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在职教师

张青

研究员、博士生导师

邮箱:q_zhang@pku.edu.cn

主页地址:http://www2.coe.pku.edu.cn/faculty/zhangqing/Home.html


研究和教育经历:

2016.04至今,特聘研究员,博导,北京大学

2011.01-2016.04,博士后,新加坡南洋理工大学物理与应用物理系

2007.09-2011.01,博士,清华大学物理系

2005.09-2007.09,博士生,中国科学院物理研究所

2001.09-2005.07,学士,中国科学技术大学 材料科学与工程系


教学:

《材料物理》(本科生) 承担学时 48学时/年

《现代光谱技术与应用》(研究生)承担学时48学时/年


科研方向:

主要从事低维半导体材料、光谱物理与激光器件的研究工作,近期关注的材料体系包括:1)新型金属卤化物钙钛矿半导体材料;2)二维半导体材料。


科研成果:

围绕低阈值微纳激光源,申请人近五年聚焦在具有高光学增益的半导体材料及物性研究,探索它们在光学微腔中的光与物质相互作用规律和调控机理。成果包括:1)实现钙钛矿半导体室温光子-激子强耦合,揭示强耦合辅助低阈值激射新机制,获得液氮温度以上连续光泵浦微纳绿色激光源;2)阐明准二维钙钛矿激光损耗和增益动力学机制及构效关系,提出二维为壳、三维为核的材料设计路径,实现超高光学增益自发放大辐射;3)发展低阈值和多波长微纳激光界面调控新机制,实现全彩色超强非线性光学信号输出,获得工作温度达400 K的连续光泵浦红色激光源。迄今在Nat. Mater.、Nat. Photon.、Adv. Mater.、NanoLett.等发表论文110余篇,并以通讯作者在Adv. Mater.、Nano Lett.、ACS Nano等撰写综述论文。


奖励与荣誉:

北京市杰出青年基金(2021)

纳米研究青年科学家奖(NR45, 2021)

北京大学优秀班主任(2021)

英国物理学会J. Phy. D: Appl. Phy.期刊EmergingLeader(2021)

斯坦福大学全球顶尖科学家(2020)

北京银行年度教师奖(2019)

英国皇家化学会J. Mater. Chem. C期刊EmergingInvestigator(2019)

中国化学会纳米化学新锐奖(2018)

海外高层次青年人才(2016)

担任中国材料研究学会青年工作委员会理事、Mat. Today. Phys.、Jphy.Photon.、《中国激光》、《半导体学报》、《发光学报》编委以及Photon.Res.、Sci. China Mater.等期刊客座编辑。


代表性论文:

1.L. Zhao, Y. Liang, X. Cai, J. Du, X. Wang, X. Liu, M. Wang*, Z. Wei*, J. Zhang, Q. Zhang*,"Engineering Near-Infrared Light Emission in Mechanically Exfoliated InSe Platelets through Hydrostatic Pressure for Multicolor Microlasing",Nano Lett.https://doi.org/10.1021/acs.nanolett.2c01127;

2.J. H. Li, G. W. Hu, L. N. Shi, N. He, D. Q. Li, Q. Y. Shang, Q.Zhang*, H. G. Fu, L. L. Zhou, W. Xiong*, J. G. Guan, J. Wang, S. L. He and L. Chen*, "Full-Color Enhanced Second Harmonic Generation Using Rainbow Trapping in Ultrathin Hyperbolic Metamaterials",Nat. Commun.12, 6425 (2021);

3.M. L. Li, Q. Y. Shang, C. Li, S. Li, Y. Liang, W. J. Yu, C. C. Wu, L. Y. Zhao, Y. G. Zhong, W. N. Du, X. X. Wu, Z. L. Jia, Y. Gao, H. Chen, X. F. Liu, S. J. Guo, Q. Liao, G. C. Xing, L. X. Xiao andQ. Zhang*, "High Optical Gain of Solution-Processed Mixed-Cation CsPbBr3 Thin Films towards Enhanced Amplified Spontaneous Emission",Adv. Funct. Mater.31, 2102210 (2021);

4.Q. Y. Shang,M. L.Li, L. Y.Zhao,D. W.Chen, S.Zhang, S. L.Chen, P.Gao, C.Shen, J.Xing, G. C.Xing, B.Shen, X.F.Liu, andQ.Zhang*,"Role of the Exciton–Polariton in a Continuous-Wave Optically Pumped CsPbBr3 Perovskite Laser",Nano Lett.20, 6636-6643 (2020);

5.Q. Y. Shang, C. Li, S. Zhang, Y. Liang, Z. Liu,andQ. Zhang*,"Enhanced Optical Absorption and Slowed Light of Reduced-Dimensional CsPbBr3Nanowire Crystal by Exciton–Polariton",Nano Lett.20, 2, 1023-1032(2020);

6.Y. Liang, Q. Y. Shang, Q. Wei, L. Y. Zhao, Z. Liu, J. Shi, Y. G. Zhong, J. Chen, Y. Gao, M. L. Li, X. F. Liu, G. C. Xing*,Q. Zhang*, "Lasing from Mechanically Exfoliated 2D Homologous Ruddlesden–Popper Perovskite Engineered by Inorganic Layer Thickness",Adv. Mater.1903030 (2019);

7.Y. H. Huan, J. P. Shi, X. L. Zou, Y. Gong, C. Y. Xie, Z. J. Yang,Z. P. Zhang, Y. Gao, Y. P. Shi, M. H. Li, P. F. Yang, S. L. Jiang, M. Hong, L. Gu, Q. Zhang*, X. Q. Yan*, and Y. F. Zhang*,"Scalable Production of Two-Dimensional Metallic Transition Metal Dichalcogenide Nanosheet Powders Using NaCl Templates toward Electrocatalytic Applications",J. Am. Chem. Soc.141, 18694–18703 (2019)

8.W. N. Du, S. Zhang, Q. Zhang*, and X. F. Liu*, Recent Progress of Strong Exciton–Photon Coupling in Lead Halide Perovskites,Adv. Mater.30, 1804894 (2018).

9.Y. Gao, L. Y. Zhao, Q. Y. Shang, Y. G. Zhong, Z. Liu, J. Chen, Z. P. Zhang, J. Shi, W. N. Du, Y. F. Zhang, S. L. Chen, P. Gao, X. F. Liu*, X. N. Wang*and Q. Zhang*, "Ultrathin CsPbX3 Nanowire Arrays with Strong Emission Anisotropy",Adv. Mater.30, 1801805(2018);

10.Q. Y. Shang, S. Zhang, Z. Liu, J. Chen, P. F. Yang, C. Li, W. Li, Y. F. Zhang, Q. H. Xiong,*X. F. Liu*and Q. Zhang*,"Surface Plasmon Enhanced Strong Exciton−Photon Coupling in Hybrid Inorganic−Organic Perovskite Nanowires",Nano Lett.18, 3335-3343 (2018);