A self-powered high-performance graphene/silicon ultraviolet photodetector with ultra-shallow junction: breaking the limit of silicon?
Optoelectronics: Graphene breaks limit of silicon-based UV detection A high-performance graphene/silicon ultraviolet (UV) photodetector significantly increases the upper-limit of traditional silicon-based UV detectors. A team led by Yang Xu at China’s Zhejiang University fabricated silicon-based UV...
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Nature Portfolio
2017
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oai:doaj.org-article:5ffb3f7e230c4261937f4ebc80feeb752021-12-02T14:18:34ZA self-powered high-performance graphene/silicon ultraviolet photodetector with ultra-shallow junction: breaking the limit of silicon?10.1038/s41699-017-0008-42397-7132https://doaj.org/article/5ffb3f7e230c4261937f4ebc80feeb752017-04-01T00:00:00Zhttps://doi.org/10.1038/s41699-017-0008-4https://doaj.org/toc/2397-7132Optoelectronics: Graphene breaks limit of silicon-based UV detection A high-performance graphene/silicon ultraviolet (UV) photodetector significantly increases the upper-limit of traditional silicon-based UV detectors. A team led by Yang Xu at China’s Zhejiang University fabricated silicon-based UV detectors using graphene with unique UV absorption property, leading to ultra-long lifetime of hot carriers that contribute to photocurrent, and even to carrier multiplication. In the near- and mid-UV regime, the improved performance parameters are photocurrent responsivity (0.20 A W−1), response time (<5 ns), specific detectivity (1.6 × 1013 Jones), and IQE (>100%). The key metrics of graphene/Si detector outperform those of UV detectors based on Si, GaN, SiC, etc. These results show great promise in applications such as wearable devices, secured mobile communication, and “dissipation-less” remote sensor networks.Xia WanYang XuHongwei GuoKhurram ShehzadAyaz AliYuan LiuJianyi YangDaoxin DaiCheng-Te LinLiwei LiuHung-Chieh ChengFengqiu WangXiaomu WangHai LuWeida HuXiaodong PiYaping DanJikui LuoTawfique HasanXiangfeng DuanXinming LiJianbin XuDeren YangTianling RenBin YuNature PortfolioarticleMaterials of engineering and construction. Mechanics of materialsTA401-492ChemistryQD1-999ENnpj 2D Materials and Applications, Vol 1, Iss 1, Pp 1-8 (2017) |
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DOAJ |
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Materials of engineering and construction. Mechanics of materials TA401-492 Chemistry QD1-999 |
| spellingShingle |
Materials of engineering and construction. Mechanics of materials TA401-492 Chemistry QD1-999 Xia Wan Yang Xu Hongwei Guo Khurram Shehzad Ayaz Ali Yuan Liu Jianyi Yang Daoxin Dai Cheng-Te Lin Liwei Liu Hung-Chieh Cheng Fengqiu Wang Xiaomu Wang Hai Lu Weida Hu Xiaodong Pi Yaping Dan Jikui Luo Tawfique Hasan Xiangfeng Duan Xinming Li Jianbin Xu Deren Yang Tianling Ren Bin Yu A self-powered high-performance graphene/silicon ultraviolet photodetector with ultra-shallow junction: breaking the limit of silicon? |
| description |
Optoelectronics: Graphene breaks limit of silicon-based UV detection A high-performance graphene/silicon ultraviolet (UV) photodetector significantly increases the upper-limit of traditional silicon-based UV detectors. A team led by Yang Xu at China’s Zhejiang University fabricated silicon-based UV detectors using graphene with unique UV absorption property, leading to ultra-long lifetime of hot carriers that contribute to photocurrent, and even to carrier multiplication. In the near- and mid-UV regime, the improved performance parameters are photocurrent responsivity (0.20 A W−1), response time (<5 ns), specific detectivity (1.6 × 1013 Jones), and IQE (>100%). The key metrics of graphene/Si detector outperform those of UV detectors based on Si, GaN, SiC, etc. These results show great promise in applications such as wearable devices, secured mobile communication, and “dissipation-less” remote sensor networks. |
| format |
article |
| author |
Xia Wan Yang Xu Hongwei Guo Khurram Shehzad Ayaz Ali Yuan Liu Jianyi Yang Daoxin Dai Cheng-Te Lin Liwei Liu Hung-Chieh Cheng Fengqiu Wang Xiaomu Wang Hai Lu Weida Hu Xiaodong Pi Yaping Dan Jikui Luo Tawfique Hasan Xiangfeng Duan Xinming Li Jianbin Xu Deren Yang Tianling Ren Bin Yu |
| author_facet |
Xia Wan Yang Xu Hongwei Guo Khurram Shehzad Ayaz Ali Yuan Liu Jianyi Yang Daoxin Dai Cheng-Te Lin Liwei Liu Hung-Chieh Cheng Fengqiu Wang Xiaomu Wang Hai Lu Weida Hu Xiaodong Pi Yaping Dan Jikui Luo Tawfique Hasan Xiangfeng Duan Xinming Li Jianbin Xu Deren Yang Tianling Ren Bin Yu |
| author_sort |
Xia Wan |
| title |
A self-powered high-performance graphene/silicon ultraviolet photodetector with ultra-shallow junction: breaking the limit of silicon? |
| title_short |
A self-powered high-performance graphene/silicon ultraviolet photodetector with ultra-shallow junction: breaking the limit of silicon? |
| title_full |
A self-powered high-performance graphene/silicon ultraviolet photodetector with ultra-shallow junction: breaking the limit of silicon? |
| title_fullStr |
A self-powered high-performance graphene/silicon ultraviolet photodetector with ultra-shallow junction: breaking the limit of silicon? |
| title_full_unstemmed |
A self-powered high-performance graphene/silicon ultraviolet photodetector with ultra-shallow junction: breaking the limit of silicon? |
| title_sort |
self-powered high-performance graphene/silicon ultraviolet photodetector with ultra-shallow junction: breaking the limit of silicon? |
| publisher |
Nature Portfolio |
| publishDate |
2017 |
| url |
https://doaj.org/article/5ffb3f7e230c4261937f4ebc80feeb75 |
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