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Start Over Author "Chen, Shirong" Publisher elsevier bv
12 results on '"Chen, Shirong"'

6. Evaluation of 18F-PSMA-1007 PET/CT in prostate cancer patients with biochemical recurrence after radical prostatectomy

Author

Zhou, Xing, primary, Jiang, Xiao, additional, Liu, Luzhou, additional, Wang, Xiaoxiong, additional, Li, Chuan, additional, Yao, Yutang, additional, Kou, Ying, additional, Shen, Jiaqi, additional, Shen, Taipeng, additional, Li, Zeng, additional, Yang, Shengke, additional, Zhou, Shukui, additional, Liao, Hong, additional, Luo, Zhifu, additional, Wu, Xiaoai, additional, Chen, Shirong, additional, and Cheng, Zhuzhong, additional

Published
2022
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9. High responsivity and high-speed 1.55 μm infrared photodetector from self-powered graphene/Si heterojunction

Author

Chen Shirong, Yuan Dong, Yongqiang Yu, Kewei Xu, Gaobin Xu, Chunxiao Wang, Zhijian Lu, Xiaoyun Zhao, and Yuanming Ma

Subjects
Materials science, Fabrication, Photodetector, 02 engineering and technology, 01 natural sciences, law.invention, Responsivity, law, 0103 physical sciences, Electrical and Electronic Engineering, Absorption (electromagnetic radiation), Instrumentation, 010302 applied physics, business.industry, Graphene, Metals and Alloys, Schottky diode, Heterojunction, 021001 nanoscience & nanotechnology, Condensed Matter Physics, Surfaces, Coatings and Films, Electronic, Optical and Magnetic Materials, Optoelectronics, 0210 nano-technology, business, Visible spectrum
Abstract

Graphene has shown great potentials for new-generation photodetectors in view of its outstanding optical and electrical properties, especially its ultra-broad range absorption. Most of graphene(Gr)/Si hybrid two-dimensional(2D)-three-dimensional(3D) photodetectors, which offer a perspective on future application in integrated optoelectronics, are still however enabled the excellent detection on visible light. Herein, we reported a self-powered Gr/Si Schottky heterojunciton with a high sensivity to communication light of 1.55 μm wavelenght by using graphene film as active area. The resultant photodetectors showed a high-speed response speed up to 5.0 μs, togther with a responsivity approaching 39.5 mAW−1, which are comparable with previous graphene-based photodetectors and superior to previous Gr/Si heterojunction. The high-performance of the schottky heterojunction can be ascribed to featuring a built-in field facilitating to separate photocarriers. Combined our results with the methodology of devcie fabrication, can be utilized as pathway for large-area integration of 1.55 μm communication light photodetectors.

Published
2019

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