Enhanced photoresponse by plasmon resonance in Ni-WS2/Si photodiode
Source abstract
Abstract
Abstract Two-dimensional transition metal dichalcogenides have shown promising photodetection applications in visible region due to strong light matter interaction. Herein, we have attempted to produce Ni-WS 2 nanocomposite with improved surface plasmon resonance assisted light absorption for subsequent fabrication of Ni-WS 2 /Si heterojunction . Fabricated Ni-WS 2 /Si photodiode shows obvious current rectification with 1.1 ideality factor. Photodiodes have shown obvious photovoltaic activities under illumination of visible light and remarkable photoswitching ability with high photoresponsivity of 0.87A/W, specific detectivity of 1.8 × 10 11Jones and external quantum efficiency of 161% at -1 V bias. Encouragingly, photodiodes have served nicely as fast and highly stable photoswitch with response time of as low as 63 ms. Photoswitching abilities have been found to be stable even after prolonged illumination time of 2500s as well as over several cycles of periodic illumination. Overall, present finding advocates a significant development in opto-electronics due to plasmonic improvement and optimized device configuration.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: 2D Materials and Applications · Chalcogenide Semiconductor Thin Films · Nanowire Synthesis and Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (45)
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