am. Chem. Soc. 2012, 134, 7584–7587.

Cha, J. J.; Koski, K. J.; Huang, K. C. Y.; Wang, K. X.; Luo, W. D.; Kong, D. S.; Yu, Z. F.; Fan, S. H.; Brongersma, M. L.; Cui, Y. Two-dimensional chalcogenide nanoplates as tunable metamaterials via chemical intercalation. Nano Lett. 2013, 13, 5913–5918.

Yao, J.; Koski, K. J.; Luo, W. D.; Cha, J. J.; Hu, L. B.; Kong, D. S.; Narasimhan, V. K.; Huo, K. F.; Cui, Y. Optical transmission enhacement through chemically tuned two-dimensional bismuth chalcogenide nanoplates. Nat. Commun. 2014, 5, 5670.

Bao, W. Z.; Wan, J. Y.; Han, X. G.; Cai, X. H.; Zhu, H. L.; Kim, D.; Ma, D. K.; Xu, Y. L.; Munday, J. N.; Drew, H. D. et al. Approaching the limits of transparency and conductivity in graphitic materials through lithium intercalation. Nat. Commun. 2014, 5, 4224.

Wang, Y. C.; Ou, J. Z.; Balendhran, S.; Chrimes, A. F.; Mortazavi, M.; Yao, D. D.; Field, M. R.; Latham, K.; Bansal, V.; Friend, J. R. et al. Electrochemical control of photoluminescence in two-dimensional MoS₂ nanoflakes. ACS Nano 2013, 7, 10083–10093.

Wan, C. L.; Wang, Y. F.; Wang, N.; Norimatsu, W.; Kusunoki, M.; Koumoto, K. Intercalation: Building a natural superlattice for better thermoelectric performance in layered chalcogenides. J. Electron. Mater. 2011, 40, 1271–1280.

Kang, J. S.; Ke, M.; Hu, Y. J. Ionic intercalation in two-dimensional van der Waals materials: In situ characterization and electrochemical control of the anisotropic thermal conductivity of black phosphorus. Nano Lett. 2017, 17, 1431–1438.

Sood, A.; Xiong, F.; Chen, S. D.; Wang, H. T.; Selli, D.; Zhang, J. S.; McClellan, C. J.; Sun, J.; Donadio, D.; Cui, Y. et al. An electrochemical thermal transistor. Nat. Commun. 2018, 9, 4510.

Coleman, J. N.; Lotya, M.; O'Neill, A.; Bergin, S. D.; King, P. J.; Khan, U.; Young, K.; Gaucher, A.; De, S.; Smith, R. J. et al. Two-dimensional nanosheets produced by liquid exfoliation of layered materials. Science 2011, 331, 568–571.

Withers, F.; Yang, H.; Britnell, L.; Rooney, A. P.; Lewis, E.; Felten, A.; Woods, C. R.; Sanchez Romaguera, V.; Georgiou, T.; Eckmann, A. et al. Heterostructures produced from nanosheet-based inks. Nano Lett. 2014, 14, 3987–3992.

Wang, H. T.; Lu, Z. Y.; Xu, S. C.; Kong, D. S.; Cha, J. J.; Zheng, G. Y.; Hsu, P. C.; Yan, K.; Bradshaw, D.; Prinz, F. B. et al. Electrochemical tuning of vertically aligned MoS₂ nanofilms and its application in improving hydrogen evolution reaction. Proc. Natl. Acad. Sci. USA 2013, 110, 19701–19706.

Lukowski, M. A.; Daniel, A. S.; Meng, F.; Forticaux, A.; Li, L. S.; Jin, S. Enhanced hydrogen evolution catalysis from chemically exfoliated metallic MoS₂ nanosheets. J. Am. Chem. Soc. 2013, 135, 10274–10277.

Voiry, D.; Salehi, M.; Silva, R.; Fujita, T.; Chen, M. W.; Asefa, T.; Shenoy, V. B.; Eda, G.; Chhowalla, M. Conducting MoS₂ nanosheets as catalysts for hydrogen evolution reaction. Nano Lett. 2013, 13, 6222–6227.

Voiry, D.; Yamaguchi, H.; Li, J. W.; Silva, R.; Alves, D. C. B.; Fujita, T.; Chen, M. W.; Asefa, T.; Shenoy, V. B.; Eda, G. et al. Enhanced catalytic activity in strained chemically exfoliated WS₂ nanosheets for hydrogen evolution. Nat. Mater. 2013, 12, 850–855.

Zhou, Y.; Silva, J. L.; Woods, J. M.; Pondick, J. V.; Feng, Q. L.; Liang, Z. X.; Liu, W.; Lin, L.; Deng, B. C.; Brena, B. et al. Revealing the contribution of individual factors to hydrogen evolution reaction catalytic activity. Adv. Mater. 2018, 30, 1706076.

Acerce, M.; Voiry, D.; Chhowalla, M. Metallic 1T phase MoS₂ nanosheets as supercapacitor electrode materials. Nat. Nanotechnol. 2015, 10, 313–318.

Zhu, Y.; Peng, L. L.; Fang, Z. W.; Yan, C. S.; Zhang, X.; Yu, G. H. Structural engineering of 2D nanomaterials for energy storage and catalysis. Adv. Mater. 2018, 30, 1706347.

Wan, J. Y.; Bao, W. Z.; Liu, Y.; Dai, J. Q.; Shen, F.; Zhou, L. H.; Cai, X. H.; Urban, D.; Li, Y. Y.; Jungjohann, K. et al. In situ investigations of Li-MoS₂ with planar batteries. Adv. Energy Mater. 2015, 5, 1401742.

Zhu, Y.; Qian, Y. M.; Ju, Z. Y.; Peng, L. L.; Yu, G. H. Solvent-dependent intercalation and molecular configurations in metallocene-layered crystal superlattices. Nano Lett. 2018, 18, 6071–6075.

Chen, D. H.; Peng, L. L.; Yuan, Y. F.; Zhu, Y.; Fang, Z. W.; Yan, C. S.; Chen, G.; Shahbazian-Yassar, R.; Lu, J.; Amine, K. et al. Two-dimensional Holey Co₃O₄ nanosheets for high-rate alkali-ion batteries: From rational synthesis to in situ probing. Nano Lett. 2017, 17, 3907–3913.

Xue, Y. H.; Zhang, Q.; Wang, W. J.; Cao, H.; Yang, Q. H.; Fu, L. Opening two-dimensional materials for energy conversion and storage: A concept. Adv. Energy Mater. 2017, 7, 1602684.

Liang, Y. L.; Yoo, H. D.; Li, Y. F.; Shuai, J.; Calderon, H. A.; Robles Hernandez, F. C.; Grabow, L. C.; Yao, Y. Interlayer-expanded molybdenum disulfide nanocomposites for electrochemical magnesium storage. Nano Lett. 2015, 15, 2194–2202.

Yarali, M.; Biçer, E.; Gürsel, S. A.; Yürüm, A. The effect of pH on the interlayer distances of elongated titanate nanotubes and their use as a Li-ion battery anode. Nanotechnology 2016, 27, 015401.

Yarali, M.; Biçer, E.; Gürsel, S. A.; Yürüm, A. Expansion of titanate nanotubes by the use of a surfactant and its improved performance as an anode in Li-ion batteries. Electrochim. Acta 2016, 220, 453–464.

Kashfi-Sadabad, R.; Yazdani, S.; Huan, T. D.; Cai, Z.; Pettes, M. T. Role of oxygen vacancy defects in the electrocatalytic activity of substoichiometric molybdenum oxide. J. Phys. Chem. C 2018, 122, 18212–18222.

Yazdani, S.; Kashfi-Sadabad, R.; Huan, T. D.; Morales-Acosta, M. D.; Pettes, M. T. Polyelectrolyte-assisted oxygen vacancies: A new route to defect engineering in molybdenum oxide. Langmuir 2018, 34, 6296–6306.

Yazdani, S.; Pettes, M. T. Nanoscale self-assembly of thermoelectric materials: A review of chemistry-based approaches. Nanotechnology 2018, 29, 432001.

Dresselhaus, M. S. Intercalation in Layered Materials; Springer Science+ Business Media, LLC: New York, 1986.

Chhowalla, M.; Shin, H. S.; Eda, G.; Li, L. J.; Loh, K. P.; Zhang, H. The chemistry of two-dimensional layered transition metal dichalcogenide nanosheets. Nat. Chem. 2013, 5, 263–275.

Wang, H. T.; Yuan, H. T.; Sae Hong, S.; Li, Y. B.; Cui, Y. Physical and chemical tuning of two-dimensional transition metal dichalcogenides. Chem. Soc. Rev. 2015, 44, 2664–2680.

Wan, J. Y.; Lacey, S. D.; Dai, J. Q.; Bao, W. Z.; Fuhrer, M. S.; Hu, L. B. Tuning two-dimensional nanomaterials by intercalation: Materials, properties and applications. Chem. Soc. Rev. 2016, 45, 6742–6765.

Jung, Y.; Zhou, Y.; Cha, J. J. Intercalation in two-dimensional transition metal chalcogenides. Inorg. Chem. Front. 2016, 3, 452–463.

Wang, L. F.; Xu, Z.; Wang, W. L.; Bai, X. D. Atomic mechanism of dynamic electrochemical lithiation processes of MoS₂ nanosheets. J. Am. Chem. Soc. 2014, 136, 6693–6697.

Xiong, F.; Wang, H. T.; Liu, X. G.; Sun, J.; Brongersma, M.; Pop, E.; Cui, Y. Li intercalation in MoS₂: In situ observation of its dynamics and tuning optical and electrical properties. Nano Lett. 2015, 15, 6777–6784.

Gao, P.; Wang, L. P.; Zhang, Y. Y.; Huang, Y.; Liu, K. H. Atomic-scale probing of the dynamics of sodium transport and intercalation-induced phase transformations in MoS₂. ACS Nano 2015, 9, 11296–11301.

Huang, Q. M.; Li, X. M.; Sun, M. H.; Zhang, L.; Song, C. Z.; Zhu, L.; Chen, P.; Xu, Z.; Wang, W. L.; Bai, X. D. The mechanistic insights into the 2H-1T phase transition of MoS₂ upon alkali metal intercalation: From the study of dynamic sodiation processes of MoS₂ nanosheets. Adv. Mater. Interfaces 2017, 4, 1700171.

Zhang, J. S.; Yang, A. K.; Wu, X.; van de Groep, J.; Tang, P. Z.; Li, S. R.; Liu, B. F.; Shi, F. F.; Wan, J. Y.; Li, Q. T. et al. Reversible and selective ion intercalation through the top surface of few-layer MoS₂. Nat. Commun. 2018, 9, 5289.

Kühne, M.; Börrnert, F.; Fecher, S.; Ghorbani-Asl, M.; Biskupek, J.; Samuelis, D.; Krasheninnikov, A. V.; Kaiser, U.; Smet, J. H. Reversible superdense ordering of lithium between two graphene sheets. Nature 2018, 564, 234–239.

Kühne, M.; Paolucci, F.; Popovic, J.; Ostrovsky, P. M.; Maier, J.; Smet, J. H. Ultrafast lithium diffusion in bilayer graphene. Nat. Nanotechnol. 2017, 12, 895–900.

Zhao, S. Y. F.; Elbaz, G. A.; Bediako, D. K.; Yu, C.; Efetov, D. K.; Guo, Y. S.; Ravichandran, J.; Min, K. A.; Hong, S.; Taniguchi, T. et al. Controlled electrochemical intercalation of graphene/h-BN van der Waals heterostructures. Nano Lett. 2018, 18, 460–466.

Bediako, D. K.; Rezaee, M.; Yoo, H.; Larson, D. T.; Zhao, S. Y. F.; Taniguchi, T.; Watanabe, K.; Brower-Thomas, T. L.; Kaxiras, E.; Kim, P. Heterointerface effects in the electrointercalation of van der Waals heterostructures. Nature 2018, 558, 425–429.

Zhang, J. S.; Sun, J.; Li, Y. B.; Shi, F. F.; Cui, Y. Electrochemical control of copper intercalation into nanoscale Bi₂Se₃. Nano Lett. 2017, 17, 1741–1747.

Kolobov, A. V.; Tominaga, J. Two-Dimensional Transition-Metal Dichalcogenides; Springer: Cham, 2016.

Kertesz, M.; Hoffmann, R. Octahedral vs. trigonal-prismatic coordination and clustering in transition-metal dichalcogenides. J. Am. Chem. Soc. 1984, 106, 3453–3460.

Liang, L. B.; Puretzky, A. A.; Sumpter, B. G.; Meunier, V. Interlayer bond polarizability model for stacking-dependent low-frequency Raman scattering in layered materials. Nanoscale 2017, 9, 15340–15355.

Huang, Q.M.; Wang, L. F.; Xu, Z.; Wang, W. L.; Bai, X. D. In-situ TEM investigation of MoS₂ upon alkali metal intercalation. Sci. China. Chem. 2018, 61, 222–227.

Fan, S. X.; Zou, X. L.; Du, H. D.; Gan, L.; Xu, C. J.; Lv, W.; He, Y. B.; Yang, Q. H.; Kang, F. Y.; Li, J. Theoretical investigation of the intercalation chemistry of lithium/sodium ions in transition metal dichalcogenides. J. Phys. Chem. C 2017, 121, 13599–13605.

Mortazavi, M.; Wang, C.; Deng, J. K.; Shenoy, V. B.; Medhekar, N. V. Ab initio characterization of layered MoS₂ as anode for sodium-ion batteries. J. Power Sources 2014, 268, 279–286.

Bissessur, R.; Kanatzidis, M. G.; Schindler, J. L.; Kannewurf, C. R. Encapsulation of polymers into MoS₂ and metal to insulator transition in metastable MoS₂. J. Chem. Soc. Chem. Commun. 1993, 1582–1585.

Py, M. A.; Haering, R. R. Structural destabilization induced by lithium intercalation in MoS₂ and related compounds. Can. J. Phys. 1983, 61, 76–84.

Yang, D.; Frindt, R. F. Li-intercalation and exfoliation of WS₂. J. Phys. Chem. Solids 1996, 57, 1113–1116.

Gordon, R. A.; Yang, D.; Crozier, E. D.; Jiang, D. T.; Frindt, R. F. Structures of exfoliated single layers of WS₂, MoS₂, and MoSe₂ in aqueous suspension. Phys. Rev. B 2002, 65, 125407.

Tsai, H. L.; Heising, J.; Schindler, J. L.; Kannewurf, C. R.; Kanatzidis, M. G. Exfoliated-restacked phase of WS₂. Chem. Mater. 1997, 9, 879–882.

Ganal, P.; Olberding, W.; Butz, T.; Ouvrard, G. Soft chemistry induced host metal coordination change from octahedral to trigonal prismatic in 1T-TaS₂. Solid State Ion. 1993, 59, 313–319.

Wypych, F.; Schöllhorn, R. 1T-MoS₂, a new metallic modification of molybdenum disulfide. J. Chem. Soc. Chem. Commun. 1992, 1386–1388.

Prouzet, E.; Heising, J.; Kanatzidis, M. G. Structure of restacked and pillared WS₂: An X-ray absorption study. Chem. Mater. 2003, 15, 412–418.

Yang, D.; Jiménez Sandoval, S.; Divigalpitiya, W. M. R.; Irwin, J. C.; Frindt, R. F. Structure of single-molecular-layer MoS₂. Phys. Rev. B 1991, 43, 12053–12056.

Qin, X. R.; Yang, D.; Frindt, R. F.; Irwin, J. C. Real-space imaging of single-layer MoS₂ by scanning tunneling microscopy. Phys. Rev. B 1991, 44, 3490–3493.

Hu, T.; Li, R.; Dong, J. M. A new (2×1) dimerized structure of monolayer 1T-molybdenum disulfide, studied from first principles calculations. J. Chem. Phys. 2013, 139, 174702.

Yu, Y. F.; Nam, G. H.; He, Q. Y.; Wu, X. J.; Zhang, K.; Yang, Z. Z.; Chen, J. Z.; Ma, Q. L.; Zhao, M. T.; Liu, Z. Q. et al. High phase-purity 1T'-MoS₂- and 1T'-MoSe₂-layered crystals. Nat. Chem. 2018, 10, 638–643.

Heising, J.; Kanatzidis, M. G. Structure of restacked MoS₂ and WS₂ elucidated by electron crystallography. J. Am. Chem. Soc. 1999, 121, 638–643.

Benavente, E.; Santa Ana, M. A.; Mendizábal, F.; González, G. Intercalation chemistry of molybdenum disulfide. Coord. Chem. Rev. 2002, 224, 87–109.

Wypych, F.; Weber, T.; Prins, R. Scanning tunneling microscopic investigation of 1T-MoS₂. Chem. Mater. 1998, 10, 723–727.

Heising, J.; Kanatzidis, M. G. Exfoliated and restacked MoS₂ and WS₂: Ionic or neutral species? Encapsulation and ordering of hard electropositive cations. J. Am. Chem. Soc. 1999, 121, 11720–11732.

Qin, X. R.; Yang, D.; Frindt, R. F.; Irwin, J. C. Scanning tunneling microscopy of single-layer MoS₂ in water and butanol. Ultramicroscopy 1992, 42–44, 630–636.

Dungey, K. E.; Curtis, M. D.; Penner-Hahn, J. E. Structural characterization and thermal stability of MoS₂ intercalation compounds. Chem. Mater. 1998, 10, 2152–2161.

Wypych, F.; Solenthaler, C.; Prins, R.; Weber, T. Electron diffraction study of intercalation compounds derived from 1T-MoS₂. J. Solid State Chem. 1999, 144, 430–436.

Wypych, F.; Weber, T.; Prins, R. Scanning tunneling microscopic investigation of K_x(H₂O)_yMoS₂. Surf. Sci. 1997, 380, L474-L478.

Shannon, R. Revised effective ionic radii and systematic studies of interatomic distances in halides and chalcogenides. Acta Cryst. 1976, 32, 751–767.

Basu, S.; Worrell, W. L. Fast Ion Transport in Solids; Vashishta, P.; Mundy, J. N.; Shenoy, G., Eds.; Elsevier: Amsterdam, 1979.

Kim, N.; Kim, K. S.; Jung, N.; Brus, L.; Kim, P. Synthesis and electrical characterization of magnetic bilayer graphene intercalate. Nano Lett. 2011, 11, 860–865.

Gallagher, P.; Lee, M.; Petach, T. A.; Stanwyck, S. W.; Williams, J. R.; Watanabe, K.; Taniguchi, T.; Goldhaber-Gordon, D. A high-mobility electronic system at an electrolyte-gated oxide surface. Nat. Commun. 2015, 6, 6437.

Browning, A.; Kumada, N.; Sekine, Y.; Irie, H.; Muraki, K.; Yamamoto, H. Evaluation of disorder introduced by electrolyte gating through transport measurements in graphene. Appl. Phys. Express 2016, 9, 065102.

Ovchinnikov, D.; Gargiulo, F.; Allain, A.; Pasquier, D. J.; Dumcenco, D.; Ho, C. H.; Yazyev, O. V.; Kis, A. Disorder engineering and conductivity dome in ReS₂ with electrolyte gating. Nat. Commun. 2016, 7, 12391.

Couto, N. J. G.; Costanzo, D.; Engels, S.; Ki, D. K.; Watanabe, K.; Taniguchi, T.; Stampfer, C.; Guinea, F.; Morpurgo, A. F. Random strain fluctuations as dominant disorder source for high-quality on-substrate graphene devices. Phys. Rev. X 2014, 4, 041019.

Wang, L.; Meric, I.; Huang, P. Y.; Gao, Q.; Gao, Y.; Tran, H.; Taniguchi, T.; Watanabe, K.; Campos, L. M.; Muller, D. A. et al. One-dimensional electrical contact to a two-dimensional material. Science 2013, 342, 614–617.

Enyashin, A. N.; Seifert, G. Density-functional study of Li_xMoS₂ intercalates (0 ≤ x ≤ 1). Comput. Theor. Chem. 2012, 999, 13–20.

Somoano, R. B.; Hadek, V.; Rembaum, A. Alkali metal intercalates of molybdenum disulfide. J. Chem. Phys. 1973, 58, 697–701.

Gregory, T. D.; Hoffman, R. J.; Winterton, R. C. Nonaqueous electrochemistry of magnesium: Applications to energy storage. J. Electrochem. Soc. 1990, 137, 775–780.

Bruce, P. G.; Krok, F.; Nowinski, J.; Gibson, V. C.; Tavakkoli, K. Chemical intercalation of magnesium into solid hosts. J. Mater. Chem. 1991, 1, 705–706.

Koski, K. J.; Wessells, C. D.; Reed, B. W.; Cha, J. J.; Kong, D. S.; Cui, Y. Chemical intercalation of zerovalent metals into 2D layered Bi₂Se₃ nanoribbons. J. Am. Chem. Soc. 2012, 134, 13773–13779.

Xi, X. X.; Zhao, L.; Wang, Z. F.; Berger, H.; Forró, L.; Shan, J.; Mak, K. F. Strongly enhanced charge-density-wave order in monolayer NbSe₂. Nat. Nanotechnol. 2015, 10, 765–769.

Klemm, R. A. Pristine and intercalated transition metal dichalcogenide superconductors. Phys. C: Supercond. Appl. 2015, 514, 86–94.

Hossain, M.; Zhao, Z. Y.; Wen, W.; Wang, X. S.; Wu, J. X.; Xie, L. M. Recent advances in two-dimensional materials with charge density waves: Synthesis, characterization and applications. Crystals 2017, 7, 298.

Banerjee, A.; Garg, A.; Ghosal, A. Emergent superconductivity upon disordering a charge density wave ground state. Phys. Rev. B 2018, 98, 104206.

Lian, C. S.; Si, C.; Wu, J.; Duan, W. First-principles study of Na-intercalated bilayer NbSe₂: Suppressed charge-density wave and strain-enhanced superconductivity. Phys. Rev. B 2017, 96, 235426.

Wang, X. F.; Shen, X.; Wang, Z. X.; Yu, R. C.; Chen, L. Q. Atomic-scale clarification of structural transition of MoS₂ upon sodium intercalation. ACS Nano 2014, 8, 11394–11400.

Hui, J. S.; Burgess, M.; Zhang, J. R.; Rodríguez-López, J. Layer number dependence of Li⁺ intercalation on few-layer graphene and electrochemical imaging of its solid–electrolyte interphase evolution. ACS Nano 2016, 10, 4248–4257.

Song, M. K.; Hong, S. D.; No, K. T. The structure of lithium intercalated graphite using an effective atomic charge of lithium. J. Electrochem. Soc. 2001, 148, A1159–A1163.