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Academic Staff

C0110_2050x500
Dr Wen X. Sitman
PolyU Scholars Hub

Dr Xiewen Wen (Sitman) 溫燮文

Assistant Professor; Presidential Young Scholar; Associate Director of University Research Facility in 3D Printing

 

Brief Biosketch

Prior to joining Poly U ISE, Dr. Wen was an Assistant Professor in the Department of Mechanical Engineering at City University of Hong Kong and a postdoctoral fellow at the Argonne National Laboratory in the United States. Dr. Wen was born and raised in Canton and received his bachelor's and master's degrees in physics (optics) from Sun Yat-Sen University before moving to the United States to earn his Ph.D. in Materials Science from Rice University, a top-20 institution in the United States.

We design and make one-of-a-kind equipment and materials to create useful manufacturing technologies with ultimate intelligence and precision for applications in optics, electronics, and biomedicine, etc.

In addition to publishing prestigious journals, we also pursue industrial success.

We are actively seeking highly-motivated Ph.D. candidates and Postdocs, particularly in the fields of physics, optics, optical engineering, 3D printing, mechanical engineering, robotics and controls, polymer, and ceramics.

 

Research Interests

  • Intelligent Additive Manufacturing
  • Nanomanufacturing
  • Ultrafast laser manufacturing
  • Advanced optical metrology, imaging, and spectroscopy
  • Equipment and materials for semiconductor processes

 

 

Selected Publications

  1. Li, Z., Jia, Y., Duan, K., Xiao, R., Qiao, J., Liang, S., ... & Wen, X*.One-photon three-dimensional printed fused silica glass with sub-micron features. Nature Communications, 2024, 15(1), 2689.

  2. Liang, J. #, Ai, Q. #, Wen, X. #, Tang, X., Zhai, T., Xu, R., ... & Lou, J.* Strong interlayer coupling and long-lived interlayer excitons in two-dimensional perovskite derivatives and transition metal dichalcogenides van der Waals heterostructures. Materials Today 2024, 74, 77-84

  3. Wen, X.; Zhang, B.; Wang, W.; Ye, F.; Yue, S.; Guo, H.; Gao, G.; Zhao, Y.; Fang, Q.; Nguyen, C.; Zhang, X.; Bao, J.; Robinson, J. T. *; Ajayan, P. M. *; Lou, J. *, 3D-printed silica with nanoscale resolution. Nature Materials, 2021, 1-6. (RSI highly cited)
    Highlights: Invented the world’s finest silica glass 3D printing with feature sizes smaller than 180 nm. Featured by Nat. Mat.https://www.nature.com/articles/s41563-021-01137-

  4. Wen, X., Wang, W., Zhang, X., Chen, H., Jia, S., Gong, Y., Chen, W., Wang, Y., Zhu, H., Zheng, J. and Ajayan, P.M. *, Lou J. *, Pathways of Exciton Triggered Hot‐Carrier Injection at Plasmonic Metal− Transition Metal Dichalcogenide Interface. Advanced Optical Materials, 2022, 10(5), p.2100070.

  5. Wen, X.; Adhikari, S.; Cortes, C. L.; Gosztola, D. J.; Gray, S. K.; Wiederrecht, G. P. *, Ghost imaging second harmonic generation microscopy. Applied Physics Letters 2020, 116 (19), 191101.

  6. Wen, X.; Chen, H.; Yu, Z.; Yang, Q.; Deng, J.; Liu, Z.; Guo, X.; Guan, J.; Zhang, X., Ultrafast probes of electron–hole transitions between two atomic layers. Nature communications 2018, 9 (1), 1-9.

  7. Chen, H. #, Wen, X. #, Zhang, J.; Wu, T.; Gong, Y.; Zhang, X.; Yuan, J.; Yi, C.; Lou, J. *; Ajayan, P. M.*, Ultrafast formation of interlayer hot excitons in atomically thin MoS2/WS2 heterostructures. Nature communications 2016, 7 (1), 1-8. (RSI highly cited)

 

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