Self-Powered Broadband (UV-NIR) Photodetector Based on 3C-SiC/Si Heterojunction
Article
Article Title | Self-Powered Broadband (UV-NIR) Photodetector Based on 3C-SiC/Si Heterojunction |
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ERA Journal ID | 4451 |
Article Category | Article |
Authors | Foisal, Abu Riduan Md (Author), Dinh, Toan (Author), Nguyen, Thanh Viet (Author), Tanner, Philip (Author), Phan, Hoang-Phuong (Author), Nguyen, Tuan-Khoa (Author), Haylock, Ben (Author), Streed, Erik W. (Author), Lobino, Mirko (Author) and Dao, Dzung Viet (Author) |
Journal Title | IEEE Transactions on Electron Devices |
Journal Citation | 66 (4), pp. 1804-1809 |
Number of Pages | 6 |
Year | 2019 |
Place of Publication | United States |
ISSN | 0018-9383 |
1557-9646 | |
Digital Object Identifier (DOI) | https://doi.org/10.1109/TED.2019.2899742 |
Web Address (URL) | https://ieeexplore.ieee.org/document/8653954 |
Abstract | Self-powered photodetectors (PDs) are highly desirable for many applications, ranging from smart cities to optical communications. Herein, we report on a selfpowered broadband [UV to near-infrared (NIR)] PD based on a single-crystalline SiC (100)/Si (100) heterojunction. In self-powered photovoltaic detection mode, the detector exhibits a high responsivity (2500 V/W at 8.0 x 10 -6 W/cm 2 , 521 nm) and specific detectivity (~1013 Jones at 8.0 x 10 -6 W/cm 2 , 521 nm) under UV, visible, and NIR spectral illuminations thanks to the superior rectification property of the heterojunction which results in significantly reducing the dark current. The device also shows high illumination ON/OFF switching ratios, as high as 2.2x10 7 , with an excellent stability and repeatability. A detailed insight about electron- hole pairs generation, separation, and Fermi-energy level shifting at different illumination conditions has been elucidated via energy band diagrams. |
Keywords | 3C-SiC/Si heterojunction; broadband detector; energy band analysis; highly rectifying; self-powered |
ANZSRC Field of Research 2020 | 401705. Microelectromechanical systems (MEMS) |
Public Notes | Files associated with this item cannot be displayed due to copyright restrictions. |
Byline Affiliations | Griffith University |
Institution of Origin | University of Southern Queensland |
https://research.usq.edu.au/item/q5q10/self-powered-broadband-uv-nir-photodetector-based-on-3c-sic-si-heterojunction
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