[1] [1] YU B, YIN G, ZHU C,et al.. Optical nonlinear properties of PbS nanoparticles studied by the Z-scan technique ［J］. Optical Materials,1998,11:17-21.

[2] [2] LI C, SHI G, XU O, GUANG S,et al.. Nonlinear optical properties of the PbS nanorods synthesized via surfactant-assisted hydrolysis ［J］. Materials Letters,2007,61: 1809-1811.

[3] [3] DING T, ZHANG J R, LONG S,et al.. Synthesis of HgS and PbS nanocrystals in a polyol solvent by microwave heating ［J］. Microelectronic Engineering,2003,66:46-52.

[4] [4] WU M, ZHONG H, JIAO Z,et al.. Synthesis of PbS nanocrystallites by electron beam irradiation ［J］. Colloids and Surfaces A: Physicochem. Eng. Aspects,2008:35-39.

[5] [5] ZHAO Y, LIAO X H, HONG J M,et al.. Synthesis of lead sulfide nanocrystals via microwave and sonochemical methods ［J］. Materials Chemistry and Physics,2004,87:149-153.

[6] [6] ASUNSKIS D J, BOLOTIN I L, HANLEY L. Nonlinear optical properties of PbS nanocrystals grown in polymer solutions ［J］. J. Phys. Chem. C,2008,112:9555-9558.

[7] [7] ZHAO X, GORELIKOV I, MUSIKHIN S,et al.. Synthesis and optical properties of thiol-stabilized PbS nanocrystals［J］. Langmuir,2005,21:1086-1090.

[8] [8] BAKUEVA L, GORELIKOV I, MUSIKHIN S,et al.. PbS quantum dots with stable efficient luminescence in the near-IR spectral rang ［J］. Advanced Materials,2004: 926-929.