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Fundamental and Computational Sciences Directorate

Staff information

B. Layla Mehdi

Joint Appointment
Pacific Northwest National Laboratory
PO Box 999
Richland, WA 99352

Education and Credentials

  • Warsaw University, Analytical Chemistry, B.S.
  • Warsaw University, Analytical Chemistry, M.S
  • Miami University, Chemistry, Ph.D
  • Pacific Northwest National Laboratory, Post-doc in PCSD

Awards and Recognitions

  • 2016 JSPS Postdoctoral Fellowship Award
  • 2015 Material Research Society Postdoctoral Award
  • 2015 Microscopy & Microanalysis Post-Doctoral Research Award
  • 2014 Robert P. Apkarian Memorial Scholarship Award
  • 2011 The E. O. and B. D. Weidner Analytical Chemistry Graduate Award

PNNL Publications


  • Singh N., M. Nguyen, D. Cantu Cantu, B.L. Mehdi, N.D. Browning, J.L. Fulton, and J. Zheng, et al. 2018. "Carbon-supported Pt during aqueous phenol hydrogenation with and without applied electrical potential: X-ray absorption and theoretical studies of structure and adsorbates." Journal of Catalysis 368. PNNL-SA-136451. doi:10.1016/j.jcat.2018.09.021
  • Stevens A.J., L. Luzi, H. Yang, L. Kovarik, B.L. Mehdi, A.V. Liyu, and M. Gehm, et al. 2018. "A Sub-Sampled Approach to Extremely Low-Dose STEM." Applied Physics Letters 112, no. 4:Article No. 043104. PNNL-SA-126577. doi:10.1063/1.5016192


  • Buru C., P. Li, B.L. Mehdi, A. Dohnalkova, A.E. Platero-Prats, N.D. Browning, and K.W. Chapman, et al. 2017. "Adsorption of a Catalytically Accessible Polyoxometalate in a Mesoporous Channel-type Metal-Organic Framework." Chemistry of Materials 29, no. 12:5174-5181. PNNL-SA-131981. doi:10.1021/acs.chemmater.7b00750
  • Ikuno T., J. Zheng, A. Vjunov, M. Sanchez-Sanchez, M.A. Ortuno, D.R. Pahls, and J.L. Fulton, et al. 2017. "Methane oxidation to methanol catalyzed by Cu-oxo clusters stabilized in NU-1000 metal-organic framework." Journal of the American Chemical Society 139, no. 30:10294-10301. PNNL-SA-122186. doi:10.1021/jacs.7b02936
  • Li P., N. Vermeulen, C. Malliakas, D.A. Gomez-Gualdron, A.J. Howarth, B.L. Mehdi, and A. Dohnalkova, et al. 2017. "Bottom-up construction of a superstructure in a porous uranium-organic crystal." Science 356, no. 6338:624-627. PNNL-SA-126719. doi:10.1126/science.aam7851
  • Moeglein W., R.L. Griswold, B.L. Mehdi, N.D. Browning, and J.R. Teuton. 2017. "Applying Shot Boundary Detection for Automated Crystal Growth Analysis During In-Situ Transmission Electron Microscope Experiments." Advanced Structural and Chemical Imaging 3. PNNL-SA-120775. doi:10.1186/s40679-016-0034-x
  • Platero-Prats A.E., A. League, S. Bernales Candia, J. Ye, L.C. Gallington, A. Vjunov, and N. Schweitzer, et al. 2017. "Bridging Zirconia Nodes within a Metal-Organic Framework via Catalytic Ni-hydroxo Clusters to Form Hetero-Bimetallic Nanowires." Journal of the American Chemical Society 139, no. 30:10410-10418. PNNL-SA-127715. doi:10.1021/jacs.7b04997


  • Cheng Y., Y. Shao, V. Raju, X. Ji, B.L. Mehdi, K. Han, and M.H. Engelhard, et al. 2016. "Molecular Storage of Mg Ions with Vanadium Oxide Nanoclusters." Advanced Functional Materials 26, no. 20:3446-3453. PNNL-SA-114521. doi:10.1002/adfm.201505501
  • Mehdi B.L., A.J. Stevens, J. Qian, C. Park, W. Xu, W.A. Henderson, and J. Zhang, et al. 2016. "The Impact of Li Grain Size on Coulombic Efficiency in Li Batteries." Scientific Reports 6. PNNL-SA-120401. doi:10.1038/srep34267
  • Prabhakaran V., B.L. Mehdi, J.J. Ditto, M.H. Engelhard, B. Wang, K.D. Gunaratne, and D.C. Johnson, et al. 2016. "Rational Design of Efficient Electrode-Electrolyte Interfaces for Solid-State Energy Storage Using Ion Soft-Landing." Nature Communications 7. PNNL-SA-113159. doi:10.1038/ncomms11399


  • Lu D., J. Zheng, Q. Li, X. Xie, S.A. Ferrara, Z. Nie, and B.L. Mehdi, et al. 2015. "High Energy Density Lithium-Sulfur Batteries: Challenges of Thick Sulfur Cathodes." Advanced Energy Materials 5, no. 16:Article No. 1402290. PNNL-SA-107462. doi:10.1002/aenm.201402290
  • Mehdi B.L., J. Qian, E. Nasybulin, C. Park, D.A. Welch, R. Faller, and H.S. Mehta, et al. 2015. "Observation and Quantification of Nanoscale Processes in Lithium Batteries by Operando Electrochemical (S)TEM." Nano Letters 15, no. 3:2168-2176. PNNL-SA-107504. doi:10.1021/acs.nanolett.5b00175
  • Mehdi B.L., J. Qian, E. Nasybulin, D.A. Welch, C. Park, R. Faller, and H.S. Mehta, et al. 2015. "Quantification of Electrochemical Nanoscale Processes in Lithium Batteries By OperandoEC-(S)TEM." In ECS Conference on Electrochemical Energy Conversion & Storage with SOFC-XIV, July 26-31, 2015, Glasgow, Scotland, MA2015-03, Abstract No. 432. Pennington, New Jersey:The Electrochemical Society. PNNL-SA-111760.
  • Teuton J.R., R.L. Griswold, B.L. Mehdi, and N.D. Browning. 2015. "Compression Algorithm Analysis of In-Situ (S)TEM Video: Towards Automatic Event Detection and Characterization." Microscopy and Microanalysis 21, no. S3:2329-2330. PNNL-SA-115385.
  • Welch D.A., B.L. Mehdi, H.J. Hatchell, R. Faller, J.E. Evans, and N.D. Browning. 2015. "Using Molecular Dynamics to quantify the electrical double layer and examine the potential for its direct observation in the in-situ TEM." Advanced Structural and Chemical Imaging 1, no. 1:Article No. 1. PNNL-SA-106479. doi:10.1186/s40679-014-0002-2


  • Abellan Baeza P., B.L. Mehdi, L.R. Parent, M. Gu, C. Park, W. Xu, and Y. Zhang, et al. 2014. "Probing the Degradation Mechanisms in Electrolyte Solutions for Li-ion Batteries by In-Situ Transmission Electron Microscopy." Nano Letters 14, no. 3:1293-1299. PNNL-SA-99732. doi:10.1021/nl404271k
  • Adams B.D., R. Black, C. Radtke, Z. Williams, B.L. Mehdi, N.D. Browning, and L.F. Nazar. 2014. "The Importance of Nanometric Passivating Films on Cathodes forLi - Air Batteries." ACS Nano 8, no. 12:124831-12493. PNNL-SA-108401. doi:10.1021/nn505337p
  • Mehdi B.L., M. Gu, L.R. Parent, W. Xu, E.N. Nasybulin, X. Chen, and R.R. Unocic, et al. 2014. "In Situ Electrochemical Transmission Electron Microscopy for Battery Research." Microscopy and Microanalysis 20, no. 2:484-492. PNNL-SA-101383. doi:10.1017/S1431927614000488
  • Nasybulin E.N., W. Xu, B.L. Mehdi, E.C. Thomsen, M.H. Engelhard, R.C. Masse, and P. Bhattacharya, et al. 2014. "Formation of Interfacial Layer and Long-Term Cylability of Li-O-2 Batteries." ACS Applied Materials & Interfaces 6, no. 16:14141-14151. PNNL-SA-99830. doi:10.1021/am503390q


  • Gu M., L.R. Parent, B.L. Mehdi, R.R. Unocic, M.T. Mcdowell, R.L. Sacci, and W. Xu, et al. 2013. "Demonstration of an Electrochemical Liquid Cell for Operando Transmission Electron Microscopy Observation of the Lithiation/Delithiation Behavior of Si Nanowire Battery Anodes." Nano Letters 13, no. 12:6106-6112. PNNL-SA-99250. doi:10.1021/nl403402q

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