• Acta Photonica Sinica
  • Vol. 53, Issue 12, 1225002 (2024)
Zijian WANG, Huiling ZUO, Meng WANG, Chenglin WANG, and Haiyan NAN*
Author Affiliations
  • School of Integrated Circuits,Jiangnan University,Wuxi 214112,China
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    DOI: 10.3788/gzxb20245312.1225002 Cite this Article
    Zijian WANG, Huiling ZUO, Meng WANG, Chenglin WANG, Haiyan NAN. Optimization of Photodetector Performance in MoTe2/MoS2 Heterojunctions Based on Surface Engineering Regulation[J]. Acta Photonica Sinica, 2024, 53(12): 1225002 Copy Citation Text show less
    The intrinsic optoelectronic performance of the MoTe2/MoS2 heterojunction photodetector
    Fig. 1. The intrinsic optoelectronic performance of the MoTe2/MoS2 heterojunction photodetector
    The optoelectronic performance of annealed MoTe2/MoS2 heterojunction photodetectors
    Fig. 2. The optoelectronic performance of annealed MoTe2/MoS2 heterojunction photodetectors
    Optoelectronic performance of MoTe2/MoS2 heterojunction devices after F4-TCNQ and R6G doping
    Fig. 3. Optoelectronic performance of MoTe2/MoS2 heterojunction devices after F4-TCNQ and R6G doping
    Comparison of response time of MoTe2/MoS2 heterojunction devices before and after F4-TCNQ doping
    Fig. 4. Comparison of response time of MoTe2/MoS2 heterojunction devices before and after F4-TCNQ doping
    Device structureMeasurement conditionsResponsivity/(mA·W-1Detectivity/JonesResponse timeReference
    MoTe2/Si

    λ=700 nm

    Vds=0 V

    0.261.6×1012

    tr=5 μs

    tf=8 μs

    19
    MoTe2/Grapheneλ=915 nm12 4603.3×1012

    tr=5 ms

    tf=5 ms

    20
    Graphene/InSe/MoS2

    λ=532 nm

    Vds<0 V

    0.111.08×1010

    tr<1 ms

    tf<1 ms

    21
    MoTe2/Ge

    Near-infrared region

    Vds=0 V

    4.875.02×1011

    tr=7 μs

    tf=4 μs

    22
    MoTe₂/MoS₂

    λ=637 nm

    Vds=-2 V

    0.234.75×1011

    tr=77 μs

    tf=72 μs

    Proposed
    Table 1. Research progress on performance of heterojunction optoelectronic devices of the same kind
    Zijian WANG, Huiling ZUO, Meng WANG, Chenglin WANG, Haiyan NAN. Optimization of Photodetector Performance in MoTe2/MoS2 Heterojunctions Based on Surface Engineering Regulation[J]. Acta Photonica Sinica, 2024, 53(12): 1225002
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