Main > Photonics Research >  Volume 6 >  Issue 3 >  Page 03000220 > Article
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  • Received: Nov. 20, 2017

    Accepted: Jan. 18, 2018

    Posted: Jan. 23, 2018

    Published Online: Jul. 10, 2018

    The Author Email: Zhiyi Wei (zywei@iphy.ac.cn)

    DOI: 10.1364/PRJ.6.000220

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    Wenjun Liu, Ya-Nan Zhu, Mengli Liu, Bo Wen, Shaobo Fang, Hao Teng, Ming Lei, Li-Min Liu, Zhiyi Wei. Optical properties and applications for MoS2-Sb2Te3-MoS2 heterostructure materials[J]. Photonics Research, 2018, 6(3): 03000220

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  • Table 1. Effective Mass (m0) and Carrier Mobility (μ) of Monolayer and Heterostructure Materialsa

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    Table 1. Effective Mass (m0) and Carrier Mobility (μ) of Monolayer and Heterostructure Materialsa

      Effective Mass (m0)Carrier Mobility (cm2·V1·s1)
    UnitsCarrier Typemx*my*μxμy
    MoS2e0.7740.47823.8794.04
    h3.1950.5508.5451.76
    Sb2Te3e0.2910.1570.75×1041.91×104
    h0.2840.0760.69×1042.12×104
    MoS2-Sb2Te3-MoS2e0.4050.3151560.978474.63
    h0.4230.620798.871447.54
    Graphene-Sb2Te3-graphenee7.7629.86013.505.96
    h1.5531.656149.23357.62
  • Table 2. Intrinsic Carrier Concentration of Monolayer and Heterostructure Materialsa

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    Table 2. Intrinsic Carrier Concentration of Monolayer and Heterostructure Materialsa

      Carrier Concentration (m2)
    UnitsBandgap (eV)nixniy
    MoS21.7913143.8
    Sb2Te30.463.11×10121.58×1012
    MoS2-Sb2Te3-MoS20.355.13×10131.03×1014
    Graphene-Sb2Te3-graphene0.077.26×10161.13×1017
  • Table 3. Comparison of Fiber Lasers Based on Different Heterostructure SAs

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    Table 3. Comparison of Fiber Lasers Based on Different Heterostructure SAs

    MaterialsPulse duration (fs)SNR (dB)Modulation depth (%)Power (mW)References
    Graphene-Bi2Te3 heterostructure180067.418.98[55]
    Graphene-Bi2Te3 heterostructure83760.712.63.07[58]
    Graphene-Bi2Te3189940<5023.282.53[59]
    MoS2/graphene nanocomposites367053.738.3<2.16[60]
    Graphene/MoS28306010.85.85[61]
    Graphene/WS21120629.64.74[62]
    MoS2-Sb2Te3-MoS22867364.1720This work

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