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Molleigh B. Preefer, Graduate Student

Department of Chemistry and Biochemistry
University of California, Santa Barbara

Research interests

Synthesizing new materials for lithium batteries, building batteries, and battery analysis, particularly using methods such as Raman spectroscopy, ssNMR, and XPS.


B.A. Chemistry, Columbia University, 2014. Research advisor: Prof. Colin Nuckolls


  1. M. B. Preefer, M. Saber, Q. Wei, N. H. Bashian, W. Zhang, G. Lee, J. Milam-Guerrero, E. S. Howard, R. C. Vincent, B. C. Melot, A. Van der Ven, R. Seshadri, and B. Dunn, Multielectron redox and insulator-to-metal transition upon lithium insertion in the fast-charging, Wadsley-Roth phase PNb9O25.
  2. N. H. Bashian, M. B. Preefer, J. Milam-Guerrero, J. Zak, C. Sendi, S. Ahsan, R. Vincent, R. Haiges, K. A. See, R. Seshadri, and B. C. Melot, Understanding the role of crystallographic shear planes on the electrochemical behavior of niobium oxyfluorides.
  3. M. B. Preefer, J. Grebenkemper, F. Schroeder, J. Bocarsly, K. Pilar, J. Cooley, W. Zhang, J. Hu, S. Misra, F. Seeler, K. Schierle-Arndt, and R. Seshadri, Rapid and tunable assisted-microwave preparation of glass and glass-ceramic thiophosphate "Li7P3S11" Li-ion conductors, ACS Appl. Mater. Interfaces (2019) 11 42280—42287. DOI: 10.1021/acsami.9b15688
  4. K. J. Griffith, I. D. Seymour, M. A. Hope, M. M. Butala, L. K. Lamontagne, M. B. Preefer, C. P. Koçer, G. Henkelman, A. J. Morris, M. J Cliffe, S. E. Dutton, and C. P. Grey, Ionic and electronic conduction in TiNb2O7, J. Am. Chem. Soc. (2019) 141 16706—16725. DOI: 10.1021/jacs.9b06669
  5. K. Pilar, Z. Deng, M. B. Preefer, J. A. Cooley, R. Clément, R. Seshadri, and A. K. Cheetham, Ab initio computation for solid-state 31P NMR of inorganic phosphates: Revisiting X-ray structures, Phys. Chem. Chem. Phys. 21 (2019) 10070—10074. DOI: 10.1039/c9cp01420a
  6. A. J. Martinolich, C.-W. Lee, I-Te Lu, S. C. Bevilacqua, M. B. Preefer, M. Bernardi, A. Schleife, and K. A. See, Solid state divalent ion conductivity in ZnPS3 Chem. Mater. 31 (2019) 3652—3361. DOI: 10.1021/acs.chemmater.9b00207
  7. H. A. Evans, J. L. Andrews, D. H. Fabini, M. B. Preefer, G. Wu, A. K. Cheetham, F. Wudl, and R. Seshadri, The capricious nature of iodine catenation in I2 excess, perovskite-derived hybrid Pt(IV) compounds,Chem. Comm. 55 (2019) 588—591. DOI: 10.1039/c8cc07536k
  8. H. A. Evans, D. H. Fabini, J. L. Andrews, M. Koerner, M. B. Preefer, G. Wu, F. Wudl, A. K. Cheetham, and R. Seshadri, Hydrogen bonding controls structural evolution in perovskite-related hybrid platinum (IV) iodides, Inorg. Chem. 57 (2018) 10375—10382. DOI: 10.1021/acs.inorgchem.8b01597
  9. M. B. Preefer, B. Oschmann, C. J. Hawker, R. Seshadri, and F. Wudl, High sulfur content material with stable cycling in Li–S batteries, Angew. Chemie. 56 (2017) 15118—15122. DOI: 10.1002/anie.201708746
  10. M. Butala, M. Perez, C. Göbel, M. B. Preefer, S. Arnon, and R. Seshadri, Rapid microwave-assisted preparation of binary and ternary transition metal sulfide compounds, Solid State Sci. 74 (2017) 8—12. DOI: 10.1016/j.solidstatesciences.2017.09.010
  11. Q. Chen, M. T. Trinh, D. W. Paley, M. B. Preefer, H. Zhu, B.S. Fowler, X.-Y. Zhu, M. L. Steigerwald, and C. Nuckolls, Strain-induced stereoselective formation of blue-emitting cyclostilbenes, J. Am. Chem. Soc. 137 (2015) 12282—12288. DOI: 10.1021/jacs.5b06258

About me


I'm also a yoga teacher!


Ram Seshadri: website


Molleigh B. Preefer, Graduate Student
Materials Research Laboratory
University of California, Santa Barbara CA 93106-5121
email: mpreefer@mrl.ucsb.edu