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Wu Zhou
The STEM Group
Materials Science & Technology Division
Oak Ridge National Laboratory
P.O. Box 2008
Oak Ridge, TN 37831-6071
Phone: (865) 574-8899
E-mail: wu.zhou.stem@gmail.com
E-mail: zhouw1@ornl.gov

Education:

  • Ph.D. Materials Science and Engineering, Lehigh University, Bethlehem, PA, USA (2010)
  • B.S. Materials Science and Engineering, Tsinghua University, Beijing, China (2006)

Honors and Awards:

  • Best Paper Award, <Microscopy and Microanalysis>, Microscopy Society of America (MSA) (2013)
  • Wigner Fellowship, Oak Ridge National Laboratory, USA (2012)
  • The Albert Crewe Award, Microscopy Society of America (MSA) (2012)

Research Interests:

  • Aberration-corrected electron microscopy imaging and spectroscopy
  • Low-voltage gentle STEM for single atom analysis
  • Monochromatic EELS
  • In-situ electron microscopy at the atomic scale
  • Low-dose electron microscopy for beam-sensitive materials
  • Defect structure, dynamics and functionalities in two-dimensional (2D) materials and heterostructure
  • Structure-performance relationship in heterogeneous catalysts
  • Battery materials, plasmonic materials, and solar energy related materials

Research/Professional Appointments:

  • 12/2012 - Present: Staff Scientist, Oak Ridge National Laboratory
  • 12/2012 - 11/2014: Wigner Fellow, Oak Ridge National Laboratory
  • 09/2010 - 11/2012: Research Associate, Department of Physics and Astronomy, Vanderbilt University
    Guest Scientist, The STEM Group, Oak Ridge National Laboratory
    Supervisors: Dr. Juan-Carlos Idrobo, Dr. Stephen J. Pennycook
  • 08/2006 - 08/2010: Research Assistant, Department of Materials Science and Engineering, Lehigh University
    Advisor: Prof. Christopher J. Kiely
  • 01/2005 - 07/2006: Research Assistant, Department of Materials Science and Engineering, Tsinghua University
    Advisor: Prof. Jing Zhu

Selected Journal Publications:

  1. Lin, J.; Pantelides, S.T.; Zhou, W.* Vacancy-induced growth of inversion domains in transition-metal dichalcogenide monolayer. ACS Nano 9, 5189-5197 (2015).
  2. Gong, Y.#; Lin, J.#; Wang, X.#; Shi, G.; Lei, S.; Lin, Z.; Zou, X.; Ye, G.; Vajtai, R.; Yakobson, B.I.; Terrones, H.; Terrones, M.; Tay, B.K.; Lou, J.; Pantelides, S.T.; Liu, Z.; Zhou, W.*; Ajayan, P.M.* Vertical and in-plane heterostructures from WS2/MoS2 monolayers. Nature Materials 13, 1135-1142 (2014).
  3. Lin, J.*; Cretu, O.; Zhou, W.*et al. Flexible metallic nanowires with self-adaptive contact to semiconducting transition-metal dichalcogenide monolayers. Nature Nanotechnology 9, 436-442 (2014).
  4. Gong, Y.; Liu, Z.; Lupini, A.R.; Shi, G.; Lin, J.; Najmaei, S.; Lin, Z.; Elias, A.L.; Berkdemir, A.; You, G.; Terrones, H.; Terrones, M.; Vajtai, R.; Pantelides, S.T.; Pennycook, S.J.; Lou, J.; Zhou, W.*; Ajayan, P.M.* Band gap engineering and layer-by-layer mapping of selenium-doped molybdenum disulfide. Nano Letters 14, 442-449 (2014).
  5. Shen, X.#, *; Hernandez-Pagan, E. A.#; Zhou, W.#, *; Idrobo, J. C.; MacDonald, J.; Pennycook, S. J.; Pantelides, S. T. Interlaced crystals having a perfect Bravais lattice and complex chemical order revealed by real-space crystallography. Nature Communications  5, 5431 (2014).
  6. Gong, M.#; Zhou, W.#; Tsai, M.; Zhou, J.; Guan, M.; Lin, M.; Zhang, B.; Hu, Y.; Wang, D.; Yang, J.; Pennycook, S. J.; Hwang, B.; Dai, H.* Nanoscale nickel oxide/nickel hetero-structures for active hydrogen evolution electrocatalysis. Nature Communications 5, 4695 (2014).
  7. Lee, J.#; Zhou, W.#; Pennycook, S. J.; Idrobo, J. C.; Pantelides, S. T. Direct visualization of reversible dynamics in a Si6 cluster embedded in a graphene pore. Nature Communications, 4, 1650 (2013).
  8. Najmaei, S.#; Liu, Z.#; Zhou, W.#; Zou, X.; Shi, G.; Lei, S.; Yakobson, B. I.; Idrobo, J. C.; Ajayan, P. M.; Lou, J. Vapor phase growth and grain boundary structure of molybdenum disulfide atomic layers. Nature Materials, 12, 754-759 (2013).
  9. Zhou, W.*; Zou, X.; Najmaei, S.; Liu, Z.; Shi, Y.; Kong, J.; Lou, J.; Ajayan, P. M.; Yakobson, B. I.; Idrobo, J. C. Intrinsic structural defects in monolayer molybdenum disulfide. Nano Letters, 13, 2615-2522 (2013).
  10. Lin, J.; Fang, W.; Zhou, W.*; Lupini, A.R.; Idrobo, J.C.; Kong, J.; Pennycook, S.J.; Pantelides, S.T. AC/AB stacking boundaries in bilayer graphene. Nano Letters, 13, 3262-3268 (2013).
  11. Zhou, W.*; Lee, J.; Nanda, J.; Pantelides, S. T.; Pennycook, S. J.; Idrobo, J. C.* Atomically localized plasmon enhancement in monolayer graphene. Nature Nanotechnology, 7, 161-165 (2012).
  12. Zhou, W.*; Kapetanakis, M.; Prange, M. P.; Pantelides, S. T.; Pennycook, S. J.; Idrobo, J. C.* Direct determination of the chemical bonding of individual impurities in graphene. Physical Review Letters, 109, 206803 (2012).
  13. Zhou, W.*; Oxley, M.P.; Lupini, A.R.; Krivanek, O.L.; Pennycook, S.J.; Idrobo, J.C*. Single atom microscopy. Microscopy and Microanalysis, 18, 1342-1354 (2012).
  14. Li, Y.; Zhou, W.; Wang, H.; Xie, L.; Liang, Y; Wei, F.; Idrobo, J.C.; Pennycook, S. J.; Dai, H. An oxygen reduction electrocatalyst based on carbon nanotube-graphene complexes. Nature Nanotechnology, 7, 394-400 (2012).
  15. Lee, J.; Zhou, W.; Idrobo, J. C.; Pennycook, S. J.; Pantelides, S. T. Vacancy-driven anisotropic defect distribution in the battery-cathode material LiFePO4. Physical Review Letters, 107, 085507 (2011).
  16. Zhou, W.; Ross-Medgaarden, E. I.; Knowles, W. V.; Wong, M. S.; Wachs, I. E.; Kiely, C. J. Identification of active Zr-WOx clusters on a ZrO2 support for solid acid catalysts. Nature Chemistry, 1, 722-728 (2009).

Synergistic Activities:

  • Reviewer for proposals submitted to U.S. Department of Energy.
  • Referee for Nature Nanotechnology, Nature Communications, Nano Letters, ACS Nano, Advanced Materials, Angewandte Chemie, Physical Review Letters, Science Advances, Nanoscale.

Student Supervised:

  • Junhao Lin, Ph.D. student at Vanderbilt University (co-supervise with Prof. Sokrates T. Pantelides).

Visiting Scholar Hosted:

  • Dr. Kuibo Yin, 01/2014 - 01/2015, Assistant Professor, Southeast University, China.

 Oak Ridge National Laboratory