图1 六方晶系MoS2三种晶型的结构模型

Fig. 1 Three kinds of hexagonal MoS2 crystal structure model

图2 (a) MoS2空心微米球和纳米球的结合体的SEM照片[5]; (b) 玫瑰花瓣状MoS2的SEM照片[6]; (c) MoO3-MoS2核-壳纳米线的SEM照片[7]

Fig. 2 (a) SEM images of a hollow MoS2 micro@nano- spheres[5]; (b) Rose-petal-shaped MoS2 hierarchical nanostructures[6]; (c) Core-shell MoO3-MoS2 nanowires[7]

图3 (a) LPCVD 设备实验装置图和(b) 生长温度为530℃时三角型单层MoS2薄片的SEM照片[16]

Fig. 3 (a) Experimental setup of the LPCVD system and (b) SEM image of MoS2 triangular flakes grown under temperature of 530℃[16]

图4 MoS2薄膜的TEM照片[19]

Fig. 4 TEM image of MoS2 films[19]

图5 (a)化学剥离层状MoS2设备实验装置图[22], (b)电化学剥离块状MoS2晶体的实验装置图[23], (c)单层MoS2的AFM照片[24]和(d) MoS2量子点点缀的MoS2纳米片的实验装置图[25]

Fig. 5 (a) Experimental setup of the chemically exfoliated MoS2 system[22]; (b) Schematic illustration of experimental setup for electrochemical exfoliation of bulk MoS2 crystal[23]; (c) AFM image of single-layer MoS2[24]; (d) Schematic representation of the synthesis procedure to obtain MoS2 quantum dots interspersed in MoS2 nanosheets[25]

图6 (a)电沉积/化学方法合成2H- MoS2纳米带设备实验装置图[27]和(b)双重螺旋二十四面体MoS2的合成过程、结构模型[28]

Fig. 6 (a) Electrochemical/chemical method for synthesizing 2H-MoS2 nanoribbons[27] and (b) synthesis procedure and structural model for double-gyroid MoS2[28]

图7 溶剂法合成MoS2粒子的原理图[33]

Fig. 7 Schematic solvothermal synthesis with MoS2 particles[33]

图8 (a) 甲基蓝水溶液(MoS2@SnO2纳米花)降解前后的UV-Vis吸收图谱[37]和(b)甲基蓝水溶液(MoS2@ZnO纳米异质结)降解前后的UV-Vis吸收图谱[38]

Fig. 8 (a) UV-Vis absorption spectra of a MB solution at room temperature in the presence of MoS2@SnO2 nanoflowers[37], (b) UV-Vis absorption spectra of MB solution in the presence of MoS2@ZnO nano-heterojunctions[38]

图9 (a) MoS2/石墨烯异质结器件的示意图[40]和(b) 单层MoS2光电探测器的三维示意图[41]

Fig. 9 (a) Schematic illustration of a MoS2/graphene heterojunction device[40] and (b) three-dimensional schematic view of the single-layer MoS2 photodetector[41]

图10 (a)单层MoS2的集成电路[43]和(b)双层MoS2晶体管的集成电路[44]

Fig. 10 (a) Integrated circuit based on single-layer MoS2 [43] and (b) integrated circuit based on bilayer MoS2 transistors[44]

图11 (a)葡萄糖氧化酶和MoS2纳米片检测葡萄糖的示意图[46], (b)MoS2-IO-PEG的活体光照疗法示意图[47]和(c) MoS2-硫堇电化学传感器检测DNA的示意图[48]

Fig. 11 (a) Schematic illustration of colorimetric detection of glucose by using glucose oxidase (GOx) and MoS2 nanosheet[46], (b) schematic illustration of MoS2-IO-PEG in vivo photothermal therapy[47] and (c) schematic illustration of detection of DNA on MoS2-thionin electrochemical sensors[48]

图12 (a) 三维MoS2/PANI和MoS2/C 纳米花的阻抗图谱[52], (b)商用MoS2和海胆状MoS2/OLC纳米材料的阻抗图谱[53]

Fig. 12 (a) Nyquist plots of the 3D hierarchical MoS2/PANI and MoS2/C nanoflowers[52], and (b) nyquist plots of the commercial MoS2 and the synthesized MoS2/OLC nano-urchins[53]The inset in (b) is the applied equivalent circuit