Faculty
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LIU Kai

Professor,PhD.   
Tel:+86-10-62799182
E-mail:liuk@tsinghua.edu.cn
Address:B815 Yi Fu Science and Technology Building, Tsinghua University, Beijing 100084, China
Websites:https://liugroup.wixsite.com/tsinghua

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Education

B.S. (Applied Physics), Xi’an Jiaotong University, 2003

Ph.D. (Physics), Tsinghua University, 2008

Research Field

Interface engineering of 2D semiconducting materials for high-efficiency intelligent devices


Awards And Honors

First Prize of Science and Technology Award, Chinese Materials Research Society (2024)

IUMRS Frontier Materials Young Scientists Award (2022)

First Prize of Science and Technology Award, Chinese Materials Research Society (2020)

China Excellent Doctoral Dissertation Award (2010)

Excellent Ph.D. Graduate, Tsinghua University (2008)

Outstanding Ten Academic Postgraduate Students, Tsinghua University (2008)

Academic Achievements

1. Peng, Ruixuan; Wu, Yonghuang; Wang, Bolun; Shi, Run; Xu, Longlong; Pan, Ting; Guo, Jing; Zhao, Bochen; Song, Cheng; Fan, Zhiyong; Wang, Chen; Zhou, Peng; Fan, Shoushan; Liu, Kai*. Programmable graded doping for reconfigurable molybdenum ditelluride devices. Nature Electronics, 6, 852 (2023).

2. Li, Chenyu; Zhang, Zhichao; Zhu, Kunlei; Liu, Mingda; Chen, Jiayuan; Zhou, Liang; Zhang, Qinghua; Wu, Yonghuang; Guo, Jing; Shi, Run; Xin, Zeqin; Sun, Yinghui; Liu, Peng; Wu, Hui; Gu, Lin; Wang, Dingsheng; Wang, Rongming; Li, Yadong; Fan, Shoushan; Li, Jia*; Liu, Kai*. Nanoconfined Impulse Synthesis of High-Entropy Nanocarbides for Highly Active and Stable Electrocatalysts. Nature Synthesis, 4, 1422 (2025).

3. Liu, Mingda; Zhang, Zhichao; Li, Chenyu; Jin, Sen; Zhu, Kunlei; Fan, Shoushan; Li, Jia*; Liu, Kai*. High-entropy alloyed single-atom Pt for methanol oxidation electrocatalysis. Nature Communications, 16, 6359 (2025).

4. Wang, Enze; Xiong, Zixin; Chen, Zekun; Xin, Zeqin; Ma, Huachun; Ren, Hongtao; Wang, Bolun; Guo, Jing Guo; Sun, Yufei; Wang, Xuewen; Li, Chenyu; Li, Xiaoyan*; Liu, Kai*. Water nanolayer facilitated solitary-wave-like blisters in MoS2 thin films. Nature Communications, 14, 4324 (2023).

5. Sun, Yufei; Wang, Yujia; Wang, Enze; Wang, Bolun; Zhao, Hengyi; Zeng, Yongpan; Zhang, Qinghua; Wu, Yonghuang; Gu, Lin; Li, Xiaoyan*; Liu, Kai*. Determining the interlayer shearing in twisted bilayer MoS2 by nanoindentation. Nature Communications, 13, 3898 (2022).

6. Li, Chenyu; Wang, Zhijie; Liu, Mingda; Wang, Enze; Wang, Bolun; Xu, Longlong; Jiang, Kaili; Fan, Shoushan; Sun, Yinghui*; Li, Jia*; Liu, Kai*. Ultrafast self-heating synthesis of robust heterogeneous nanocarbides for high current density hydrogen evolution reaction. Nature Communications, 13, 3338 (2022).

7. Zhao, Bochen; Xin, Zeqin; Wang, Yi-Chi; Wu, Chenghui; Wang, Wenxin; Shi, Run; Peng, Ruixuan; Wu, Yonghuang; Xu, Longlong; Pan, Ting; Li, Zonglin; Gu, Lin; Liu, Kai*. Bioinspired gas-receptor synergistic interaction for high-performance two-dimensional neuromorphic devices. Matter, 8, 102044 (2025).

8. Wang, Wenxin; Wu, Chenghui; Li, Zonglin; Liu, Kai*. Interface Engineering of Two-Dimensional Materials Toward High-Temperature Electronic Devices. Advanced Materials, 37, 2418439 (2025).

9. Wu, Yonghuang; Xin, Zeqin; Zhang, Zhibin; Wang, Bolun; Peng, Ruixuan; Wang, Enze; Shi, Run; Liu, Yiqun; Guo, Jing; Liu, Kaihui; Liu, Kai*. All‐transfer Electrode Interface Engineering Towards Harsh‐Environment‐Resistant MoS2 Field‐Effect Transistors. Advanced Materials, 35, 210735 (2023).

10. Wang, Xuewen; Wang, Bolun; Zhang, Qinghua; Sun, Yufei; Wang, Enze; Luo, Hao; Wu, Yonghuang; Gu, Lin; Li, Huanglong; Liu, Kai*. Grain-Boundary Engineering of Monolayer MoS2 for Energy-Efficient Lateral Synaptic Devices. Advanced Materials, 33, 2102435 (2021).


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