Jianhao Qian

Jianhao Qian's picture

Ph.D. Candidate, Mechanics, The University of Science and Technology of China

B.S. Mechanics, Dalian University of Technology, 2019

Email: 
jianhao.qian@yale.edu

Jianhao Qian is a visiting student in the Department of Chemical & Environmental Engineering at Yale University, advised by Prof. Menachem Elimelech. He began his visit in November 2023, focusing his research on the diffusion mechanisms of gases in membranes. He is a Ph.D. student from the University of Science and Technology of China (USTC), where his advisors are Professors Heng’an Wu and Fengchao Wang.

Originally from Qianshan, a beautiful small city in Anhui, China, Jianhao completed his undergraduate studies in mechanics at Dalian University of Technology in 2019. He continued his academic journey at USTC for his doctoral studies, focusing on the mass transport through nanochannels. He is good at molecular dynamics simulation, and he has published several articles. His research primarily explores the diffusion of gases in nanochannels, including the effects of wall morphology and gas molecular geometry on gas-solid interactions and gas flow rates. Jianhao has also refined the Knudsen theory—a core theory describing free molecular flow which is applicable only when gas undergoes diffuse reflection on surfaces. His modified model is capable of describing the free molecular flow in any rough channel. In collaboration with Professor Huanting Wang from Monash University, he has investigated the mechanism of selective hydrogen transport in pyro-layered heterostructured nanosheet membrane. Besides, he is skilled in fabricating nano-devices, which are instrumental in studying ion diffusion under confinement.

Outside his lab work, Jianhao is passionate about photography and has previously served as the president of the Photography Club at USTC.

Publications

pdfs and supporting information for group publications available on the main publications page.

  1. Qian, J.; Wu, H.; Wang, F. A generalized Knudsen theory for gas transport with specular and diffuse reflections. Nat. Commun. 2023, accepted

  2. Wang, R.; Qian, J. (Co-First Author); Chen, X.; Low, Z.-X.; Chen, Y.; Ma, H.; Wu, H.-A.; Doherty, C. M.; Acharya, D.; Xie, Z.; Hill, M. R.; Shen, W.; Wang, F.; Wang, H. Pyro-Layered Heterostructured Nanosheet Membrane for Hydrogen Separation. Nat. Commun. 2023, 14 (1), 2161. https://doi.org/10.1038/s41467-023-37932-9.

  3. Qian, J.; Wu, H.; Wang, F. Molecular Geometry Effect on Gas Transport through Nanochannels: Beyond Knudsen Theory. Appl. Surf. Sci. 2023, 611, 155613. https://doi.org/10.1016/j.apsusc.2022.155613.

  4. Wang, F.; Qian, J.; Fan, J.; Li, J.; Xu, H.; Wu, H. Molecular Transport under Extreme Confinement. Sci. China Phys. Mech. Astron. 2022, 65 (6), 264601. https://doi.org/10.1007/s11433-021-1853-3.

  5. Qian, J.; Li, Y.; Wu, H.; Wang, F. Surface Morphological Effects on Gas Transport through Nanochannels with Atomically Smooth Walls. Carbon 2021, 180, 85–91. https://doi.org/10.1016/j.carbon.2021.04.087.

  6. Li, Y.; Yu, Y.; Qian, J.; Wu, H.; Wang, F. Anomalous Ion Transport through Angstrom-Scale Pores: Effect of Hydration Shell Exchange on Ion Mobility. Appl. Surf. Sci. 2021, 560, 150022. https://doi.org/10.1016/j.apsusc.2021.150022.