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Fangze Liu

Fangze Liu

Phone (505) 667-7944


  • Chemical Science
  • Nanostructured quantum confined materials
  • Materials
  • Physical vapor deposition
  • Microfabrication
  • Nanotechnology
  • Electron microscopy
  • Scanned probe microscopies
  • Materials synthesis (single crystals)
  • Transport characterization of materials,
  • Photoemission spectroscopies
  • Nanoscale (in time and space) spectroscopies
  • Condensed matter
  • Photovoltaics
  • CINT
  • Synthesis
  • Fabrication
  • Manipulate/Assemble
  • Structure Measurements
  • Property Measurements
  • Function/Response Measurements
  • Characterization


2D materials, semiconductor, device physics, photovoltacs, photodetectors, photocathodes

Material synthesis: CVD, ALD, E-beam/thermal depositions

Characterizations: SEM, AFM, SPM, EDS, XPS, XRD, Raman/PL/UV-Vis spectroscopies


Ph.D. in Physics, Northeastern University, Boston, MA, 2015

B.S. in Physics, Fudan University, Shanghai, China, 2009


LANL Positions

Postdoc Research Associate, MPA-11, Los Alamos National Laboratory, 2015.11 - present



Selected publications

17. A. Vargas,† F. Liu,† et al, Tunable and Laser-Reconfigurable 2D Heterocrystals Obtained by Epitaxial Stacking of Bi2Se3 and MoS2 Atomic Layers, Science Advances, 2017, 3, e1601741. ( †Equal contribution)

16. H. Yamaguchi, F. Liu, et al, Active bialkali photocathodes on free-standing graphene substrates, npg 2D Materials and Applications, 2017, 1, 12.

15. F. Liu, † N. Moody, † et al, Single layer graphene protective gas barrier for copper photocathodes, Appl. Phys. Lett., 2017, 110, 041607. (†Equal contribution)

14. J. Hao, B. Li, H. Y. Jung, F. Liu, S. Hong, Y. J. Jung, S. Kar, Vapor‐Phase‐Gating‐Induced Ultrasensitive Ion Detection in Graphene and Single‐Walled Carbon Nanotube Networks, Adv. Mater., 2017, 29, 1606883.

13.M. Berg, K. Keyshar, I. Bilgin, F. Liu, H. Yamaguchi, R. Vajtai, C. Chan, G. Gupta, S. Kar, P. Ajayan, T. Ohta, A. D Mohite, Layer dependence of the electronic band alignment of few-layer MoS2 on SiO2 measured using photoemission electron microscopy, Phys. Rev. B, 201795, 235406.

12. V. Pavlenko, F. Liu, et al, Kinetics of Alkali‐Based Photocathode Degradation, AIP Adv., 2016, 6, 115008.

11. I. Bilgin, F. Liu, et al, Chemical Vapor Deposition Synthesized Atomically-Thin Molybdenum Disulfide with Optoelectronic-Grade Crystalline Quality, ACS Nano, 2015, 9, 8822-8832.

10. B. Ozturk, A. de-Luna-Bugallo, E. Panaitescu, A. N. Chiaramonti, F. Liu, et al. Atomically Thin Layers of B-N-C-O with Tunable Composition, Science Advances, 2015, 1, e1500094.

9. A. Vargas, F. Liu, S. Kar, Giant Enhancement of Light Emission from Nanoscale Bi2Se3, Appl. Phys. Lett, 2015, 106, 243107.

8. Z. Qian, Y Hui, F. Liu, S. Kang, S. Kar, M. Rinaldi, Graphene-aluminum nitride NEMS resonant infrared detector  Microsystems & Nanoengineering, 2016, 2, 16026.

7. Z. Qian, F. Liu, Y. Hui, S. Kar, M. Rinaldi, Graphene as a Massless Electrode for Ultrahigh-frequency Piezoelectric Nanoelectromechanical Systems, Nano Lett., 2015, 15, 4599–4604.

6. F. Liu, and S. Kar, Quantum Carrier Reinvestment-Induced Ultrahigh and Broadband Photocurrent Responses in Graphene-Silicon Junctions, ACS Nano, 2014, 8, 10270-10279.

5. Y. L. Kim, H. Y. Jung, S. Park, B. Li, F. Liu, J. Hao, Y. K. Kwon, Y. J. Jung, S. Kar, Voltage-Switchable Photocurrents in Single-Wall Carbon Nanotube-Silicon junctions, Nature Photon., 2014, 8, 239-243.

4. A. Vargas, S. Basak, F. Liu, B. Wang, E. Panaitescu, H. Lin, R Markiewicz, A. Bansil, S. Kar, The Changing Colors of a Quantum-Confined Topological Insulator, ACS nano, 2014, 8, 1222-1230

3. X. An, F. Liu, Y. J. Jung, S. Kar, Tunable Graphene-Silicon Heterojunctions for Ultrasensitive Photodetection, Nano Lett., 2013, 13, 909-916.

2. X. An, F. Liu, S. Kar, Optimizing Performance Parameters of Graphene-Silicon and Thin Transparent Graphite/Silicon Heterojunction Solar Cells, Carbon, 2013, 57, 329-337.

1. X. An, F. Liu, Y. J. Jung, S. Kar, Large-Area Synthesis of Graphene on Palladium and Their Raman Spectroscopy, J. Phys. Chem. C, 2012, 116, 16412-16420.