Solution-Processed NiO/Si Heterojunctions for Efficient Self-Powered UV–Vis-NIR Broadband Photodetection
Shuhui Jiang,
Chenyu Wang,
Chenglin Zhang
et al.
Abstract:In the current work, efficient self-powered UV−vis-near-infrared (NIR) broadband NiO/Si heterojunction photodetectors have been fabricated by room-temperature spin-coating synthesis of a wide bandgap NiO nanocrystal thin film on an n-type Si substrate. Structural properties and atomic binding energy studies suggested that Ni vacancy defects were formed in the NiO nanocrystal thin films, verifying their p-type conductivity, which facilitated the formation of a p−n junction at the NiO/Si interface. Further studi… Show more
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