[1] [1] Gao Z B, Tao F, Ren J. Unusually low thermal conductivity of atomically thin 2D tellurium［J］. Nanoscale, 2018, 10(27): 12997-13003.

[2] [2] Rashid Z, Nissimagoudar A S, Li W. Phonon transport and thermoelectric properties of semiconducting Bi2Te2X (X = S, Se, Te) monolayers［J］. Physical Chemistry Chemical Physics, 2019, 21(10): 5679-5688.

[3] [3] Yin Y N, Baskaran K, Tiwari A. A review of strategies for developing promising thermoelectric materials by controlling thermal conduction［J］. Physica Status Solidi (a), 2019, 216(14): 1800904.

[4] [4] Balandin A A, Ghosh S, Bao W Z, et al. Superior thermal conductivity of single-layer graphene［J］. Nano Letters, 2008, 8(3): 902-907.

[5] [5] Berber S, Kwon Y K, Tománek D. Unusually high thermal conductivity of carbon nanotubes［J］. Physical Review Letters, 2000, 84(20): 4613-4619.

[6] [6] Zhao L D, Lo S H, Zhang Y S, et al. Ultralow thermal conductivity and high thermoelectric figure of merit in SnSe crystals［J］. Nature, 2014, 508(7496): 373-377.

[7] [7] Lv B, Hu X, Liu X, et al. Thermal transport properties of novel two-dimensional CSe［J］. Phys Chem Chem Phys, 2020,22(32): 17833-17841.

[8] [8] Peng B, Zhang D Q, Zhang H, et al. The conflicting role of buckled structure in phonon transport of 2D group-IV and group-V materials［J］. Nanoscale, 2017, 9(22): 7397-7407.

[9] [9] Kresse G, Furthmüller J. Efficient iterative schemes for ab initio total-energy calculations using a plane-wave basis set［J］. Physical Review．B，Condensed Matter, 1996, 54(16): 11169-11186.

[10] [10] Blchl P E. Projector augmented-wave method［J］. Physical Review B, 1994, 50(24):17953.

[11] [11] Grimme S. Semiempirical GGA-type density functional constructed with a long-range dispersion correction［J］. Journal of Computational Chemistry, 2006, 27(15): 1787-1799.

[12] [12] Monkhorst H J, Pack J D. Special points for Brillonin-zone integrations［J］. Physical Review B, 1976, 13(12): 5188.

[13] [13] Li W, Carrete J, A Katcho N, et al. ShengBTE: a solver of the Boltzmann transport equation for phonons［J］. Computer Physics Communications, 2014, 185(6): 1747-1758.

[14] [14] Liu P F, Bo T, Xu J P, et al. First-principles calculations of the ultralow thermal conductivity in two-dimensional group-IV selenides［J］. Physical Review B, 2018, 98(23): 235426-235433.

[15] [15] Torres P l, Alvarez F X, Cartoixà X, et al. Thermal conductivity and phonon hydrodynamics in transition metal dichalcogenides from first-principles［J］. 2 d Materials, 2019, 6(3): 035002-035009.