Mxenes/WSSe heterojunction photodetector with ultrahigh sensitivity and accuracy
Source abstract
Abstract
Density functional theory is used in this work to examine the photoelectric properties of the Hf 2 CO 2 /WSSe and the Zr 2 CO 2 /WSSe. The calculation results show that these heterojunctions have significant peaks of absorption in the visible region compared with intrinsic materials, indicating that they can effectively capture visible light. Furthermore, the change of Gibbs free energy tends to zero, which is beneficial to the spontaneous reaction of electrocatalytic water splitting to produce H 2 . Interestingly, by calculating photocurrent, we found that the maximum photocurrent of the Hf 2 CO 2 /WSSe reached 14.09 a 0 2 /photon, and that of the Zr 2 CO 2 /WSSe up to 47.02 a 0 2 /photon, which showed extremely high photoelectric response sensitivity, making Hf 2 CO 2 /WSSe and the Zr 2 CO 2 /WSSe can be used to design high-performance photodetector.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Perovskite Materials and Applications · 2D Materials and Applications · Chalcogenide Semiconductor Thin Films
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (66)
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