Infrared and Laser Engineering, Volume. 51, Issue 1, 20210823(2022)
Localized field enhanced graphene-based near-infrared photodetector (Invited)
Fig. 1. Typical structure of single absorption layer graphene detector based on localized filed enhancement. (a) Structural diagram of the graphene/PbS phototransistor; (b) Structural diagram of the graphene/perovskite phototransistor; (c) Structural diagram of the graphene/PDVF phototransistor; (d) Structural diagram of the graphene/MoTe2 phototransistor
Fig. 3. Typical structures of graphene detectors enhanced by localized field with double absorption layers. (a) Structural diagram of the graphene/PTCDA/pentacene phototransistor[15]; (b) Structural diagram of the graphene/PTAA/perovskite phototransistor[16]; (c) Structural diagram of the graphene/
Fig. 4. Injection layer structure NIR graphene/organic phototransistor. (a) Structural diagram; (b) Pulse signals in calm state and after exercise[21]
Fig. 5. Graphene heterojunction device with all-optically modulated photonic synapses function. (a) Device heterostructure diagram of the photonic synapse;(b) EPSC and IPSC of the device triggered by an optical pulse with wavelengths of 980 and 450 nm, respectively[22]
Fig. 6. Visible and near infrared bidirectional light modulation. (a) Variation of photocurrent of visible Light under Near-infrared Modulation (5 nm
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Jun Wang, Meiyu He, Xingwei Han, Chao Han, Jiayue Han. Localized field enhanced graphene-based near-infrared photodetector (Invited)[J]. Infrared and Laser Engineering, 2022, 51(1): 20210823
Category: Infrared technology and application
Received: Oct. 10, 2021
Accepted: --
Published Online: Mar. 8, 2022
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