Mechanism and Verification of Photoelectric Regulation Characteristics of Two-Dimensional Photodetectors
Two-dimensional photodetectors have an important property that can improve the optical effect by adjusting the Fermi level, and have outstanding development prospects in the field of visible-infrared photoelectric detection. Here, combined with the surface electronic properties of two-dimensional ma...
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| Format: | Article |
| Language: | English |
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IEEE
2025-01-01
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| Series: | IEEE Photonics Journal |
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| Online Access: | https://ieeexplore.ieee.org/document/10979879/ |
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| author | Jiapeng Zhen Shuai Huang Silin Guo Danping Zhang Kehong Lv Jing Qiu Guanjun Liu |
| author_facet | Jiapeng Zhen Shuai Huang Silin Guo Danping Zhang Kehong Lv Jing Qiu Guanjun Liu |
| author_sort | Jiapeng Zhen |
| collection | DOAJ |
| description | Two-dimensional photodetectors have an important property that can improve the optical effect by adjusting the Fermi level, and have outstanding development prospects in the field of visible-infrared photoelectric detection. Here, combined with the surface electronic properties of two-dimensional materials, we analyzed the physical mechanism of the photoelectric effect of a photodetector based on two-dimensional materials. By simulating the light waves of different wavelengths induced on the surface of the photodetector, the changes of its conductivity and absorption rate were analyzed. Since the channel material has an electrically tunable Fermi level, the surface electric field will also be regulated with the Fermi level. Finally, we verified its photoelectric performance by preparing a trilayer graphene device. The results show that the light response of the trilayer graphene photodetector reaches the maximum at 1550 nm, and the surface photoelectric electric field distribution is affected by the Fermi level regulation. Our results show that the performance of graphene photodetectors can be efficiently regulated by Fermi level, which provides theoretical support for the performance improvement and material upgrading of photodetectors in the future. |
| format | Article |
| id | doaj-art-e3f2b74941214bd1b46e08fa3a145da0 |
| institution | OA Journals |
| issn | 1943-0655 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | IEEE |
| record_format | Article |
| series | IEEE Photonics Journal |
| spelling | doaj-art-e3f2b74941214bd1b46e08fa3a145da02025-08-20T02:15:34ZengIEEEIEEE Photonics Journal1943-06552025-01-011731510.1109/JPHOT.2025.356527710979879Mechanism and Verification of Photoelectric Regulation Characteristics of Two-Dimensional PhotodetectorsJiapeng Zhen0https://orcid.org/0000-0002-5321-6337Shuai Huang1Silin Guo2Danping Zhang3Kehong Lv4Jing Qiu5Guanjun Liu6College of Intelligence Science and Technology, National University of Defense Technology, Changsha, ChinaCollege of Intelligence Science and Technology, National University of Defense Technology, Changsha, ChinaCollege of Intelligence Science and Technology, National University of Defense Technology, Changsha, ChinaCollege of Intelligence Science and Technology, National University of Defense Technology, Changsha, ChinaCollege of Intelligence Science and Technology, National University of Defense Technology, Changsha, ChinaCollege of Intelligence Science and Technology, National University of Defense Technology, Changsha, ChinaCollege of Intelligence Science and Technology, National University of Defense Technology, Changsha, ChinaTwo-dimensional photodetectors have an important property that can improve the optical effect by adjusting the Fermi level, and have outstanding development prospects in the field of visible-infrared photoelectric detection. Here, combined with the surface electronic properties of two-dimensional materials, we analyzed the physical mechanism of the photoelectric effect of a photodetector based on two-dimensional materials. By simulating the light waves of different wavelengths induced on the surface of the photodetector, the changes of its conductivity and absorption rate were analyzed. Since the channel material has an electrically tunable Fermi level, the surface electric field will also be regulated with the Fermi level. Finally, we verified its photoelectric performance by preparing a trilayer graphene device. The results show that the light response of the trilayer graphene photodetector reaches the maximum at 1550 nm, and the surface photoelectric electric field distribution is affected by the Fermi level regulation. Our results show that the performance of graphene photodetectors can be efficiently regulated by Fermi level, which provides theoretical support for the performance improvement and material upgrading of photodetectors in the future.https://ieeexplore.ieee.org/document/10979879/Conductivityfermi levelphotoelectric theorysurface electric field |
| spellingShingle | Jiapeng Zhen Shuai Huang Silin Guo Danping Zhang Kehong Lv Jing Qiu Guanjun Liu Mechanism and Verification of Photoelectric Regulation Characteristics of Two-Dimensional Photodetectors IEEE Photonics Journal Conductivity fermi level photoelectric theory surface electric field |
| title | Mechanism and Verification of Photoelectric Regulation Characteristics of Two-Dimensional Photodetectors |
| title_full | Mechanism and Verification of Photoelectric Regulation Characteristics of Two-Dimensional Photodetectors |
| title_fullStr | Mechanism and Verification of Photoelectric Regulation Characteristics of Two-Dimensional Photodetectors |
| title_full_unstemmed | Mechanism and Verification of Photoelectric Regulation Characteristics of Two-Dimensional Photodetectors |
| title_short | Mechanism and Verification of Photoelectric Regulation Characteristics of Two-Dimensional Photodetectors |
| title_sort | mechanism and verification of photoelectric regulation characteristics of two dimensional photodetectors |
| topic | Conductivity fermi level photoelectric theory surface electric field |
| url | https://ieeexplore.ieee.org/document/10979879/ |
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