03/2024-present, Tsinghua University, Department of Mechanical Engineering, Assistant Professor

03/2022-03/2024, Tsinghua University, Department of Mechanical Engineering, Postdoctoral Research Associate

Research interest: liquid superlubricity, hydration lubrication, intermolecular and surface forces.

Selected publications:

1. Ruiqi Zhao, Tianyi Han*, Chenhui Zhang*, Qingyuan Yu. Disparate External Electric Field Effect on the Adsorption and Shear Behavior of Monovalent and Trivalent Ions in Electrolyte Solution. Nano Letters. 2024.

2. Tianyi Han^†, Wei Cao^†, Zhi Xu, Vahid Adibnia, Matteo Olgiati, Markus Valtiner, Liran Ma, Chenhui Zhang*, Ming Ma*, Jianbin Luo, Xavier Banquy*. Hydration layer structure modulates superlubrication by trivalent La³⁺ electrolytes. Science Advances, 2023.

3. Tianyi Han, Mingbo Zhao, Chuan Sun, Ruiqi Zhao, Wanxing Xu, Shumin Zhang, Sudesh Singh, Jianbin Luo, Chenhui Zhang*. Macroscale Superlubricity of Hydrated Anions in the Boundary Lubrication Regime. ACS Applied Materials & Interfaces, 2023.

4. Tianyi Han, Shuowen Zhang, Chenhui Zhang*. Unlocking the secrets behind liquid superlubricity: A state-of-the-art review on phenomena and mechanisms. Friction, 2022. (Front Cover, ESI Highly Cited Paper)

5. Tianyi Han, Shuang Yi, Chenhui Zhang*, Jinjin Li, Xinchun Chen, Jianbin Luo, Xavier Banquy, Superlubrication obtained with mixtures of hydrated ions and polyethylene glycol solutions in the mixed and hydrodynamic lubrication regimes. Journal of Colloid and Interface Science, 2020.

6. Tianyi Han, Chenhui Zhang*, Jinjin Li, Shihua Yuan, Xinchun Chen, Jiyang Zhang*, Jianbin Luo. Origins of superlubricity promoted by hydrated multivalent ions. The Journal of Physical Chemistry Letters, 2019.

7. Tianyi Han, Chenhui Zhang*, Jianbin Luo. Macroscale Superlubricity Enabled by Hydrated Alkali Metal Ions. Langmuir, 2018.

1. 2021, Beijing Outstanding Graduate

2. 2020, National Scholarship for Doctoral Students

3. 2019, Tsinghua University Excellent Student Cadre