Journal
POLYMER
Volume 165, Issue -, Pages 168-173Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.polymer.2019.01.028
Keywords
MoS2 -PANI; Hydrothermal; Photoresponsivity
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Funding
- Science and Engineering Research Board (SERB) [ECR/2017/001222]
- Department of Science and Technology (DST), New Delhi, India
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MoS2-PANI hybrid structure were synthesized by insitu polymerization of hydrothermally synthesized MoS2 nanosheets with PANI for its application in photodetectors. Field-Emission Scanning Electron Microscopy (FESEM), High-Resolution Transmission Electron Microscopy (HRTEM), X-Ray Diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR) and UV-vis spectroscopy delete were performed to characterize the synthesized sample. The optical sensor of MoS2-PANI hybrid structure were fabricated and altogether studied using laser excitation wavelengths (lambda(ex)): 635 nm (red), 785 nm (infra-red) and 1064 nm (near infra-red). The evaluated value of photoresponsivity of hybrid structure is quite high compared to the previously reported MoS2 nanosheets based optical sensor. At 785 nm, maximum photoresponsivity of 25 A/W is observed at fixed power density of 1.4 mW/mm(2). The photoresponsive characteristics of MoS2-PANI hybrid structure were examined as a function of optical power density.
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