Dr. Wenshuo Xu

Senior Research Scientist

Email: wenshuo.xu@oxford-oscar.cn

Oxford Suzhou Centre for Advanced Research

Building A, 388 Ruoshui Road, Suzhou Industrial Park, Suzhou 215123, Jiangsu Province, P. R. China

Department of Materials, University of Oxford

Parks Road, Oxford OX1 3PH, United Kingdom

Research Interests

1. Synthesis and functionalisation of novel 2D crystals for efficient electrocatalysis in the hydrogen evolution reaction (HER)

2. Processing of 2D heterostructures with unique optical properties for next-generation devices

Publications

First Author

1. W. Xu, D. Kozawa, Y. Liu, Y. Sheng, K. Wei, V. B. Koman, S. Wang, X. Wang, T. Jiang, M. S. Strano, J. H. Warner. Determining the Optimized Interlayer Separation Distance in Vertical Stacked 2D WS2:hBN:MoS2 Heterostructures for Exciton Energy Transfer, Small, 2018

2. W. Xu, S. Li, S. Zhou, J. K. Lee, S. Wang, S. G. Sarwat, X. Wang, H. Bhaskaran, M. Pasta, J. H. Warner. Large Dendritic Monolayer MoS2 Grown by Atmospheric Pressure Chemical Vapor Deposition for Electrocatalysis, ACS Applied Materials & Interfaces, 2018

3. W. Xu, S. Li, M. Pasta, J. H. Warner. Defect Engineered Single-Layer MoS2 Dendrites as an Efficient Electrocatalyst for Hydrogen Evolution Reaction, TechConnect Briefs, 2019, https://briefs.techconnect.org/papers/defect-engineered-single-layer-mos2-dendrites-as-an-efficient-electrocatalyst-for-hydrogen-evolution-reaction/, conference paper

4. P. Chen*, W. Xu*, Y. Gao, J. H. Warner, M. R. Castell. Epitaxial Growth of Monolayer MoS2 on SrTiO3 Single Crystal Substrates for Applications in Nanoelectronics, ACS Applied Nano Materials, 2018, co-first author

5. P. Chen*, W. Xu*, Y. Gao, P. Holdway, J. H. Warner, M. R. Castell. Thermal Degradation of Monolayer MoS2 on SrTiO3 Supports, The Journal of Physical Chemistry C, 2019, co-first author

6. W. Xu, D. Kozawa, Y. Zhou, Y. Wang, Y. Sheng, T. Jiang, Michael S. Strano, J. H. Warner. Controlling Photoluminescence Enhancement and Energy Transfer in WS2:hBN:WS2 Vertical Stacks by Precise Interlayer Distances, Small, 2019, under review

7. W. Xu, G. H. Ryu, S. Li, P. Tang, M. Pasta, J. H. Warner. In Situ Platinum Doping in Monolayer MoS2 Dendrites by Atmospheric Pressure Chemical Vapor Deposition for Efficient Electrocatalysis, 2019, under review

Others

8. Y. Zhou, W. Xu, Y. Sheng, H. Huang, Q. Zhang, L. Hou, V. Shautsova, J. H. Warner. Symmetry-Controlled Reversible Photovoltaic Current Flow in Ultrathin All 2D Vertically Stacked Graphene/MoS2/WS2/Graphene Devices, ACS Applied Materials & Interface, 2019

9. H. Huang, W. Xu, T. Chen, R.-J. Chang, Y. Sheng, Q. Zhang, L. Hou, J. H. Warner. High-Performance Two-Dimensional Schottky Diodes Utilizing Chemical Vapour Deposition-Grown Graphene–MoS2 Heterojunctions, ACS Applied Materials & Interface, 2018

10. H. Tan, W. Xu, Y. Sheng, C. S. Lau, Y. Fan, Q. Chen, M. Tweedie, X. Wang, Y. Zhou, J. H. Warner. Lateral Graphene-Contacted Vertically Stacked WS2/MoS2 Hybrid Photodetectors with Large Gain, Advanced Materials, 2017

11. Z. He, W. Xu, Y. Zhou, X. Wang, Y. Sheng, Y. Rong, S. Guo, J. Zhang, J. M. Smith, J. H. Warner. Biexciton Formation in Bilayer WS2, ACS Nano, 2016

12. Y. Sheng, W. Xu, X. Wang, Z. He, Y. Rong, J. H. Warner. Mixed Multilayer Vertical Heterostructures Utilizing Strained Monolayer WS2, Nanoscale, 2016

13. Z. He, X. Wang, W. Xu, Y. Zhou, Y. Sheng, Y. Rong, J. M. Smith, J. H. Warner. Revealing Defect-State Photoluminescence in Monolayer WS2 by Cryogenic Laser Processing, ACS Nano, 2016

14. Q. Chen, H. Li, W. Xu, S. Wang, H. Sawada, C. S. Allen, A. I. Kirkland, J. C. Grossman, J. H. Warner. Atomically Flat Zigzag Edges in Monolayer MoS2 by Thermal Annealing, Nano Letters, 2017

15. G. G. D. Han*, B. D. Smith*, W. Xu, J. H. Warner, J. C. Grossman. Nanoporous Silicon-Assisted Patterning of Monolayer MoS2 with Thermally Controlled Porosity, ACS Applied Nano Materials, 2018

16. Q. Chen*, H. Li*, S. Zhou, W. Xu, J. Chen, H. Sawada, C. S. Allen, A. I. Kirkland, J. C. Grossman, J. H. Warner. Ultralong 1D Vacancy Channels for Rapid Atomic Migration During 2D Void Formation in Monolayer MoS2, ACS Nano, 2018

17. G. G. D. Han, K.-H. Tu, F. Niroui, W. Xu, S. Zhou, X. Wang, V. Bulović, C. A. Ross, J. H. Warner, J. C. Grossman. Photoluminescent Arrays of Nanopatterned Monolayer MoS2, Advanced Functional Materials, 2017

18. M. E. P. Tweedie, Y. Sheng, S. G. Sarwat, W. Xu, H. Bhaskaran, J. H. Warner. Inhomogeneous Strain Release during Bending of WS2 on Flexible Substrates, ACS Applied Materials & Interfaces, 2018

19. S. Zhou, S. Wang, H. Li, W. Xu, C. Gong, J. C. Grossman, J. H. Warner. Atomic Structure and Dynamics of Defects in 2D MoS2 Bilayers, ACS Omega, 2017

20. Y. Zhou, H. Tan, Y. Sheng, Y. Fan, W. Xu, J. H. Warner. Utilizing Interlayer Excitons in Bilayer WS2 for Increased Photovoltaic Response in Ultrathin Graphene Vertical Cross-Bar Photodetecting Tunneling Transistors, ACS Nano, 2018

21. S. Wang, H. Li, J. Zhang, S. Guo, W. Xu, J. C. Grossman, J. H. Warner. Epitaxial Templating of Two-Dimensional Metal Chloride Nanocrystals on Monolayer Molybdenum Disulfide, ACS Nano, 2017

22. H. Tan, Y. Fan, Y. Zhou, Q. Chen, W. Xu, J. H. Warner. Ultrathin 2D Photodetectors Utilizing Chemical Vapor Deposition Grown WS2 With Graphene Electrodes, ACS Nano, 2016

23. Y. Sheng, X. Wang, K. Fujisawa, S. Ying, A. L. Elias, Z. Lin, W. Xu, Y. Zhou, A. M. Korsunsky, H. Bhaskaran, M. Terrones, J. H. Warner. Photoluminescence Segmentation within Individual Hexagonal Monolayer Tungsten Disulfide Domains Grown by Chemical Vapor Deposition, ACS Applied Materials & Interface, 2017

24. N. T. Goodfriend, S. Y. Heng, O. A. Nerushev, A. V. Gromov, A. V. Bulgakov, M. Okada, W. Xu, R. Kitaura, J. Warner, H. Shinohara, E. E. B. Campbell. Blister-Based-Laser-Induced-Forward-Transfer: A Non-Contact, Dry Laser-Based Transfer Method for Nanomaterials, Nanotechnology, 2018

25. C. Su*, Z. Yin*, Q-B. Yan*, Z. Wang, H. Lin, J. H. Warner, M. Dinca, L. Sun, W. Xu, X. Ji, T. Yamada, N. Zettsu, K. Teshima, J. Hu, M. Dong, G. Su, J. Kong, J. Li, Waterproof Molecular Monolayers Stabilize 2D Materials, Proceedings of the National Academy of Sciences, 2019, just accepted

26. H. Xu*, J. Zhu*, G. Zou, W. Liu, X. Li, G. H. Ryu, W. Xu, X. Han, Z. Guo, J. H. Warner, J. Wu, H. Liu. Self-Powered Phototransistors Based on Spatially Composition-Graded Two-Dimensional MoS2(1−x)Se2x Homojunctions, Advanced Materials, 2019, under review

27. D. Kozawa*, A. G. Rajan*, V. B. Koman, Y. Zeng, S. K. Iyemperumal, K. Silmore, D. Parviz, P. Liu, A. T. Liu, S. Faucher, Z. Yuan, W. Xu, J. H. Warner, D. Blankschtein, M. S. Strano. Observation and Spectral Assignment of Family of Hexagonal Boron Nitride Lattice Defects, Nature Materials, 2019, under review