蔡青，现为南京大学电子科学与工程学院助理教授/特聘研究员，博士生导师。分别于2015年和2020年在南京大学获得学士学位和博士学位。研究领域为宽禁带半导体光电子器件，在Nature Commun、Light、IEEE EDL/TED、APL等国际期刊发表SCI论文50余篇。获中国电子学会优秀博士学位论文、2022年度Light杰出论文奖等。主持国家科技重大专项课题、国家自然科学基金面上/青年、国家重点研发计划子课题等项目。长期担任Light、IEEE EDL、APL、AOM等国际期刊审稿人。

1. 宽禁带半导体光电子器件；2. III族氮化物半导体异质结构；3. 宽禁带及超宽禁带半导体紫外光电探测器。

半导体工艺技术导学

1. Jinjie Zhu, Qing Cai*, Pengfei Shao, Shengjie Zhang, Haifan You, Hui Guo, Jin Wang, Junjun Xue, Bin Liu, Hai Lu, Youdou Zheng, Rong Zhang and Dunjun Chen*, Observation of Ultraviolet Photothermoelectric Bipolar Impulse in Gallium-Based Heterostructure Nanowires,Nature Communications, 16, 1, 1186 (2025)

2. Qing Cai, Haifan You, Hui Guo, Jin Wang, Bin Liu, Zili Xie, Dunjun Chen, Hai Lu, Youdou Zheng and Rong Zhang*,Progress on AlGaN-based Solar-Blind Ultraviolet Photodetectors and Focal Plane Arrays,Light: Science & Applications, 10, 1, 94 (2021)

3. Qing Cai, Saisai Wang, Huiqing Zhao, Jinjie Zhu, Haifan You,Bin Liu, Hai Lu, Youdou Zheng, Rong Zhang and Dunjun Chen*, Design of Band-Engineered Bidirectional Avalanche Photodetector Enabling Switchable Dual-Band Ultraviolet Detection,IEEE Electron Device Letters, 46, 8, 1285-1288 (2025)

4. Huiqin Zhao, Qing Cai*, Jiarui Guo, Linling Xu, Haifan You, Jiandong Ye, Hai Lu, Youdou Zheng, Rong Zhang and Dunjun Chen, p-NiO Gate-Engineered AlGaN/GaN UV Phototransistor With Enhanced Photogating for Visible-Blind Detection, IEEE Electron Device Letters, 47, 6, 1169-1172 (2026)

5. Jinjie Zhu, Qing Cai*, Pengfei Shao, Haifan You, Hui Guo, Jin Wang, Junjun Xue*, Bin Liu, Hai Lu, Zili Xie, Youdou Zheng, Rong Zhang and Dunjun Chen*, Ultrasensitive Polarization-Dependent Ultraviolet Detection Enabled by Electrical and Optical Anisotropies, Applied Physics Letters, 127, 031105 (2025)

6. Qing Cai, Weike Luo, Qian Li, Mo Li, Dunjun Chen*, Hai Lu, Rong Zhang, and Youdou Zheng, AlGaN Ultraviolet Avalanche Photodiodes Based on a Triple-mesa Structure, Applied Physics Letters, 113, 12,123503 (2018)

7. Ruining Tan, Qing Cai*, Jin Wang, Danfeng Pan, Zheyang Li and Dunjun Chen,Highly Solar-Blind Ultraviolet Selective Metal-Semiconductor-Metal Photodetector Based on Back-Illuminated AlGaN Heterostructure with Integrated Photonic Crystal Filter,Applied Physics Letters, 118, 14, 142105 (2021)

8. Jiying Cao#, Qing Cai#, Haifan You, Pengfei Shao, Jin Wang, Hui Guo, Junjun Xue, Bin Liu, Zili Xie, Xun Cao, Hai Lu, Youdou Zheng, Rong Zhang and Dunjun Chen*, Observation of Photoelectric-Induced Microplasma Avalanche Breakdown in AlGaN Ultraviolet Photodiode with Separate Absorption and Multiplication Structure,Applied Physics Letters, 123, 121109 (2023)

9. Qing Cai, Ting Zhi, Haifan You, Pengfei Shao, Kai Chen, Jin Wang, Hui Guo, Junjun Xue, Tao Tao, Bin Liu, Zili Xie, Xun Cao, Hai Lu, Youdou Zheng, Rong Zhang* and Dunjun Chen*, Ultrahigh Sensitivity Solar-Blind UV Detection via Multistage-Concentric-Annulus Architecture Metasurface, Advanced Optical Materials, 12, 2, 2301333 (2024)

10. Qing Cai, Haifan You, Qianyu Hou, Tao Tao, Zili Xie, Xun Cao, Bin Liu, Dunjun Chen*, Hai Lu, Rong Zhang and Youdou Zheng, Self-Assembly Nanopillar/Superlattice Hierarchical Structure: Boosting AlGaN Crystalline Quality and Achieving High-Performance Ultraviolet Avalanche Photodetector, ACS Applied Materials & Interfaces, 14, 29, 33525-33537 (2022)